Important behavior change in callback with multi.

Before, tiramisu iterable multi's callback_params in all cases.
Now, this append only if multi's callback_params are in master/slave group.

test/test_option_calculation.py

@@ -21,7 +21,13 @@ def return_list(value=None):
 
 
 def return_list2(*args):
-    return list(args)
+    l = []
+    for arg in args:
+        if isinstance(arg, list):
+            l.extend(arg)
+        else:
+            l.append(arg)
+    return l
 
 
 def return_value(value=None):
@@ -34,6 +40,10 @@ def return_value2(*args, **kwargs):
     return value
 
 
+def return_calc(i, j, k):
+    return i + j + k
+
+
 def make_description():
     gcoption = ChoiceOption('name', 'GC name', ('ref', 'framework'), 'ref')
     gcdummy = BoolOption('dummy', 'dummy', default=False)
@@ -93,83 +103,6 @@ def test_identical_paths():
     raises(ConflictError, "make_description_duplicates()")
 
 
-def make_description2():
-    gcoption = ChoiceOption('name', 'GC name', ['ref', 'framework'], 'ref')
-    gcdummy = BoolOption('dummy', 'dummy', default=False)
-
-    floatoption = FloatOption('float', 'Test float option', default=2.3)
-
-    objspaceoption = ChoiceOption('objspace', 'Object space',
-                                  ['std', 'thunk'], 'std')
-    booloption = BoolOption('bool', 'Test boolean option', default=True)
-    intoption = IntOption('int', 'Test int option', default=0)
-    stroption = StrOption('str', 'Test string option', default="abc")
-    # first multi
-    boolop = BoolOption('boolop', 'Test boolean option op', default=True)
-    boolop.enable_multi()
-    wantref_option = BoolOption('wantref', 'Test requires', default=False,
-                                requires=({'option': boolop, 'expected': True, 'action': 'hidden'},))
-    # second multi
-    wantframework_option = BoolOption('wantframework', 'Test requires',
-                                      default=False,
-                                      requires=({'option': boolop, 'expected': True, 'action': 'hidden'},))
-    wantframework_option.enable_multi()
-
-    gcgroup = OptionDescription('gc', '', [gcoption, gcdummy, floatoption])
-    descr = OptionDescription('constraints', '', [gcgroup, booloption, objspaceoption,
-                              wantref_option, stroption,
-                              wantframework_option,
-                              intoption, boolop])
-    return descr
-
-
-# FIXME: il faudra tester les validations sur les multis
-#def test_multi_constraints():
-#    "a multi in a constraint has to have the same length"
-#    descr = make_description2()
-#    cfg = Config(descr)
-#    cfg.boolop = [True, True, False]
-#    cfg.wantframework = [False, False, True]
-#
-#def test_multi_raise():
-#    "a multi in a constraint has to have the same length"
-#    # FIXME fusionner les deux tests, MAIS PROBLEME :
-#    # il ne devrait pas etre necessaire de refaire une config
-#    # si la valeur est modifiee une deuxieme fois ->
-#    #raises(ConflictConfigError, "cfg.wantframework = [False, False, True]")
-#    #   ExceptionFailure: 'DID NOT RAISE'
-#    descr = make_description2()
-#    cfg = Config(descr)
-#    cfg.boolop = [True]
-#    raises(ConflictConfigError, "cfg.wantframework = [False, False, True]")
-# ____________________________________________________________
-# adding dynamically new options description schema
-#def test_newoption_add_in_descr():
-#    descr = make_description()
-#    newoption = BoolOption('newoption', 'dummy twoo', default=False)
-#    descr.add_child(newoption)
-#    config = Config(descr)
-#    assert config.newoption == False
-
-#def test_newoption_add_in_subdescr():
-#    descr = make_description()
-#    newoption = BoolOption('newoption', 'dummy twoo', default=False)
-#    descr.gc.add_child(newoption)
-#    config = Config(descr)
-#    config.bool = False
-#    assert config.gc.newoption == False
-
-#def test_newoption_add_in_config():
-#    descr = make_description()
-#    config = Config(descr)
-#    config.bool = False
-#    newoption = BoolOption('newoption', 'dummy twoo', default=False)
-#    descr.add_child(newoption)
-#    config.cfgimpl_update()
-#    assert config.newoption == False
-# ____________________________________________________________
-
-
 def make_description_requires():
     gcoption = ChoiceOption('name', 'GC name', ('ref', 'framework'), 'ref')
     gcdummy = BoolOption('dummy', 'dummy', default=False)
@@ -421,7 +354,7 @@ def test_callback_multi_value():
     cfg.val1.append('new-val2')
     assert cfg.val1 == ['new-val', 'new-val2']
     assert cfg.val2 == ['new-val', 'new-val2']
-    assert cfg.val4 == ['new-val', 'yes', 'new-val2', 'yes']
+    assert cfg.val4 == ['new-val', 'new-val2', 'yes']
     del(cfg.val1)
     assert cfg.val1 == ['val']
     assert cfg.val2 == ['val']
@@ -443,6 +376,14 @@ def test_callback_multi_list():
     assert cfg.val1 == ['val', 'val']
 
 
+def test_callback_multi_list_extend():
+    val1 = StrOption('val1', "", callback=return_list2, callback_params={'': (['1', '2', '3'], ['4', '5'])}, multi=True)
+    maconfig = OptionDescription('rootconfig', '', [val1])
+    cfg = Config(maconfig)
+    cfg.read_write()
+    assert cfg.val1 == ['1', '2', '3', '4', '5']
+
+
 def test_callback_master_and_slaves_master():
     val1 = StrOption('val1', "", multi=True, callback=return_val)
     val2 = StrOption('val2', "", multi=True)
@@ -535,7 +476,8 @@ def test_callback_master_and_slaves_value():
     val3 = StrOption('val3', "", multi=True, callback=return_value, callback_params={'': ('yes',)})
     val4 = StrOption('val4', '', multi=True, default=['val10', 'val11'])
     val5 = StrOption('val5', "", multi=True, callback=return_value, callback_params={'': ((val4, False),)})
-    interface1 = OptionDescription('val1', '', [val1, val2, val3, val5])
+    val6 = StrOption('val6', "", multi=True, callback=return_value, callback_params={'': ((val5, False),)})
+    interface1 = OptionDescription('val1', '', [val1, val2, val3, val5, val6])
     interface1.impl_set_group_type(groups.master)
     maconfig = OptionDescription('rootconfig', '', [interface1, val4])
     cfg = Config(maconfig)
@@ -544,30 +486,35 @@ def test_callback_master_and_slaves_value():
     assert cfg.val1.val2 == []
     assert cfg.val1.val3 == []
     assert cfg.val1.val5 == []
+    assert cfg.val1.val6 == []
     #
     cfg.val1.val1 = ['val1']
     assert cfg.val1.val1 == ['val1']
     assert cfg.val1.val2 == ['val1']
     assert cfg.val1.val3 == ['yes']
     assert cfg.val1.val5 == ['val10']
+    assert cfg.val1.val6 == ['val10']
     #
     cfg.val1.val1.append('val2')
     assert cfg.val1.val1 == ['val1', 'val2']
     assert cfg.val1.val2 == ['val1', 'val2']
     assert cfg.val1.val3 == ['yes', 'yes']
     assert cfg.val1.val5 == ['val10', 'val11']
+    assert cfg.val1.val6 == ['val10', 'val11']
     #
     cfg.val1.val1 = ['val1', 'val2', 'val3']
     assert cfg.val1.val1 == ['val1', 'val2', 'val3']
     assert cfg.val1.val2 == ['val1', 'val2', 'val3']
     assert cfg.val1.val3 == ['yes', 'yes', 'yes']
     assert cfg.val1.val5 == ['val10', 'val11', None]
+    assert cfg.val1.val6 == ['val10', 'val11', None]
     #
     cfg.val1.val1.pop(2)
     assert cfg.val1.val1 == ['val1', 'val2']
     assert cfg.val1.val2 == ['val1', 'val2']
     assert cfg.val1.val3 == ['yes', 'yes']
     assert cfg.val1.val5 == ['val10', 'val11']
+    assert cfg.val1.val6 == ['val10', 'val11']
     #
     cfg.val1.val2 = ['val2', 'val2']
     cfg.val1.val3 = ['val2', 'val2']
@@ -575,11 +522,13 @@ def test_callback_master_and_slaves_value():
     assert cfg.val1.val2 == ['val2', 'val2']
     assert cfg.val1.val3 == ['val2', 'val2']
     assert cfg.val1.val5 == ['val2', 'val2']
+    assert cfg.val1.val6 == ['val2', 'val2']
     #
     cfg.val1.val1.append('val3')
     assert cfg.val1.val2 == ['val2', 'val2', 'val3']
     assert cfg.val1.val3 == ['val2', 'val2', 'yes']
     assert cfg.val1.val5 == ['val2', 'val2', None]
+    assert cfg.val1.val6 == ['val2', 'val2', None]
     cfg.cfgimpl_get_settings().remove('cache')
     cfg.val4 = ['val10', 'val11', 'val12']
     #if value is already set, not updated !
@@ -587,6 +536,69 @@ def test_callback_master_and_slaves_value():
     cfg.val1.val1.append('val3')
     cfg.val1.val1 = ['val1', 'val2', 'val3']
     assert cfg.val1.val5 == ['val2', 'val2', 'val12']
+    assert cfg.val1.val6 == ['val2', 'val2', 'val12']
+
+
+def test_callback_master():
+    val2 = StrOption('val2', "", multi=True, callback=return_value)
+    val1 = StrOption('val1', "", multi=True, callback=return_value, callback_params={'': ((val2, False),)})
+    interface1 = OptionDescription('val1', '', [val1, val2])
+    raises(ValueError, "interface1.impl_set_group_type(groups.master)")
+
+
+def test_callback_master_and_other_master_slave():
+    val1 = StrOption('val1', "", multi=True)
+    val2 = StrOption('val2', "", multi=True)
+    val3 = StrOption('val3', "", multi=True)
+    val4 = StrOption('val4', '', multi=True, default=['val10', 'val11'])
+    val5 = StrOption('val5', "", multi=True, callback=return_value, callback_params={'': ((val1, False),)})
+    val6 = StrOption('val6', "", multi=True, callback=return_value, callback_params={'': ((val2, False),)})
+    interface1 = OptionDescription('val1', '', [val1, val2, val3])
+    interface1.impl_set_group_type(groups.master)
+    interface2 = OptionDescription('val4', '', [val4, val5, val6])
+    interface2.impl_set_group_type(groups.master)
+    maconfig = OptionDescription('rootconfig', '', [interface1, interface2])
+    cfg = Config(maconfig)
+    cfg.read_write()
+    assert cfg.val4.val4 == ['val10', 'val11']
+    assert cfg.val4.val5 == [None, None]
+    assert cfg.val4.val6 == [None, None]
+    cfg.val1.val1 = ['yes']
+    assert cfg.val4.val4 == ['val10', 'val11']
+    assert cfg.val4.val5 == ['yes', None]
+    assert cfg.val4.val6 == [None, None]
+    cfg.val1.val2 = ['no']
+    assert cfg.val4.val4 == ['val10', 'val11']
+    assert cfg.val4.val5 == ['yes', None]
+    assert cfg.val4.val6 == ['no', None]
+    cfg.val1.val1 = ['yes', 'yes', 'yes']
+    cfg.val1.val2 = ['no', 'no', 'no']
+    assert cfg.val4.val4 == ['val10', 'val11']
+    assert cfg.val4.val5 == ['yes', 'yes']
+    assert cfg.val4.val6 == ['no', 'no']
+
+
+def test_callback_different_type():
+    val = IntOption('val', "", default=2)
+    val_ = IntOption('val_', "", default=3)
+    val1 = IntOption('val1', "", multi=True)
+    val2 = IntOption('val2', "", multi=True, callback=return_calc, callback_params={'': ((val, False), (val1, False)), 'k': ((val_, False),)})
+    interface1 = OptionDescription('val1', '', [val1, val2])
+    interface1.impl_set_group_type(groups.master)
+    maconfig = OptionDescription('rootconfig', '', [interface1, val, val_])
+    cfg = Config(maconfig)
+    cfg.read_write()
+    assert cfg.val1.val1 == []
+    assert cfg.val1.val2 == []
+    cfg.val1.val1 = [1]
+    assert cfg.val1.val1 == [1]
+    assert cfg.val1.val2 == [6]
+    cfg.val1.val1 = [1, 3]
+    assert cfg.val1.val1 == [1, 3]
+    assert cfg.val1.val2 == [6, 8]
+    cfg.val1.val1 = [1, 3, 5]
+    assert cfg.val1.val1 == [1, 3, 5]
+    assert cfg.val1.val2 == [6, 8, 10]
 
 
 def test_callback_hidden():
@@ -653,7 +665,7 @@ def test_callback_multi_list_params():
     maconfig = OptionDescription('rootconfig', '', [val1, oval2])
     cfg = Config(maconfig)
     cfg.read_write()
-    assert cfg.val2.val2 == ['val', 'val', 'val', 'val']
+    assert cfg.val2.val2 == ['val', 'val']
 
 
 def test_callback_multi_list_params_key():
@@ -663,31 +675,4 @@ def test_callback_multi_list_params_key():
     maconfig = OptionDescription('rootconfig', '', [val1, oval2])
     cfg = Config(maconfig)
     cfg.read_write()
-    assert cfg.val2.val2 == ['val', 'val', 'val', 'val']
+    assert cfg.val2.val2 == ['val', 'val']
-
-
-def test_callback_multi_multi():
-    val1 = StrOption('val1', "", multi=True, default=['val1', 'val2', 'val3'])
-    val2 = StrOption('val2', "", multi=True, default=['val11', 'val12'])
-    val3 = StrOption('val3', "", default='val4')
-    val4 = StrOption('val4', "", multi=True, callback=return_list2, callback_params={'': ((val1, False), (val2, False))})
-    val5 = StrOption('val5', "", multi=True, callback=return_list2, callback_params={'': ((val1, False), (val3, False))})
-    val6 = StrOption('val6', "", multi=True, default=['val21', 'val22', 'val23'])
-    val7 = StrOption('val7', "", multi=True, callback=return_list2, callback_params={'': ((val1, False), (val6, False))})
-    raises(ValueError, "StrOption('val8', '', multi=True, callback=return_list2, callback_params={'value': ((val1, False), (val6, False))})")
-    maconfig = OptionDescription('rootconfig', '', [val1, val2, val3, val4, val5, val6, val7])
-    cfg = Config(maconfig)
-    cfg.read_write()
-    raises(ConfigError, "cfg.val4")
-    assert cfg.val5 == ['val1', 'val4', 'val2', 'val4', 'val3', 'val4']
-    assert cfg.val7 == ['val1', 'val21', 'val2', 'val22', 'val3', 'val23']
-
-
-def test_multi_with_no_value():
-    #First option return [] (so without value)
-    val1 = StrOption('val1', "", ['val'], multi=True)
-    val2 = StrOption('val2', "", multi=True)
-    val3 = StrOption('val3', '', multi=True, callback=return_value, callback_params={'': ((val2, False),), 'value': ((val1, False),)})
-    od = OptionDescription('od', '', [val1, val2, val3])
-    c = Config(od)
-    raises(ConfigError, "c.val3")

tiramisu/autolib.py

@@ -20,15 +20,16 @@
 # ____________________________________________________________
 "enables us to carry out a calculation and return an option's value"
 from tiramisu.error import PropertiesOptionError, ConfigError
+from tiramisu.setting import multitypes
 from tiramisu.i18n import _
 # ____________________________________________________________
 
 
-def carry_out_calculation(name, config, callback, callback_params,
+def carry_out_calculation(option, config, callback, callback_params,
                           index=None, max_len=None):
     """a function that carries out a calculation for an option's value
 
-    :param name: the option name (`opt._name`)
+    :param name: the option
     :param config: the context config in order to have
                    the whole options available
     :param callback: the name of the callback function
@@ -49,13 +50,13 @@ def carry_out_calculation(name, config, callback, callback_params,
     Values could have multiple values only when key is ''.
 
     * if no callback_params:
-      => calculate()
+      => calculate(<function func at 0x2092320>, [], {})
 
     * if callback_params={'': ('yes',)}
-      => calculate('yes')
+      => calculate(<function func at 0x2092320>, ['yes'], {})
 
     * if callback_params={'value': ('yes',)}
-      => calculate(value='yes')
+      => calculate(<function func at 0x165b320>, [], {'value': 'yes'})
 
     * if callback_params={'': ('yes', 'no')}
       => calculate('yes', 'no')
@@ -63,58 +64,71 @@ def carry_out_calculation(name, config, callback, callback_params,
     * if callback_params={'value': ('yes', 'no')}
       => ValueError()
 
+    * if callback_params={'': (['yes', 'no'],)}
+      => calculate(<function func at 0x176b320>, ['yes', 'no'], {})
+
+    * if callback_params={'value': ('yes', 'no')}
+      => raises ValueError()
+
     * if callback_params={'': ((opt1, False),)}
 
        - a simple option:
          opt1 == 11
-         => calculate(11)
+         => calculate(<function func at 0x1cea320>, [11], {})
 
-       - a multi option:
+       - a multi option and not master/slave:
          opt1 == [1, 2, 3]
-         => calculate(1)
+         => calculate(<function func at 0x223c320>, [[1, 2, 3]], {})
-         => calculate(2)
+
-         => calculate(3)
+       - option is master or slave of opt1:
+         opt1 == [1, 2, 3]
+         => calculate(<function func at 0x223c320>, [1], {})
+         => calculate(<function func at 0x223c320>, [2], {})
+         => calculate(<function func at 0x223c320>, [3], {})
+
+      - opt is a master or slave but not related to option:
+        opt1 == [1, 2, 3]
+        => calculate(<function func at 0x11b0320>, [[1, 2, 3]], {})
 
     * if callback_params={'value': ((opt1, False),)}
 
        - a simple option:
          opt1 == 11
-         => calculate(value=11)
+         => calculate(<function func at 0x17ff320>, [], {'value': 11})
 
        - a multi option:
          opt1 == [1, 2, 3]
-         => calculate(value=1)
+         => calculate(<function func at 0x1262320>, [], {'value': [1, 2, 3]})
-         => calculate(value=2)
-         => calculate(value=3)
 
     * if callback_params={'': ((opt1, False), (opt2, False))}
 
+      - two single options
+          opt1 = 11
+          opt2 = 12
+          => calculate(<function func at 0x217a320>, [11, 12], {})
+
       - a multi option with a simple option
           opt1 == [1, 2, 3]
-          opt2 == 11
+          opt2 == 12
-          => calculate(1, 11)
+          => calculate(<function func at 0x2153320>, [[1, 2, 3], 12], {})
-          => calculate(2, 11)
-          => calculate(3, 11)
 
       - a multi option with an other multi option but with same length
           opt1 == [1, 2, 3]
           opt2 == [11, 12, 13]
-          => calculate(1, 11)
+          => calculate(<function func at 0x1981320>, [[1, 2, 3], [11, 12, 13]], {})
-          => calculate(2, 12)
-          => calculate(3, 13)
 
       - a multi option with an other multi option but with different length
           opt1 == [1, 2, 3]
           opt2 == [11, 12]
-          => ConfigError()
+          => calculate(<function func at 0x2384320>, [[1, 2, 3], [11, 12]], {})
 
       - a multi option without value with a simple option
           opt1 == []
           opt2 == 11
-          => []
+          => calculate(<function func at 0xb65320>, [[], 12], {})
 
     * if callback_params={'value': ((opt1, False), (opt2, False))}
-      => ConfigError()
+      => raises ValueError()
 
     If index is not None, return a value, otherwise return:
 
@@ -133,9 +147,9 @@ def carry_out_calculation(name, config, callback, callback_params,
         for callbk in callbacks:
             if isinstance(callbk, tuple):
                 # callbk is something link (opt, True|False)
-                option, force_permissive = callbk
+                opt, force_permissive = callbk
                 path = config.cfgimpl_get_description().impl_get_path_by_opt(
-                    option)
+                    opt)
                 # get value
                 try:
                     value = config._getattr(path, force_permissive=True)
@@ -144,18 +158,22 @@ def carry_out_calculation(name, config, callback, callback_params,
                         continue
                     raise ConfigError(_('unable to carry out a calculation, '
                                         'option {0} has properties: {1} for: '
-                                        '{2}').format(option._name,
+                                        '{2}').format(opt._name,
                                                       err.proptype,
-                                                      name))
+                                                      option._name))
-                is_multi = option.impl_is_multi()
+
+                is_multi = False
+                if opt.impl_is_multi():
+                    #opt is master, search if option is a slave
+                    if opt.impl_get_multitype() == multitypes.master:
+                        if option in opt.impl_get_master_slaves():
+                            is_multi = True
+                    #opt is slave, search if option is an other slaves
+                    elif opt.impl_get_multitype() == multitypes.slave:
+                        if option in opt.impl_get_master_slaves().impl_get_master_slaves():
+                            is_multi = True
                 if is_multi:
-                    len_value = len(value)
+                    len_multi = len(value)
-                    if len_multi is not None and len_multi != len_value:
-                        raise ConfigError(_('unable to carry out a '
-                                            'calculation, option value with'
-                                            ' multi types must have same '
-                                            'length for: {0}').format(name))
-                    len_multi = len_value
                     one_is_multi = True
                 tcparams.setdefault(key, []).append((value, is_multi))
             else:
@@ -168,16 +186,9 @@ def carry_out_calculation(name, config, callback, callback_params,
     if one_is_multi:
         ret = []
         if index:
-            if index < len_multi:
+            range_ = [index]
-                range_ = [index]
-            else:
-                range_ = []
-                ret = None
         else:
-            if max_len and max_len < len_multi:
+            range_ = range(len_multi)
-                range_ = range(max_len)
-            else:
-                range_ = range(len_multi)
         for incr in range_:
             args = []
             kwargs = {}
@@ -196,10 +207,7 @@ def carry_out_calculation(name, config, callback, callback_params,
             if index:
                 ret = calc
             else:
-                if isinstance(calc, list):
+                ret.append(calc)
-                    ret.extend(calc)
-                else:
-                    ret.append(calc)
         return ret
     else:
         # no value is multi
@@ -213,7 +221,18 @@ def carry_out_calculation(name, config, callback, callback_params,
                     args.append(couple[0])
                 else:
                     kwargs[key] = couple[0]
-        return calculate(callback, args, kwargs)
+        ret = calculate(callback, args, kwargs)
+        if callback_params != {}:
+            if isinstance(ret, list) and max_len:
+                ret = ret[:max_len]
+                if len(ret) < max_len:
+                    ret = ret + [None] * (max_len - len(ret))
+            if isinstance(ret, list) and index:
+                if len(ret) < index + 1:
+                    ret = None
+                else:
+                    ret = ret[index]
+        return ret
 
 
 def calculate(callback, args, kwargs):
@@ -224,4 +243,5 @@ def calculate(callback, args, kwargs):
     :param kwargs: in the callback's arity, the named parameters
 
     """
+    print args, kwargs, callback(*args, **kwargs)
     return callback(*args, **kwargs)

tiramisu/option.py

@@ -413,7 +413,7 @@ class Option(BaseOption):
                 else:
                     validator_params = {'': (val,)}
                 # Raise ValueError if not valid
-                carry_out_calculation(self._name, config=context,
+                carry_out_calculation(self, config=context,
                                       callback=self._validator[0],
                                       callback_params=validator_params)
 
@@ -714,7 +714,7 @@ class StrOption(Option):
 
 
 if sys.version_info[0] >= 3:
-    #UnicodeOption is same has StrOption in python 3+
+    #UnicodeOption is same as StrOption in python 3+
     class UnicodeOption(StrOption):
         __slots__ = tuple()
         pass
@@ -788,7 +788,7 @@ class IPOption(Option):
         # sometimes an ip term starts with a zero
         # but this does not fit in some case, for example bind does not like it
         for val in value.split('.'):
-            if val.startswith("0") and len(val)>1:
+            if val.startswith("0") and len(val) > 1:
                 raise ValueError(_('invalid IP'))
         # 'standard' validation
         try:
@@ -1284,13 +1284,20 @@ class OptionDescription(BaseOption):
                     raise ValueError(_('master group with wrong'
                                        ' master name for {0}'
                                        ).format(self._name))
+                if master._callback is not None and master._callback[1] is not None:
+                    for key, callbacks in master._callback[1].items():
+                        for callbk in callbacks:
+                            if isinstance(callbk, tuple):
+                                if callbk[0] in slaves:
+                                    raise ValueError(_("callback of master's option shall "
+                                                       "not refered a slave's ones"))
                 master._master_slaves = tuple(slaves)
                 for child in self.impl_getchildren():
                     if child != master:
                         child._master_slaves = master
                         child._multitype = multitypes.slave
                 if not identical_master_child_name:
-                    raise ValueError(_("no child has same nom has master group"
+                    raise ValueError(_("no child has same name has master group"
                                        " for: {0}").format(self._name))
         else:
             raise ValueError(_('group_type: {0}'

tiramisu/value.py

@@ -137,7 +137,7 @@ class Values(object):
         callback, callback_params = opt._callback
         if callback_params is None:
             callback_params = {}
-        return carry_out_calculation(opt._name, config=self.context(),
+        return carry_out_calculation(opt, config=self.context(),
                                      callback=callback,
                                      callback_params=callback_params,
                                      index=index, max_len=max_len)