add DynOptionDescription

ChangeLog

@@ -1,3 +1,9 @@
+Thu Jun 19 23:20:29 2014 +0200 Emmanuel Garette <egarette@cadoles.com>
+
+	* add DynOptionDescription:
+	DynOptionDescription are OptionDescription that generate auto
+	OptionDescription with a callback function
+
 Sun Apr 27 10:32:40 2014 +0200 Emmanuel Garette <egarette@cadoles.com>
 
 	* behavior change in ChoiceOption:

test/test_choice_option.py

@@ -0,0 +1,87 @@
+# coding: utf-8
+import autopath
+
+from tiramisu.setting import owners
+from tiramisu.option import ChoiceOption, StrOption, OptionDescription
+from tiramisu.config import Config
+
+from py.test import raises
+
+
+def return_val(val):
+    return val
+
+
+def return_list():
+    return ['val1', 'val2']
+
+
+def return_calc_list(val):
+    return [val]
+
+
+def test_choiceoption_function():
+    ch = ChoiceOption('ch', '', values=return_list)
+    od = OptionDescription('od', '', [ch])
+    cfg = Config(od)
+    cfg.read_write()
+    owner = cfg.cfgimpl_get_settings().getowner()
+    assert cfg.getowner(ch) == owners.default
+    cfg.ch = 'val1'
+    assert cfg.getowner(ch) == owner
+    del(cfg.ch)
+    assert cfg.getowner(ch) == owners.default
+    raises(ValueError, "cfg.ch='no'")
+    assert cfg.getowner(ch) == owners.default
+
+
+def test_choiceoption_calc_function():
+    ch = ChoiceOption('ch', "", values=return_calc_list, values_params={'': ('val1',)})
+    od = OptionDescription('od', '', [ch])
+    cfg = Config(od)
+    cfg.read_write()
+    owner = cfg.cfgimpl_get_settings().getowner()
+    assert cfg.getowner(ch) == owners.default
+    cfg.ch = 'val1'
+    assert cfg.getowner(ch) == owner
+    del(cfg.ch)
+    assert cfg.getowner(ch) == owners.default
+    raises(ValueError, "cfg.ch='no'")
+    assert cfg.getowner(ch) == owners.default
+
+
+def test_choiceoption_calc_opt_function():
+    st = StrOption('st', '', 'val1')
+    ch = ChoiceOption('ch', "", values=return_calc_list, values_params={'': ((st, False),)})
+    od = OptionDescription('od', '', [st, ch])
+    cfg = Config(od)
+    cfg.read_write()
+    owner = cfg.cfgimpl_get_settings().getowner()
+    assert cfg.getowner(ch) == owners.default
+    cfg.ch = 'val1'
+    assert cfg.getowner(ch) == owner
+    del(cfg.ch)
+    assert cfg.getowner(ch) == owners.default
+    raises(ValueError, "cfg.ch='no'")
+    assert cfg.getowner(ch) == owners.default
+
+
+def test_choiceoption_calc_opt_multi_function():
+    st = StrOption('st', '', ['val1'], multi=True)
+    ch = ChoiceOption('ch', "", default_multi='val2', values=return_val, values_params={'': ((st, False),)}, multi=True)
+    ch2 = ChoiceOption('ch2', "", default=['val2'], values=return_val, values_params={'': ((st, False),)}, multi=True)
+    od = OptionDescription('od', '', [st, ch, ch2])
+    cfg = Config(od)
+    cfg.read_write()
+    assert cfg.ch == []
+    owner = cfg.cfgimpl_get_settings().getowner()
+    assert cfg.getowner(ch) == owners.default
+    raises(ValueError, "cfg.ch.append()")
+    cfg.ch = ['val1']
+    assert cfg.getowner(ch) == owner
+    del(cfg.ch)
+    assert cfg.getowner(ch) == owners.default
+    raises(ValueError, "cfg.ch='no'")
+    assert cfg.getowner(ch) == owners.default
+    #
+    raises(ValueError, "cfg.ch2")

test/test_dyn_optiondescription.py

@@ -0,0 +1,1317 @@
+# coding: utf-8
+import autopath
+
+from tiramisu.setting import groups, owners
+from tiramisu.option import BoolOption, StrOption, ChoiceOption, IPOption, \
+    NetworkOption, NetmaskOption, IntOption, FloatOption, \
+    UnicodeOption, PortOption, BroadcastOption, DomainnameOption, \
+    EmailOption, URLOption, UsernameOption, FilenameOption, SymLinkOption, \
+    OptionDescription, DynOptionDescription, DynSymLinkOption, submulti
+from tiramisu.config import Config
+from tiramisu.error import PropertiesOptionError, ConfigError, ConflictError
+from tiramisu.storage import delete_session
+from test.test_state import _diff_opts, _diff_conf
+
+from py.test import raises
+from pickle import dumps, loads
+
+
+def return_true(value, param=None):
+    if value == 'val' and param in [None, 'yes']:
+        return
+    raise ValueError('no value')
+
+
+def return_dynval(suffix, value='val'):
+    return value
+
+
+def return_list2(suffix):
+    return [suffix, 'val2']
+
+
+def return_list(val=None):
+    if val:
+        return val
+    else:
+        return ['val1', 'val2']
+
+
+def test_build_dyndescription():
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    cfg = Config(od)
+    assert str(cfg) == """[dodval1]
+[dodval2]"""
+    assert str(cfg.dodval1) == "stval1 = None"
+    assert str(cfg.dodval2) == "stval2 = None"
+
+
+def test_subpath_dyndescription():
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    assert str(cfg) == "[od]"
+    assert str(cfg.od) == """[dodval1]
+[dodval2]"""
+    assert str(cfg.od.dodval1) == "stval1 = None"
+    assert str(cfg.od.dodval2) == "stval2 = None"
+
+
+def test_list_dyndescription():
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+
+
+def test_unknown_dyndescription():
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    raises(AttributeError, "cfg.od.dodval3")
+    raises(AttributeError, "cfg.od.dodval1.novalue")
+
+
+def test_getdoc_dyndescription():
+    st = StrOption('st', 'doc1')
+    dod = DynOptionDescription('dod', 'doc2', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    dodval1 = cfg.unwrap_from_path('od.dodval1')
+    dodval2 = cfg.unwrap_from_path('od.dodval2')
+    assert stval1.impl_getname() == 'stval1'
+    assert stval2.impl_getname() == 'stval2'
+    assert dodval1.impl_getname() == 'dodval1'
+    assert dodval2.impl_getname() == 'dodval2'
+    assert stval1.impl_getdoc() == 'doc1'
+    assert stval2.impl_getdoc() == 'doc1'
+    assert dodval1.impl_getdoc() == 'doc2'
+    assert dodval2.impl_getdoc() == 'doc2'
+
+
+def test_getpaths_dyndescription():
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    assert cfg.cfgimpl_get_description().impl_getpaths() == ['od.dodval1.stval1', 'od.dodval2.stval2']
+    assert cfg.cfgimpl_get_description().impl_getpaths(include_groups=True) == ['od', 'od.dodval1', 'od.dodval1.stval1', 'od.dodval2', 'od.dodval2.stval2']
+
+
+def test_mod_dyndescription():
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval1.stval1 = 'yes'
+    assert cfg.od.dodval1.stval1 == 'yes'
+    assert cfg.od.dodval2.stval2 is None
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval2.stval2 = 'no'
+    assert cfg.od.dodval1.stval1 == 'yes'
+    assert cfg.od.dodval2.stval2 == 'no'
+    assert cfg.getowner(st) == owners.default
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owner
+
+
+def test_del_dyndescription():
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    cfg.od.dodval1.stval1 = 'yes'
+    assert cfg.getowner(stval1) == owner
+    del(cfg.od.dodval1.stval1)
+    assert cfg.getowner(stval1) == owners.default
+
+
+def test_multi_dyndescription():
+    st = StrOption('st', '', multi=True)
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    assert cfg.od.dodval1.stval1 == []
+    assert cfg.od.dodval2.stval2 == []
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval1.stval1.append('yes')
+    assert cfg.od.dodval1.stval1 == ['yes']
+    assert cfg.od.dodval2.stval2 == []
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval2.stval2 = ['no']
+    assert cfg.od.dodval1.stval1 == ['yes']
+    assert cfg.od.dodval2.stval2 == ['no']
+    assert cfg.getowner(st) == owners.default
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owner
+    cfg.od.dodval1.stval1.append('yes')
+    assert cfg.od.dodval1.stval1 == ['yes', 'yes']
+    cfg.od.dodval1.stval1.pop(0)
+    assert cfg.od.dodval1.stval1 == ['yes']
+
+
+def test_prop_dyndescription():
+    st = StrOption('st', '', properties=('test',))
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    dodval1 = cfg.unwrap_from_path('od.dodval1')
+    dodval2 = cfg.unwrap_from_path('od.dodval2')
+    assert str(cfg.cfgimpl_get_settings()[stval1]) == str(['test'])
+    assert str(cfg.cfgimpl_get_settings()[stval2]) == str(['test'])
+    cfg.cfgimpl_get_settings()[stval2].append('test2')
+    assert str(cfg.cfgimpl_get_settings()[stval1]) == str(['test'])
+    assert str(cfg.cfgimpl_get_settings()[stval2]) == str(['test', 'test2'])
+    cfg.cfgimpl_get_settings()[stval1].remove('test')
+    assert str(cfg.cfgimpl_get_settings()[stval1]) == str([])
+    #
+    assert str(cfg.cfgimpl_get_settings()[dodval1]) == str([])
+    assert str(cfg.cfgimpl_get_settings()[dodval2]) == str([])
+    cfg.cfgimpl_get_settings()[dodval1].append('test1')
+    assert str(cfg.cfgimpl_get_settings()[dodval1]) == str(['test1'])
+    assert str(cfg.cfgimpl_get_settings()[dodval2]) == str([])
+    cfg.cfgimpl_get_settings()[dodval1].remove('test1')
+    assert str(cfg.cfgimpl_get_settings()[dodval1]) == str([])
+    assert str(cfg.cfgimpl_get_settings()[dodval2]) == str([])
+
+
+def test_callback_dyndescription():
+    st = StrOption('st', '', callback=return_dynval)
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    assert cfg.od.dodval1.stval1 == 'val'
+    assert cfg.od.dodval2.stval2 == 'val'
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval1.stval1 = 'val2'
+    assert cfg.od.dodval1.stval1 == 'val2'
+    assert cfg.od.dodval2.stval2 == 'val'
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owners.default
+    del(cfg.od.dodval1.stval1)
+    assert cfg.od.dodval1.stval1 == 'val'
+    assert cfg.od.dodval2.stval2 == 'val'
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owners.default
+
+
+def test_callback_list_dyndescription():
+    st = StrOption('st', '', callback=return_list2, multi=True)
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    assert cfg.od.dodval1.stval1 == ['val1', 'val2']
+    assert cfg.od.dodval2.stval2 == ['val2', 'val2']
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval1.stval1 = ['val3', 'val2']
+    assert cfg.od.dodval1.stval1 == ['val3', 'val2']
+    assert cfg.od.dodval2.stval2 == ['val2', 'val2']
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owners.default
+
+
+def test_mandatory_dyndescription():
+    st = StrOption('st', '', properties=('mandatory',))
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    cfg.read_only()
+    raises(PropertiesOptionError, "cfg.od.dodval1.stval1")
+    raises(PropertiesOptionError, "cfg.od.dodval2.stval2")
+    cfg.read_write()
+    cfg.od.dodval1.stval1 = 'val'
+    cfg.read_only()
+    assert cfg.od.dodval1.stval1 == 'val'
+    raises(PropertiesOptionError, "cfg.od.dodval2.stval2")
+    cfg.read_write()
+    del(cfg.od.dodval1.stval1)
+    cfg.read_only()
+    raises(PropertiesOptionError, "cfg.od.dodval1.stval1")
+    assert cfg.cfgimpl_get_values().mandatory_warnings() == ['od.dodval1.stval1', 'od.dodval2.stval2']
+
+
+def test_build_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    cfg = Config(od)
+    assert str(cfg) == """[dodval1]
+[dodval2]
+val1 = ['val1', 'val2']"""
+    assert str(cfg.dodval1) == "stval1 = None"
+    assert str(cfg.dodval2) == "stval2 = None"
+    cfg.unwrap_from_path('dodval2')
+
+
+def test_subpath_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    assert str(cfg) == "[od]"
+    assert str(cfg.od) == """[dodval1]
+[dodval2]
+val1 = ['val1', 'val2']"""
+    assert str(cfg.od.dodval1) == "stval1 = None"
+    assert str(cfg.od.dodval2) == "stval2 = None"
+
+
+def test_list_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    raises(AttributeError, "cfg.od.dodval3")
+
+
+def test_mod_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval1.stval1 = 'yes'
+    assert cfg.od.dodval1.stval1 == 'yes'
+    assert cfg.od.dodval2.stval2 is None
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval2.stval2 = 'no'
+    assert cfg.od.dodval1.stval1 == 'yes'
+    assert cfg.od.dodval2.stval2 == 'no'
+    assert cfg.getowner(st) == owners.default
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owner
+
+
+def test_del_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    cfg.od.dodval1.stval1 = 'yes'
+    assert cfg.getowner(stval1) == owner
+    del(cfg.od.dodval1.stval1)
+    assert cfg.getowner(stval1) == owners.default
+
+
+def test_multi_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '', multi=True)
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    assert cfg.od.dodval1.stval1 == []
+    assert cfg.od.dodval2.stval2 == []
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval1.stval1.append('yes')
+    assert cfg.od.dodval1.stval1 == ['yes']
+    assert cfg.od.dodval2.stval2 == []
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval2.stval2 = ['no']
+    assert cfg.od.dodval1.stval1 == ['yes']
+    assert cfg.od.dodval2.stval2 == ['no']
+    assert cfg.getowner(st) == owners.default
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owner
+    cfg.od.dodval1.stval1.append('yes')
+    assert cfg.od.dodval1.stval1 == ['yes', 'yes']
+    cfg.od.dodval1.stval1.pop(0)
+    assert cfg.od.dodval1.stval1 == ['yes']
+
+
+def test_prop_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '', properties=('test',))
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    assert str(cfg.cfgimpl_get_settings()[stval1]) == str(['test'])
+    assert str(cfg.cfgimpl_get_settings()[stval2]) == str(['test'])
+    cfg.cfgimpl_get_settings()[stval2].append('test2')
+    assert str(cfg.cfgimpl_get_settings()[stval1]) == str(['test'])
+    assert str(cfg.cfgimpl_get_settings()[stval2]) == str(['test', 'test2'])
+    cfg.cfgimpl_get_settings()[stval1].remove('test')
+    assert str(cfg.cfgimpl_get_settings()[stval1]) == str([])
+
+
+def test_callback_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '', callback=return_dynval)
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    assert cfg.od.dodval1.stval1 == 'val'
+    assert cfg.od.dodval2.stval2 == 'val'
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owners.default
+    cfg.od.dodval1.stval1 = 'val2'
+    assert cfg.od.dodval1.stval1 == 'val2'
+    assert cfg.od.dodval2.stval2 == 'val'
+    assert cfg.getowner(stval1) == owner
+    assert cfg.getowner(stval2) == owners.default
+    del(cfg.od.dodval1.stval1)
+    assert cfg.od.dodval1.stval1 == 'val'
+    assert cfg.od.dodval2.stval2 == 'val'
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owners.default
+
+
+def test_mandatory_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '', properties=('mandatory',))
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    cfg.read_only()
+    raises(PropertiesOptionError, "cfg.od.dodval1.stval1")
+    raises(PropertiesOptionError, "cfg.od.dodval2.stval2")
+    cfg.read_write()
+    cfg.od.dodval1.stval1 = 'val'
+    cfg.read_only()
+    assert cfg.od.dodval1.stval1 == 'val'
+    raises(PropertiesOptionError, "cfg.od.dodval2.stval2")
+    cfg.read_write()
+    del(cfg.od.dodval1.stval1)
+    cfg.read_only()
+    raises(PropertiesOptionError, "cfg.od.dodval1.stval1")
+    assert cfg.cfgimpl_get_values().mandatory_warnings() == ['od.dodval1.stval1', 'od.dodval2.stval2']
+
+
+def test_increase_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '', properties=('mandatory',))
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    cfg.read_write()
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    raises(AttributeError, "cfg.od.dodval3")
+    cfg.od.val1 = ['val1', 'val2', 'val3']
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    assert cfg.od.dodval3.stval3 is None
+
+
+def test_decrease_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '', properties=('mandatory',))
+    dod = DynOptionDescription('dod', '', [st], callback=return_list, callback_params={'': ((val1, False),)})
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    stval1 = cfg.unwrap_from_path('od.dodval1.stval1')
+    stval2 = cfg.unwrap_from_path('od.dodval2.stval2')
+    cfg.read_write()
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    cfg.od.dodval2.stval2 = 'yes'
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 == 'yes'
+    assert cfg.getowner(stval1) == owners.default
+    assert cfg.getowner(stval2) == owner
+    raises(AttributeError, "cfg.od.dodval3")
+    cfg.od.val1 = ['val1']
+    assert cfg.od.dodval1.stval1 is None
+    raises(AttributeError, "cfg.od.dodval2")
+    raises(AttributeError, "cfg.od.dodval3")
+    assert cfg.getowner(stval1) == owners.default
+    #FIXME
+#    raises(AttributeError, "cfg.getowner(stval2)")
+    raises(AttributeError, "cfg.unwrap_from_path('od.dodval2.stval2')")
+
+
+def test_requires_dyndescription():
+    boolean = BoolOption('boolean', '', True)
+    st = StrOption('st', '', requires=[{'option': boolean, 'expected': False,
+                                        'action': 'disabled'}])
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od, boolean])
+    cfg = Config(od2)
+    cfg.read_write()
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    #
+    cfg.boolean = False
+    props = []
+    try:
+        cfg.od.dodval1.stval1
+    except PropertiesOptionError as err:
+        props = err.proptype
+    assert props == ['disabled']
+    props = []
+    try:
+        cfg.od.dodval2.stval2
+    except PropertiesOptionError as err:
+        props = err.proptype
+    assert props == ['disabled']
+    #
+    cfg.boolean = True
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    #transitive
+    cfg.cfgimpl_get_settings()[boolean].append('disabled')
+    props = []
+    try:
+        cfg.od.dodval1.stval1
+    except PropertiesOptionError as err:
+        props = err.proptype
+    assert props == ['disabled']
+    props = []
+    try:
+        cfg.od.dodval2.stval2
+    except PropertiesOptionError as err:
+        props = err.proptype
+    assert props == ['disabled']
+
+
+def test_requires_dyndescription2():
+    boolean = BoolOption('boolean', '', True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list,
+                               requires=[{'option': boolean, 'expected': False,
+                                          'action': 'disabled'}])
+    od = OptionDescription('od', '', [dod])
+    od2 = OptionDescription('od', '', [od, boolean])
+    cfg = Config(od2)
+    cfg.read_write()
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    #
+    cfg.boolean = False
+    props = []
+    try:
+        cfg.od.dodval1.stval1
+    except PropertiesOptionError as err:
+        props = err.proptype
+    assert props == ['disabled']
+    props = []
+    try:
+        cfg.od.dodval2.stval2
+    except PropertiesOptionError as err:
+        props = err.proptype
+    assert props == ['disabled']
+    #
+    cfg.boolean = True
+    assert cfg.od.dodval1.stval1 is None
+    assert cfg.od.dodval2.stval2 is None
+    #transitive
+    cfg.cfgimpl_get_settings()[boolean].append('disabled')
+    props = []
+    try:
+        cfg.od.dodval1.stval1
+    except PropertiesOptionError as err:
+        props = err.proptype
+    assert props == ['disabled']
+    props = []
+    try:
+        cfg.od.dodval2.stval2
+    except PropertiesOptionError as err:
+        props = err.proptype
+    assert props == ['disabled']
+
+
+def test_validator_dyndescription():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '', validator=return_true, validator_params={'': ('yes',)}, default='val')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    assert cfg.od.dodval1.stval1 == 'val'
+    raises(ValueError, "cfg.od.dodval1.stval1 = 'no'")
+    cfg.od.dodval1.stval1 = 'val'
+
+
+def test_makedict_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    cfg.od.dodval1.stval1 = 'yes'
+    assert cfg.make_dict() == {'od.val1': ['val1', 'val2'], 'od.dodval1.stval1': 'yes', 'od.dodval2.stval2': None}
+    assert cfg.make_dict(flatten=True) == {'val1': ['val1', 'val2'], 'stval1': 'yes', 'stval2': None}
+    assert cfg.make_dict(withoption='stval1') == {'od.dodval1.stval1': 'yes'}
+    assert cfg.od.make_dict(withoption='stval1') == {'dodval1.stval1': 'yes'}
+    assert cfg.od.dodval1.make_dict(withoption='stval1') == {'stval1': 'yes'}
+
+
+def test_find_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    cfg.od.dodval1.stval1 = 'yes'
+    assert cfg.find_first(byname='stval1', type_='value') == "yes"
+    assert isinstance(cfg.find_first(byname='stval1', type_='option'), DynSymLinkOption)
+    assert cfg.find(bytype=StrOption, type_='path') == ['od.dodval1.stval1', 'od.dodval2.stval2', 'od.val1']
+    opts = cfg.find(byvalue='yes')
+    assert len(opts) == 1
+    assert isinstance(opts[0], DynSymLinkOption)
+    assert opts[0].impl_getname() == 'stval1'
+
+
+def test_iter_all_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    for it in cfg.iter_all():
+        assert it[0] == 'od'
+        assert str(it[1]) == str(cfg.od)
+    #
+    list_od = []
+    for it in cfg.od.iter_all():
+        list_od.append(it[0])
+    assert list_od == ['dodval1', 'dodval2', 'val1']
+    #
+    list_od = []
+    for it in cfg.od.dodval1:
+        list_od.append(it[0])
+    assert list_od == ['stval1']
+
+
+def test_information_dyndescription_context():
+    val1 = StrOption('val1', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    od = OptionDescription('od', '', [dod, val1])
+    od2 = OptionDescription('od', '', [od])
+    dod.impl_set_information('testod', 'val1')
+    st.impl_set_information('testst', 'val2')
+    cfg = Config(od2)
+    cfg.impl_set_information('testcfgod', 'val3')
+    assert dod.impl_get_information('testod') == 'val1'
+    assert st.impl_get_information('testst') == 'val2'
+    assert cfg.impl_get_information('testcfgod') == 'val3'
+
+
+def test_consistency_dyndescription():
+    st = StrOption('st', '')
+    st2 = StrOption('st2', '')
+    dod = DynOptionDescription('dod', '', [st, st2], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    st.impl_add_consistency('not_equal', st2)
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    cfg.od.dodval1.stval1 = 'yes'
+    raises(ValueError, "cfg.od.dodval1.st2val1 = 'yes'")
+    cfg.od.dodval2.stval2 = 'yes'
+    raises(ValueError, "cfg.od.dodval2.st2val2 = 'yes'")
+    raises(ValueError, "cfg.od.dodval1.st2val1 = 'yes'")
+    del(cfg.od.dodval2.stval2)
+    raises(ValueError, "cfg.od.dodval1.st2val1 = 'yes'")
+    cfg.od.dodval2.st2val2 = 'yes'
+    raises(ValueError, "cfg.od.dodval2.stval2 = 'yes'")
+
+
+def test_consistency_external_dyndescription():
+    st = StrOption('st', '')
+    st1 = StrOption('st1', '')
+    st2 = StrOption('st2', '')
+    dod = DynOptionDescription('dod', '', [st1, st2], callback=return_list)
+    od = OptionDescription('od', '', [dod, st])
+    raises(ConfigError, "st.impl_add_consistency('not_equal', st2)")
+
+
+def test_consistency_notsame_dyndescription():
+    st1 = StrOption('st1', '')
+    st2 = StrOption('st2', '')
+    dod = DynOptionDescription('dod', '', [st1, st2], callback=return_list)
+    tst1 = StrOption('tst1', '')
+    tst2 = StrOption('tst2', '')
+    tdod = DynOptionDescription('tdod', '', [tst1, tst2], callback=return_list)
+    od = OptionDescription('od', '', [dod, tdod])
+    raises(ConfigError, "st1.impl_add_consistency('not_equal', tst1)")
+
+
+def test_all_dyndescription():
+    st = StrOption('st', '')
+    ip = IPOption('ip', '')
+    network = NetworkOption('network', '')
+    netmask = NetmaskOption('netmask', '')
+    ch = ChoiceOption('ch', '', ('val1', 'val2', 'val3'))
+    ch1 = ChoiceOption('ch1', '', return_list)
+    boo = BoolOption('boo', '')
+    intr = IntOption('intr', '')
+    floa = FloatOption('floa', '')
+    uni = UnicodeOption('uni', '')
+    port = PortOption('port', '')
+    broad = BroadcastOption('broad', '')
+    domain = DomainnameOption('domain', '')
+    email = EmailOption('email', '')
+    url = URLOption('url', '')
+    username = UsernameOption('username', '')
+    filename = FilenameOption('filename', '')
+    dod = DynOptionDescription('dod', '', [st, ip, network, netmask, ch, ch1,
+                                           boo, intr, floa, uni, port, broad,
+                                           domain, email, url, username,
+                                           filename], callback=return_list)
+    od = OptionDescription('od', '', [dod])
+    cfg = Config(od)
+    assert cfg.dodval1.stval1 is None
+    assert cfg.dodval1.ipval1 is None
+    assert cfg.dodval1.networkval1 is None
+    assert cfg.dodval1.netmaskval1 is None
+    assert cfg.dodval1.chval1 is None
+    assert cfg.dodval1.ch1val1 is None
+    assert cfg.dodval1.booval1 is None
+    assert cfg.dodval1.intrval1 is None
+    assert cfg.dodval1.floaval1 is None
+    assert cfg.dodval1.unival1 is None
+    assert cfg.dodval1.portval1 is None
+    assert cfg.dodval1.broadval1 is None
+    assert cfg.dodval1.domainval1 is None
+    assert cfg.dodval1.emailval1 is None
+    assert cfg.dodval1.urlval1 is None
+    assert cfg.dodval1.usernameval1 is None
+    assert cfg.dodval1.filenameval1 is None
+    #
+    cfg.dodval1.stval1 = "no"
+    cfg.dodval1.ipval1 = "1.1.1.1"
+    cfg.dodval1.networkval1 = "1.1.1.0"
+    cfg.dodval1.netmaskval1 = "255.255.255.0"
+    cfg.dodval1.chval1 = "val1"
+    cfg.dodval1.ch1val1 = "val2"
+    cfg.dodval1.booval1 = True
+    cfg.dodval1.intrval1 = 1
+    cfg.dodval1.floaval1 = 0.1
+    cfg.dodval1.unival1 = u"no"
+    cfg.dodval1.portval1 = 80
+    cfg.dodval1.broadval1 = "1.1.1.255"
+    cfg.dodval1.domainval1 = "test.com"
+    cfg.dodval1.emailval1 = "test@test.com"
+    cfg.dodval1.urlval1 = "http://test.com"
+    cfg.dodval1.usernameval1 = "user1"
+    cfg.dodval1.filenameval1 = "/tmp"
+    assert cfg.dodval1.stval1 == "no"
+    assert cfg.dodval1.ipval1 == "1.1.1.1"
+    assert cfg.dodval1.networkval1 == "1.1.1.0"
+    assert cfg.dodval1.netmaskval1 == "255.255.255.0"
+    assert cfg.dodval1.chval1 == "val1"
+    assert cfg.dodval1.ch1val1 == "val2"
+    assert cfg.dodval1.booval1 is True
+    assert cfg.dodval1.intrval1 == 1
+    assert cfg.dodval1.floaval1 == 0.1
+    assert cfg.dodval1.unival1 == u"no"
+    assert cfg.dodval1.portval1 == 80
+    assert cfg.dodval1.broadval1 == "1.1.1.255"
+    assert cfg.dodval1.domainval1 == "test.com"
+    assert cfg.dodval1.emailval1 == "test@test.com"
+    assert cfg.dodval1.urlval1 == "http://test.com"
+    assert cfg.dodval1.usernameval1 == "user1"
+    assert cfg.dodval1.filenameval1 == "/tmp"
+    #
+    assert cfg.dodval2.stval2 is None
+    assert cfg.dodval2.ipval2 is None
+    assert cfg.dodval2.networkval2 is None
+    assert cfg.dodval2.netmaskval2 is None
+    assert cfg.dodval2.chval2 is None
+    assert cfg.dodval2.ch1val2 is None
+    assert cfg.dodval2.booval2 is None
+    assert cfg.dodval2.intrval2 is None
+    assert cfg.dodval2.floaval2 is None
+    assert cfg.dodval2.unival2 is None
+    assert cfg.dodval2.portval2 is None
+    assert cfg.dodval2.broadval2 is None
+    assert cfg.dodval2.domainval2 is None
+    assert cfg.dodval2.emailval2 is None
+    assert cfg.dodval2.urlval2 is None
+    assert cfg.dodval2.usernameval2 is None
+    assert cfg.dodval2.filenameval2 is None
+
+
+def test_consistency_ip_netmask_dyndescription():
+    a = IPOption('a', '')
+    b = NetmaskOption('b', '')
+    dod = DynOptionDescription('dod', '', [a, b], callback=return_list)
+    b.impl_add_consistency('ip_netmask', a)
+    od = OptionDescription('od', '', [dod])
+    c = Config(od)
+    c.dodval1.aval1 = '192.168.1.1'
+    c.dodval1.bval1 = '255.255.255.0'
+    c.dodval2.aval2 = '192.168.1.2'
+    c.dodval2.bval2 = '255.255.255.255'
+    c.dodval2.bval2 = '255.255.255.0'
+
+
+def test_consistency_ip_in_network_dyndescription():
+    a = NetworkOption('a', '')
+    b = NetmaskOption('b', '')
+    c = IPOption('c', '')
+    dod = DynOptionDescription('dod', '', [a, b, c], callback=return_list)
+    c.impl_add_consistency('in_network', a, b)
+    od = OptionDescription('od', '', [dod])
+    cfg = Config(od)
+    cfg.dodval1.aval1 = '192.168.1.0'
+    cfg.dodval1.bval1 = '255.255.255.0'
+    cfg.dodval1.cval1 = '192.168.1.1'
+
+
+def test_masterslaves_dyndescription():
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True)
+    stm = OptionDescription('st1', '', [st1, st2])
+    stm.impl_set_group_type(groups.master)
+    st = DynOptionDescription('st', '', [stm], callback=return_list)
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    st1val1 = cfg.unwrap_from_path('od.stval1.st1val1.st1val1')
+    st2val1 = cfg.unwrap_from_path('od.stval1.st1val1.st2val1')
+    st1val2 = cfg.unwrap_from_path('od.stval2.st1val2.st1val2')
+    st2val2 = cfg.unwrap_from_path('od.stval2.st1val2.st2val2')
+    assert cfg.make_dict() == {'od.stval1.st1val1.st2val1': [], 'od.stval2.st1val2.st2val2': [], 'od.stval2.st1val2.st1val2': [], 'od.stval1.st1val1.st1val1': []}
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owners.default
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st1val1.append('yes')
+    assert cfg.make_dict() == {'od.stval1.st1val1.st2val1': [None], 'od.stval2.st1val2.st2val2': [], 'od.stval2.st1val2.st1val2': [], 'od.stval1.st1val1.st1val1': ['yes']}
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == [None]
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st1val1 = ['yes']
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == [None]
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st2val1 = ['no']
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == ['no']
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owner
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st1val1.pop(0)
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owner
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st1val1 = ['yes']
+    cfg.od.stval1.st1val1.st2val1 = ['yes']
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st2val1) == owner
+    del(cfg.od.stval1.st1val1.st2val1)
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st1val1 = ['yes']
+    cfg.od.stval1.st1val1.st2val1 = ['yes']
+    del(cfg.od.stval1.st1val1.st1val1)
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owners.default
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+
+
+def test_masterslaves_default_multi_dyndescription():
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True, default_multi='no')
+    stm = OptionDescription('st1', '', [st1, st2])
+    stm.impl_set_group_type(groups.master)
+    st = DynOptionDescription('st', '', [stm], callback=return_list)
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    st1val1 = cfg.unwrap_from_path('od.stval1.st1val1.st1val1')
+    st2val1 = cfg.unwrap_from_path('od.stval1.st1val1.st2val1')
+    st1val2 = cfg.unwrap_from_path('od.stval2.st1val2.st1val2')
+    st2val2 = cfg.unwrap_from_path('od.stval2.st1val2.st2val2')
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owners.default
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    cfg.od.stval1.st1val1.st1val1.append('yes')
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == ['no']
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+
+
+def test_masterslaves_submulti_dyndescription():
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=submulti)
+    stm = OptionDescription('st1', '', [st1, st2])
+    stm.impl_set_group_type(groups.master)
+    st = DynOptionDescription('st', '', [stm], callback=return_list)
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    st1val1 = cfg.unwrap_from_path('od.stval1.st1val1.st1val1')
+    st2val1 = cfg.unwrap_from_path('od.stval1.st1val1.st2val1')
+    st1val2 = cfg.unwrap_from_path('od.stval2.st1val2.st1val2')
+    st2val2 = cfg.unwrap_from_path('od.stval2.st1val2.st2val2')
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owners.default
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    cfg.od.stval1.st1val1.st1val1.append('yes')
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == [[]]
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st2val1[0].append('no')
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == [['no']]
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owner
+    assert cfg.getowner(st2val2) == owners.default
+
+
+def test_masterslaves_consistency_ip_dyndescription():
+    a = NetworkOption('net', '', multi=True)
+    b = NetmaskOption('mask', '', multi=True)
+    c = BroadcastOption('broad', '', multi=True)
+    b.impl_add_consistency('network_netmask', a)
+    c.impl_add_consistency('broadcast', a, b)
+    dod = DynOptionDescription('net', '', [a, b, c], callback=return_list)
+    dod.impl_set_group_type(groups.master)
+    od = OptionDescription('od', '', [dod])
+    cfg = Config(od)
+    cfg.netval1.netval1 = ['192.168.1.0']
+    cfg.netval1.maskval1 = ['255.255.255.0']
+    cfg.netval1.broadval1 = ['192.168.1.255']
+
+    cfg.netval1.netval1 = ['192.168.1.0', '192.168.2.128']
+    cfg.netval1.maskval1 = ['255.255.255.0', '255.255.255.128']
+    cfg.netval1.broadval1 = ['192.168.1.255', '192.168.2.255']
+    cfg.netval1.broadval1[1] = '192.168.2.255'
+    #
+    assert cfg.netval1.netval1 == ['192.168.1.0', '192.168.2.128']
+    assert cfg.netval1.maskval1 == ['255.255.255.0', '255.255.255.128']
+    assert cfg.netval1.broadval1 == ['192.168.1.255', '192.168.2.255']
+    assert cfg.netval2.netval2 == []
+    assert cfg.netval2.maskval2 == []
+    assert cfg.netval2.broadval2 == []
+
+
+def test_masterslaves_callback_dyndescription():
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True, callback=return_dynval, callback_params={'value': ((st1, False),)})
+    stm = OptionDescription('st1', '', [st1, st2])
+    stm.impl_set_group_type(groups.master)
+    st = DynOptionDescription('st', '', [stm], callback=return_list)
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    st1val1 = cfg.unwrap_from_path('od.stval1.st1val1.st1val1')
+    st2val1 = cfg.unwrap_from_path('od.stval1.st1val1.st2val1')
+    st1val2 = cfg.unwrap_from_path('od.stval2.st1val2.st1val2')
+    st2val2 = cfg.unwrap_from_path('od.stval2.st1val2.st2val2')
+    assert cfg.make_dict() == {'od.stval1.st1val1.st2val1': [], 'od.stval2.st1val2.st2val2': [], 'od.stval2.st1val2.st1val2': [], 'od.stval1.st1val1.st1val1': []}
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owners.default
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st1val1.append('yes')
+    assert cfg.make_dict() == {'od.stval1.st1val1.st2val1': ['yes'], 'od.stval2.st1val2.st2val2': [], 'od.stval2.st1val2.st1val2': [], 'od.stval1.st1val1.st1val1': ['yes']}
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == ['yes']
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st2val1 = ['no']
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == ['no']
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owner
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st1val1.pop(0)
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owner
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st1val1 = ['yes']
+    cfg.od.stval1.st1val1.st2val1 = ['yes']
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st2val1) == owner
+    del(cfg.od.stval1.st1val1.st2val1)
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st1val1 = ['yes']
+    cfg.od.stval1.st1val1.st2val1 = ['yes']
+    del(cfg.od.stval1.st1val1.st1val1)
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.getowner(st1val1) == owners.default
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st2val1 = []
+    cfg.od.stval1.st1val1.st1val1 = ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == ['yes']
+
+
+def test_masterslaves_callback_value_dyndescription():
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True, callback=return_dynval, callback_params={'value': ('val',)})
+    stm = OptionDescription('st1', '', [st1, st2])
+    stm.impl_set_group_type(groups.master)
+    st = DynOptionDescription('st', '', [stm], callback=return_list)
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    cfg.od.stval1.st1val1.st1val1.append('yes')
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1[0] == 'val'
+    assert cfg.od.stval1.st1val1.st2val1 == ['val']
+
+
+def test_masterslaves_callback_nomulti_dyndescription():
+    v1 = StrOption('v1', '', "val")
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True, callback=return_dynval, callback_params={'': ((v1, False),)})
+    stm = OptionDescription('st1', '', [st1, st2])
+    stm.impl_set_group_type(groups.master)
+    st = DynOptionDescription('st', '', [stm], callback=return_list)
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od, v1])
+    cfg = Config(od2)
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    cfg.od.stval1.st1val1.st1val1.append('yes')
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == ['val']
+
+
+def test_masterslaves_callback_multi_dyndescription():
+    v1 = StrOption('v1', '', multi=True)
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True, callback=return_dynval, callback_params={'': ((v1, False),)})
+    stm = OptionDescription('st1', '', [st1, st2])
+    stm.impl_set_group_type(groups.master)
+    st = DynOptionDescription('st', '', [stm], callback=return_list)
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od, v1])
+    cfg = Config(od2)
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    cfg.od.stval1.st1val1.st1val1.append('yes')
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == [None]
+    cfg.od.stval1.st1val1.st2val1 = ['no']
+    cfg.v1 = ['no', 'no', 'no']
+    cfg.od.stval1.st1val1.st1val1.append('yes')
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes', 'yes']
+    assert cfg.od.stval1.st1val1.st2val1 == ['no', 'no']
+    cfg.od.stval1.st1val1.st1val1.pop(1)
+    assert cfg.od.stval1.st1val1.st1val1 == ['yes']
+    assert cfg.od.stval1.st1val1.st2val1 == ['no']
+
+
+def test_masterslaves_callback_samegroup_dyndescription():
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True)
+    st3 = StrOption('st3', "", multi=True, callback=return_dynval, callback_params={'': ((st2, False),)})
+    stm = OptionDescription('st1', '', [st1, st2, st3])
+    stm.impl_set_group_type(groups.master)
+    st = DynOptionDescription('st', '', [stm], callback=return_list)
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    st1val1 = cfg.unwrap_from_path('od.stval1.st1val1.st1val1')
+    st2val1 = cfg.unwrap_from_path('od.stval1.st1val1.st2val1')
+    st3val1 = cfg.unwrap_from_path('od.stval1.st1val1.st3val1')
+    st1val2 = cfg.unwrap_from_path('od.stval2.st1val2.st1val2')
+    st2val2 = cfg.unwrap_from_path('od.stval2.st1val2.st2val2')
+    st3val2 = cfg.unwrap_from_path('od.stval2.st1val2.st3val2')
+    assert cfg.make_dict() == {'od.stval1.st1val1.st1val1': [],
+                               'od.stval1.st1val1.st2val1': [],
+                               'od.stval1.st1val1.st3val1': [],
+                               'od.stval2.st1val2.st1val2': [],
+                               'od.stval2.st1val2.st2val2': [],
+                               'od.stval2.st1val2.st3val2': []}
+    assert cfg.od.stval1.st1val1.st1val1 == []
+    assert cfg.od.stval1.st1val1.st2val1 == []
+    assert cfg.od.stval1.st1val1.st3val1 == []
+    assert cfg.od.stval2.st1val2.st1val2 == []
+    assert cfg.od.stval2.st1val2.st2val2 == []
+    assert cfg.od.stval2.st1val2.st3val2 == []
+    assert cfg.getowner(st1val1) == owners.default
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    assert cfg.getowner(st3val1) == owners.default
+    assert cfg.getowner(st3val2) == owners.default
+    ##
+    cfg.od.stval1.st1val1.st1val1.append('yes')
+    assert cfg.make_dict() == {'od.stval1.st1val1.st1val1': ['yes'],
+                               'od.stval1.st1val1.st2val1': [None],
+                               'od.stval1.st1val1.st3val1': [None],
+                               'od.stval2.st1val2.st1val2': [],
+                               'od.stval2.st1val2.st2val2': [],
+                               'od.stval2.st1val2.st3val2': []}
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owners.default
+    assert cfg.getowner(st2val2) == owners.default
+    assert cfg.getowner(st3val1) == owners.default
+    assert cfg.getowner(st3val2) == owners.default
+    #
+    cfg.od.stval1.st1val1.st2val1[0] = 'yes'
+    assert cfg.make_dict() == {'od.stval1.st1val1.st1val1': ['yes'],
+                               'od.stval1.st1val1.st2val1': ['yes'],
+                               'od.stval1.st1val1.st3val1': ['yes'],
+                               'od.stval2.st1val2.st1val2': [],
+                               'od.stval2.st1val2.st2val2': [],
+                               'od.stval2.st1val2.st3val2': []}
+    assert cfg.getowner(st1val1) == owner
+    assert cfg.getowner(st1val2) == owners.default
+    assert cfg.getowner(st2val1) == owner
+    assert cfg.getowner(st2val2) == owners.default
+    assert cfg.getowner(st3val1) == owners.default
+    assert cfg.getowner(st3val2) == owners.default
+
+
+def test_state_config():
+    a = IPOption('a', '')
+    b = NetmaskOption('b', '')
+    dod1 = DynOptionDescription('dod1', '', [a, b], callback=return_list)
+    b.impl_add_consistency('ip_netmask', a)
+    od1 = OptionDescription('od1', '', [dod1])
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True)
+    st3 = StrOption('st3', "", multi=True, callback=return_dynval, callback_params={'': ((st2, False),)})
+    stm = OptionDescription('st1', '', [st1, st2, st3])
+    stm.impl_set_group_type(groups.master)
+    st = DynOptionDescription('st', '', [stm], callback=return_list)
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od, od1])
+    try:
+        cfg = Config(od2, persistent=True, session_id='29090938')
+    except ValueError:
+        cfg = Config(od2, session_id='29090938')
+        cfg._impl_test = True
+    a = dumps(cfg)
+    q = loads(a)
+    _diff_opts(cfg.cfgimpl_get_description(), q.cfgimpl_get_description())
+    _diff_conf(cfg, q)
+
+    try:
+        delete_session('config', '29090938')
+    except ConfigError:
+        pass
+
+
+def test_invalid_conflict_dyndescription():
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_list)
+    dodinvalid = StrOption('dodinvalid', '')
+    raises(ConflictError, "OptionDescription('od', '', [dod, dodinvalid])")
+
+
+def test_invalid_subod_dyndescription():
+    st2 = StrOption('st2', '')
+    od1 = OptionDescription('od1', '', [st2])
+    raises(ConfigError, "DynOptionDescription('dod', '', [od1], callback=return_list)")
+
+
+def test_invalid_subdynod_dyndescription():
+    st2 = StrOption('st2', '')
+    od1 = DynOptionDescription('od1', '', [st2], callback=return_list)
+    raises(ConfigError, "DynOptionDescription('dod', '', [od1], callback=return_list)")
+
+
+def test_invalid_symlink_dyndescription():
+    st = StrOption('st', '')
+    st2 = SymLinkOption('st2', st)
+    raises(ConfigError, "DynOptionDescription('dod', '', [st, st2], callback=return_list)")
+
+
+def test_nocallback_dyndescription():
+    st = StrOption('st', '')
+    st2 = StrOption('st2', st)
+    raises(ConfigError, "DynOptionDescription('dod', '', [st, st2])")
+
+
+def test_invalid_samevalue_dyndescription():
+    def return_same_list():
+        return ['val1', 'val1']
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_same_list)
+    od = OptionDescription('od', '', [dod])
+    cfg = Config(od)
+    raises(ConfigError, "print cfg")
+
+
+def test_invalid_name_dyndescription():
+    def return_same_list():
+        return ['---', ' ']
+    st = StrOption('st', '')
+    dod = DynOptionDescription('dod', '', [st], callback=return_same_list)
+    od = OptionDescription('od', '', [dod])
+    cfg = Config(od)
+    raises(ValueError, "print cfg")

test/test_option.py

@@ -46,9 +46,12 @@ def a_func():
 def test_option_valid_name():
     IntOption('test', '')
     raises(ValueError, 'IntOption(1, "")')
+    raises(ValueError, 'IntOption("1test", "")')
+    IntOption("test1", "")
     raises(ValueError, 'IntOption("impl_test", "")')
     raises(ValueError, 'IntOption("_test", "")')
     raises(ValueError, 'IntOption("unwrap_from_path", "")')
+    raises(ValueError, 'IntOption("   ", "")')
 
 
 def test_option_with_callback():

test/test_option_calculation.py

@@ -51,30 +51,6 @@ def is_config(config, **kwargs):
         return 'no'
 
 
-def make_description():
-    gcoption = ChoiceOption('name', 'GC name', ('ref', 'framework'), 'ref')
-    gcdummy = BoolOption('dummy', 'dummy', default=False)
-    objspaceoption = ChoiceOption('objspace', 'Object space',
-                                  ('std', 'thunk'), 'std')
-    booloption = BoolOption('bool', 'Test boolean option', default=True)
-    intoption = IntOption('int', 'Test int option', default=0)
-    intoption2 = IntOption('int', 'Test int option', default=0)
-    floatoption = FloatOption('float', 'Test float option', default=2.3)
-    stroption = StrOption('str', 'Test string option', default="abc")
-    boolop = BoolOption('boolop', 'Test boolean option op', default=True)
-    wantref_option = BoolOption('wantref', 'Test requires', default=False,
-                                requires=({'option': boolop, 'expected': True, 'action': 'hidden'},))
-    wantframework_option = BoolOption('wantframework', 'Test requires',
-                                      default=False,
-                                      requires=({'option': boolop, 'expected': True, 'action': 'hidden'},))
-    gcgroup = OptionDescription('gc', '', [gcoption, gcdummy, floatoption, intoption2])
-    descr = OptionDescription('constraints', '', [gcgroup, booloption, objspaceoption,
-                              wantref_option, stroption,
-                              wantframework_option,
-                              intoption, boolop])
-    return descr
-
-
 def make_description_duplicates():
     gcoption = ChoiceOption('name', 'GC name', ('ref', 'framework'), 'ref')
     ## dummy 1
@@ -929,3 +905,26 @@ def test_callback_multi_list_params_key():
     cfg = Config(maconfig)
     cfg.read_write()
     assert cfg.val2.val2 == ['val', 'val']
+
+
+def test_masterslaves_callback_description():
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True, callback=return_value, callback_params={'': ((st1, False),)})
+    stm = OptionDescription('st1', '', [st1, st2])
+    stm.impl_set_group_type(groups.master)
+    st = OptionDescription('st', '', [stm])
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od])
+    cfg = Config(od2)
+    owner = cfg.cfgimpl_get_settings().getowner()
+    st1 = cfg.unwrap_from_path('od.st.st1.st1')
+    st2 = cfg.unwrap_from_path('od.st.st1.st2')
+    assert cfg.od.st.st1.st1 == []
+    assert cfg.od.st.st1.st2 == []
+    assert cfg.getowner(st1) == owners.default
+    assert cfg.getowner(st2) == owners.default
+    ##
+    cfg.od.st.st1.st1.append('yes')
+    assert cfg.od.st.st1.st1 == ['yes']
+    assert cfg.od.st.st1.st2 == ['yes']
+    assert cfg.getowner(st1) == owner

test/test_state.py

@@ -1,9 +1,10 @@
 import autopath
 
 from tiramisu.option import BoolOption, UnicodeOption, SymLinkOption, \
-    IntOption, OptionDescription
+    IntOption, IPOption, NetmaskOption, StrOption, OptionDescription, \
+    DynOptionDescription
 from tiramisu.config import Config, GroupConfig, MetaConfig
-from tiramisu.setting import owners
+from tiramisu.setting import groups, owners
 from tiramisu.storage import delete_session
 from tiramisu.error import ConfigError
 from pickle import dumps, loads
@@ -93,10 +94,35 @@ def _diff_opt(opt1, opt2):
                             assert val1[key][idx] == val2[key][idx]
             else:
                 assert val1 == val2
+        elif attr == '_master_slaves':
+            assert val1.master.impl_getname() == val2.master.impl_getname()
+            sval1 = [opt.impl_getname() for opt in val1.slaves]
+            sval2 = [opt.impl_getname() for opt in val2.slaves]
+            assert sval1 == sval2
+        elif attr == '_subdyn':
+            try:
+                assert val1.impl_getname() == val2.impl_getname()
+            except AttributeError:
+                assert val1 == val2
         else:
             assert val1 == val2
 
 
+def _diff_opts(opt1, opt2):
+    _diff_opt(opt1, opt2)
+    if isinstance(opt1, OptionDescription) or isinstance(opt1, DynOptionDescription):
+        children1 = set([opt.impl_getname() for opt in opt1._impl_getchildren(dyn=False)])
+        children2 = set([opt.impl_getname() for opt in opt2._impl_getchildren(dyn=False)])
+        diff1 = children1 - children2
+        diff2 = children2 - children1
+        if diff1 != set():
+            raise Exception('more attribute in opt1 {0}'.format(list(diff1)))
+        if diff2 != set():
+            raise Exception('more attribute in opt2 {0}'.format(list(diff2)))
+        for child in children1:
+            _diff_opts(opt1._getattr(child, dyn=False), opt2._getattr(child, dyn=False))
+
+
 def _diff_conf(cfg1, cfg2):
     attr1 = set(_get_slots(cfg1))
     attr2 = set(_get_slots(cfg2))
@@ -148,11 +174,7 @@ def test_diff_opt():
 
     a = dumps(o1)
     q = loads(a)
-    _diff_opt(o1, q)
-    _diff_opt(o1.o, q.o)
-    _diff_opt(o1.o.b, q.o.b)
-    _diff_opt(o1.o.u, q.o.u)
-    _diff_opt(o1.o.s, q.o.s)
+    _diff_opts(o1, q)
 
 
 def test_only_optiondescription():
@@ -172,11 +194,7 @@ def test_diff_opt_cache():
 
     a = dumps(o1)
     q = loads(a)
-    _diff_opt(o1, q)
-    _diff_opt(o1.o, q.o)
-    _diff_opt(o1.o.b, q.o.b)
-    _diff_opt(o1.o.u, q.o.u)
-    _diff_opt(o1.o.s, q.o.s)
+    _diff_opts(o1, q)
 
 
 def test_diff_opt_callback():
@@ -190,11 +208,7 @@ def test_diff_opt_callback():
 
     a = dumps(o1)
     q = loads(a)
-    _diff_opt(o1, q)
-    _diff_opt(o1.o, q.o)
-    _diff_opt(o1.o.b, q.o.b)
-    _diff_opt(o1.o.b2, q.o.b2)
-    _diff_opt(o1.o.b3, q.o.b3)
+    _diff_opts(o1, q)
 
 
 def test_no_state_attr():
@@ -224,6 +238,7 @@ def test_state_config():
         cfg._impl_test = True
     a = dumps(cfg)
     q = loads(a)
+    _diff_opts(cfg.cfgimpl_get_description(), q.cfgimpl_get_description())
     _diff_conf(cfg, q)
     try:
         delete_session('config', '29090931')
@@ -231,6 +246,35 @@ def test_state_config():
         pass
 
 
+def test_state_config2():
+    a = IPOption('a', '')
+    b = NetmaskOption('b', '')
+    dod1 = OptionDescription('dod1', '', [a, b])
+    b.impl_add_consistency('ip_netmask', a)
+    od1 = OptionDescription('od1', '', [dod1])
+    st1 = StrOption('st1', "", multi=True)
+    st2 = StrOption('st2', "", multi=True)
+    st3 = StrOption('st3', "", multi=True, callback=return_value, callback_params={'': ((st2, False),)})
+    stm = OptionDescription('st1', '', [st1, st2, st3])
+    stm.impl_set_group_type(groups.master)
+    st = OptionDescription('st', '', [stm])
+    od = OptionDescription('od', '', [st])
+    od2 = OptionDescription('od', '', [od, od1])
+    try:
+        cfg = Config(od2, persistent=True, session_id='29090939')
+    except ValueError:
+        cfg = Config(od2, session_id='29090939')
+        cfg._impl_test = True
+    a = dumps(cfg)
+    q = loads(a)
+    _diff_opts(cfg.cfgimpl_get_description(), q.cfgimpl_get_description())
+    _diff_conf(cfg, q)
+    try:
+        delete_session('config', '29090939')
+    except ConfigError:
+        pass
+
+
 def test_state_properties():
     val1 = BoolOption('val1', "")
     maconfig = OptionDescription('rootconfig', '', [val1])

tiramisu/autolib.py

@@ -136,20 +136,30 @@ def carry_out_calculation(option, config, callback, callback_params,
     """
     tcparams = {}
     # if callback_params has a callback, launch several time calculate()
-    one_is_multi = False
+    master_slave = False
     # multi's option should have same value for all option
     len_multi = None
-
+    try:
+        if option._is_subdyn():
+            tcparams[''] = [(option.impl_getsuffix(), False)]
+    except AttributeError:
+        pass
     for key, callbacks in callback_params.items():
         for callbk in callbacks:
             if isinstance(callbk, tuple):
-                if config is None:
-                    raise ContextError()
-                if len(callbk) == 1:
+                if config is undefined:
+                    raise ContextError()  # pragma: optional cover
+                if len(callbk) == 1:  # pragma: optional cover
                     tcparams.setdefault(key, []).append((config, False))
                 else:
                     # callbk is something link (opt, True|False)
                     opt, force_permissive = callbk
+                    if opt._is_subdyn():
+                        root = '.'.join(option.impl_getpath(config).split('.')[:-1])
+                        name = opt.impl_getname() + option.impl_getsuffix()
+                        path = root + '.' + name
+                        opt = opt._impl_to_dyn(name, path)
+                    else:
                         path = config.cfgimpl_get_description(
                         ).impl_get_path_by_opt(opt)
                     # get value
@@ -159,7 +169,7 @@ def carry_out_calculation(option, config, callback, callback_params,
                         # convert to list, not modifie this multi
                         if value.__class__.__name__ == 'Multi':
                             value = list(value)
-                    except PropertiesOptionError as err:
+                    except PropertiesOptionError as err:  # pragma: optional cover
                         if force_permissive:
                             continue
                         raise ConfigError(_('unable to carry out a calculation'
@@ -171,7 +181,7 @@ def carry_out_calculation(option, config, callback, callback_params,
                     if opt.impl_is_master_slaves() and \
                             opt.impl_get_master_slaves().in_same_group(option):
                         len_multi = len(value)
-                        one_is_multi = True
+                        master_slave = True
                         is_multi = True
                     else:
                         is_multi = False
@@ -183,9 +193,11 @@ def carry_out_calculation(option, config, callback, callback_params,
     # if one value is a multi, launch several time calculate
     # if index is set, return a value
     # if no index, return a list
-    if one_is_multi:
+    if master_slave:
         ret = []
         if index is not undefined:
+            # for example if append master and get a no default slave without
+            # getting master
             range_ = [index]
         else:
             range_ = range(len_multi)

tiramisu/config.py

@@ -21,7 +21,8 @@
 "options handler global entry point"
 import weakref
 from tiramisu.error import PropertiesOptionError, ConfigError
-from tiramisu.option import OptionDescription, Option, SymLinkOption
+from tiramisu.option import OptionDescription, Option, SymLinkOption, \
+    DynSymLinkOption
 from tiramisu.setting import groups, Settings, default_encoding, undefined
 from tiramisu.storage import get_storages, get_storage, set_storage, \
     _impl_getstate_setting
@@ -47,12 +48,18 @@ class SubConfig(object):
         :type subpath: `str` with the path name
         """
         # main option description
-        if descr is not None and not isinstance(descr, OptionDescription):
+        error = False
+        try:
+            if descr is not None and not descr.impl_is_optiondescription():  # pragma: optional cover
+                error = True
+        except AttributeError:
+            error = True
+        if error:
             raise TypeError(_('descr must be an optiondescription, not {0}'
                               ).format(type(descr)))
         self._impl_descr = descr
         # sub option descriptions
-        if not isinstance(context, weakref.ReferenceType):
+        if not isinstance(context, weakref.ReferenceType):  # pragma: optional cover
             raise ValueError('context must be a Weakref')
         self._impl_context = context
         self._impl_path = subpath
@@ -60,7 +67,7 @@ class SubConfig(object):
     def cfgimpl_reset_cache(self, only_expired=False, only=('values',
                                                             'settings')):
         "remove cache (in context)"
-        self._cfgimpl_get_context().cfgimpl_reset_cache(only_expired, only)
+        self._cfgimpl_get_context().cfgimpl_reset_cache(only_expired, only)  # pragma: optional cover
 
     def cfgimpl_get_home_by_path(self, path, force_permissive=False):
         """:returns: tuple (config, name)"""
@@ -93,13 +100,15 @@ class SubConfig(object):
     def __iter__(self):
         """Pythonesque way of parsing group's ordered options.
         iteration only on Options (not OptionDescriptions)"""
-        for child in self.cfgimpl_get_description().impl_getchildren():
-            if not isinstance(child, OptionDescription):
+        for child in self.cfgimpl_get_description()._impl_getchildren(
+                context=self._cfgimpl_get_context()):
+            if not child.impl_is_optiondescription():
                 try:
-                    yield child.impl_getname(), getattr(self, child.impl_getname())
-                except GeneratorExit:
+                    name = child.impl_getname()
+                    yield name, getattr(self, name)
+                except GeneratorExit:  # pragma: optional cover
                     raise StopIteration
-                except PropertiesOptionError:
+                except PropertiesOptionError:  # pragma: optional cover
                     pass  # option with properties
 
     def iter_all(self, force_permissive=False):
@@ -109,9 +118,9 @@ class SubConfig(object):
             try:
                 yield child.impl_getname(), self.getattr(child.impl_getname(),
                                                          force_permissive=force_permissive)
-            except GeneratorExit:
+            except GeneratorExit:  # pragma: optional cover
                 raise StopIteration
-            except PropertiesOptionError:
+            except PropertiesOptionError:  # pragma: optional cover
                 pass  # option with properties
 
     def iter_groups(self, group_type=None, force_permissive=False):
@@ -124,19 +133,20 @@ class SubConfig(object):
                            `setting.groups`
         """
         if group_type is not None and not isinstance(group_type,
-                                                     groups.GroupType):
+                                                     groups.GroupType):  # pragma: optional cover
             raise TypeError(_("unknown group_type: {0}").format(group_type))
-        for child in self.cfgimpl_get_description().impl_getchildren():
-            if isinstance(child, OptionDescription):
+        for child in self.cfgimpl_get_description()._impl_getchildren(
+                context=self._cfgimpl_get_context()):
+            if child.impl_is_optiondescription():
                 try:
                     if group_type is None or (group_type is not None and
                                               child.impl_get_group_type()
                                               == group_type):
-                        yield child.impl_getname(), self.getattr(child.impl_getname(),
-                                                            force_permissive=force_permissive)
-                except GeneratorExit:
+                        name = child.impl_getname()
+                        yield name, self.getattr(name, force_permissive=force_permissive)
+                except GeneratorExit:  # pragma: optional cover
                     raise StopIteration
-                except PropertiesOptionError:
+                except PropertiesOptionError:  # pragma: optional cover
                     pass
     # ______________________________________________________________________
 
@@ -148,7 +158,7 @@ class SubConfig(object):
         for name, value in self:
             try:
                 lines.append("{0} = {1}".format(name, value))
-            except UnicodeEncodeError:
+            except UnicodeEncodeError:  # pragma: optional cover
                 lines.append("{0} = {1}".format(name,
                                                 value.encode(default_encoding)))
         return '\n'.join(lines)
@@ -162,12 +172,12 @@ class SubConfig(object):
         old `SubConfig`, `Values`, `Multi` or `Settings`)
         """
         context = self._impl_context()
-        if context is None:
+        if context is None:  # pragma: optional cover
             raise ConfigError(_('the context does not exist anymore'))
         return context
 
     def cfgimpl_get_description(self):
-        if self._impl_descr is None:
+        if self._impl_descr is None:  # pragma: optional cover
             raise ConfigError(_('no option description found for this config'
                                 ' (may be GroupConfig)'))
         else:
@@ -183,43 +193,50 @@ class SubConfig(object):
     # attribute methods
     def __setattr__(self, name, value):
         "attribute notation mechanism for the setting of the value of an option"
-        if name.startswith('_impl_'):
-            object.__setattr__(self, name, value)
-            return
         self._setattr(name, value)
 
     def _setattr(self, name, value, force_permissive=False):
-        if '.' in name:
+        if name.startswith('_impl_'):
+            object.__setattr__(self, name, value)
+            return
+        if '.' in name:  # pragma: optional cover
             homeconfig, name = self.cfgimpl_get_home_by_path(name)
-            return homeconfig.__setattr__(name, value)
-        child = getattr(self.cfgimpl_get_description(), name)
-        if isinstance(child, OptionDescription):
-            raise TypeError(_("can't assign to an OptionDescription"))
-        elif not isinstance(child, SymLinkOption):
-            if self._impl_path is None:
-                path = name
-            else:
-                path = self._impl_path + '.' + name
-            self.cfgimpl_get_values().setitem(child, value, path,
-                                              force_permissive=force_permissive)
-        else:
+            return homeconfig._setattr(name, value, force_permissive)
         context = self._cfgimpl_get_context()
+        child = self.cfgimpl_get_description().__getattr__(name,
+                                                           context=context)
+        if isinstance(child, OptionDescription):
+            raise TypeError(_("can't assign to an OptionDescription"))  # pragma: optional cover
+        elif isinstance(child, SymLinkOption) and \
+                not isinstance(child, DynSymLinkOption):  # pragma: no dynoptiondescription cover
             path = context.cfgimpl_get_description().impl_get_path_by_opt(
                 child._opt)
             context._setattr(path, value, force_permissive=force_permissive)
+        else:
+            subpath = self._get_subpath(name)
+            self.cfgimpl_get_values().setitem(child, value, subpath,
+                                              force_permissive=force_permissive)
 
     def __delattr__(self, name):
-        child = getattr(self.cfgimpl_get_description(), name)
+        context = self._cfgimpl_get_context()
+        child = self.cfgimpl_get_description().__getattr__(name, context)
         self.cfgimpl_get_values().__delitem__(child)
 
     def __getattr__(self, name):
         return self.getattr(name)
 
-    def _getattr(self, name, force_permissive=False, validate=True):
+    def _getattr(self, name, force_permissive=False, validate=True):  # pragma: optional cover
         """use getattr instead of _getattr
         """
         return self.getattr(name, force_permissive, validate)
 
+    def _get_subpath(self, name):
+        if self._impl_path is None:
+            subpath = name
+        else:
+            subpath = self._impl_path + '.' + name
+        return subpath
+
     def getattr(self, name, force_permissive=False, validate=True):
         """
         attribute notation mechanism for accessing the value of an option
@@ -234,21 +251,20 @@ class SubConfig(object):
                 name, force_permissive=force_permissive)
             return homeconfig.getattr(name, force_permissive=force_permissive,
                                       validate=validate)
-        opt_or_descr = self.cfgimpl_get_description().__getattr__(name)
-        if self._impl_path is None:
-            subpath = name
-        else:
-            subpath = self._impl_path + '.' + name
-        # symlink options
-        #FIXME a gerer plutot dans l'option ca ...
-        #FIXME je n'en sais rien en fait ... :/
-        if isinstance(opt_or_descr, SymLinkOption):
         context = self._cfgimpl_get_context()
+        opt_or_descr = self.cfgimpl_get_description().__getattr__(name, context=context)
+        subpath = self._get_subpath(name)
+        if isinstance(opt_or_descr, DynSymLinkOption):
+            return self.cfgimpl_get_values()._get_cached_item(
+                opt_or_descr, path=subpath,
+                validate=validate,
+                force_permissive=force_permissive)
+        elif isinstance(opt_or_descr, SymLinkOption):  # pragma: no dynoptiondescription cover
             path = context.cfgimpl_get_description().impl_get_path_by_opt(
                 opt_or_descr._opt)
             return context.getattr(path, validate=validate,
                                    force_permissive=force_permissive)
-        elif isinstance(opt_or_descr, OptionDescription):
+        elif opt_or_descr.impl_is_optiondescription():
             self.cfgimpl_get_settings().validate_properties(
                 opt_or_descr, True, False, path=subpath,
                 force_permissive=force_permissive)
@@ -272,7 +288,7 @@ class SubConfig(object):
         return self._cfgimpl_get_context()._find(bytype, byname, byvalue,
                                                  first=False,
                                                  type_=type_,
-                                                 _subpath=self.cfgimpl_get_path(),
+                                                 _subpath=self.cfgimpl_get_path(False),
                                                  check_properties=check_properties,
                                                  force_permissive=force_permissive)
 
@@ -289,7 +305,7 @@ class SubConfig(object):
         """
         return self._cfgimpl_get_context()._find(
             bytype, byname, byvalue, first=True, type_=type_,
-            _subpath=self.cfgimpl_get_path(), display_error=display_error,
+            _subpath=self.cfgimpl_get_path(False), display_error=display_error,
             check_properties=check_properties,
             force_permissive=force_permissive)
 
@@ -311,11 +327,11 @@ class SubConfig(object):
                     return byvalue in value
                 else:
                     return value == byvalue
-            except PropertiesOptionError:  # a property is a restriction
-                                           # upon the access of the value
+            # a property is a restriction upon the access of the value
+            except PropertiesOptionError:  # pragma: optional cover
                 return False
 
-        if type_ not in ('option', 'path', 'value'):
+        if type_ not in ('option', 'path', 'value'):  # pragma: optional cover
             raise ValueError(_('unknown type_ type {0}'
                                'for _find').format(type_))
         find_results = []
@@ -324,7 +340,7 @@ class SubConfig(object):
         # and so on
         only_first = first is True and byvalue is None and check_properties is None
         options = self.cfgimpl_get_description().impl_get_options_paths(
-            bytype, byname, _subpath, only_first)
+            bytype, byname, _subpath, only_first, self._cfgimpl_get_context())
         for path, option in options:
             if not _filter_by_value():
                 continue
@@ -333,7 +349,7 @@ class SubConfig(object):
                 try:
                     value = self.getattr(path,
                                          force_permissive=force_permissive)
-                except PropertiesOptionError:
+                except PropertiesOptionError:  # pragma: optional cover
                     # a property restricts the access of the value
                     continue
             if type_ == 'value':
@@ -349,7 +365,7 @@ class SubConfig(object):
         return self._find_return_results(find_results, display_error)
 
     def _find_return_results(self, find_results, display_error):
-        if find_results == []:
+        if find_results == []:  # pragma: optional cover
             if display_error:
                 raise AttributeError(_("no option found in config"
                                        " with these criteria"))
@@ -400,21 +416,18 @@ class SubConfig(object):
         pathsvalues = []
         if _currpath is None:
             _currpath = []
-        if withoption is None and withvalue is not undefined:
+        if withoption is None and withvalue is not undefined:  # pragma: optional cover
             raise ValueError(_("make_dict can't filtering with value without "
                                "option"))
         if withoption is not None:
-            mypath = self.cfgimpl_get_path()
-            for path in self._cfgimpl_get_context()._find(bytype=None,
-                                                          byname=withoption,
-                                                          byvalue=withvalue,
-                                                          first=False,
-                                                          type_='path',
-                                                          _subpath=mypath,
+            context = self._cfgimpl_get_context()
+            for path in context._find(bytype=None, byname=withoption,
+                                      byvalue=withvalue, first=False,
+                                      type_='path', _subpath=self.cfgimpl_get_path(False),
                                       force_permissive=force_permissive):
                 path = '.'.join(path.split('.')[:-1])
-                opt = self._cfgimpl_get_context().cfgimpl_get_description(
-                ).impl_get_opt_by_path(path)
+                opt = context.unwrap_from_path(path, force_permissive=True)
+                mypath = self.cfgimpl_get_path()
                 if mypath is not None:
                     if mypath == path:
                         withoption = None
@@ -422,7 +435,7 @@ class SubConfig(object):
                         break
                     else:
                         tmypath = mypath + '.'
-                        if not path.startswith(tmypath):
+                        if not path.startswith(tmypath):  # pragma: optional cover
                             raise AttributeError(_('unexpected path {0}, '
                                                    'should start with {1}'
                                                    '').format(path, mypath))
@@ -443,7 +456,7 @@ class SubConfig(object):
     def _make_sub_dict(self, opt, path, pathsvalues, _currpath, flatten,
                        force_permissive=False):
         try:
-            if isinstance(opt, OptionDescription):
+            if opt.impl_is_optiondescription():
                 pathsvalues += self.getattr(path,
                                             force_permissive=force_permissive).make_dict(
                                                 flatten,
@@ -457,13 +470,15 @@ class SubConfig(object):
                 else:
                     name = '.'.join(_currpath + [opt.impl_getname()])
                 pathsvalues.append((name, value))
-        except PropertiesOptionError:
+        except PropertiesOptionError:  # pragma: optional cover
             pass
 
-    def cfgimpl_get_path(self):
+    def cfgimpl_get_path(self, dyn=True):
         descr = self.cfgimpl_get_description()
+        if not dyn and descr.impl_is_dynoptiondescription():
             context_descr = self._cfgimpl_get_context().cfgimpl_get_description()
-        return context_descr.impl_get_path_by_opt(descr)
+            return context_descr.impl_get_path_by_opt(descr._opt)
+        return self._impl_path
 
 
 class _CommonConfig(SubConfig):
@@ -488,7 +503,7 @@ class _CommonConfig(SubConfig):
         """convenience method to retrieve an option's owner
         from the config itself
         """
-        if not isinstance(opt, Option) and not isinstance(opt, SymLinkOption):
+        if not isinstance(opt, Option) and not isinstance(opt, SymLinkOption):  # pragma: optional cover
             raise TypeError(_('opt in getowner must be an option not {0}'
                               '').format(type(opt)))
         return self.cfgimpl_get_values().getowner(opt,
@@ -501,13 +516,14 @@ class _CommonConfig(SubConfig):
 
         :returns: Option()
         """
+        context = self._cfgimpl_get_context()
         if '.' in path:
             homeconfig, path = self.cfgimpl_get_home_by_path(
                 path, force_permissive=force_permissive)
-            return getattr(homeconfig.cfgimpl_get_description(), path)
-        return getattr(self.cfgimpl_get_description(), path)
+            return homeconfig.cfgimpl_get_description().__getattr__(path, context=context)
+        return self.cfgimpl_get_description().__getattr__(path, context=context)
 
-    def cfgimpl_get_path(self):
+    def cfgimpl_get_path(self, dyn=True):
         return None
 
     def cfgimpl_get_meta(self):
@@ -533,7 +549,7 @@ class _CommonConfig(SubConfig):
     # ----- state
     def __getstate__(self):
         if self._impl_meta is not None:
-            raise ConfigError(_('cannot serialize Config with MetaConfig'))
+            raise ConfigError(_('cannot serialize Config with MetaConfig'))  # pragma: optional cover
         slots = set()
         for subclass in self.__class__.__mro__:
             if subclass is not object:
@@ -543,12 +559,12 @@ class _CommonConfig(SubConfig):
         for slot in slots:
             try:
                 state[slot] = getattr(self, slot)
-            except AttributeError:
+            except AttributeError:  # pragma: optional cover
                 pass
         storage = self._impl_values._p_._storage
         if not storage.serializable:
             raise ConfigError(_('this storage is not serialisable, could be a '
-                              'none persistent storage'))
+                              'none persistent storage'))  # pragma: optional cover
         state['_storage'] = {'session_id': storage.session_id,
                              'persistent': storage.persistent}
         state['_impl_setting'] = _impl_getstate_setting()
@@ -719,6 +735,6 @@ class MetaConfig(GroupConfig):
         super(MetaConfig, self).__init__(children, session_id, persistent, descr)
 
 
-def mandatory_warnings(config):
+def mandatory_warnings(config):  # pragma: optional cover
     #only for retro-compatibility
     return config.cfgimpl_get_values().mandatory_warnings()

tiramisu/error.py

@@ -65,7 +65,7 @@ class ConstError(TypeError):
 
 
 #Warning
-class ValueWarning(UserWarning):
+class ValueWarning(UserWarning):  # pragma: optional cover
     """Option could warn user and not raise ValueError.
 
     Example:

tiramisu/i18n.py

@@ -43,9 +43,9 @@ languages += DEFAULT_LANG
 mo_location = LOCALE_DIR
 
 
-if sys.version_info[0] >= 3:
+if sys.version_info[0] >= 3:  # pragma: optional cover
     gettext.install(True, localedir=None)
-else:
+else:  # pragma: optional cover
     gettext.install(True, localedir=None, unicode=1)
 gettext.find(APP_NAME, mo_location)
 gettext.textdomain(APP_NAME)

tiramisu/option/__init__.py

@@ -1,6 +1,7 @@
 from .masterslave import MasterSlaves
-from .optiondescription import OptionDescription
-from .baseoption import Option, SymLinkOption, submulti
+from .optiondescription import OptionDescription, DynOptionDescription, \
+    SynDynOptionDescription
+from .baseoption import Option, SymLinkOption, DynSymLinkOption, submulti
 from .option import (ChoiceOption, BoolOption, IntOption, FloatOption,
                      StrOption, UnicodeOption, IPOption, PortOption,
                      NetworkOption, NetmaskOption, BroadcastOption,
@@ -8,9 +9,10 @@ from .option import (ChoiceOption, BoolOption, IntOption, FloatOption,
                      FilenameOption)
 
 
-__all__ = ('MasterSlaves', 'OptionDescription', 'Option', 'SymLinkOption',
-           'ChoiceOption', 'BoolOption', 'IntOption', 'FloatOption',
-           'StrOption', 'UnicodeOption', 'IPOption', 'PortOption',
-           'NetworkOption', 'NetmaskOption', 'BroadcastOption',
-           'DomainnameOption', 'EmailOption', 'URLOption', 'UsernameOption',
-           'FilenameOption', 'submulti')
+__all__ = ('MasterSlaves', 'OptionDescription', 'DynOptionDescription',
+           'SynDynOptionDescription', 'Option', 'SymLinkOption',
+           'DynSymLinkOption', 'ChoiceOption', 'BoolOption',
+           'IntOption', 'FloatOption', 'StrOption', 'UnicodeOption',
+           'IPOption', 'PortOption', 'NetworkOption', 'NetmaskOption',
+           'BroadcastOption', 'DomainnameOption', 'EmailOption', 'URLOption',
+           'UsernameOption', 'FilenameOption', 'submulti')

tiramisu/option/baseoption.py

@@ -40,7 +40,8 @@ class SubMulti(object):
 submulti = SubMulti()
 
 
-name_regexp = re.compile(r'^\d+')
+allowed_character = '[a-z\d\-_]'
+name_regexp = re.compile(r'^[a-z]{0}*$'.format(allowed_character))
 forbidden_names = ('iter_all', 'iter_group', 'find', 'find_first',
                    'make_dict', 'unwrap_from_path', 'read_only',
                    'read_write', 'getowner', 'set_contexts')
@@ -48,51 +49,51 @@ forbidden_names = ('iter_all', 'iter_group', 'find', 'find_first',
 
 def valid_name(name):
     "an option's name is a str and does not start with 'impl' or 'cfgimpl'"
-    if not isinstance(name, str):
+    if not isinstance(name, str):  # pragma: optional cover
         return False
-    if re.match(name_regexp, name) is None and not name.startswith('_') \
+    if re.match(name_regexp, name) is not None and not name.startswith('_') \
             and name not in forbidden_names \
             and not name.startswith('impl_') \
             and not name.startswith('cfgimpl_'):
         return True
-    else:
+    else:  # pragma: optional cover
         return False
 
 
 def validate_callback(callback, callback_params, type_):
-    if type(callback) != FunctionType:
+    if type(callback) != FunctionType:  # pragma: optional cover
         raise ValueError(_('{0} must be a function').format(type_))
     if callback_params is not None:
-        if not isinstance(callback_params, dict):
+        if not isinstance(callback_params, dict):  # pragma: optional cover
             raise ValueError(_('{0}_params must be a dict').format(type_))
         for key, callbacks in callback_params.items():
-            if key != '' and len(callbacks) != 1:
+            if key != '' and len(callbacks) != 1:  # pragma: optional cover
                 raise ValueError(_("{0}_params with key {1} mustn't have "
                                    "length different to 1").format(type_,
                                                                    key))
-            if not isinstance(callbacks, tuple):
+            if not isinstance(callbacks, tuple):  # pragma: optional cover
                 raise ValueError(_('{0}_params must be tuple for key "{1}"'
                                    ).format(type_, key))
             for callbk in callbacks:
                 if isinstance(callbk, tuple):
                     if len(callbk) == 1:
-                        if callbk != (None,):
+                        if callbk != (None,):  # pragma: optional cover
                             raise ValueError(_('{0}_params with length of '
                                                'tuple as 1 must only have '
                                                'None as first value'))
-                    elif len(callbk) != 2:
+                    elif len(callbk) != 2:  # pragma: optional cover
                         raise ValueError(_('{0}_params must only have 1 or 2 '
                                            'as length'))
                     else:
                         option, force_permissive = callbk
-                        if type_ == 'validator' and not force_permissive:
+                        if type_ == 'validator' and not force_permissive:  # pragma: optional cover
                             raise ValueError(_('validator not support tuple'))
                         if not isinstance(option, Option) and not \
-                                isinstance(option, SymLinkOption):
+                                isinstance(option, SymLinkOption):  # pragma: optional cover
                             raise ValueError(_('{0}_params must have an option'
                                                ' not a {0} for first argument'
                                                ).format(type_, type(option)))
-                        if force_permissive not in [True, False]:
+                        if force_permissive not in [True, False]:  # pragma: optional cover
                             raise ValueError(_('{0}_params must have a boolean'
                                                ' not a {0} for second argument'
                                                ).format(type_, type(
@@ -104,11 +105,23 @@ def validate_callback(callback, callback_params, type_):
 class Base(StorageBase):
     __slots__ = tuple()
 
+    def impl_set_callback(self, callback, callback_params=None):
+        if callback is None and callback_params is not None:  # pragma: optional cover
+            raise ValueError(_("params defined for a callback function but "
+                               "no callback defined"
+                               " yet for option {0}").format(
+                                   self.impl_getname()))
+        self._validate_callback(callback, callback_params)
+        if callback is not None:
+            validate_callback(callback, callback_params, 'callback')
+            self._callback = callback
+            self._callback_params = callback_params
+
     def __init__(self, name, doc, default=None, default_multi=None,
                  requires=None, multi=False, callback=None,
                  callback_params=None, validator=None, validator_params=None,
                  properties=None, warnings_only=False):
-        if not valid_name(name):
+        if not valid_name(name):  # pragma: optional cover
             raise ValueError(_("invalid name: {0} for option").format(name))
         self._name = name
         self._readonly = False
@@ -120,13 +133,13 @@ class Base(StorageBase):
         else:
             self._calc_properties = frozenset()
             self._requires = []
-        if not multi and default_multi is not None:
+        if not multi and default_multi is not None:  # pragma: optional cover
             raise ValueError(_("a default_multi is set whereas multi is False"
                              " in option: {0}").format(name))
         if default_multi is not None:
             try:
                 self._validate(default_multi)
-            except ValueError as err:
+            except ValueError as err:  # pragma: optional cover
                 raise ValueError(_("invalid default_multi value {0} "
                                    "for option {1}: {2}").format(
                                        str(default_multi), name, err))
@@ -135,16 +148,9 @@ class Base(StorageBase):
             if default is None:
                 default = []
             self._default_multi = default_multi
-        if callback is not None and ((not multi and (default is not None or
-                                                     default_multi is not None))
-                                     or (multi and (default != [] or
-                                                    default_multi is not None))
-                                     ):
-            raise ValueError(_("default value not allowed if option: {0} "
-                             "is calculated").format(name))
         if properties is None:
             properties = tuple()
-        if not isinstance(properties, tuple):
+        if not isinstance(properties, tuple):  # pragma: optional cover
             raise TypeError(_('invalid properties type {0} for {1},'
                             ' must be a tuple').format(
                                 type(properties),
@@ -154,16 +160,7 @@ class Base(StorageBase):
             self._validator = validator
             if validator_params is not None:
                 self._validator_params = validator_params
-        if callback is None and callback_params is not None:
-            raise ValueError(_("params defined for a callback function but "
-                             "no callback defined"
-                             " yet for option {0}").format(name))
-        if callback is not None:
-            validate_callback(callback, callback_params, 'callback')
-            self._callback = callback
-            if callback_params is not None:
-                self._callback_params = callback_params
-        if self._calc_properties != frozenset([]) and properties is not tuple():
+        if self._calc_properties != frozenset([]) and properties is not tuple():  # pragma: optional cover
             set_forbidden_properties = self._calc_properties & set(properties)
             if set_forbidden_properties != frozenset():
                 raise ValueError('conflict: properties already set in '
@@ -173,12 +170,23 @@ class Base(StorageBase):
             self._default = []
         else:
             self._default = default
+        if callback is not False:
+            self.impl_set_callback(callback, callback_params)
         self._properties = properties
         self._warnings_only = warnings_only
         ret = super(Base, self).__init__()
         self.impl_validate(self._default)
         return ret
 
+    def impl_is_optiondescription(self):
+        return self.__class__.__name__ in ['OptionDescription',
+                                           'DynOptionDescription',
+                                           'SynDynOptionDescription']
+
+    def impl_is_dynoptiondescription(self):
+        return self.__class__.__name__ in ['DynOptionDescription',
+                                           'SynDynOptionDescription']
+
 
 class BaseOption(Base):
     """This abstract base class stands for attribute access
@@ -204,9 +212,9 @@ class BaseOption(Base):
         """
         if key in self._informations:
             return self._informations[key]
-        elif default is not undefined:
+        elif default is not undefined:  # pragma: optional cover
             return default
-        else:
+        else:  # pragma: optional cover
             raise ValueError(_("information's item not found: {0}").format(
                 key))
 
@@ -246,6 +254,52 @@ class BaseOption(Base):
             else:
                 self._state_requires = new_value
 
+    def _impl_convert_callback(self, descr, load=False):
+        if self.__class__.__name__ == 'OptionDescription' or \
+                isinstance(self, SymLinkOption):
+            return
+        if not load and self._callback is None:
+            self._state_callback = None
+            self._state_callback_params = None
+        elif load and self._state_callback is None:
+            self._callback = None
+            self._callback_params = None
+            del(self._state_callback)
+            del(self._state_callback_params)
+        else:
+            if load:
+                callback = self._state_callback
+                callback_params = self._state_callback_params
+            else:
+                callback = self._callback
+                callback_params = self._callback_params
+                self._state_callback_params = None
+            if callback_params is not None:
+                cllbck_prms = {}
+                for key, values in callback_params.items():
+                    vls = []
+                    for value in values:
+                        if isinstance(value, tuple):
+                            if load:
+                                value = (descr.impl_get_opt_by_path(value[0]),
+                                         value[1])
+                            else:
+                                value = (descr.impl_get_path_by_opt(value[0]),
+                                         value[1])
+                        vls.append(value)
+                    cllbck_prms[key] = tuple(vls)
+            else:
+                cllbck_prms = None
+
+            if load:
+                del(self._state_callback)
+                del(self._state_callback_params)
+                self._callback = callback
+                self._callback_params = cllbck_prms
+            else:
+                self._state_callback = callback
+                self._state_callback_params = cllbck_prms
+
     # serialize
     def _impl_getstate(self, descr):
         """the under the hood stuff that need to be done
@@ -270,7 +324,7 @@ class BaseOption(Base):
         """
         try:
             self._stated
-        except AttributeError:
+        except AttributeError:  # pragma: optional cover
             raise SystemError(_('cannot serialize Option, '
                                 'only in OptionDescription'))
         slots = set()
@@ -311,7 +365,7 @@ class BaseOption(Base):
             self._readonly = self._state_readonly
             del(self._state_readonly)
             del(self._stated)
-        except AttributeError:
+        except AttributeError:  # pragma: optional cover
             pass
 
     def __setstate__(self, state):
@@ -350,7 +404,7 @@ class BaseOption(Base):
                     pass
             elif name != '_readonly':
                 is_readonly = self.impl_is_readonly()
-            if is_readonly:
+            if is_readonly:  # pragma: optional cover
                 raise AttributeError(_("'{0}' ({1}) object attribute '{2}' is"
                                        " read-only").format(
                                            self.__class__.__name__,
@@ -369,6 +423,12 @@ class BaseOption(Base):
     def impl_getname(self):
         return self._name
 
+    def impl_getpath(self, context):
+        return context.cfgimpl_get_description().impl_get_path_by_opt(self)
+
+    def impl_get_callback(self):
+        return self._callback, self._callback_params
+
 
 class OnlyOption(BaseOption):
     __slots__ = tuple()
@@ -440,25 +500,31 @@ class Option(OnlyOption):
         :param warnings_only: specific raise error for warning
         :type warnings_only: `boolean`
         """
-        if context is not None:
+        if context is not undefined:
             descr = context.cfgimpl_get_description()
 
         all_cons_vals = []
         for opt in all_cons_opts:
             #get value
-            if option == opt:
+            if (isinstance(opt, DynSymLinkOption) and option._dyn == opt._dyn) or \
+                    option == opt:
                 opt_value = value
             else:
                 #if context, calculate value, otherwise get default value
-                if context is not None:
-                    opt_value = context.getattr(
-                        descr.impl_get_path_by_opt(opt), validate=False,
+                if context is not undefined:
+                    if isinstance(opt, DynSymLinkOption):
+                        path = opt.impl_getpath(context)
+                    else:
+                        path = descr.impl_get_path_by_opt(opt)
+                    opt_value = context.getattr(path, validate=False,
                                                 force_permissive=True)
                 else:
                     opt_value = opt.impl_getdefault()
 
             #append value
-            if not self.impl_is_multi() or option == opt:
+            if not self.impl_is_multi() or (isinstance(opt, DynSymLinkOption)
+                                            and option._dyn == opt._dyn) or \
+                    option == opt:
                 all_cons_vals.append(opt_value)
             elif self.impl_is_submulti():
                 try:
@@ -476,8 +542,9 @@ class Option(OnlyOption):
                     return
         getattr(self, func)(all_cons_opts, all_cons_vals, warnings_only)
 
-    def impl_validate(self, value, context=None, validate=True,
-                      force_index=None, force_submulti_index=None):
+    def impl_validate(self, value, context=undefined, validate=True,
+                      force_index=None, force_submulti_index=None,
+                      current_opt=undefined):
         """
         :param value: the option's value
         :param context: Config's context
@@ -493,6 +560,8 @@ class Option(OnlyOption):
         """
         if not validate:
             return
+        if current_opt is undefined:
+            current_opt = self
 
         def val_validator(val):
             if self._validator is not None:
@@ -520,7 +589,7 @@ class Option(OnlyOption):
             # option validation
             try:
                 self._validate(_value, context)
-            except ValueError as err:
+            except ValueError as err:  # pragma: optional cover
                 log.debug('do_validation: value: {0}, index: {1}, '
                           'submulti_index: {2}'.format(_value, _index,
                                                        submulti_index),
@@ -533,9 +602,9 @@ class Option(OnlyOption):
                 # valid with self._validator
                 val_validator(_value)
                 # if not context launch consistency validation
-                if context is not None:
-                    descr._valid_consistency(self, _value, context, _index,
-                                             submulti_index)
+                if context is not undefined:
+                    descr._valid_consistency(current_opt, _value, context,
+                                             _index, submulti_index)
                 self._second_level_validation(_value, self._warnings_only)
             except ValueError as error:
                 log.debug(_('do_validation for {0}: error in value').format(
@@ -550,9 +619,9 @@ class Option(OnlyOption):
             if error is None and warning is None:
                 try:
                     # if context launch consistency validation
-                    if context is not None:
-                        descr._valid_consistency(self, _value, context, _index,
-                                                 submulti_index)
+                    if context is not undefined:
+                        descr._valid_consistency(current_opt, _value, context,
+                                                 _index, submulti_index)
                 except ValueError as error:
                     log.debug(_('do_validation for {0}: error in consistency').format(
                         self.impl_getname()), exc_info=True)
@@ -572,14 +641,14 @@ class Option(OnlyOption):
                     self._name, error))
 
         # generic calculation
-        if context is not None:
+        if context is not undefined:
             descr = context.cfgimpl_get_description()
 
         if not self.impl_is_multi():
             do_validation(value, None, None)
         elif force_index is not None:
             if self.impl_is_submulti() and force_submulti_index is None:
-                if not isinstance(value, list):
+                if not isinstance(value, list):  # pragma: optional cover
                     raise ValueError(_("invalid value {0} for option {1} which"
                                        " must be a list").format(
                                            value, self.impl_getname()))
@@ -588,13 +657,13 @@ class Option(OnlyOption):
             else:
                 do_validation(value, force_index, force_submulti_index)
         else:
-            if not isinstance(value, list):
+            if not isinstance(value, list):  # pragma: optional cover
                 raise ValueError(_("invalid value {0} for option {1} which "
                                    "must be a list").format(value,
                                                             self.impl_getname()))
             for idx, val in enumerate(value):
                 if self.impl_is_submulti() and force_submulti_index is None:
-                    if not isinstance(val, list):
+                    if not isinstance(val, list):  # pragma: optional cover
                         raise ValueError(_("invalid value {0} for option {1} "
                                            "which must be a list of list"
                                            "").format(value,
@@ -651,9 +720,6 @@ class Option(OnlyOption):
         else:
             return True
 
-    def impl_get_callback(self):
-        return self._callback, self._callback_params
-
     #def impl_getkey(self, value):
     #    return value
 
@@ -673,18 +739,33 @@ class Option(OnlyOption):
         :type other_opts: `list` of `tiramisu.option.Option`
         :param params: extra params (only warnings_only are allowed)
         """
-        if self.impl_is_readonly():
+        if self.impl_is_readonly():  # pragma: optional cover
             raise AttributeError(_("'{0}' ({1}) cannont add consistency, option is"
                                    " read-only").format(
                                        self.__class__.__name__,
                                        self._name))
         warnings_only = params.get('warnings_only', False)
+        if self._is_subdyn():
+            dynod = self._subdyn
+        else:
+            dynod = None
         for opt in other_opts:
-            if not isinstance(opt, Option):
+            if not isinstance(opt, Option):  # pragma: optional cover
                 raise ConfigError(_('consistency must be set with an option'))
-            if self is opt:
+            if opt._is_subdyn():
+                if dynod is None:
+                    raise ConfigError(_('almost one option in consistency is '
+                                        'in a dynoptiondescription but not all'))
+                if dynod != opt._subdyn:
+                    raise ConfigError(_('option in consistency must be in same'
+                                        ' dynoptiondescription'))
+                dynod = opt._subdyn
+            elif dynod is not None:
+                raise ConfigError(_('almost one option in consistency is in a '
+                                    'dynoptiondescription but not all'))
+            if self is opt:  # pragma: optional cover
                 raise ConfigError(_('cannot add consistency with itself'))
-            if self.impl_is_multi() != opt.impl_is_multi():
+            if self.impl_is_multi() != opt.impl_is_multi():  # pragma: optional cover
                 raise ConfigError(_('every options in consistency must be '
                                     'multi or none'))
         func = '_cons_{0}'.format(func)
@@ -694,7 +775,7 @@ class Option(OnlyOption):
             if self.impl_is_multi():
                 for idx, val in enumerate(value):
                     if not self.impl_is_submulti():
-                        self._launch_consistency(func, self, val, None, idx,
+                        self._launch_consistency(func, self, val, undefined, idx,
                                                  None, all_cons_opts,
                                                  warnings_only)
                     else:
@@ -704,7 +785,7 @@ class Option(OnlyOption):
                                                      all_cons_opts,
                                                      warnings_only)
             else:
-                self._launch_consistency(func, self, value, None, None,
+                self._launch_consistency(func, self, value, undefined, None,
                                          None, all_cons_opts, warnings_only)
         self._add_consistency(func, all_cons_opts, params)
         self.impl_validate(self.impl_getdefault())
@@ -720,49 +801,6 @@ class Option(OnlyOption):
                     raise ValueError(msg.format(opts[idx_inf].impl_getname(),
                                                 opts[idx_inf + idx_sup + 1].impl_getname()))
 
-    def _impl_convert_callbacks(self, descr, load=False):
-        if not load and self._callback is None:
-            self._state_callback = None
-            self._state_callback_params = None
-        elif load and self._state_callback is None:
-            self._callback = None
-            self._callback_params = None
-            del(self._state_callback)
-            del(self._state_callback_params)
-        else:
-            if load:
-                callback = self._state_callback
-                callback_params = self._state_callback_params
-            else:
-                callback = self._callback
-                callback_params = self._callback_params
-                self._state_callback_params = None
-            if callback_params is not None:
-                cllbck_prms = {}
-                for key, values in callback_params.items():
-                    vls = []
-                    for value in values:
-                        if isinstance(value, tuple):
-                            if load:
-                                value = (descr.impl_get_opt_by_path(value[0]),
-                                         value[1])
-                            else:
-                                value = (descr.impl_get_path_by_opt(value[0]),
-                                         value[1])
-                        vls.append(value)
-                    cllbck_prms[key] = tuple(vls)
-            else:
-                cllbck_prms = None
-
-            if load:
-                del(self._state_callback)
-                del(self._state_callback_params)
-                self._callback = callback
-                self._callback_params = cllbck_prms
-            else:
-                self._state_callback = callback
-                self._state_callback_params = cllbck_prms
-
     # serialize/unserialize
     def _impl_convert_consistencies(self, descr, load=False):
         """during serialization process, many things have to be done.
@@ -801,6 +839,24 @@ class Option(OnlyOption):
     def _second_level_validation(self, value, warnings_only):
         pass
 
+    def _impl_to_dyn(self, name, path):
+        return DynSymLinkOption(name, self, dyn=path)
+
+    def _validate_callback(self, callback, callback_params):
+        try:
+            default_multi = self._default_multi
+        except AttributeError:
+            default_multi = None
+        if callback is not None and ((not self._multi and
+                                      (self._default is not None or
+                                       default_multi is not None))
+                                     or (self._multi and
+                                         (self._default != [] or
+                                          default_multi is not None))
+                                     ):  # pragma: optional cover
+            raise ValueError(_("default value not allowed if option: {0} "
+                             "is calculated").format(self.impl_getname()))
+
 
 def validate_requires_arg(requires, name):
     """check malformed requirements
@@ -819,16 +875,16 @@ def validate_requires_arg(requires, name):
     # start parsing all requires given by user (has dict)
     # transforme it to a tuple
     for require in requires:
-        if not type(require) == dict:
+        if not type(require) == dict:  # pragma: optional cover
             raise ValueError(_("malformed requirements type for option:"
                                " {0}, must be a dict").format(name))
         valid_keys = ('option', 'expected', 'action', 'inverse', 'transitive',
                       'same_action')
         unknown_keys = frozenset(require.keys()) - frozenset(valid_keys)
-        if unknown_keys != frozenset():
-            raise ValueError('malformed requirements for option: {0}'
+        if unknown_keys != frozenset():  # pragma: optional cover
+            raise ValueError(_('malformed requirements for option: {0}'
                              ' unknown keys {1}, must only '
-                             '{2}'.format(name,
+                             '{2}').format(name,
                                            unknown_keys,
                                            valid_keys))
         # prepare all attributes
@@ -836,43 +892,43 @@ def validate_requires_arg(requires, name):
             option = require['option']
             expected = require['expected']
             action = require['action']
-        except KeyError:
+        except KeyError:  # pragma: optional cover
             raise ValueError(_("malformed requirements for option: {0}"
                                " require must have option, expected and"
                                " action keys").format(name))
-        if action == 'force_store_value':
+        if action == 'force_store_value':  # pragma: optional cover
             raise ValueError(_("malformed requirements for option: {0}"
                                " action cannot be force_store_value"
                                ).format(name))
         inverse = require.get('inverse', False)
-        if inverse not in [True, False]:
+        if inverse not in [True, False]:  # pragma: optional cover
             raise ValueError(_('malformed requirements for option: {0}'
                                ' inverse must be boolean'))
         transitive = require.get('transitive', True)
-        if transitive not in [True, False]:
+        if transitive not in [True, False]:  # pragma: optional cover
             raise ValueError(_('malformed requirements for option: {0}'
                                ' transitive must be boolean'))
         same_action = require.get('same_action', True)
-        if same_action not in [True, False]:
+        if same_action not in [True, False]:  # pragma: optional cover
             raise ValueError(_('malformed requirements for option: {0}'
                                ' same_action must be boolean'))
 
-        if not isinstance(option, Option):
+        if not isinstance(option, Option):  # pragma: optional cover
             raise ValueError(_('malformed requirements '
                                'must be an option in option {0}').format(name))
-        if option.impl_is_multi():
+        if option.impl_is_multi():  # pragma: optional cover
             raise ValueError(_('malformed requirements option {0} '
                                'must not be a multi for {1}').format(
                                    option.impl_getname(), name))
         if expected is not None:
             try:
                 option._validate(expected)
-            except ValueError as err:
+            except ValueError as err:  # pragma: optional cover
                 raise ValueError(_('malformed requirements second argument '
                                    'must be valid for option {0}'
                                    ': {1}').format(name, err))
         if action in config_action:
-            if inverse != config_action[action]:
+            if inverse != config_action[action]:  # pragma: optional cover
                 raise ValueError(_("inconsistency in action types"
                                    " for option: {0}"
                                    " action: {1}").format(name, action))
@@ -897,23 +953,20 @@ def validate_requires_arg(requires, name):
 
 
 class SymLinkOption(OnlyOption):
-    #FIXME : et avec sqlalchemy ca marche vraiment ?
     __slots__ = ('_opt', '_state_opt')
-    #not return _opt consistencies
-    #_consistencies = None
 
     def __init__(self, name, opt):
         self._name = name
-        if not isinstance(opt, Option):
+        if not isinstance(opt, Option):  # pragma: optional cover
             raise ValueError(_('malformed symlinkoption '
                                'must be an option '
                                'for symlink {0}').format(name))
         self._opt = opt
         self._readonly = True
-        return super(Base, self).__init__()
+        super(Base, self).__init__()
 
-    def __getattr__(self, name):
-        if name in ('_opt', '_opt_type', '_readonly', 'impl_getname'):
+    def __getattr__(self, name, context=undefined):
+        if name in ('_opt', '_opt_type', '_readonly', 'impl_getpath'):
             return object.__getattr__(self, name)
         else:
             return getattr(self._opt, name)
@@ -929,3 +982,29 @@ class SymLinkOption(OnlyOption):
 
     def impl_get_information(self, key, default=undefined):
         return self._opt.impl_get_information(key, default)
+
+
+class DynSymLinkOption(SymLinkOption):
+    __slots__ = ('_dyn',)
+
+    def __init__(self, name, opt, dyn):
+        self._dyn = dyn
+        super(DynSymLinkOption, self).__init__(name, opt)
+
+    def impl_getsuffix(self):
+        return self._dyn.split('.')[-1][len(self._opt.impl_getname()):]
+
+    def impl_getpath(self, context):
+        path = self._opt.impl_getpath(context)
+        base_path = '.'.join(path.split('.')[:-2])
+        if self.impl_is_master_slaves() and base_path is not '':
+            base_path = base_path + self.impl_getsuffix()
+        if base_path == '':
+            return self._dyn
+        else:
+            return base_path + '.' + self._dyn
+
+    def impl_validate(self, value, context=undefined, validate=True,
+                      force_index=None, force_submulti_index=None):
+        return self._opt.impl_validate(value, context, validate, force_index,
+                                       force_submulti_index, current_opt=self)

tiramisu/option/masterslave.py

@@ -22,39 +22,40 @@
 from tiramisu.i18n import _
 from tiramisu.setting import log, undefined
 from tiramisu.error import SlaveError, ConfigError
-from .baseoption import SymLinkOption, Option
+from .baseoption import DynSymLinkOption, SymLinkOption, Option
 
 
 class MasterSlaves(object):
     __slots__ = ('master', 'slaves')
 
-    def __init__(self, name, childs):
+    def __init__(self, name, childs, validate=True):
         #if master (same name has group) is set
         #for collect all slaves
         self.master = None
         slaves = []
         for child in childs:
-            if isinstance(child, SymLinkOption):
+            if isinstance(child, SymLinkOption):  # pragma: optional cover
                 raise ValueError(_("master group {0} shall not have "
                                    "a symlinkoption").format(name))
-            if not isinstance(child, Option):
+            if not isinstance(child, Option):  # pragma: optional cover
                 raise ValueError(_("master group {0} shall not have "
                                    "a subgroup").format(name))
-            if not child.impl_is_multi():
+            if not child.impl_is_multi():  # pragma: optional cover
                 raise ValueError(_("not allowed option {0} "
                                    "in group {1}"
                                    ": this option is not a multi"
-                                   "").format(child._name, name))
-            if child._name == name:
+                                   "").format(child.impl_getname(), name))
+            if child.impl_getname() == name:
                 self.master = child
             else:
                 slaves.append(child)
-        if self.master is None:
+        if self.master is None:  # pragma: optional cover
             raise ValueError(_('master group with wrong'
                                ' master name for {0}'
                                ).format(name))
+        if validate:
             callback, callback_params = self.master.impl_get_callback()
-        if callback is not None and callback_params is not None:
+            if callback is not None and callback_params is not None:  # pragma: optional cover
                 for key, callbacks in callback_params.items():
                     for callbk in callbacks:
                         if isinstance(callbk, tuple):
@@ -67,18 +68,46 @@ class MasterSlaves(object):
             child._master_slaves = self
 
     def is_master(self, opt):
-        return opt == self.master
+        return opt == self.master or (isinstance(opt, DynSymLinkOption) and
+                                      opt._opt == self.master)
+
+    def getmaster(self, opt):
+        if isinstance(opt, DynSymLinkOption):
+            suffix = opt.impl_getsuffix()
+            name = self.master.impl_getname() + suffix
+            base_path = opt._dyn.split('.')[0] + '.'
+            path = base_path + name
+            master = self.master._impl_to_dyn(name, path)
+        else:  # pragma: no dynoptiondescription cover
+            master = self.master
+        return master
+
+    def getslaves(self, opt):
+        if isinstance(opt, DynSymLinkOption):
+            for slave in self.slaves:
+                suffix = opt.impl_getsuffix()
+                name = slave.impl_getname() + suffix
+                base_path = opt._dyn.split('.')[0] + '.'
+                path = base_path + name
+                yield slave._impl_to_dyn(name, path)
+        else:  # pragma: no dynoptiondescription cover
+            for slave in self.slaves:
+                yield slave
 
     def in_same_group(self, opt):
+        if isinstance(opt, DynSymLinkOption):
+            return opt._opt == self.master or opt._opt in self.slaves
+        else:  # pragma: no dynoptiondescription cover
             return opt == self.master or opt in self.slaves
 
-    def reset(self, values):
-        for slave in self.slaves:
+    def reset(self, opt, values):
+        #FIXME pas de opt ???
+        for slave in self.getslaves(opt):
             values.reset(slave)
 
-    def pop(self, values, index):
+    def pop(self, opt, values, index):
         #FIXME pas test de meta ...
-        for slave in self.slaves:
+        for slave in self.getslaves(opt):
             if not values.is_default_owner(slave, validate_properties=False,
                                            validate_meta=False):
                 values._get_cached_item(slave, validate=False,
@@ -89,7 +118,7 @@ class MasterSlaves(object):
     def getitem(self, values, opt, path, validate, force_permissive,
                 force_properties, validate_properties, slave_path=undefined,
                 slave_value=undefined):
-        if opt == self.master:
+        if self.is_master(opt):
             return self._getmaster(values, opt, path, validate,
                                    force_permissive, force_properties,
                                    validate_properties, slave_path,
@@ -108,9 +137,9 @@ class MasterSlaves(object):
                                             validate_properties)
         if validate is True:
             masterlen = len(value)
-            for slave in self.slaves:
+            for slave in self.getslaves(opt):
                 try:
-                    slave_path = values._get_opt_path(slave)
+                    slave_path = slave.impl_getpath(values._getcontext())
                     if c_slave_path == slave_path:
                         slave_value = c_slave_value
                     else:
@@ -121,8 +150,8 @@ class MasterSlaves(object):
                                                                   None, False,
                                                                   None)  # not undefined
                     slavelen = len(slave_value)
-                    self.validate_slave_length(masterlen, slavelen, slave._name)
-                except ConfigError:
+                    self.validate_slave_length(masterlen, slavelen, slave.impl_getname(), opt)
+                except ConfigError:  # pragma: optional cover
                     pass
         return value
 
@@ -136,10 +165,10 @@ class MasterSlaves(object):
         return self.get_slave_value(values, opt, value, validate, validate_properties)
 
     def setitem(self, values, opt, value, path):
-        if opt == self.master:
+        if self.is_master(opt):
             masterlen = len(value)
-            for slave in self.slaves:
-                slave_path = values._get_opt_path(slave)
+            for slave in self.getslaves(opt):
+                slave_path = slave.impl_getpath(values._getcontext())
                 slave_value = values._get_validated_value(slave,
                                                           slave_path,
                                                           False,
@@ -147,24 +176,28 @@ class MasterSlaves(object):
                                                           None, False,
                                                           None)  # not undefined
                 slavelen = len(slave_value)
-                self.validate_slave_length(masterlen, slavelen, slave._name)
+                self.validate_slave_length(masterlen, slavelen, slave.impl_getname(), opt)
         else:
-            self.validate_slave_length(self.get_length(values), len(value),
-                                       opt._name, setitem=True)
+            self.validate_slave_length(self.get_length(values, opt,
+                                                       slave_path=path), len(value),
+                                       opt.impl_getname(), opt, setitem=True)
 
-    def get_length(self, values, validate=True, slave_path=undefined,
+    def get_length(self, values, opt, validate=True, slave_path=undefined,
                    slave_value=undefined):
-        masterp = values._get_opt_path(self.master)
-        return len(self.getitem(values, self.master, masterp, validate, False,
+        """get master len with slave option"""
+        masterp = self.getmaster(opt).impl_getpath(values._getcontext())
+        if slave_value is undefined:
+            slave_path = undefined
+        return len(self.getitem(values, self.getmaster(opt), masterp, validate, False,
                                 None, True, slave_path, slave_value))
 
-    def validate_slave_length(self, masterlen, valuelen, name, setitem=False):
-        if valuelen > masterlen or (valuelen < masterlen and setitem):
+    def validate_slave_length(self, masterlen, valuelen, name, opt, setitem=False):
+        if valuelen > masterlen or (valuelen < masterlen and setitem):  # pragma: optional cover
             log.debug('validate_slave_length: masterlen: {0}, valuelen: {1}, '
                       'setitem: {2}'.format(masterlen, valuelen, setitem))
             raise SlaveError(_("invalid len for the slave: {0}"
                                " which has {1} as master").format(
-                                   name, self.master._name))
+                                   name, self.getmaster(opt).impl_getname()))
 
     def get_slave_value(self, values, opt, value, validate=True,
                         validate_properties=True):
@@ -190,11 +223,11 @@ class MasterSlaves(object):
                 list is greater than master: raise SlaveError
         """
         #if slave, had values until master's one
-        path = values._get_opt_path(opt)
-        masterlen = self.get_length(values, validate, path, value)
+        path = opt.impl_getpath(values._getcontext())
+        masterlen = self.get_length(values, opt, validate, path, value)
         valuelen = len(value)
         if validate:
-            self.validate_slave_length(masterlen, valuelen, opt._name)
+            self.validate_slave_length(masterlen, valuelen, opt.impl_getname(), opt)
         if valuelen < masterlen:
             for num in range(0, masterlen - valuelen):
                 index = valuelen + num

tiramisu/option/option.py

@@ -23,7 +23,7 @@ import re
 import sys
 from IPy import IP
 from types import FunctionType
-from tiramisu.setting import log
+from tiramisu.setting import log, undefined
 
 from tiramisu.error import ConfigError, ContextError
 from tiramisu.i18n import _
@@ -48,7 +48,7 @@ class ChoiceOption(Option):
         """
         if isinstance(values, FunctionType):
             validate_callback(values, values_params, 'values')
-        elif not isinstance(values, tuple):
+        elif not isinstance(values, tuple):  # pragma: optional cover
             raise TypeError(_('values must be a tuple or a function for {0}'
                               ).format(name))
         self._extra = {'_choice_values': values,
@@ -74,20 +74,20 @@ class ChoiceOption(Option):
             values = carry_out_calculation(self, config=context,
                                            callback=values,
                                            callback_params=values_params)
-            if not isinstance(values, list):
+            if not isinstance(values, list):  # pragma: optional cover
                 raise ConfigError(_('calculated values for {0} is not a list'
                                     '').format(self.impl_getname()))
         return values
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         try:
             values = self.impl_get_values(context)
-            if not value in values:
+            if not value in values:  # pragma: optional cover
                 raise ValueError(_('value {0} is not permitted, '
                                  'only {1} is allowed'
                                  '').format(value,
                                             values))
-        except ContextError:
+        except ContextError:  # pragma: optional cover
             log.debug('ChoiceOption validation, disabled because no context')
 
 
@@ -95,39 +95,39 @@ class BoolOption(Option):
     "represents a choice between ``True`` and ``False``"
     __slots__ = tuple()
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         if not isinstance(value, bool):
-            raise ValueError(_('invalid boolean'))
+            raise ValueError(_('invalid boolean'))  # pragma: optional cover
 
 
 class IntOption(Option):
     "represents a choice of an integer"
     __slots__ = tuple()
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         if not isinstance(value, int):
-            raise ValueError(_('invalid integer'))
+            raise ValueError(_('invalid integer'))  # pragma: optional cover
 
 
 class FloatOption(Option):
     "represents a choice of a floating point number"
     __slots__ = tuple()
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         if not isinstance(value, float):
-            raise ValueError(_('invalid float'))
+            raise ValueError(_('invalid float'))  # pragma: optional cover
 
 
 class StrOption(Option):
     "represents the choice of a string"
     __slots__ = tuple()
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         if not isinstance(value, str):
-            raise ValueError(_('invalid string'))
+            raise ValueError(_('invalid string'))  # pragma: optional cover
 
 
-if sys.version_info[0] >= 3:
+if sys.version_info[0] >= 3:  # pragma: optional cover
     #UnicodeOption is same as StrOption in python 3+
     class UnicodeOption(StrOption):
         __slots__ = tuple()
@@ -138,9 +138,9 @@ else:
         __slots__ = tuple()
         _empty = u''
 
-        def _validate(self, value, context=None):
+        def _validate(self, value, context=undefined):
             if not isinstance(value, unicode):
-                raise ValueError(_('invalid unicode'))
+                raise ValueError(_('invalid unicode'))  # pragma: optional cover
 
 
 class IPOption(Option):
@@ -165,31 +165,31 @@ class IPOption(Option):
                                        properties=properties,
                                        warnings_only=warnings_only)
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         # sometimes an ip term starts with a zero
         # but this does not fit in some case, for example bind does not like it
         try:
             for val in value.split('.'):
                 if val.startswith("0") and len(val) > 1:
-                    raise ValueError(_('invalid IP'))
-        except AttributeError:
+                    raise ValueError(_('invalid IP'))  # pragma: optional cover
+        except AttributeError:  # pragma: optional cover
             #if integer for example
             raise ValueError(_('invalid IP'))
         # 'standard' validation
         try:
             IP('{0}/32'.format(value))
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             raise ValueError(_('invalid IP'))
 
     def _second_level_validation(self, value, warnings_only):
         ip = IP('{0}/32'.format(value))
-        if not self._extra['_allow_reserved'] and ip.iptype() == 'RESERVED':
+        if not self._extra['_allow_reserved'] and ip.iptype() == 'RESERVED':  # pragma: optional cover
             if warnings_only:
                 msg = _("IP is in reserved class")
             else:
                 msg = _("invalid IP, mustn't be in reserved class")
             raise ValueError(msg)
-        if self._extra['_private_only'] and not ip.iptype() == 'PRIVATE':
+        if self._extra['_private_only'] and not ip.iptype() == 'PRIVATE':  # pragma: optional cover
             if warnings_only:
                 msg = _("IP is not in private class")
             else:
@@ -198,11 +198,11 @@ class IPOption(Option):
 
     def _cons_in_network(self, opts, vals, warnings_only):
         if len(vals) != 3:
-            raise ConfigError(_('invalid len for vals'))
+            raise ConfigError(_('invalid len for vals'))  # pragma: optional cover
         if None in vals:
             return
         ip, network, netmask = vals
-        if IP(ip) not in IP('{0}/{1}'.format(network, netmask)):
+        if IP(ip) not in IP('{0}/{1}'.format(network, netmask)):  # pragma: optional cover
             if warnings_only:
                 msg = _('IP {0} ({1}) not in network {2} ({3}) with netmask {4}'
                         ' ({5})')
@@ -247,12 +247,12 @@ class PortOption(Option):
             elif not allowed:
                 is_finally = True
             elif allowed and is_finally:
-                raise ValueError(_('inconsistency in allowed range'))
+                raise ValueError(_('inconsistency in allowed range'))  # pragma: optional cover
             if allowed:
                 extra['_max_value'] = ports_max[index]
 
         if extra['_max_value'] is None:
-            raise ValueError(_('max value is empty'))
+            raise ValueError(_('max value is empty'))  # pragma: optional cover
 
         self._extra = extra
         super(PortOption, self).__init__(name, doc, default=default,
@@ -266,8 +266,8 @@ class PortOption(Option):
                                          properties=properties,
                                          warnings_only=warnings_only)
 
-    def _validate(self, value, context=None):
-        if self._extra['_allow_range'] and ":" in str(value):
+    def _validate(self, value, context=undefined):
+        if self._extra['_allow_range'] and ":" in str(value):  # pragma: optional cover
             value = str(value).split(':')
             if len(value) != 2:
                 raise ValueError(_('invalid port, range must have two values '
@@ -281,9 +281,9 @@ class PortOption(Option):
         for val in value:
             try:
                 val = int(val)
-            except ValueError:
+            except ValueError:  # pragma: optional cover
                 raise ValueError(_('invalid port'))
-            if not self._extra['_min_value'] <= val <= self._extra['_max_value']:
+            if not self._extra['_min_value'] <= val <= self._extra['_max_value']:  # pragma: optional cover
                 raise ValueError(_('invalid port, must be an between {0} '
                                    'and {1}').format(self._extra['_min_value'],
                                                      self._extra['_max_value']))
@@ -293,15 +293,15 @@ class NetworkOption(Option):
     "represents the choice of a network"
     __slots__ = tuple()
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         try:
             IP(value)
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             raise ValueError(_('invalid network address'))
 
     def _second_level_validation(self, value, warnings_only):
         ip = IP(value)
-        if ip.iptype() == 'RESERVED':
+        if ip.iptype() == 'RESERVED':  # pragma: optional cover
             if warnings_only:
                 msg = _("network address is in reserved class")
             else:
@@ -313,10 +313,10 @@ class NetmaskOption(Option):
     "represents the choice of a netmask"
     __slots__ = tuple()
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         try:
             IP('0.0.0.0/{0}'.format(value))
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             raise ValueError(_('invalid netmask address'))
 
     def _cons_network_netmask(self, opts, vals, warnings_only):
@@ -334,7 +334,7 @@ class NetmaskOption(Option):
     def __cons_netmask(self, opts, val_netmask, val_ipnetwork, make_net,
                        warnings_only):
         if len(opts) != 2:
-            raise ConfigError(_('invalid len for opts'))
+            raise ConfigError(_('invalid len for opts'))  # pragma: optional cover
         msg = None
         try:
             ip = IP('{0}/{1}'.format(val_ipnetwork, val_netmask),
@@ -347,14 +347,14 @@ class NetmaskOption(Option):
                 except ValueError:
                     pass
                 else:
-                    if make_net:
+                    if make_net:  # pragma: optional cover
                         msg = _("invalid IP {0} ({1}) with netmask {2},"
                                 " this IP is a network")
 
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             if not make_net:
                 msg = _('invalid network {0} ({1}) with netmask {2}')
-        if msg is not None:
+        if msg is not None:  # pragma: optional cover
             raise ValueError(msg.format(val_ipnetwork, opts[1].impl_getname(),
                                         val_netmask))
 
@@ -362,15 +362,15 @@ class NetmaskOption(Option):
 class BroadcastOption(Option):
     __slots__ = tuple()
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         try:
             IP('{0}/32'.format(value))
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             raise ValueError(_('invalid broadcast address'))
 
     def _cons_broadcast(self, opts, vals, warnings_only):
         if len(vals) != 3:
-            raise ConfigError(_('invalid len for vals'))
+            raise ConfigError(_('invalid len for vals'))  # pragma: optional cover
         if None in vals:
             return
         broadcast, network, netmask = vals
@@ -378,7 +378,7 @@ class BroadcastOption(Option):
             raise ValueError(_('invalid broadcast {0} ({1}) with network {2} '
                                '({3}) and netmask {4} ({5})').format(
                                    broadcast, opts[0].impl_getname(), network,
-                                   opts[1].impl_getname(), netmask, opts[2].impl_getname()))
+                                   opts[1].impl_getname(), netmask, opts[2].impl_getname()))  # pragma: optional cover
 
 
 class DomainnameOption(Option):
@@ -396,12 +396,12 @@ class DomainnameOption(Option):
                  properties=None, allow_ip=False, type_='domainname',
                  warnings_only=False, allow_without_dot=False):
         if type_ not in ['netbios', 'hostname', 'domainname']:
-            raise ValueError(_('unknown type_ {0} for hostname').format(type_))
+            raise ValueError(_('unknown type_ {0} for hostname').format(type_))  # pragma: optional cover
         self._extra = {'_dom_type': type_}
         if allow_ip not in [True, False]:
-            raise ValueError(_('allow_ip must be a boolean'))
+            raise ValueError(_('allow_ip must be a boolean'))  # pragma: optional cover
         if allow_without_dot not in [True, False]:
-            raise ValueError(_('allow_without_dot must be a boolean'))
+            raise ValueError(_('allow_without_dot must be a boolean'))  # pragma: optional cover
         self._extra['_allow_ip'] = allow_ip
         self._extra['_allow_without_dot'] = allow_without_dot
         end = ''
@@ -410,17 +410,17 @@ class DomainnameOption(Option):
         if self._extra['_dom_type'] != 'netbios':
             allow_number = '\d'
         else:
-            allow_number = ''
+            allow_number = ''  # pragma: optional cover
         if self._extra['_dom_type'] == 'netbios':
-            length = 14
+            length = 14  # pragma: optional cover
         elif self._extra['_dom_type'] == 'hostname':
-            length = 62
+            length = 62  # pragma: optional cover
         elif self._extra['_dom_type'] == 'domainname':
             length = 62
             if allow_without_dot is False:
                 extrachar_mandatory = '\.'
             else:
-                extrachar = '\.'
+                extrachar = '\.'  # pragma: optional cover
             end = '+[a-z]*'
         self._extra['_domain_re'] = re.compile(r'^(?:[a-z{0}][a-z\d\-{1}]{{,{2}}}{3}){4}$'
                                                ''.format(allow_number, extrachar, length,
@@ -436,37 +436,37 @@ class DomainnameOption(Option):
                                                properties=properties,
                                                warnings_only=warnings_only)
 
-    def _validate(self, value, context=None):
-        if self._extra['_allow_ip'] is True:
+    def _validate(self, value, context=undefined):
+        if self._extra['_allow_ip'] is True:  # pragma: optional cover
             try:
                 IP('{0}/32'.format(value))
                 return
             except ValueError:
                 pass
         if self._extra['_dom_type'] == 'domainname' and not self._extra['_allow_without_dot'] and \
-                '.' not in value:
+                '.' not in value:  # pragma: optional cover
             raise ValueError(_("invalid domainname, must have dot"))
         if len(value) > 255:
-            raise ValueError(_("invalid domainname's length (max 255)"))
+            raise ValueError(_("invalid domainname's length (max 255)"))  # pragma: optional cover
         if len(value) < 2:
-            raise ValueError(_("invalid domainname's length (min 2)"))
+            raise ValueError(_("invalid domainname's length (min 2)"))  # pragma: optional cover
         if not self._extra['_domain_re'].search(value):
-            raise ValueError(_('invalid domainname'))
+            raise ValueError(_('invalid domainname'))  # pragma: optional cover
 
 
 class EmailOption(DomainnameOption):
     __slots__ = tuple()
     username_re = re.compile(r"^[\w!#$%&'*+\-/=?^`{|}~.]+$")
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         splitted = value.split('@', 1)
         try:
             username, domain = splitted
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             raise ValueError(_('invalid email address, must contains one @'
                                ))
         if not self.username_re.search(username):
-            raise ValueError(_('invalid username in email address'))
+            raise ValueError(_('invalid username in email address'))  # pragma: optional cover
         super(EmailOption, self)._validate(domain)
 
 
@@ -475,9 +475,9 @@ class URLOption(DomainnameOption):
     proto_re = re.compile(r'(http|https)://')
     path_re = re.compile(r"^[a-z0-9\-\._~:/\?#\[\]@!%\$&\'\(\)\*\+,;=]+$")
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         match = self.proto_re.search(value)
-        if not match:
+        if not match:  # pragma: optional cover
             raise ValueError(_('invalid url, must start with http:// or '
                                'https://'))
         value = value[len(match.group(0)):]
@@ -493,17 +493,17 @@ class URLOption(DomainnameOption):
         try:
             domain, port = splitted
 
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             domain = splitted[0]
             port = 0
         if not 0 <= int(port) <= 65535:
             raise ValueError(_('invalid url, port must be an between 0 and '
-                               '65536'))
+                               '65536'))  # pragma: optional cover
         # validate domainname
         super(URLOption, self)._validate(domain)
         # validate file
         if files is not None and files != '' and not self.path_re.search(files):
-            raise ValueError(_('invalid url, must ends with filename'))
+            raise ValueError(_('invalid url, must ends with filename'))  # pragma: optional cover
 
 
 class UsernameOption(Option):
@@ -511,17 +511,17 @@ class UsernameOption(Option):
     #regexp build with 'man 8 adduser' informations
     username_re = re.compile(r"^[a-z_][a-z0-9_-]{0,30}[$a-z0-9_-]{0,1}$")
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         match = self.username_re.search(value)
         if not match:
-            raise ValueError(_('invalid username'))
+            raise ValueError(_('invalid username'))  # pragma: optional cover
 
 
 class FilenameOption(Option):
     __slots__ = tuple()
     path_re = re.compile(r"^[a-zA-Z0-9\-\._~/+]+$")
 
-    def _validate(self, value, context=None):
+    def _validate(self, value, context=undefined):
         match = self.path_re.search(value)
         if not match:
-            raise ValueError(_('invalid filename'))
+            raise ValueError(_('invalid filename'))  # pragma: optional cover

tiramisu/option/optiondescription.py

@@ -19,16 +19,21 @@
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
 from copy import copy
+import re
+
 
 from tiramisu.i18n import _
-from tiramisu.setting import groups  # , log
-from .baseoption import BaseOption
+from tiramisu.setting import groups, undefined  # , log
+from .baseoption import BaseOption, DynSymLinkOption, SymLinkOption, \
+    allowed_character
 from . import MasterSlaves
 from tiramisu.error import ConfigError, ConflictError, ValueWarning
 from tiramisu.storage import get_storages_option
+from tiramisu.autolib import carry_out_calculation
 
 
 StorageOptionDescription = get_storages_option('optiondescription')
+name_regexp = re.compile(r'^{0}*$'.format(allowed_character))
 
 
 class OptionDescription(BaseOption, StorageOptionDescription):
@@ -42,16 +47,31 @@ class OptionDescription(BaseOption, StorageOptionDescription):
         :param children: a list of options (including optiondescriptions)
 
         """
-        super(OptionDescription, self).__init__(name, doc=doc, requires=requires, properties=properties)
-        child_names = [child.impl_getname() for child in children]
+        super(OptionDescription, self).__init__(name, doc=doc,
+                                                requires=requires,
+                                                properties=properties,
+                                                callback=False)
+        child_names = []
+        dynopt_names = []
+        for child in children:
+            name = child.impl_getname()
+            child_names.append(name)
+            if isinstance(child, DynOptionDescription):
+                dynopt_names.append(name)
+
         #better performance like this
         valid_child = copy(child_names)
         valid_child.sort()
         old = None
         for child in valid_child:
-            if child == old:
+            if child == old:  # pragma: optional cover
                 raise ConflictError(_('duplicate option name: '
                                       '{0}').format(child))
+            if dynopt_names:
+                for dynopt in dynopt_names:
+                    if child != dynopt and child.startswith(dynopt):
+                        raise ConflictError(_('option must not start as '
+                                              'dynoptiondescription'))
             old = child
         self._add_children(child_names, children)
         self._cache_paths = None
@@ -74,19 +94,7 @@ class OptionDescription(BaseOption, StorageOptionDescription):
         """returns a list of all paths in self, recursively
            _currpath should not be provided (helps with recursion)
         """
-        if _currpath is None:
-            _currpath = []
-        paths = []
-        for option in self.impl_getchildren():
-            attr = option.impl_getname()
-            if isinstance(option, OptionDescription):
-                if include_groups:
-                    paths.append('.'.join(_currpath + [attr]))
-                paths += option.impl_getpaths(include_groups=include_groups,
-                                              _currpath=_currpath + [attr])
-            else:
-                paths.append('.'.join(_currpath + [attr]))
-        return paths
+        return _impl_getpaths(self, include_groups, _currpath)
 
     def impl_build_cache_consistency(self, _consistencies=None, cache_option=None):
         #FIXME cache_option !
@@ -96,7 +104,7 @@ class OptionDescription(BaseOption, StorageOptionDescription):
             cache_option = []
         else:
             init = False
-        for option in self.impl_getchildren():
+        for option in self._impl_getchildren(dyn=False):
             cache_option.append(option._get_id())
             if not isinstance(option, OptionDescription):
                 for func, all_cons_opts, params in option._get_consistencies():
@@ -111,7 +119,7 @@ class OptionDescription(BaseOption, StorageOptionDescription):
             self._cache_consistencies = {}
             for opt, cons in _consistencies.items():
                 #FIXME dans le cache ...
-                if opt._get_id() not in cache_option:
+                if opt._get_id() not in cache_option:  # pragma: optional cover
                     raise ConfigError(_('consistency with option {0} '
                                         'which is not in Config').format(
                                             opt.impl_getname()))
@@ -125,13 +133,13 @@ class OptionDescription(BaseOption, StorageOptionDescription):
             cache_option = []
         else:
             init = False
-        for option in self.impl_getchildren():
+        for option in self._impl_getchildren(dyn=False):
             #FIXME specifique id for sqlalchemy?
             #FIXME avec sqlalchemy ca marche le multi parent ? (dans des configs différentes)
             #if option.id is None:
             #    raise SystemError(_("an option's id should not be None "
             #                        "for {0}").format(option.impl_getname()))
-            if option._get_id() in cache_option:
+            if option._get_id() in cache_option:  # pragma: optional cover
                 raise ConflictError(_('duplicate option: {0}').format(option))
             cache_option.append(option._get_id())
             option._readonly = True
@@ -147,7 +155,7 @@ class OptionDescription(BaseOption, StorageOptionDescription):
         :param group_type: an instance of `GroupType` or `MasterGroupType`
                               that lives in `setting.groups`
         """
-        if self._group_type != groups.default:
+        if self._group_type != groups.default:  # pragma: optional cover
             raise TypeError(_('cannot change group_type if already set '
                             '(old {0}, new {1})').format(self._group_type,
                                                          group_type))
@@ -155,7 +163,7 @@ class OptionDescription(BaseOption, StorageOptionDescription):
             self._group_type = group_type
             if isinstance(group_type, groups.MasterGroupType):
                 MasterSlaves(self.impl_getname(), self.impl_getchildren())
-        else:
+        else:  # pragma: optional cover
             raise ValueError(_('group_type: {0}'
                                ' not allowed').format(group_type))
 
@@ -166,17 +174,28 @@ class OptionDescription(BaseOption, StorageOptionDescription):
         if self._cache_consistencies is None:
             return True
         #consistencies is something like [('_cons_not_equal', (opt1, opt2))]
+        if isinstance(option, DynSymLinkOption):
+            consistencies = self._cache_consistencies.get(option._opt)
+        else:
             consistencies = self._cache_consistencies.get(option)
         if consistencies is not None:
             for func, all_cons_opts, params in consistencies:
                 warnings_only = params.get('warnings_only', False)
                 #all_cons_opts[0] is the option where func is set
+                if isinstance(option, DynSymLinkOption):
+                    subpath = '.'.join(option._dyn.split('.')[:-1])
+                    namelen = len(option._opt.impl_getname())
+                    suffix = option.impl_getname()[namelen:]
+                    opts = []
+                    for opt in all_cons_opts:
+                        name = opt.impl_getname() + suffix
+                        path = subpath + '.' + name
+                        opts.append(opt._impl_to_dyn(name, path))
+                else:
+                    opts = all_cons_opts
                 try:
-                    all_cons_opts[0]._launch_consistency(func, option,
-                                                         value,
-                                                         context, index,
-                                                         submulti_idx,
-                                                         all_cons_opts,
+                    opts[0]._launch_consistency(func, option, value, context,
+                                                index, submulti_idx, opts,
                                                 warnings_only)
                 except ValueError as err:
                     if warnings_only:
@@ -189,12 +208,13 @@ class OptionDescription(BaseOption, StorageOptionDescription):
         :param descr: parent :class:`tiramisu.option.OptionDescription`
         """
         if descr is None:
-            self.impl_build_cache_consistency()
+            #FIXME faut le desactiver ?
+            #self.impl_build_cache_consistency()
             self.impl_build_cache_option()
             descr = self
         super(OptionDescription, self)._impl_getstate(descr)
         self._state_group_type = str(self._group_type)
-        for option in self.impl_getchildren():
+        for option in self._impl_getchildren():
             option._impl_getstate(descr)
 
     def __getstate__(self):
@@ -224,9 +244,12 @@ class OptionDescription(BaseOption, StorageOptionDescription):
             self.impl_build_cache_option()
             descr = self
         self._group_type = getattr(groups, self._state_group_type)
+        if isinstance(self._group_type, groups.MasterGroupType):
+            MasterSlaves(self.impl_getname(), self.impl_getchildren(),
+                         validate=False)
         del(self._state_group_type)
         super(OptionDescription, self)._impl_setstate(descr)
-        for option in self.impl_getchildren():
+        for option in self._impl_getchildren(dyn=False):
             option._impl_setstate(descr)
 
     def __setstate__(self, state):
@@ -235,3 +258,129 @@ class OptionDescription(BaseOption, StorageOptionDescription):
             self._stated
         except AttributeError:
             self._impl_setstate()
+
+    def _impl_get_suffixes(self, context):
+        callback, callback_params = self.impl_get_callback()
+        if callback_params is None:
+            callback_params = {}
+        values = carry_out_calculation(self, config=context,
+                                       callback=callback,
+                                       callback_params=callback_params)
+        if len(values) > len(set(values)):
+            raise ConfigError(_('DynOptionDescription callback return not uniq value'))
+        for val in values:
+            if not isinstance(val, str) or re.match(name_regexp, val) is None:
+                raise ValueError(_("invalid suffix: {0} for option").format(val))
+        return values
+
+    def _impl_search_dynchild(self, name=undefined, context=undefined):
+        ret = []
+        for child in self._impl_st_getchildren():
+            cname = child.impl_getname()
+            if isinstance(child, DynOptionDescription) and \
+                    (name is undefined or name.startswith(cname)):
+                path = cname
+                for value in child._impl_get_suffixes(context):
+                    if name is undefined:
+                        ret.append(SynDynOptionDescription(child, cname + value, path + value, value))
+                    elif name == cname + value:
+                        return SynDynOptionDescription(child, name, path + value, value)
+        return ret
+
+    def _impl_get_dynchild(self, child, suffix):
+        name = child.impl_getname() + suffix
+        path = self._name + suffix + '.' + name
+        if isinstance(child, OptionDescription):
+            return SynDynOptionDescription(child, name, path, suffix)
+        else:
+            return child._impl_to_dyn(name, path)
+
+    def _impl_getchildren(self, dyn=True, context=undefined):
+        for child in self._impl_st_getchildren():
+            cname = child._name
+            if dyn and child.impl_is_dynoptiondescription():
+                path = cname
+                for value in child._impl_get_suffixes(context):
+                    yield SynDynOptionDescription(child,
+                                                  cname + value,
+                                                  path + value, value)
+            else:
+                yield child
+
+    def impl_getchildren(self):
+        return list(self._impl_getchildren())
+
+
+class DynOptionDescription(OptionDescription):
+    def __init__(self, name, doc, children, requires=None, properties=None,
+                 callback=None, callback_params=None):
+        for child in children:
+            if isinstance(child, OptionDescription):
+                if child.impl_get_group_type() != groups.master:
+                    raise ConfigError(_('cannot set optiondescription in an '
+                                        'dynoptiondescription'))
+                for chld in child._impl_getchildren():
+                    chld._subdyn = self
+            if isinstance(child, SymLinkOption):
+                raise ConfigError(_('cannot set symlinkoption in an '
+                                    'dynoptiondescription'))
+            child._subdyn = self
+        super(DynOptionDescription, self).__init__(name, doc, children,
+                                                   requires, properties)
+        self.impl_set_callback(callback, callback_params)
+
+    def _validate_callback(self, callback, callback_params):
+        if callback is None:
+            raise ConfigError(_('callback is mandatory for dynoptiondescription'))
+
+
+class SynDynOptionDescription(object):
+    __slots__ = ('_opt', '_name', '_path', '_suffix')
+
+    def __init__(self, opt, name, path, suffix):
+        self._opt = opt
+        self._name = name
+        self._path = path
+        self._suffix = suffix
+
+    def __getattr__(self, name, context=undefined):
+        if name in dir(self._opt):
+            return getattr(self._opt, name)
+        return self._opt._getattr(name, self._name, self._suffix, context)
+
+    def impl_getname(self):
+        return self._name
+
+    def _impl_getchildren(self, dyn=True, context=undefined):
+        children = []
+        for child in self._opt._impl_getchildren():
+            children.append(self._opt._impl_get_dynchild(child, self._suffix))
+        return children
+
+    def impl_getchildren(self):
+        return self._impl_getchildren()
+
+    def impl_getpath(self, context):
+        return self._path
+
+    def impl_getpaths(self, include_groups=False, _currpath=None):
+        return _impl_getpaths(self, include_groups, _currpath)
+
+
+def _impl_getpaths(klass, include_groups, _currpath):
+        """returns a list of all paths in klass, recursively
+           _currpath should not be provided (helps with recursion)
+        """
+        if _currpath is None:
+            _currpath = []
+        paths = []
+        for option in klass._impl_getchildren():
+            attr = option.impl_getname()
+            if option.impl_is_optiondescription():
+                if include_groups:
+                    paths.append('.'.join(_currpath + [attr]))
+                paths += option.impl_getpaths(include_groups=include_groups,
+                                              _currpath=_currpath + [attr])
+            else:
+                paths.append('.'.join(_currpath + [attr]))
+        return paths

tiramisu/setting.py

@@ -114,11 +114,11 @@ class _NameSpace(object):
     """
 
     def __setattr__(self, name, value):
-        if name in self.__dict__:
+        if name in self.__dict__:  # pragma: optional cover
             raise ConstError(_("can't rebind {0}").format(name))
         self.__dict__[name] = value
 
-    def __delattr__(self, name):
+    def __delattr__(self, name):  # pragma: optional cover
         if name in self.__dict__:
             raise ConstError(_("can't unbind {0}").format(name))
         raise ValueError(name)
@@ -248,7 +248,7 @@ class Property(object):
         :type propname: string
         """
         if self._opt is not None and self._opt.impl_getrequires() is not None \
-                and propname in self._opt._calc_properties:
+                and propname in self._opt._calc_properties:  # pragma: optional cover
             raise ValueError(_('cannot append {0} property for option {1}: '
                                'this property is calculated').format(
                                    propname, self._opt.impl_getname()))
@@ -315,7 +315,7 @@ class Settings(object):
         old `SubConfig`, `Values`, `Multi` or `Settings`)
         """
         context = self.context()
-        if context is None:
+        if context is None:  # pragma: optional cover
             raise ConfigError(_('the context does not exist anymore'))
         return context
 
@@ -329,24 +329,24 @@ class Settings(object):
         return str(list(self._getproperties()))
 
     def __getitem__(self, opt):
-        path = self._get_path_by_opt(opt)
+        path = opt.impl_getpath(self._getcontext())
         return self._getitem(opt, path)
 
     def _getitem(self, opt, path):
         return Property(self, self._getproperties(opt, path), opt, path)
 
-    def __setitem__(self, opt, value):
+    def __setitem__(self, opt, value):  # pragma: optional cover
         raise ValueError('you should only append/remove properties')
 
     def reset(self, opt=None, _path=None, all_properties=False):
-        if all_properties and (_path or opt):
+        if all_properties and (_path or opt):  # pragma: optional cover
             raise ValueError(_('opt and all_properties must not be set '
                                'together in reset'))
         if all_properties:
             self._p_.reset_all_properties()
         else:
             if opt is not None and _path is None:
-                _path = self._get_path_by_opt(opt)
+                _path = opt.impl_getpath(self._getcontext())
             self._p_.reset_properties(_path)
         self._getcontext().cfgimpl_reset_cache()
 
@@ -357,7 +357,7 @@ class Settings(object):
         if opt is None:
             props = copy(self._p_.getproperties(path, default_properties))
         else:
-            if path is None:
+            if path is None:  # pragma: optional cover
                 raise ValueError(_('if opt is not None, path should not be'
                                    ' None in _getproperties'))
             ntime = None
@@ -491,15 +491,15 @@ class Settings(object):
                     instead of passing a :class:`tiramisu.option.Option()` object.
         """
         if opt is not None and path is None:
-            path = self._get_path_by_opt(opt)
-        if not isinstance(permissive, tuple):
+            path = opt.impl_getpath(self._getcontext())
+        if not isinstance(permissive, tuple):  # pragma: optional cover
             raise TypeError(_('permissive must be a tuple'))
         self._p_.setpermissive(path, permissive)
 
     #____________________________________________________________
     def setowner(self, owner):
         ":param owner: sets the default value for owner at the Config level"
-        if not isinstance(owner, owners.Owner):
+        if not isinstance(owner, owners.Owner):  # pragma: optional cover
             raise TypeError(_("invalid generic owner {0}").format(str(owner)))
         self._owner = owner
 
@@ -586,8 +586,8 @@ class Settings(object):
             for require in requires:
                 option, expected, action, inverse, \
                     transitive, same_action = require
-                reqpath = self._get_path_by_opt(option)
-                if reqpath == path or reqpath.startswith(path + '.'):
+                reqpath = option.impl_getpath(context)
+                if reqpath == path or reqpath.startswith(path + '.'):  # pragma: optional cover
                     raise RequirementError(_("malformed requirements "
                                              "imbrication detected for option:"
                                              " '{0}' with requirement on: "
@@ -598,7 +598,7 @@ class Settings(object):
                     if not transitive:
                         continue
                     properties = err.proptype
-                    if same_action and action not in properties:
+                    if same_action and action not in properties:  # pragma: optional cover
                         raise RequirementError(_("option '{0}' has "
                                                  "requirement's property "
                                                  "error: "
@@ -616,14 +616,6 @@ class Settings(object):
                     break
         return calc_properties
 
-    def _get_path_by_opt(self, opt):
-        """just a wrapper to get path in optiondescription's cache
-
-        :param opt: `Option`'s object
-        :returns: path
-        """
-        return self._getcontext().cfgimpl_get_description().impl_get_path_by_opt(opt)
-
     def get_modified_properties(self):
         return self._p_.get_modified_properties()
 

tiramisu/storage/__init__.py

@@ -40,7 +40,7 @@ class StorageType(object):
     storage_type = None
     mod = None
 
-    def set(self, name):
+    def set(self, name):  # pragma: optional cover
         if self.storage_type is not None:
             if self.storage_type == name:
                 return
@@ -63,7 +63,7 @@ storage_type = StorageType()
 storage_option_type = StorageType()
 
 
-def set_storage(type_, name, **kwargs):
+def set_storage(type_, name, **kwargs):  # pragma: optional cover
     """Change storage's configuration
 
     :params name: is the storage name. If storage is already set, cannot
@@ -95,7 +95,7 @@ def _impl_getstate_setting():
     return state
 
 
-def get_storage(type_, session_id, persistent, test):
+def get_storage(type_, session_id, persistent, test):  # pragma: optional cover
     """all used when __setstate__ a Config
     """
     if type_ == 'option':
@@ -123,7 +123,7 @@ def get_storages_option(type_):
         return imp.OptionDescription
 
 
-def list_sessions(type_):
+def list_sessions(type_):  # pragma: optional cover
     """List all available session (persistent or not persistent)
     """
     if type_ == 'option':
@@ -132,7 +132,7 @@ def list_sessions(type_):
         return storage_type.get().list_sessions()
 
 
-def delete_session(type_, session_id):
+def delete_session(type_, session_id):  # pragma: optional cover
     """Delete a selected session, be careful, you can deleted a session
     use by an other instance
     :params session_id: id of session to delete

tiramisu/storage/dictionary/option.py

@@ -18,7 +18,8 @@
 #
 # ____________________________________________________________
 from tiramisu.i18n import _
-from tiramisu.setting import groups
+from tiramisu.setting import groups, undefined
+from tiramisu.error import ConfigError
 
 
 #____________________________________________________________
@@ -32,9 +33,14 @@ class Base(object):
                  '_default', '_default_multi', '_state_callback', '_callback',
                  '_state_callback_params', '_callback_params', '_multitype',
                  '_consistencies', '_warnings_only', '_master_slaves',
-                 '_state_consistencies', '_extra', '__weakref__')
+                 '_state_consistencies', '_extra', '_subdyn', '__weakref__',
+                 '_state_master_slaves')
 
     def __init__(self):
+        try:
+            self._subdyn
+        except AttributeError:
+            self._subdyn = False
         try:
             self._consistencies
         except AttributeError:
@@ -65,6 +71,12 @@ class Base(object):
     def _get_id(self):
         return id(self)
 
+    def _is_subdyn(self):
+        try:
+            return self._subdyn is not False
+        except AttributeError:
+            return False
+
 
 class OptionDescription(Base):
     __slots__ = ('_children', '_cache_paths', '_cache_consistencies',
@@ -82,20 +94,21 @@ class OptionDescription(Base):
     def impl_get_opt_by_path(self, path):
         try:
             return self._cache_paths[0][self._cache_paths[1].index(path)]
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             raise AttributeError(_('no option for path {0}').format(path))
 
     def impl_get_path_by_opt(self, opt):
         try:
             return self._cache_paths[1][self._cache_paths[0].index(opt)]
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             raise AttributeError(_('no option {0} found').format(opt))
 
-    def impl_get_group_type(self):
+    def impl_get_group_type(self):  # pragma: optional cover
         return getattr(groups, self._group_type)
 
-    def impl_build_cache_option(self, _currpath=None, cache_path=None, cache_option=None):
-        if _currpath is None and self._cache_paths is not None:
+    def impl_build_cache_option(self, _currpath=None, cache_path=None,
+                                cache_option=None):
+        if _currpath is None and self._cache_paths is not None:  # pragma: optional cover
             # cache already set
             return
         if _currpath is None:
@@ -106,11 +119,12 @@ class OptionDescription(Base):
         if cache_path is None:
             cache_path = []
             cache_option = []
-        for option in self.impl_getchildren():
+        for option in self._impl_getchildren(dyn=False):
             attr = option._name
+            path = str('.'.join(_currpath + [attr]))
             cache_option.append(option)
-            cache_path.append(str('.'.join(_currpath + [attr])))
-            if option.__class__.__name__ == 'OptionDescription':
+            cache_path.append(path)
+            if option.impl_is_optiondescription():
                 _currpath.append(attr)
                 option.impl_build_cache_option(_currpath, cache_path,
                                                cache_option)
@@ -118,52 +132,141 @@ class OptionDescription(Base):
         if save:
             self._cache_paths = (tuple(cache_option), tuple(cache_path))
 
-    def impl_get_options_paths(self, bytype, byname, _subpath, only_first):
-        def _filter_by_name():
-            if byname is None or path == byname or \
-                    path.endswith('.' + byname):
-                return True
-            return False
-
-        def _filter_by_type():
-            if bytype is None:
-                return True
-            if isinstance(option, bytype):
-                return True
-            return False
-
+    def impl_get_options_paths(self, bytype, byname, _subpath, only_first, context):
         find_results = []
+
+        def _rebuild_dynpath(path, suffix, dynopt):
+            found = False
+            spath = path.split('.')
+            for length in xrange(1, len(spath)):
+                subpath = '.'.join(spath[0:length])
+                subopt = self.impl_get_opt_by_path(subpath)
+                if dynopt == subopt:
+                    found = True
+                    break
+            if not found:
+                #FIXME
+                raise ConfigError(_('hu?'))
+            subpath = subpath + suffix
+            for slength in xrange(length, len(spath)):
+                subpath = subpath + '.' + spath[slength] + suffix
+            return subpath
+
+        def _filter_by_name(path, option):
+            name = option.impl_getname()
+            if option._is_subdyn():
+                if byname.startswith(name):
+                    found = False
+                    for suffix in option._subdyn._impl_get_suffixes(
+                            context):
+                        if byname == name + suffix:
+                            found = True
+                            path = _rebuild_dynpath(path, suffix,
+                                                    option._subdyn)
+                            option = option._impl_to_dyn(
+                                name + suffix, path)
+                            break
+                    if not found:
+                        return False
+            else:
+                if not byname == name:
+                    return False
+            find_results.append((path, option))
+            return True
+
+        def _filter_by_type(path, option):
+            if isinstance(option, bytype):
+                #if byname is not None, check option byname in _filter_by_name
+                #not here
+                if byname is None:
+                    if option._is_subdyn():
+                        name = option.impl_getname()
+                        for suffix in option._subdyn._impl_get_suffixes(
+                                context):
+                            spath = _rebuild_dynpath(path, suffix,
+                                                     option._subdyn)
+                            find_results.append((spath, option._impl_to_dyn(
+                                name + suffix, spath)))
+                    else:
+                        find_results.append((path, option))
+                return True
+            return False
+
+        def _filter(path, option):
+            if bytype is not None:
+                retval = _filter_by_type(path, option)
+                if byname is None:
+                    return retval
+            if byname is not None:
+                return _filter_by_name(path, option)
+
         opts, paths = self._cache_paths
         for index in range(0, len(paths)):
             option = opts[index]
-            if option.__class__.__name__ == 'OptionDescription':
+            if option.impl_is_optiondescription():
                 continue
             path = paths[index]
             if _subpath is not None and not path.startswith(_subpath + '.'):
                 continue
-            if not _filter_by_name():
+            if bytype == byname is None:
+                if option._is_subdyn():
+                    name = option.impl_getname()
+                    for suffix in option._subdyn._impl_get_suffixes(
+                            context):
+                        spath = _rebuild_dynpath(path, suffix,
+                                                 option._subdyn)
+                        find_results.append((spath, option._impl_to_dyn(
+                            name + suffix, spath)))
+                else:
+                    find_results.append((path, option))
+            else:
+                if _filter(path, option) is False:
                     continue
-            if not _filter_by_type():
-                continue
-            retval = (path, option)
             if only_first:
-                return retval
-            find_results.append(retval)
+                return find_results[0]
         return find_results
 
-    def impl_getchildren(self):
+    def _impl_st_getchildren(self):
         return self._children[1]
 
-    def __getattr__(self, name):
+    def __getattr__(self, name, context=undefined):
         if name == '_name':
             return object.__getattribute__(self, name)
+        return self._getattr(name, context=context)
+
+    def _getattr(self, name, dyn_od=undefined, suffix=undefined,
+                 context=undefined, dyn=True):
+        error = False
+        if suffix is not undefined:
             try:
+                if undefined in [dyn_od, suffix, context]:  # pragma: optional cover
+                    raise ConfigError(_("dyn_od, suffix and context needed if "
+                                        "it's a dyn option"))
+                if name.endswith(suffix):
+                    oname = name[:-len(suffix)]
+                    child = self._children[1][self._children[0].index(oname)]
+                    return self._impl_get_dynchild(child, suffix)
+                else:
+                    error = True
+            except ValueError:  # pragma: optional cover
+                error = True
+        else:
+            try:  # pragma: optional cover
                 if name == '_readonly':
-                raise AttributeError("{0} instance has no attribute "
-                                     "'_readonly'".format(
+                    raise AttributeError(_("{0} instance has no attribute "
+                                         "'_readonly'").format(
                                              self.__class__.__name__))
-            return self._children[1][self._children[0].index(name)]
+                child = self._children[1][self._children[0].index(name)]
+                if dyn and child.impl_is_dynoptiondescription():
+                    error = True
+                else:
+                    return child
             except ValueError:
+                child = self._impl_search_dynchild(name, context=context)
+                if child != []:
+                    return child
+                error = True
+        if error:
             raise AttributeError(_('unknown Option {0} '
                                    'in OptionDescription {1}'
                                    '').format(name, self._name))

tiramisu/storage/dictionary/storage.py

@@ -29,11 +29,11 @@ setting = Setting()
 _list_sessions = []
 
 
-def list_sessions():
+def list_sessions():  # pragma: optional cover
     return _list_sessions
 
 
-def delete_session(session_id):
+def delete_session(session_id):  # pragma: optional cover
     raise ConfigError(_('dictionary storage cannot delete session'))
 
 
@@ -44,9 +44,9 @@ class Storage(object):
     serializable = True
 
     def __init__(self, session_id, persistent, test=False):
-        if not test and session_id in _list_sessions:
+        if not test and session_id in _list_sessions:  # pragma: optional cover
             raise ValueError(_('session already used'))
-        if persistent:
+        if persistent:  # pragma: optional cover
             raise ValueError(_('a dictionary cannot be persistent'))
         self.session_id = session_id
         self.persistent = persistent
@@ -55,5 +55,5 @@ class Storage(object):
     def __del__(self):
         try:
             _list_sessions.remove(self.session_id)
-        except AttributeError:
+        except AttributeError:  # pragma: optional cover
             pass

tiramisu/storage/dictionary/value.py

@@ -88,5 +88,5 @@ class Values(Cache):
         """
         if key in self._informations:
             return self._informations[key]
-        else:
+        else:  # pragma: optional cover
             raise ValueError("not found")

tiramisu/value.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 "takes care of the option's values and multi values"
-# Copyright (C) 2013 Team tiramisu (see AUTHORS for all contributors)
+# Copyright (C) 2013-2014 Team tiramisu (see AUTHORS for all contributors)
 #
 # This program is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published by the
@@ -22,7 +22,7 @@ from tiramisu.error import ConfigError, SlaveError, PropertiesOptionError
 from tiramisu.setting import owners, expires_time, undefined
 from tiramisu.autolib import carry_out_calculation
 from tiramisu.i18n import _
-from tiramisu.option import SymLinkOption, OptionDescription
+from tiramisu.option import SymLinkOption, DynSymLinkOption
 
 
 class Values(object):
@@ -50,7 +50,7 @@ class Values(object):
         old `SubConfig`, `Values`, `Multi` or `Settings`)
         """
         context = self.context()
-        if context is None:
+        if context is None:  # pragma: optional cover
             raise ConfigError(_('the context does not exist anymore'))
         return context
 
@@ -60,9 +60,11 @@ class Values(object):
         :param opt: the `option.Option()` object
         :returns: the option's value (or the default value if not set)
         """
+        if opt.impl_is_optiondescription():  # pragma: optional cover
+            raise ValueError(_('optiondescription has no value'))
         setting = self._getcontext().cfgimpl_get_settings()
-        force_default = 'frozen' in setting[opt] and \
-            'force_default_on_freeze' in setting[opt]
+        force_default = 'frozen' in setting._getitem(opt, path) and \
+            'force_default_on_freeze' in setting._getitem(opt, path)
         if not is_default and not force_default:
             value = self._p_.getvalue(path)
             if index is not undefined:
@@ -101,7 +103,7 @@ class Values(object):
             #FIXME : problème de longueur si meta + slave
             #doit passer de meta à pas meta
             #en plus il faut gérer la longueur avec les meta !
-            #FIXME SymlinkOption
+            #FIXME SymLinkOption
             value = meta.cfgimpl_get_values()[opt]
             if isinstance(value, Multi):
                 if index is not undefined:
@@ -136,7 +138,7 @@ class Values(object):
 
         :param opt: the `option.Option()` object
         """
-        path = self._get_opt_path(opt)
+        path = opt.impl_getpath(self._getcontext())
         return self._contains(path)
 
     def _contains(self, path):
@@ -148,7 +150,7 @@ class Values(object):
 
     def reset(self, opt, path=None):
         if path is None:
-            path = self._get_opt_path(opt)
+            path = opt.impl_getpath(self._getcontext())
         if self._p_.hasvalue(path):
             context = self._getcontext()
             setting = context.cfgimpl_get_settings()
@@ -156,7 +158,7 @@ class Values(object):
                               context, 'validator' in setting)
             context.cfgimpl_reset_cache()
             if opt.impl_is_master_slaves('master'):
-                opt.impl_get_master_slaves().reset(self)
+                opt.impl_get_master_slaves().reset(opt, self)
             self._p_.resetvalue(path)
 
     def _isempty(self, opt, value):
@@ -186,7 +188,7 @@ class Values(object):
                          force_permissive=False, force_properties=None,
                          validate_properties=True):
         if path is None:
-            path = self._get_opt_path(opt)
+            path = opt.impl_getpath(self._getcontext())
         ntime = None
         setting = self._getcontext().cfgimpl_get_settings()
         if 'cache' in setting and self._p_.hascache(path):
@@ -275,13 +277,13 @@ class Values(object):
                     force_submulti_index = None
                 else:
                     force_submulti_index = submulti_index
-
                 opt.impl_validate(value, context, 'validator' in setting,
                                   force_index=force_index,
                                   force_submulti_index=force_submulti_index)
             #FIXME pas de test avec les metas ...
             #FIXME et les symlinkoption ...
-            if is_default and 'force_store_value' in setting[opt]:
+            if is_default and 'force_store_value' in setting._getitem(opt,
+                                                                      path):
                 if isinstance(value, Multi):
                     item = list(value)
                 else:
@@ -297,7 +299,7 @@ class Values(object):
             raise config_error
         return value
 
-    def __setitem__(self, opt, value):
+    def __setitem__(self, opt, value):  # pragma: optional cover
         raise ValueError(_('you should only set value with config'))
 
     def setitem(self, opt, value, path, force_permissive=False,
@@ -342,9 +344,10 @@ class Values(object):
                                  was present
         :returns: a `setting.owners.Owner` object
         """
-        if isinstance(opt, SymLinkOption):
+        if isinstance(opt, SymLinkOption) and \
+                not isinstance(opt, DynSymLinkOption):
             opt = opt._opt
-        path = self._get_opt_path(opt)
+        path = opt.impl_getpath(self._getcontext())
         return self._getowner(opt, path, force_permissive=force_permissive)
 
     def _getowner(self, opt, path, validate_properties=True,
@@ -365,14 +368,14 @@ class Values(object):
         :param opt: the `option.Option` object
         :param owner: a valid owner, that is a `setting.owners.Owner` object
         """
-        if not isinstance(owner, owners.Owner):
+        if not isinstance(owner, owners.Owner):  # pragma: optional cover
             raise TypeError(_("invalid generic owner {0}").format(str(owner)))
 
-        path = self._get_opt_path(opt)
+        path = opt.impl_getpath(self._getcontext())
         self._setowner(opt, path, owner)
 
     def _setowner(self, opt, path, owner):
-        if self._getowner(opt, path) == owners.default:
+        if self._getowner(opt, path) == owners.default:  # pragma: optional cover
             raise ConfigError(_('no value for {0} cannot change owner to {1}'
                                 '').format(path, owner))
         self._p_.setowner(path, owner)
@@ -384,7 +387,7 @@ class Values(object):
                        (not the toplevel config)
         :return: boolean
         """
-        path = self._get_opt_path(opt)
+        path = opt.impl_getpath(self._getcontext())
         return self._is_default_owner(opt, path,
                                       validate_properties=validate_properties,
                                       validate_meta=validate_meta)
@@ -403,16 +406,6 @@ class Values(object):
         else:
             self._p_.reset_all_cache()
 
-    def _get_opt_path(self, opt):
-        """
-        retrieve the option's path in the config
-
-        :param opt: the `option.Option` object
-        :returns: a string with points like "gc.dummy.my_option"
-        """
-        return self._getcontext().cfgimpl_get_description(
-        ).impl_get_path_by_opt(opt)
-
     # information
     def set_information(self, key, value):
         """updates the information's attribute
@@ -429,7 +422,7 @@ class Values(object):
         """
         try:
             return self._p_.get_information(key)
-        except ValueError:
+        except ValueError:  # pragma: optional cover
             if default is not undefined:
                 return default
             else:
@@ -445,22 +438,26 @@ class Values(object):
         """
         def _mandatory_warnings(description):
             #if value in cache, properties are not calculated
-            for opt in description.impl_getchildren():
-                if isinstance(opt, OptionDescription):
-                    _mandatory_warnings(opt)
-                elif isinstance(opt, SymLinkOption):
+            _ret = []
+            for opt in description._impl_getchildren(
+                    context=self._getcontext()):
+                if opt.impl_is_optiondescription():
+                    _ret.extend(_mandatory_warnings(opt))
+                elif isinstance(opt, SymLinkOption) and \
+                        not isinstance(opt, DynSymLinkOption):
                     pass
                 else:
-                    path = self._get_opt_path(opt)
+                    path = opt.impl_getpath(self._getcontext())
                     try:
                         self._get_cached_item(opt, path=path,
                                               force_properties=frozenset(('mandatory',)))
                     except PropertiesOptionError as err:
                         if err.proptype == ['mandatory']:
-                            yield path
+                            _ret.append(path)
+            return _ret
         self.reset_cache(False)
         descr = self._getcontext().cfgimpl_get_description()
-        ret = list(_mandatory_warnings(descr))
+        ret = _mandatory_warnings(descr)
         self.reset_cache(False)
         return ret
 
@@ -507,12 +504,12 @@ class Multi(list):
         """
         if value is None:
             value = []
-        if not opt.impl_is_submulti() and isinstance(value, Multi):
+        if not opt.impl_is_submulti() and isinstance(value, Multi):  # pragma: optional cover
             raise ValueError(_('{0} is already a Multi ').format(
                 opt.impl_getname()))
         self.opt = opt
         self.path = path
-        if not isinstance(context, weakref.ReferenceType):
+        if not isinstance(context, weakref.ReferenceType):  # pragma: optional cover
             raise ValueError('context must be a Weakref')
         self.context = context
         if not isinstance(value, list):
@@ -542,7 +539,7 @@ class Multi(list):
         old `SubConfig`, `Values`, `Multi` or `Settings`)
         """
         context = self.context()
-        if context is None:
+        if context is None:  # pragma: optional cover
             raise ConfigError(_('the context does not exist anymore'))
         return context
 
@@ -574,7 +571,7 @@ class Multi(list):
         only if the option is a master
         """
         if not force:
-            if self.opt.impl_is_master_slaves('slave'):
+            if self.opt.impl_is_master_slaves('slave'):  # pragma: optional cover
                 raise SlaveError(_("cannot append a value on a multi option {0}"
                                    " which is a slave").format(self.opt.impl_getname()))
         index = self.__len__()
@@ -650,11 +647,11 @@ class Multi(list):
         """
         context = self._getcontext()
         if not force:
-            if self.opt.impl_is_master_slaves('slave'):
+            if self.opt.impl_is_master_slaves('slave'):  # pragma: optional cover
                 raise SlaveError(_("cannot pop a value on a multi option {0}"
                                    " which is a slave").format(self.opt.impl_getname()))
             if self.opt.impl_is_master_slaves('master'):
-                self.opt.impl_get_master_slaves().pop(
+                self.opt.impl_get_master_slaves().pop(self.opt,
                                                       context.cfgimpl_get_values(), index)
         #set value without valid properties
         ret = super(Multi, self).pop(index)