update help() in api

test/auto/test_auto.py

@@ -17,7 +17,7 @@ ICON = u'\u2937'
 OPTIONS_TYPE = {'str': {'type': str,
                         'option': StrOption}
                }
-PROPERTIES = ['hidden', 'disabled']
+PROPERTIES = ['hidden', 'disabled', 'mandatory']
 PROPERTIES_LIST = ['prop1', 'prop2']
 
 OWNER = 'user'
@@ -1068,7 +1068,7 @@ def autocheck_option_get(api, pathread, pathwrite, confread, confwrite, **kwargs
         name = pathread.rsplit('.', 1)[1]
     else:
         name = pathread
-    assert api.option.get(pathread).impl_getname() == name
+    assert api.unrestraint.option(pathread).option.name() == name
 
 
 @autocheck
@@ -1088,28 +1088,28 @@ def autocheck_find(api, pathread, pathwrite, confread, confwrite, **kwargs):
         name = pathread.rsplit('.', 1)[1]
     else:
         name = pathread
-    option = _getoption(api.option.get(pathread))
+    option = _getoption(api.unrestraint.option(pathread).option.get())
 
     def do(conf):
         if not kwargs.get('permissive', False) and not kwargs.get('propertyerror', False):
-            assert option == _getoption(api.config(conf).option.find_first(name))
+            assert option == _getoption(api.config(conf).option.find(name, first=True))
-            assert option == _getoption(api.forcepermissive.config(conf).option.find_first(name))
+            assert option == _getoption(api.forcepermissive.config(conf).option.find(name, first=True))
         elif kwargs.get('permissive', False):
-            raises(AttributeError, "api.config(conf).option.find_first(name)")
+            raises(AttributeError, "api.config(conf).option.find(name, first=True)")
-            assert option == _getoption(api.forcepermissive.config(conf).option.find_first(name))
+            assert option == _getoption(api.forcepermissive.config(conf).option.find(name, first=True))
         else:
-            raises(AttributeError, "api.config(conf).option.find_first(name)")
+            raises(AttributeError, "api.config(conf).option.find(name, first=True)")
-            raises(AttributeError, "api.forcepermissive.config(conf).option.find_first(name)")
+            raises(AttributeError, "api.forcepermissive.config(conf).option.find(name, first=True)")
-        assert option == _getoption(api.unrestraint.config(conf).option.find_first(name))
+        assert option == _getoption(api.unrestraint.config(conf).option.find(name, first=True))
         assert [option] == _getoptions(api.unrestraint.config(conf).option.find(name))
-        assert pathread == api.unrestraint.config(conf).option.find_first(name, 'path')
+        assert pathread == api.unrestraint.config(conf).option.find(name, 'path', first=True)
         assert [pathread] == api.unrestraint.config(conf).option.find(name, 'path')
     do(confread)
     if confread != confwrite:
         do(confwrite)
 
 
-def check_all(cfg, paths, path, meta, multi, default, default_multi, require, consistency, callback, symlink, weakrefs, **kwargs):
+def check_all(cfg, paths_, path, meta, multi, default, default_multi, require, consistency, callback, symlink, weakrefs, **kwargs):
     def _build_make_dict():
         dico = {}
         dico_value = {}
@@ -1132,7 +1132,7 @@ def check_all(cfg, paths, path, meta, multi, default, default_multi, require, co
         is_master = False
         dyns = []
         has_value = False
-        for cpath, options in paths.items():
+        for cpath, options in paths_.items():
             if options is None:
                 break
             if '.' in cpath:
@@ -1172,7 +1172,7 @@ def check_all(cfg, paths, path, meta, multi, default, default_multi, require, co
                 kwargs['default'] = None
         if is_dyn and dyns:
             idx = 0
-            for cpath in list(paths.keys())[len(dyns):]:
+            for cpath in list(paths_.keys())[len(dyns):]:
                 if dyns[idx]:
                     dico[cpath] = default_value
                     if symlink:
@@ -1227,7 +1227,7 @@ def check_all(cfg, paths, path, meta, multi, default, default_multi, require, co
                 dico[cpath + 'extraoptconsistency'] = value
                 dico_value[cpath + 'extraoptconsistency'] = value
         if is_master:
-            for cpath in list(paths.keys())[len(dyns):]:
+            for cpath in list(paths_.keys())[len(dyns):]:
                 if cpath.endswith('.first') or cpath.endswith('.firstval1') or cpath.endswith('.firstval2'):
                     second_path = cpath.rsplit('.', 1)[0] + '.second'
                     third_path = cpath.rsplit('.', 1)[0] + '.third'
@@ -1698,6 +1698,8 @@ def paths(request):
 
 def test_options(paths):
     def get_kwargs_option(options, kwargs, od=False):
+        if options.get('mandatory', False):
+            kwargs['mandatory'] = True
         if options.get('hidden', False) is True:
             kwargs['permissive'] = True
             if not od:

test/test_config.py

@@ -163,8 +163,8 @@ def test_config_impl_get_path_by_opt():
     descr = make_description()
     config = Config(descr)
     api = getapi(config)
-    dummy = api.option.get('gc.dummy')
+    dummy = api.option('gc.dummy').option.get()
-    boo = api.option.get('bool')
+    boo = api.option('bool').option.get()
     unknown = IntOption('test', '')
     unknown
     assert config.cfgimpl_get_description().impl_get_path_by_opt(boo) == 'bool'

test/test_config_api.py

@@ -165,17 +165,17 @@ def test_find_in_config():
     api.permissive.set(frozenset(['hidden']))
     ret = api.option.find('dummy')
     assert len(ret) == 1
-    _is_same_opt(ret[0], api.option.get('gc.dummy'))
+    _is_same_opt(ret[0], api.option('gc.dummy').option.get())
     #
-    ret = api.option.find_first('dummy')
+    ret = api.option.find('dummy', first=True)
-    _is_same_opt(ret, api.option.get('gc.dummy'))
+    _is_same_opt(ret, api.option('gc.dummy').option.get())
     #
     ret = api.option.find('float')
     assert len(ret) == 2
-    _is_same_opt(ret[0], api.option.get('gc.float'))
+    _is_same_opt(ret[0], api.option('gc.float').option.get())
-    _is_same_opt(ret[1], api.option.get('float'))
+    _is_same_opt(ret[1], api.option('float').option.get())
     #
-    _is_same_opt(api.option.find_first('bool'), api.option.get('gc.gc2.bool'))
+    _is_same_opt(api.option.find('bool', first=True), api.option('gc.gc2.bool').option.get())
     #_is_same_opt(conf.find_first(byname='bool', byvalue=True), conf.unwrap_from_path('bool'))
     #_is_same_opt(conf.find_first(byname='dummy'), conf.unwrap_from_path('gc.dummy'))
     #_is_same_opt(conf.find_first(byname='float'), conf.unwrap_from_path('gc.float'))
@@ -385,3 +385,12 @@ def test_invalid_option():
     raises(ValueError, "BroadcastOption('a', '', multi=True, default_multi='string')")
     raises(ValueError, "DomainnameOption('a', '', multi=True, default_multi='string')")
     raises(ValueError, "DomainnameOption('a', '', multi=True, default_multi=1)")
+
+
+def test_help():
+    stro = StrOption('s', '', multi=True)
+    od1 = OptionDescription('o', '', [stro])
+    od2 = OptionDescription('o', '', [od1])
+    cfg = Config(od2)
+    api = getapi(cfg)
+    api.help(_display=False, _valid=True)

test/test_dyn_optiondescription.py

@@ -639,8 +639,8 @@ def test_find_dyndescription_context():
     od2 = OptionDescription('od', '', [od])
     api = getapi(Config(od2))
     api.option('od.dodval1.stval1').value.set('yes')
-    assert api.option.find_first('stval1', type='value') == "yes"
+    assert api.option.find('stval1', type='value', first=True) == "yes"
-    assert isinstance(api.option.find_first('stval1', type='option'), DynSymLinkOption)
+    assert isinstance(api.option.find('stval1', type='option', first=True), DynSymLinkOption)
     #assert api.option.find(bytype=StrOption, type='path') == ['od.dodval1.stval1', 'od.dodval2.stval2', 'od.val1']
     #opts = api.option.find(byvalue='yes')
     #assert len(opts) == 1

test/test_metaconfig.py

@@ -127,7 +127,7 @@ def test_contexts():
 def test_find():
     api = make_metaconfig()
     assert [1] == api.option.find('i2', type='value')
-    assert 1 == api.option.find_first('i2', type='value')
+    assert 1 == api.option.find('i2', type='value', first=True)
     assert api.option.make_dict() == {'od1.i4': 2, 'od1.i1': None, 'od1.i3': None,
                                       'od1.i2': 1, 'od1.i5': [2]}
 
@@ -203,15 +203,15 @@ def test_meta_meta_set():
     conf1 = meta.getconfig('conf1')
     conf2 = meta.getconfig('conf2')
     assert api.config('meta.conf1').option('od1.i1').value.get() == api.config('meta.conf2').option('od1.i1').value.get() == 7
-    assert [conf1, conf2] == api.config.find_first('i1', byvalue=7).cfgimpl_get_children()
+    assert [conf1, conf2] == api.config.find('i1', byvalue=7, first=True).cfgimpl_get_children()
     api.config('meta.conf1').option('od1.i1').value.set(8)
-    assert [conf1, conf2] == api.config.find_first('i1').cfgimpl_get_children()
+    assert [conf1, conf2] == api.config.find('i1', first=True).cfgimpl_get_children()
-    assert [conf2] == api.config.find_first('i1', byvalue=7).cfgimpl_get_children()
+    assert [conf2] == api.config.find('i1', byvalue=7, first=True).cfgimpl_get_children()
-    assert [conf1] == api.config.find_first('i1', byvalue=8).cfgimpl_get_children()
+    assert [conf1] == api.config.find('i1', byvalue=8, first=True).cfgimpl_get_children()
-    assert [conf1, conf2] == api.config.find_first('i5', byvalue=2).cfgimpl_get_children()
+    assert [conf1, conf2] == api.config.find('i5', byvalue=2, first=True).cfgimpl_get_children()
-    raises(AttributeError, "api.config.find_first('i1', byvalue=10)")
+    raises(AttributeError, "api.config.find('i1', byvalue=10, first=True)")
-    raises(AttributeError, "api.config.find_first('not', byvalue=10)")
+    raises(AttributeError, "api.config.find('not', byvalue=10, first=True)")
-    raises(AttributeError, "api.config.find_first('i6')")
+    raises(AttributeError, "api.config.find('i6', first=True)")
     raises(ValueError, "api.value.set('od1.i6', 7, only_config=True, force_default=True)")
     raises(ValueError, "api.value.set('od1.i6', 7, only_config=True, force_default_if_same=True)")
     raises(ValueError, "api.value.set('od1.i6', 7, only_config=True, force_dont_change_value=True)")
@@ -246,7 +246,7 @@ def test_group_find_firsts():
     conf2 = Config(od2, session_id='conf2')
     grp = GroupConfig([conf1, conf2])
     api = getapi(grp)
-    assert [conf1, conf2] == api.config.find_first('i1').cfgimpl_get_children()
+    assert [conf1, conf2] == api.config.find('i1', first=True).cfgimpl_get_children()
 
 
 def test_group_group():
@@ -295,13 +295,13 @@ def test_meta_master_slaves():
     conf2 = Config(od, session_id='conf2')
     api = getapi(MetaConfig([conf1, conf2]))
     api.property.read_only()
-    assert [conf1, conf2] == api.config.find_first('ip_admin_eth0').cfgimpl_get_children()
+    assert [conf1, conf2] == api.config.find('ip_admin_eth0', first=True).cfgimpl_get_children()
-    assert [conf1, conf2] == api.config.find_first('netmask_admin_eth0').cfgimpl_get_children()
+    assert [conf1, conf2] == api.config.find('netmask_admin_eth0', first=True).cfgimpl_get_children()
     api.property.read_write()
-    raises(AttributeError, "api.config.find_first('netmask_admin_eth0')")
+    raises(AttributeError, "api.config.find('netmask_admin_eth0', first=True)")
-    assert [conf1, conf2] == api.unrestraint.config.find_first('netmask_admin_eth0').cfgimpl_get_children()
+    assert [conf1, conf2] == api.unrestraint.config.find('netmask_admin_eth0', first=True).cfgimpl_get_children()
     api.property.read_only()
-    assert [conf1, conf2] == api.config.find_first('netmask_admin_eth0').cfgimpl_get_children()
+    assert [conf1, conf2] == api.config.find('netmask_admin_eth0', first=True).cfgimpl_get_children()
 
 
 def test_meta_master_slaves_value2():

test/test_option_setting.py

@@ -384,8 +384,8 @@ def test_access_by_get():
     descr = make_description()
     api = getapi(Config(descr))
     raises(AttributeError, "api.option.find('idontexist')")
-    assert api.option.find_first('wantref', type='value') is False
+    assert api.option.find('wantref', type='value', first=True) is False
-    assert api.option.find_first('dummy', type='value') is False
+    assert api.option.find('dummy', type='value', first=True) is False
 
 
 def test_access_by_get_whith_hide():

test/test_parsing_group.py

@@ -52,7 +52,7 @@ def test_base_config():
     api.property.read_write()
     assert api.option('creole.general.activer_proxy_client').value.get() is False
     assert api.option('creole.general.nom_machine').value.get() == "eoleng"
-    assert api.option.find_first('nom_machine', type='value') == "eoleng"
+    assert api.option.find('nom_machine', type='value', first=True) == "eoleng"
     result = {'general.numero_etab': None, 'general.nombre_interfaces': 1,
               'general.serveur_ntp': [], 'interface1.ip_admin_eth0.ip_admin_eth0': None,
               'general.mode_conteneur_actif': False, 'general.time_zone': 'Paris',

tiramisu/api.py

@@ -14,7 +14,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 # ____________________________________________________________
-from inspect import ismethod, getdoc
+from inspect import ismethod, getdoc, signature
 from .error import APIError, ConfigError, SlaveError
 from .i18n import _
 from .setting import ConfigBag, owners, undefined, FORBIDDEN_SET_PROPERTIES
@@ -36,6 +36,9 @@ COUNT_TIME = False
 #COUNT_TIME = {}
 
 
+EXCLUDE_HELP = ('help', '_get_option', '_test_slave_index')
+
+
 def count(func):
     global MOD_COUNT_TIME
     class_name = func.__str__().split()[1].split('.')[0]
@@ -80,8 +83,76 @@ def display_count():
         MOD_COUNT_TIME = deepcopy(COUNT_TIME)
 
 
-class CommonTiramisu(object):
+class TiramisuHelp:
+    icon = '\u2937'
+    tmpl_help = '{0}{1} {2}: \n{0}   {3}\n'
+
+    def help(self,
+             init=True,
+             space="",
+             root='',
+             _display=True,
+             _valid=False):
+        options = []
+        if init and isinstance(self, TiramisuAPI):
+            options.append(self.tmpl_help.format(space, self.icon, root + 'unrestraint', _('access to option without property restriction')))
+            options.append(self.tmpl_help.format(space, self.icon, root + 'forcepermissive', _('access to option without verifying permissive property')))
+            root = '[unrestraint.|forcepermissive.]'
+        modules = list(self.registers.keys())
+        modules.sort()
+        for module_name in modules:
+            module = self.registers[module_name]
+            instance_module = module(None)
+            if isinstance(instance_module, TiramisuDispatcher):
+                if _valid and not getdoc(module.__call__):
+                    raise Exception('unknown doc for {}'.format('__call__'))
+                module_doc = _(getdoc(module.__call__))
+                module_signature = signature(module.__call__)
+                module_args = [str(module_signature.parameters[key]) for key in list(module_signature.parameters.keys())[1:]]
+                module_args = '(' + ', '.join(module_args) + ')'
+                options.append(self.tmpl_help.format(space, self.icon, root + module_name + module_args, module_doc))
+                if hasattr(module, 'subhelp'):
+                    instance_submodule = module.subhelp(None, None, None, None, None)
+                    options.extend(instance_submodule.help(init=False, space=space + '  ', root=root + module_name + module_args + '.'))
+                else:
+                    root = root + '[config(path).]'
+            if isinstance(instance_module, CommonTiramisuOption):
+                if _valid and not getdoc(module):
+                    raise Exception('unknown doc for {}'.format(module.__class__.__name__))
+                module_doc = _(getdoc(module))
+                options.append(self.tmpl_help.format(space, self.icon, root + module_name, module_doc))
+            if isinstance(instance_module, TiramisuContext):
+                if _valid and not getdoc(module):
+                    raise Exception('unknown doc for {}'.format(module.__class__.__name__))
+                module_doc = _(getdoc(module))
+                options.append(self.tmpl_help.format(space, self.icon, root + module_name, module_doc))
+            options.extend(instance_module.help(init=False, space=space + '  ', root=root + '{}.'.format(module_name)))
+
+        funcs = dir(self)
+        funcs.sort()
+        for func_name in funcs:
+            if not func_name.startswith('__') and not func_name in EXCLUDE_HELP:
+                func = getattr(self, func_name)
+                if ismethod(func):
+                    module_signature = signature(func)
+                    module_args = list(module_signature.parameters.keys())
+                    module_args = [str(module_signature.parameters[key]) for key in module_signature.parameters.keys()]
+                    module_args = '(' + ', '.join(module_args) + ')'
+                    if func_name.startswith('_'):
+                        func_name = func_name[1:]
+                    if _valid and not getdoc(func):
+                        raise Exception('unknown doc for {}'.format(func.__name__))
+                    options.append(self.tmpl_help.format(space, self.icon, root + func_name + module_args, _(getdoc(func))))
+        if init:
+            if _display:
+                print('\n'.join(options))
+        else:
+            return options
+
+
+class CommonTiramisu(TiramisuHelp):
     allow_optiondescription = True
+    registers = {}
 
     def _get_option(self):
         option = self.config_bag.option
@@ -108,27 +179,22 @@ class CommonTiramisu(object):
 
 
 class CommonTiramisuOption(CommonTiramisu):
-    icon = '\u2937'
-    tmpl_help = u'  {} {}: {}'
-    allow_unrestraint = False
     allow_optiondescription = False
     slave_need_index = True
 
     def __init__(self,
                  name,
-                 path,
+                 path=None,
-                 index,
+                 index=None,
-                 subconfig,
+                 subconfig=None,
-                 config_bag):
+                 config_bag=None):
         self.path = path
         self.index = index
         self.config_bag = config_bag
         self._name = name
         self.subconfig = subconfig
-        if self.slave_need_index:
+        if config_bag is not None and self.slave_need_index:
             self._test_slave_index()
-        if not self.allow_unrestraint and self.config_bag.force_unrestraint:
-            self._unrestraint_not_allowed(self.config_bag.force_unrestraint)
 
     def _test_slave_index(self):
         option = self._get_option()
@@ -138,37 +204,21 @@ class CommonTiramisuOption(CommonTiramisu):
             elif self.index is not None and not option.impl_is_master_slaves('slave'):
                 raise APIError('index must be set only with a slave option')
 
-    def _unrestraint_not_allowed(self, force_unrestraint):
-        name = self.__class__.__name__[14:].lower()
-        raise APIError(_('{} cannot be unrestraint').format(name))
-
     def __getattr__(self, name):
-        if name == 'help':
-            return self._help()
-        else:
         if not hasattr(CommonTiramisuOption, name):
             raise APIError(_('unknown method {}').format(name))
         else:
             super().__getattribute__(name)
 
-    def _help(self):
-        txt = []
-        for func_name in dir(self):
-            if not func_name.startswith('_'):
-                func = getattr(self, func_name)
-                if ismethod(func):
-                    txt.append(self.tmpl_help.format(self.icon, func_name, getdoc(func)))
-        return '\n'.join(txt)
-
 
 class TiramisuOptionOption(CommonTiramisuOption):
-    """get information from an option"""
+    """manage option"""
-    allow_unrestraint = True
     allow_optiondescription = True
     slave_need_index = False
 
     @count
     def get(self):
+        """get Tiramisu option"""
         return self._get_option()
 
     @count
@@ -203,41 +253,49 @@ class TiramisuOptionOption(CommonTiramisuOption):
 
     @count
     def doc(self):
+        """get option document"""
         option = self._get_option()
         return option.impl_get_display_name()
 
     @count
     def name(self):
+        """get option name"""
         self._get_option()
         return self._name
 
     @count
     def _default(self):
+        """get default value for an option (not for optiondescription)"""
         option = self._get_option()
         return option.impl_getdefault()
 
     @count
     def _defaultmulti(self):
+        """get default value when added a value for a multi option (not for optiondescription)"""
         option = self._get_option()
         return option.impl_getdefault_multi()
 
     @count
     def has_dependency(self, self_is_dep=True):
+        """test if option has dependency"""
         option = self._get_option()
         return option.impl_has_dependency(self_is_dep)
 
     @count
     def _consistencies(self):
+        """get consistencies for an option (not for optiondescription)"""
         option = self._get_option()
         return option.get_consistencies()
 
     @count
     def _callbacks(self):
+        """get callbacks for an option (not for optiondescription)"""
         option = self._get_option()
         return option.impl_get_callback()
 
     @count
     def requires(self):
+        """get requires for an option"""
         option = self._get_option()
         return option.impl_getrequires()
 
@@ -251,25 +309,26 @@ class TiramisuOptionOption(CommonTiramisuOption):
         raise APIError(_('{} is unknown').format(name))
 
     def isoptiondescription(self):
+        """test if option is an optiondescription"""
         return self._get_option().impl_is_optiondescription()
 
 
 class TiramisuOptionOwner(CommonTiramisuOption):
     """manager option's owner"""
-    allow_unrestraint = True
 
     def __init__(self,
                  name,
-                 path,
+                 path=None,
-                 index,
+                 index=None,
-                 subconfig,
+                 subconfig=None,
-                 config_bag):
+                 config_bag=None):
 
         super().__init__(name,
                          path,
                          index,
                          subconfig,
                          config_bag)
+        if config_bag:
             self.values = self.config_bag.config.cfgimpl_get_values()
 
     @count
@@ -309,24 +368,25 @@ class TiramisuOptionOwner(CommonTiramisuOption):
 class TiramisuOptionProperty(CommonTiramisuOption):
     """manager option's property"""
     allow_optiondescription = True
-    allow_unrestraint = True
     slave_need_index = False
 
     def __init__(self,
                  name,
-                 path,
+                 path=None,
-                 index,
+                 index=None,
-                 subconfig,
+                 subconfig=None,
-                 config_bag):
+                 config_bag=None):
         super().__init__(name,
                          path,
                          index,
                          subconfig,
                          config_bag)
+        if config_bag:
             self.settings = config_bag.config.cfgimpl_get_settings()
 
     @count
     def get(self, apply_requires=True):
+        """get properties for an option"""
         self._get_option()
         if apply_requires:
             self._test_slave_index()
@@ -340,6 +400,7 @@ class TiramisuOptionProperty(CommonTiramisuOption):
 
     @count
     def add(self, prop):
+        """add new property for an option"""
         self._get_option()
         if prop in FORBIDDEN_SET_PROPERTIES:
             raise ConfigError(_('cannot add this property: "{0}"').format(
@@ -354,6 +415,7 @@ class TiramisuOptionProperty(CommonTiramisuOption):
 
     @count
     def pop(self, prop):
+        """remove new property for an option"""
         self._get_option()
         props = self.settings.getproperties(self.path,
                                             self.index,
@@ -365,8 +427,7 @@ class TiramisuOptionProperty(CommonTiramisuOption):
 
     @count
     def reset(self):
-        """reset all personalised properties
+        """reset all personalised properties"""
-        """
         self._get_option()
         self.settings.reset(opt=self.config_bag.option,
                             path=self.path)
@@ -374,26 +435,26 @@ class TiramisuOptionProperty(CommonTiramisuOption):
 
 class TiramisuOptionPermissive(CommonTiramisuOption):
     """manager option's property"""
-    allow_unrestraint = True
     allow_optiondescription = True
     slave_need_index = False
 
     def __init__(self,
                  name,
-                 path,
+                 path=None,
-                 index,
+                 index=None,
-                 subconfig,
+                 subconfig=None,
-                 config_bag):
+                 config_bag=None):
         super().__init__(name,
                          path,
                          index,
                          subconfig,
                          config_bag)
+        if config_bag:
             self.settings = config_bag.config.cfgimpl_get_settings()
 
     @count
     def get(self):
-        """get permissive value for a specified path"""
+        """get permissives value"""
         if TIRAMISU_VERSION == 2:
             args = [self.setting_properties, self._path]
         else:
@@ -402,6 +463,7 @@ class TiramisuOptionPermissive(CommonTiramisuOption):
 
     @count
     def set(self, permissives):
+        """set permissives value"""
         if TIRAMISU_VERSION == 2:
             permissives = tuple(permissives)
             path = self._path
@@ -418,29 +480,39 @@ class TiramisuOptionPermissive(CommonTiramisuOption):
 
     @count
     def reset(self, path):
-        """reset all personalised permissive
+        """reset all personalised permissive"""
-        """
         self.set(tuple())
 
 
 class TiramisuOptionInformation(CommonTiramisuOption):
-    allow_unrestraint = True
+    """manage option informations"""
     allow_optiondescription = True
     slave_need_index = False
 
     @count
     def get(self, name, default=undefined):
+        """get information for a key name"""
         option = self._get_option()
         return option.impl_get_information(name, default)
 
+    @count
+    def set(self, name, value):
+        """set information for a key name"""
+        self.config_bag.config.impl_set_information(name, value)
+
+    @count
+    def reset(self, name):
+        """remove information for a key name"""
+        self.config_bag.config.impl_del_information(name)
+
 
 class TiramisuOptionValue(CommonTiramisuOption):
     """manager option's value"""
     slave_need_index = False
-    allow_unrestraint = True
 
     @count
     def get(self):
+        """get option's value"""
         self._get_option()
         self._test_slave_index()
         settings = self.config_bag.config.cfgimpl_get_settings()
@@ -475,8 +547,7 @@ class TiramisuOptionValue(CommonTiramisuOption):
 
     @count
     def _pop(self, index):
-        """pop value for a specified master values
+        """pop value for a master option (only for master option)"""
-        """
         self._get_option()
         self.config_bag.config.delattr(self.path,
                                        index,
@@ -493,6 +564,7 @@ class TiramisuOptionValue(CommonTiramisuOption):
 
     @count
     def _len(self):
+        """length of slave option (only for slave option)"""
         self._get_option()
         subconfig_path = self.path.rsplit('.', 1)[0]
         if self.config_bag.setting_properties is not None:
@@ -516,6 +588,7 @@ class TiramisuOptionValue(CommonTiramisuOption):
 
     @count
     def _list(self):
+        """all values available for an option (only for choiceoption)"""
         return self.config_bag.option.impl_get_values(self.config_bag)
 
 
@@ -528,15 +601,12 @@ def registers(registers, prefix):
 
 
 class TiramisuOption(CommonTiramisu):
-    icon = '\u2937'
-    tmpl_help = ' {} {}: {}'
-
     def __init__(self,
                  name,
-                 path,
+                 path=None,
-                 index,
+                 index=None,
-                 subconfig,
+                 subconfig=None,
-                 config_bag):
+                 config_bag=None):
 
         self._name = name
         self.subconfig = subconfig
@@ -546,14 +616,6 @@ class TiramisuOption(CommonTiramisu):
         self.registers = {}
         registers(self.registers, self.__class__.__name__)
 
-    def _help(self):
-        txt = []
-        for module_name, module in self.registers.items():
-            module_doc = getdoc(module)
-            txt.append(self.tmpl_help.format(self.icon, module_name, module_doc))
-            txt.append(module(None, None).help)
-        return '\n'.join(txt)
-
     def __getattr__(self, subfunc):
         if subfunc in self.registers:
             return self.registers[subfunc](self._name,
@@ -561,8 +623,6 @@ class TiramisuOption(CommonTiramisu):
                                            self.index,
                                            self.subconfig,
                                            self.config_bag)
-        elif subfunc == 'help':
-            return self._help()
         elif subfunc == 'make_dict' and self._get_option().impl_is_optiondescription():
             return self._make_dict
         elif subfunc == 'list' and self._get_option().impl_is_optiondescription():
@@ -578,6 +638,7 @@ class TiramisuOption(CommonTiramisu):
                    withvalue=undefined,
                    withoption=None,
                    fullpath=False):
+        """return dict with path as key and value for an optiondescription (only for optiondescription)"""
         return self.config_bag.config.getattr(self.path,
                                               None,
                                               self.config_bag).make_dict(config_bag=self.config_bag,
@@ -587,13 +648,15 @@ class TiramisuOption(CommonTiramisu):
                                                                          withvalue=withvalue)
 
     @count
-    def group_type(self):
+    def _group_type(self):
+        """get type for an optiondescription (only for optiondescription)"""
         return self._get_option().impl_get_group_type()
 
     @count
     def _list(self,
               type='all',
               group_type=None):
+        """list options in an optiondescription (only for optiondescription)"""
         if type == 'optiondescription':
             return self.config_bag.config.getattr(self.path,
                                                   None,
@@ -608,29 +671,37 @@ class TiramisuOption(CommonTiramisu):
             raise APIError(_('unknown list type {}').format(type))
 
 
-class TiramisuContext(object):
+class TiramisuContext(TiramisuHelp):
     def __init__(self,
                  config_bag):
         self.config_bag = config_bag
+        self.registers = {}
+        registers(self.registers, self.__class__.__name__)
 
 
 class TiramisuContextInformation(TiramisuContext):
+    """manage configuration informations"""
     @count
     def get(self, name, default=undefined):
+        """get information for a key name"""
         return self.config_bag.config.impl_get_information(name, default)
 
     @count
     def set(self, name, value):
+        """set information for a key name"""
         self.config_bag.config.impl_set_information(name, value)
 
     @count
     def reset(self, name):
+        """remove information for a key name"""
         self.config_bag.config.impl_del_information(name)
 
 
 class TiramisuContextValue(TiramisuContext):
+    """manager value"""
     @count
     def mandatory_warnings(self):
+        """return path of options with mandatory property without any value"""
         return self.config_bag.config.cfgimpl_get_values().mandatory_warnings(self.config_bag)
 
     def set(self,
@@ -641,6 +712,7 @@ class TiramisuContextValue(TiramisuContext):
             force_default=undefined,
             force_default_if_same=undefined,
             force_dont_change_value=undefined):
+        """set values for a GroupConfig or a MetaConfig"""
         kwargs = {}
         if only_config is not undefined:
             kwargs['only_config'] = only_config
@@ -659,24 +731,31 @@ class TiramisuContextValue(TiramisuContext):
     @count
     def reset(self,
               path):
+        """reset value for a GroupConfig or a MetaConfig"""
         self.config_bag.config.reset(path, self.config_bag)
 
     @count
     def exportation(self):
+        """export all values"""
         return self.config_bag.config.cfgimpl_get_values()._p_.exportation()
 
     @count
     def importation(self, values):
+        """import values"""
         return self.config_bag.config.cfgimpl_get_values()._p_.importation(values)
 
 
 class TiramisuContextOwner(TiramisuContext):
+    """manager value"""
+
     @count
     def get(self):
+        """get default owner"""
         return self.config_bag.config.cfgimpl_get_settings().getowner()
 
     @count
     def set(self, owner):
+        """set default owner"""
         try:
             obj_owner = getattr(owners, owner)
         except AttributeError:
@@ -686,14 +765,18 @@ class TiramisuContextOwner(TiramisuContext):
 
 
 class TiramisuContextProperty(TiramisuContext):
+    """manage configuration properties"""
+
     @count
     def read_only(self):
+        """set configuration to read only mode"""
         settings = self.config_bag.config.cfgimpl_get_settings()
         settings.read_only()
         self.config_bag.setting_properties = settings.get_context_properties()
 
     @count
     def read_write(self):
+        """set configuration to read and write mode"""
         settings = self.config_bag.config.cfgimpl_get_settings()
         settings.read_write()
 #        #FIXME ?
@@ -703,6 +786,7 @@ class TiramisuContextProperty(TiramisuContext):
 
     @count
     def add(self, prop):
+        """add a configuration property"""
         props = self.get()
         props.add(prop)
         self.set(frozenset(props))
@@ -710,6 +794,7 @@ class TiramisuContextProperty(TiramisuContext):
 
     @count
     def pop(self, prop):
+        """remove a configuration property"""
         props = self.get()
         if prop in props:
             props.remove(prop)
@@ -718,68 +803,83 @@ class TiramisuContextProperty(TiramisuContext):
 
     @count
     def get(self):
+        """get all configuration properties"""
         return set(self.config_bag.setting_properties)
 
     @count
     def set(self, props):
+        """personalise configuration properties"""
         self.config_bag.config.cfgimpl_get_settings().set_context_properties(props)
         self.config_bag.setting_properties = self.config_bag.config.cfgimpl_get_settings().get_context_properties()
 
     @count
     def reset(self):
+        """remove configuration properties"""
         self.config_bag.config.cfgimpl_get_settings().reset()
 
     @count
     def exportation(self):
+        """export configuration properties"""
         return self.config_bag.config.cfgimpl_get_settings()._p_.exportation()
 
     @count
     def importation(self, properties):
+        """import configuration properties"""
         return self.config_bag.config.cfgimpl_get_settings()._p_.importation(properties)
 
 
 class TiramisuContextPermissive(TiramisuContext):
+    """manage configuration permissives"""
+
+    @count
+    def get(self):
+        """get configuration permissives"""
+        self.config_bag.config.cfgimpl_get_settings().get_context_permissive(permissives)
 
     @count
     def set(self, permissives):
+        """set configuration permissives"""
         self.config_bag.config.cfgimpl_get_settings().set_context_permissive(permissives)
 
     @count
     def exportation(self):
+        """export configuration permissives"""
         return self.config_bag.config.cfgimpl_get_settings()._pp_.exportation()
 
     @count
     def importation(self, permissives):
+        """import configuration permissives"""
         return self.config_bag.config.cfgimpl_get_settings()._pp_.importation(permissives)
 
 
 
 class TiramisuContextOption(TiramisuContext):
-    @count
+    """manage option"""
-    def find_first(self,
-                   name,
-                   type='option'):
-        check_properties = self.config_bag.force_unrestraint or self.config_bag.force_unrestraint
-        return self.config_bag.config.find_first(byname=name,
-                                                 type_=type,
-                                                 config_bag=self.config_bag)
 
     @count
     def find(self,
              name,
-             type='option'):
+             type='option',
+             first=False):
+        """find an option by name"""
+        if first:
+            return self.config_bag.config.find_first(byname=name,
+                                                     type_=type,
+                                                     config_bag=self.config_bag)
+        else:
             return self.config_bag.config.find(byname=name,
                                                type_=type,
                                                config_bag=self.config_bag)
 
-    @count
+    #@count
-    def get(self, path):
+    #def get(self, path):
-        config_bag = self.config_bag.copy()
+    #    """"""
-        config_bag.validate = False
+    #    config_bag = self.config_bag.copy()
-        config_bag.force_unrestraint = True
+    #    config_bag.validate = False
-        config_bag.setting_properties = None
+    #    config_bag.force_unrestraint = True
-        return self.config_bag.config.unwrap_from_path(path,
+    #    config_bag.setting_properties = None
-                                                       config_bag)
+    #    return self.config_bag.config.unwrap_from_path(path,
+    #                                                   config_bag)
 
     @count
     def make_dict(self,
@@ -787,6 +887,7 @@ class TiramisuContextOption(TiramisuContext):
                   withvalue=undefined,
                   withoption=None,
                   fullpath=False):
+        """return dict with path as key and value"""
         return self.config_bag.config.make_dict(self.config_bag,
                                                 flatten=flatten,
                                                 fullpath=fullpath,
@@ -798,6 +899,7 @@ class TiramisuContextOption(TiramisuContext):
              type='all',
              group_type=None,
              recursive=False):
+        """list content of an optiondescription"""
         if type == 'optiondescription':
             if recursive:
                 raise APIError(_('not implemented yet'))
@@ -818,16 +920,27 @@ class TiramisuContextOption(TiramisuContext):
 
 
 class TiramisuContextConfig(TiramisuContext):
-    def find_first(self,
+    """configuration methods"""
+    def find(self,
              name,
-                   byvalue=undefined):
+             byvalue=undefined,
+             first=False):
+        """find a path from option name and optionnaly a value to MetaConfig or GroupConfig"""
+        if first:
             return self.config_bag.config.find_firsts(byname=name,
                                                       byvalue=byvalue,
                                                       config_bag=self.config_bag)
+        else:
+            raise APIError('not implemented yet')
 
 
-class TiramisuDispatcherConfig(TiramisuContextConfig):
+class TiramisuDispatcher:
+    pass
+
+
+class TiramisuDispatcherConfig(TiramisuDispatcher, TiramisuContextConfig):
     def __call__(self, path):
+        """select a child Tiramisu configuration (only with MetaConfig or GroupConfig)"""
         config = self.config_bag.config
         if path is None:
             return TiramisuAPI(config,
@@ -841,8 +954,10 @@ class TiramisuDispatcherConfig(TiramisuContextConfig):
                            force_unrestraint=self.config_bag.force_unrestraint)
 
 
-class TiramisuDispatcherOption(TiramisuContextOption):
+class TiramisuDispatcherOption(TiramisuDispatcher, TiramisuContextOption):
+    subhelp = TiramisuOption
     def __call__(self, path, index=None):
+        """select a option (index only for slave option)"""
         config_bag = self.config_bag.copy()
         validate = not config_bag.force_unrestraint
         if not validate:
@@ -856,9 +971,7 @@ class TiramisuDispatcherOption(TiramisuContextOption):
                               config_bag)
 
 
-class TiramisuAPI(object):
+class TiramisuAPI(TiramisuHelp):
-    icon = '\u2937'
-    tmpl_help = ' {} {}: {}'
 
     def __init__(self,
                  config,
@@ -880,8 +993,6 @@ class TiramisuAPI(object):
             return TiramisuAPI(config=self._config,
                                force_permissive=self.force_permissive,
                                force_unrestraint=True)
-        elif subfunc == 'help':
-            return self._help()
         elif subfunc in self.registers:
             config_bag = ConfigBag(config=self._config,
                                    force_permissive=self.force_permissive,
@@ -890,14 +1001,6 @@ class TiramisuAPI(object):
         else:
             raise APIError(_('please specify a valid sub function ({})').format(subfunc))
 
-    def _help(self):
-        txt = ['[forcepermissive]']
-        for module_name, module in self.registers.items():
-            module_doc = getdoc(module)
-            txt.append(self.tmpl_help.format(self.icon, module_name, module_doc))
-            txt.append(module(None, None).help)
-        return '\n'.join(txt)
-
 
 @count
 def getapi(config):

tiramisu/setting.py

@@ -269,7 +269,10 @@ forbidden_owners = (owners.default, owners.forced, owners.meta)
 
 # ____________________________________________________________
 class Undefined(object):
-    pass
+    def __str__(self):
+        return 'Undefined'
+
+    __repr__ = __str__
 
 
 undefined = Undefined()