diff --git a/src/rougail/annotator.py b/src/rougail/annotator.py
index 5e527dbd..53085c5d 100644
--- a/src/rougail/annotator.py
+++ b/src/rougail/annotator.py
@@ -56,9 +56,6 @@ KEY_TYPE = {'variable': 'symlink',
             'URLOption': 'web_address',
             'FilenameOption': 'filename'}
 
-TYPE_PARAM_CHECK = ('string', 'python', 'variable')
-TYPE_PARAM_CONDITION = ('string', 'python', 'number', 'variable')
-TYPE_PARAM_FILL = ('string', 'number', 'variable')
 CONVERSION = {'number': int}
 
 FREEZE_AUTOFREEZE_VARIABLE = 'module_instancie'
@@ -476,9 +473,11 @@ class VariableAnnotator:
                 check.name = 'valid_enum'
                 check.target = path
                 check.namespace = namespace
-                param = self.objectspace.param()
-                param.text = str(FORCE_CHOICE[variable.type])
-                check.param = [param]
+                check.param = []
+                for value in FORCE_CHOICE[variable.type]:
+                    param = self.objectspace.param()
+                    param.text = value
+                    check.param.append(param)
                 if not hasattr(self.objectspace.space, 'constraints'):
                     self.objectspace.space.constraints = self.objectspace.constraints()
                     self.objectspace.space.constraints.namespace = namespace
@@ -627,8 +626,6 @@ class ConstraintAnnotator:
             if hasattr(check, 'param'):
                 param_option_indexes = []
                 for idx, param in enumerate(check.param):
-                    if param.type not in TYPE_PARAM_CHECK:
-                        raise DictConsistencyError(_('cannot use {} type as a param in check for {}').format(param.type, check.target))
                     if param.type == 'variable' and not self.objectspace.paths.path_is_defined(param.text):
                         if param.optional is True:
                             param_option_indexes.append(idx)
@@ -661,55 +658,50 @@ class ConstraintAnnotator:
         remove_indexes = []
         for idx, check in enumerate(self.objectspace.space.constraints.check):
             if check.name == 'valid_enum':
-                if len(check.param) != 1:
-                    raise DictConsistencyError(_(f'cannot set more than one param for valid_enum for variable {check.target}'))
-                param = check.param[0]
                 if check.target in self.valid_enums:
                     raise DictConsistencyError(_(f'valid_enum already set for {check.target}'))
-                if param.type not in ['string', 'python', 'number']:
-                    raise DictConsistencyError(_(f'unknown type {param.type} for param in valid_enum for {check.target}'))
+                if not hasattr(check, 'param'):
+                    raise DictConsistencyError(_(f'param is mandatory for a valid_enum of variable {check.target}'))
                 variable = self.objectspace.paths.get_variable_obj(check.target)
-                values = self.load_params_in_validenum(param,
-                                                       variable.name,
-                                                       variable.type,
-                                                       )
-                self.valid_enums[check.target] = {'type': param.type,
-                                                  'values': values}
+                values = self.load_params_in_valid_enum(check.param,
+                                                        variable.name,
+                                                        variable.type,
+                                                        )
                 self._set_valid_enum(variable,
                                      values,
                                      variable.type,
+                                     check.target
                                      )
                 remove_indexes.append(idx)
         remove_indexes.sort(reverse=True)
         for idx in remove_indexes:
             del self.objectspace.space.constraints.check[idx]
 
-    def load_params_in_validenum(self,
-                                 param,
-                                 variable_name,
-                                 variable_type,
-                                 ):
-        if not hasattr(param, 'text') and (param.type == 'python' or param.type == 'number'):
-            raise DictConsistencyError(_(f"All '{param.type}' variables shall be set in order to calculate valid_enum for variable {variable_name}"))
-        if variable_type == 'string' and param.type == 'number':
-            raise DictConsistencyError(_(f'Unconsistency valid_enum type ({param.type}), for variable {variable_name}'))
-        if param.type == 'python':
-            try:
-                values = eval(param.text, {'eosfunc': self.eosfunc, '__builtins__': {'range': range, 'str': str}})
-            except NameError:
-                raise DictConsistencyError(_('The function {} is unknown').format(param.text))
-        else:
-            try:
-                values = literal_eval(param.text)
-            except ValueError:
-                raise DictConsistencyError(_(f'Cannot load {param.text} in valid_enum'))
-        if not isinstance(values, list):
-            raise DictConsistencyError(_('Function {} shall return a list').format(param.text))
-        for value in values:
-            if variable_type == 'string' and not isinstance(value, str):
-                raise DictConsistencyError(_(f'Cannot load "{param.text}", "{value}" is not a string'))
-            if variable_type == 'number' and not isinstance(value, int):
-                raise DictConsistencyError(_(f'Cannot load "{param.text}", "{value}" is not a number'))
+    def load_params_in_valid_enum(self,
+                                  params,
+                                  variable_name,
+                                  variable_type,
+                                  ):
+        has_variable = None
+        values = []
+        for param in params:
+            if param.type == 'variable':
+                if has_variable is not None:
+                    raise DictConsistencyError(_(f'only one "variable" parameter is allowed for valid_enum of variable {variable_name}'))
+                has_variable = True
+                variable = self.objectspace.paths.get_variable_obj(param.text)
+                if not variable.multi:
+                    raise DictConsistencyError(_(f'only multi "variable" parameter is allowed for valid_enum of variable {variable_name}'))
+                values = param.text
+            else:
+                if has_variable:
+                    raise DictConsistencyError(_(f'only one "variable" parameter is allowed for valid_enum of variable {variable_name}'))
+                if not hasattr(param, 'text'):
+                    if param.type == 'number':
+                        raise DictConsistencyError(_(f'value is mandatory for valid_enum of variable {variable_name}'))
+                    values.append(None)
+                else:
+                    values.append(param.text)
         return values
 
     def check_change_warning(self):
@@ -736,9 +728,6 @@ class ConstraintAnnotator:
 
     def check_params_target(self):
         for condition in self.objectspace.space.constraints.condition:
-            for param in condition.param:
-                if param.type not in TYPE_PARAM_CONDITION:
-                    raise DictConsistencyError(_(f'cannot use {param.type} type as a param in a condition'))
             if not hasattr(condition, 'target'):
                 raise DictConsistencyError(_('target is mandatory in condition'))
             for target in condition.target:
@@ -919,40 +908,52 @@ class ConstraintAnnotator:
                                 variable.property.append(prop)
         del self.objectspace.space.constraints.condition
 
-    def _set_valid_enum(self, variable, values, type_):
+    def _set_valid_enum(self, variable, values, type_, target):
         # value for choice's variable is mandatory
         variable.mandatory = True
         # build choice
         variable.choice = []
-        choices = []
-        for value in values:
+        if isinstance(values, str):
             choice = self.objectspace.choice()
-            try:
-                choice.name = CONVERSION.get(type_, str)(value)
-            except:
-                raise DictConsistencyError(_(f'unable to change type of a valid_enum entry "{value}" is not a valid "{type_}" for "{variable.name}"'))
-            if choice.name == '':
-                choice.name = None
-            choices.append(choice.name)
-            choice.type = type_
+            choice.type = 'calculation'
+            choice.name = values
             variable.choice.append(choice)
+        else:
+            self.valid_enums[target] = {'type': type_,
+                                        'values': values,
+                                        }
+            choices = []
+            for value in values:
+                choice = self.objectspace.choice()
+                try:
+                    if value is not None:
+                        choice.name = CONVERSION.get(type_, str)(value)
+                    else:
+                        choice.name = value
+                except:
+                    raise DictConsistencyError(_(f'unable to change type of a valid_enum entry "{value}" is not a valid "{type_}" for "{variable.name}"'))
+                if choice.name == '':
+                    choice.name = None
+                choices.append(choice.name)
+                choice.type = type_
+                variable.choice.append(choice)
+            # check value or set first choice value has default value
+            if hasattr(variable, 'value'):
+                for value in variable.value:
+                    value.type = type_
+                    try:
+                        cvalue = CONVERSION.get(type_, str)(value.name)
+                    except:
+                        raise DictConsistencyError(_(f'unable to change type of value "{value}" is not a valid "{type_}" for "{variable.name}"'))
+                    if cvalue not in choices:
+                        raise DictConsistencyError(_('value "{}" of variable "{}" is not in list of all expected values ({})').format(value.name, variable.name, choices))
+            else:
+                new_value = self.objectspace.value()
+                new_value.name = choices[0]
+                new_value.type = type_
+                variable.value = [new_value]
         if not variable.choice:
             raise DictConsistencyError(_('empty valid enum is not allowed for variable {}').format(variable.name))
-        # check value or set first choice value has default value
-        if hasattr(variable, 'value'):
-            for value in variable.value:
-                value.type = type_
-                try:
-                    cvalue = CONVERSION.get(type_, str)(value.name)
-                except:
-                    raise DictConsistencyError(_(f'unable to change type of value "{value}" is not a valid "{type_}" for "{variable.name}"'))
-                if cvalue not in choices:
-                    raise DictConsistencyError(_('value "{}" of variable "{}" is not in list of all expected values ({})').format(value.name, variable.name, choices))
-        else:
-            new_value = self.objectspace.value()
-            new_value.name = values[0]
-            new_value.type = type_
-            variable.value = [new_value]
         variable.type = 'choice'
 
     def convert_check(self):
@@ -1030,8 +1031,6 @@ class ConstraintAnnotator:
             if hasattr(fill, 'param'):
                 param_to_delete = []
                 for fill_idx, param in enumerate(fill.param):
-                    if param.type not in TYPE_PARAM_FILL:
-                        raise DictConsistencyError(_(f'cannot use {param.type} type as a param in a fill/auto'))
                     if param.type != 'string' and not hasattr(param, 'text'):
                         raise DictConsistencyError(_(f"All '{param.type}' variables shall have a value in order to calculate {fill.target}"))
                     if param.type == 'variable':
diff --git a/src/rougail/data/rougail.dtd b/src/rougail/data/rougail.dtd
index 1b819ca1..aaf950c6 100644
--- a/src/rougail/data/rougail.dtd
+++ b/src/rougail/data/rougail.dtd
@@ -141,7 +141,7 @@
 <!ATTLIST group description CDATA #IMPLIED>
 
 <!ELEMENT param (#PCDATA)>
-<!ATTLIST param type (string|variable|number|python) "string">
+<!ATTLIST param type (string|number|variable|information) "string">
 <!ATTLIST param name CDATA #IMPLIED>
 <!ATTLIST param notraisepropertyerror (True|False) "False">
 <!ATTLIST param optional (True|False) "False">
diff --git a/src/rougail/tiramisureflector.py b/src/rougail/tiramisureflector.py
index a0d821ad..025a0dea 100644
--- a/src/rougail/tiramisureflector.py
+++ b/src/rougail/tiramisureflector.py
@@ -252,7 +252,7 @@ class Common:
                 if not self.attrib[key]:
                     continue
                 value = "frozenset({" + self.attrib[key] + "})"
-            elif key in ['default', 'multi', 'suffixes', 'validators']:
+            elif key in ['default', 'multi', 'suffixes', 'validators', 'values']:
                 value = self.attrib[key]
             elif isinstance(value, str) and key != 'opt' and not value.startswith('['):
                 value = "'" + value.replace("'", "\\\'") + "'"
@@ -368,9 +368,16 @@ class Variable(Common):
                 elif tag == 'check':
                     self.attrib['validators'].append(self.calculation_value(child, ['ParamSelfOption()']))
                 elif tag == 'choice':
-                    choices.append(child.name)
+                    if child.type == 'calculation':
+                        value = self.storage.get(child.name).get()
+                        choices = f"Calculation(func.calc_value, Params((ParamOption({value}))))"
+                    else:
+                        choices.append(child.name)
         if choices:
-            self.attrib['values'] = tuple(choices)
+            if isinstance(choices, list):
+                self.attrib['values'] = str(tuple(choices))
+            else:
+                self.attrib['values'] = choices
         if self.attrib['default'] == []:
             del self.attrib['default']
         elif not self.attrib['multi'] and isinstance(self.attrib['default'], list):
diff --git a/tests/eosfunc/test.py b/tests/eosfunc/test.py
index a0cb0f5a..887c9a8d 100644
--- a/tests/eosfunc/test.py
+++ b/tests/eosfunc/test.py
@@ -58,4 +58,4 @@ def device_type(*args, **kwargs):
 
 
 def calc_list(*args, **kwargs):
-    return []
+    return list(args)
diff --git a/tests/flattener_dicos/10load_frozenifin_multiparam/00-base.xml b/tests/flattener_dicos/10load_frozenifin_multiparam/00-base.xml
index 528ec015..900d5e65 100644
--- a/tests/flattener_dicos/10load_frozenifin_multiparam/00-base.xml
+++ b/tests/flattener_dicos/10load_frozenifin_multiparam/00-base.xml
@@ -20,7 +20,9 @@
 
     <constraints>
         <check name="valid_enum" target="condition">
-            <param>['tous', 'authentifié', 'aucun']</param>
+            <param>tous</param>
+            <param>authentifié</param>
+            <param>aucun</param>
         </check>
         <condition name="hidden_if_in" source="condition">
             <param>tous</param>
diff --git a/tests/flattener_dicos/10load_frozenifin_noexist/00-base.xml b/tests/flattener_dicos/10load_frozenifin_noexist/00-base.xml
index 60c371d3..d9bbe323 100644
--- a/tests/flattener_dicos/10load_frozenifin_noexist/00-base.xml
+++ b/tests/flattener_dicos/10load_frozenifin_noexist/00-base.xml
@@ -19,7 +19,9 @@
 
     <constraints>
         <check name="valid_enum" target="condition">
-            <param>['tous', 'authentifié', 'aucun']</param>
+            <param>tous</param>
+            <param>authentifié</param>
+            <param>aucun</param>
         </check>
         <condition name='hidden_if_in' source='condition'>
             <param>oui</param>
diff --git a/tests/flattener_dicos/10valid_enum_accent/00-base.xml b/tests/flattener_dicos/10valid_enum_accent/00-base.xml
index 50c46110..12720be4 100644
--- a/tests/flattener_dicos/10valid_enum_accent/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_accent/00-base.xml
@@ -19,7 +19,10 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param>['a', 'b', 'c', 'é']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
+            <param>é</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/10valid_enum_base/00-base.xml b/tests/flattener_dicos/10valid_enum_base/00-base.xml
index 1f8887d4..9c8d133e 100644
--- a/tests/flattener_dicos/10valid_enum_base/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_base/00-base.xml
@@ -19,7 +19,9 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param>['a','b','c']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/10valid_enum_base_redefine/00-base.xml b/tests/flattener_dicos/10valid_enum_base_redefine/00-base.xml
index c2b95bc6..0b6101aa 100644
--- a/tests/flattener_dicos/10valid_enum_base_redefine/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_base_redefine/00-base.xml
@@ -22,10 +22,14 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param>['a','b','c']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
         </check>
         <check name="valid_enum" target="enumvar2">
-            <param>['a','b','c']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/10valid_enum_base_redefine/01-base.xml b/tests/flattener_dicos/10valid_enum_base_redefine/01-base.xml
index 290a5a4a..87b45ceb 100644
--- a/tests/flattener_dicos/10valid_enum_base_redefine/01-base.xml
+++ b/tests/flattener_dicos/10valid_enum_base_redefine/01-base.xml
@@ -14,7 +14,8 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param>['a','c']</param>
+            <param>a</param>
+            <param>c</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/10valid_enum_eosfunc/00-base.xml b/tests/flattener_dicos/10valid_enum_eosfunc/00-base.xml
deleted file mode 100644
index e21f4c8f..00000000
--- a/tests/flattener_dicos/10valid_enum_eosfunc/00-base.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<rougail>
-
-    <services/>
-
-    <variables>
-        <family name="general">
-            <variable name="mode_conteneur_actif" type="string" description="No change">
-                <value>non</value>
-            </variable>
-        </family>
-        <separators/>
-    </variables>
-
-    <constraints>
-        <check name="valid_enum" target="mode_conteneur_actif">
-            <param type="python">eosfunc.list_files('/notexists', default=['oui', 'non'])</param>
-        </check>
-    </constraints>
-
-    <help/>
-
-</rougail>
-<!-- vim: ts=4 sw=4 expandtab
--->
diff --git a/tests/flattener_dicos/10valid_enum_eosfunc/makedict/base.json b/tests/flattener_dicos/10valid_enum_eosfunc/makedict/base.json
deleted file mode 100644
index 797595b0..00000000
--- a/tests/flattener_dicos/10valid_enum_eosfunc/makedict/base.json
+++ /dev/null
@@ -1 +0,0 @@
-{"rougail.general.mode_conteneur_actif": "non"}
diff --git a/tests/flattener_dicos/10valid_enum_eosfunc/tiramisu/base.py b/tests/flattener_dicos/10valid_enum_eosfunc/tiramisu/base.py
deleted file mode 100644
index 5783a3af..00000000
--- a/tests/flattener_dicos/10valid_enum_eosfunc/tiramisu/base.py
+++ /dev/null
@@ -1,8 +0,0 @@
-from tiramisu import *
-from rougail.tiramisu import ConvertDynOptionDescription
-import imp
-func = imp.load_source('func', 'tests/flattener_dicos/../eosfunc/test.py')
-option_3 = ChoiceOption(properties=frozenset({'mandatory', 'normal'}), name='mode_conteneur_actif', doc='No change', multi=False, default='non', values=('oui', 'non'))
-option_2 = OptionDescription(name='general', doc='general', properties=frozenset({'normal'}), children=[option_3])
-option_1 = OptionDescription(name='rougail', doc='rougail', children=[option_2])
-option_0 = OptionDescription(name='baseoption', doc='baseoption', children=[option_1])
diff --git a/tests/flattener_dicos/10valid_enum_leader/00-base.xml b/tests/flattener_dicos/10valid_enum_leader/00-base.xml
index 85b61810..27161903 100644
--- a/tests/flattener_dicos/10valid_enum_leader/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_leader/00-base.xml
@@ -17,7 +17,9 @@
 
     <constraints>
         <check name="valid_enum" target="follower1">
-            <param>['a','b','c']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
         </check>
         <group leader="leader">
             <follower>follower1</follower>
diff --git a/tests/flattener_dicos/10valid_enum_mandatory/00-base.xml b/tests/flattener_dicos/10valid_enum_mandatory/00-base.xml
index 5d96fd76..4d104156 100644
--- a/tests/flattener_dicos/10valid_enum_mandatory/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_mandatory/00-base.xml
@@ -15,7 +15,9 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param>['a','b','c']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
         </check>
     </constraints>
 </rougail>
diff --git a/tests/flattener_dicos/10valid_enum_multi/00-base.xml b/tests/flattener_dicos/10valid_enum_multi/00-base.xml
index 3a596722..6ea4bfa1 100644
--- a/tests/flattener_dicos/10valid_enum_multi/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_multi/00-base.xml
@@ -15,7 +15,9 @@
 
     <constraints>
         <check name="valid_enum" target="multi">
-            <param>['a','b','c']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/10valid_enum_none/00-base.xml b/tests/flattener_dicos/10valid_enum_none/00-base.xml
index fcff2f28..f03d3e1a 100644
--- a/tests/flattener_dicos/10valid_enum_none/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_none/00-base.xml
@@ -19,7 +19,9 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param>['a','b','']</param>
+            <param>a</param>
+            <param>b</param>
+            <param/>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/80validenum_python_unknownvalue/00-base.xml b/tests/flattener_dicos/10valid_enum_none2/00-base.xml
similarity index 85%
rename from tests/flattener_dicos/80validenum_python_unknownvalue/00-base.xml
rename to tests/flattener_dicos/10valid_enum_none2/00-base.xml
index 4a4e102a..32ba8858 100644
--- a/tests/flattener_dicos/80validenum_python_unknownvalue/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_none2/00-base.xml
@@ -11,7 +11,7 @@
         </family>
         <family name="enumfam" mode="expert">
             <variable name="enumvar" type="string" description="multi">
-                <value>c</value>
+                <value>b</value>
             </variable>
         </family>
         <separators/>
@@ -19,7 +19,9 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param type="python">eosfunc.calc_multi_val(['pouet'])</param>
+            <param>a</param>
+            <param>b</param>
+            <param></param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/10valid_enum_eosfunc/__init__.py b/tests/flattener_dicos/10valid_enum_none2/__init__.py
similarity index 100%
rename from tests/flattener_dicos/10valid_enum_eosfunc/__init__.py
rename to tests/flattener_dicos/10valid_enum_none2/__init__.py
diff --git a/tests/flattener_dicos/10valid_enum_python/makedict/base.json b/tests/flattener_dicos/10valid_enum_none2/makedict/base.json
similarity index 77%
rename from tests/flattener_dicos/10valid_enum_python/makedict/base.json
rename to tests/flattener_dicos/10valid_enum_none2/makedict/base.json
index 7fdca9ef..0a000772 100644
--- a/tests/flattener_dicos/10valid_enum_python/makedict/base.json
+++ b/tests/flattener_dicos/10valid_enum_none2/makedict/base.json
@@ -1 +1 @@
-{"rougail.general.mode_conteneur_actif": "non", "rougail.enumfam.enumvar": "test"}
+{"rougail.general.mode_conteneur_actif": "non", "rougail.enumfam.enumvar": "b"}
diff --git a/tests/flattener_dicos/10valid_enum_eosfunc/tiramisu/__init__.py b/tests/flattener_dicos/10valid_enum_none2/tiramisu/__init__.py
similarity index 100%
rename from tests/flattener_dicos/10valid_enum_eosfunc/tiramisu/__init__.py
rename to tests/flattener_dicos/10valid_enum_none2/tiramisu/__init__.py
diff --git a/tests/flattener_dicos/10valid_enum_python/tiramisu/base.py b/tests/flattener_dicos/10valid_enum_none2/tiramisu/base.py
similarity index 90%
rename from tests/flattener_dicos/10valid_enum_python/tiramisu/base.py
rename to tests/flattener_dicos/10valid_enum_none2/tiramisu/base.py
index d4ef10b5..9b1ed780 100644
--- a/tests/flattener_dicos/10valid_enum_python/tiramisu/base.py
+++ b/tests/flattener_dicos/10valid_enum_none2/tiramisu/base.py
@@ -4,7 +4,7 @@ import imp
 func = imp.load_source('func', 'tests/flattener_dicos/../eosfunc/test.py')
 option_3 = ChoiceOption(properties=frozenset({'expert', 'mandatory'}), name='mode_conteneur_actif', doc='No change', multi=False, default='non', values=('oui', 'non'))
 option_2 = OptionDescription(name='general', doc='general', properties=frozenset({'expert'}), children=[option_3])
-option_5 = ChoiceOption(properties=frozenset({'expert', 'mandatory'}), name='enumvar', doc='multi', multi=False, default='test', values=('test',))
+option_5 = ChoiceOption(properties=frozenset({'expert', 'mandatory'}), name='enumvar', doc='multi', multi=False, default='b', values=('a', 'b', None))
 option_5.impl_set_information("help", "bla bla bla")
 option_4 = OptionDescription(name='enumfam', doc='enumfam', properties=frozenset({'expert'}), children=[option_5])
 option_1 = OptionDescription(name='rougail', doc='rougail', children=[option_2, option_4])
diff --git a/tests/flattener_dicos/10valid_enum_number/00-base.xml b/tests/flattener_dicos/10valid_enum_number/00-base.xml
index 650ef928..2ab66988 100644
--- a/tests/flattener_dicos/10valid_enum_number/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_number/00-base.xml
@@ -17,7 +17,9 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param>[1, 2, 3]</param>
+            <param>1</param>
+            <param>2</param>
+            <param>3</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/10valid_enum_numberdefault/00-base.xml b/tests/flattener_dicos/10valid_enum_numberdefault/00-base.xml
index 6f04bfd3..531b177f 100644
--- a/tests/flattener_dicos/10valid_enum_numberdefault/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_numberdefault/00-base.xml
@@ -19,7 +19,9 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param>[1, 2, 3]</param>
+            <param>1</param>
+            <param>2</param>
+            <param>3</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/10valid_enum_value/00-base.xml b/tests/flattener_dicos/10valid_enum_value/00-base.xml
index 5b5ab9bd..1794b78e 100644
--- a/tests/flattener_dicos/10valid_enum_value/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_value/00-base.xml
@@ -14,7 +14,9 @@
 
     <constraints>
         <check name="valid_enum" target="mode_conteneur_actif">
-            <param>['a','b','c']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/80validenum_python_not_list/00-base.xml b/tests/flattener_dicos/10valid_enum_variable/00-base.xml
similarity index 67%
rename from tests/flattener_dicos/80validenum_python_not_list/00-base.xml
rename to tests/flattener_dicos/10valid_enum_variable/00-base.xml
index 80775496..dd433351 100644
--- a/tests/flattener_dicos/80validenum_python_not_list/00-base.xml
+++ b/tests/flattener_dicos/10valid_enum_variable/00-base.xml
@@ -10,8 +10,11 @@
             </variable>
         </family>
         <family name="enumfam" mode="expert">
+            <variable name="varmulti" type="string" description="multi" multi="True" hidden="True">
+                <value>test</value>
+            </variable>
             <variable name="enumvar" type="string" description="multi">
-                <value>c</value>
+                <value>test</value>
             </variable>
         </family>
         <separators/>
@@ -19,8 +22,11 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param type="python">eosfunc.valid_lower('toto')</param>
+            <param type="variable">varmulti</param>
         </check>
+        <fill name="calc_list" target="varmulti">
+            <param>test</param>
+        </fill>
     </constraints>
 
     <help>
diff --git a/tests/flattener_dicos/10valid_enum_python/__init__.py b/tests/flattener_dicos/10valid_enum_variable/__init__.py
similarity index 100%
rename from tests/flattener_dicos/10valid_enum_python/__init__.py
rename to tests/flattener_dicos/10valid_enum_variable/__init__.py
diff --git a/tests/flattener_dicos/10valid_enum_variable/makedict/base.json b/tests/flattener_dicos/10valid_enum_variable/makedict/base.json
new file mode 100644
index 00000000..44c619c4
--- /dev/null
+++ b/tests/flattener_dicos/10valid_enum_variable/makedict/base.json
@@ -0,0 +1 @@
+{"rougail.general.mode_conteneur_actif": "non", "rougail.enumfam.enumvar": "test", "rougail.enumfam.varmulti": ["test"]}
diff --git a/tests/flattener_dicos/10valid_enum_python/tiramisu/__init__.py b/tests/flattener_dicos/10valid_enum_variable/tiramisu/__init__.py
similarity index 100%
rename from tests/flattener_dicos/10valid_enum_python/tiramisu/__init__.py
rename to tests/flattener_dicos/10valid_enum_variable/tiramisu/__init__.py
diff --git a/tests/flattener_dicos/10valid_enum_variable/tiramisu/base.py b/tests/flattener_dicos/10valid_enum_variable/tiramisu/base.py
new file mode 100644
index 00000000..4ddb7229
--- /dev/null
+++ b/tests/flattener_dicos/10valid_enum_variable/tiramisu/base.py
@@ -0,0 +1,12 @@
+from tiramisu import *
+from rougail.tiramisu import ConvertDynOptionDescription
+import imp
+func = imp.load_source('func', 'tests/flattener_dicos/../eosfunc/test.py')
+option_3 = ChoiceOption(properties=frozenset({'expert', 'mandatory'}), name='mode_conteneur_actif', doc='No change', multi=False, default='non', values=('oui', 'non'))
+option_2 = OptionDescription(name='general', doc='general', properties=frozenset({'expert'}), children=[option_3])
+option_5 = StrOption(properties=frozenset({'expert', 'force_default_on_freeze', 'frozen', 'hidden', 'mandatory'}), name='varmulti', doc='multi', multi=True, default=Calculation(func.calc_list, Params((ParamValue("test")), kwargs={})))
+option_6 = ChoiceOption(properties=frozenset({'expert', 'mandatory'}), name='enumvar', doc='multi', multi=False, default='test', values=Calculation(func.calc_value, Params((ParamOption(option_5)))))
+option_6.impl_set_information("help", "bla bla bla")
+option_4 = OptionDescription(name='enumfam', doc='enumfam', properties=frozenset({'expert'}), children=[option_5, option_6])
+option_1 = OptionDescription(name='rougail', doc='rougail', children=[option_2, option_4])
+option_0 = OptionDescription(name='baseoption', doc='baseoption', children=[option_1])
diff --git a/tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/00-base.xml b/tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/00-base.xml
similarity index 94%
rename from tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/00-base.xml
rename to tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/00-base.xml
index 1db0a401..d66de732 100644
--- a/tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/00-base.xml
+++ b/tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/00-base.xml
@@ -25,7 +25,8 @@
 
     <constraints>
         <check name="valid_enum" target="condition">
-            <param>['non','statique']</param>
+            <param>non</param>
+            <param>statique</param>
         </check>
         <condition name="disabled_if_not_in" source="condition">
             <param>statique</param>
diff --git a/tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/__init__.py b/tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/__init__.py
similarity index 100%
rename from tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/__init__.py
rename to tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/__init__.py
diff --git a/tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/makedict/base.json b/tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/makedict/base.json
similarity index 100%
rename from tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/makedict/base.json
rename to tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/makedict/base.json
diff --git a/tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/tiramisu/__init__.py b/tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/tiramisu/__init__.py
similarity index 100%
rename from tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/tiramisu/__init__.py
rename to tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/tiramisu/__init__.py
diff --git a/tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/tiramisu/base.py b/tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/tiramisu/base.py
similarity index 100%
rename from tests/flattener_dicos/11disabledifnotin_filelist_notexist_validenum/tiramisu/base.py
rename to tests/flattener_dicos/11disabledifnotin_filelist_notexist_valid_enum/tiramisu/base.py
diff --git a/tests/flattener_dicos/40ifin_validenum/00-base.xml b/tests/flattener_dicos/40ifin_valid_enum/00-base.xml
similarity index 93%
rename from tests/flattener_dicos/40ifin_validenum/00-base.xml
rename to tests/flattener_dicos/40ifin_valid_enum/00-base.xml
index e6c5e809..9bd0588c 100644
--- a/tests/flattener_dicos/40ifin_validenum/00-base.xml
+++ b/tests/flattener_dicos/40ifin_valid_enum/00-base.xml
@@ -20,7 +20,9 @@
 
     <constraints>
         <check name="valid_enum" target="mode_conteneur_actif3">
-            <param>['a','b','c']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
         </check>
         <condition name="disabled_if_in" source="mode_conteneur_actif3">
             <param>d</param>
diff --git a/tests/flattener_dicos/40ifin_validenum/__init__.py b/tests/flattener_dicos/40ifin_valid_enum/__init__.py
similarity index 100%
rename from tests/flattener_dicos/40ifin_validenum/__init__.py
rename to tests/flattener_dicos/40ifin_valid_enum/__init__.py
diff --git a/tests/flattener_dicos/40ifin_validenum/makedict/base.json b/tests/flattener_dicos/40ifin_valid_enum/makedict/base.json
similarity index 100%
rename from tests/flattener_dicos/40ifin_validenum/makedict/base.json
rename to tests/flattener_dicos/40ifin_valid_enum/makedict/base.json
diff --git a/tests/flattener_dicos/40ifin_validenum/tiramisu/__init__.py b/tests/flattener_dicos/40ifin_valid_enum/tiramisu/__init__.py
similarity index 100%
rename from tests/flattener_dicos/40ifin_validenum/tiramisu/__init__.py
rename to tests/flattener_dicos/40ifin_valid_enum/tiramisu/__init__.py
diff --git a/tests/flattener_dicos/40ifin_validenum/tiramisu/base.py b/tests/flattener_dicos/40ifin_valid_enum/tiramisu/base.py
similarity index 100%
rename from tests/flattener_dicos/40ifin_validenum/tiramisu/base.py
rename to tests/flattener_dicos/40ifin_valid_enum/tiramisu/base.py
diff --git a/tests/flattener_dicos/51redefine_validenum/00-base.xml b/tests/flattener_dicos/51redefine_valid_enum/00-base.xml
similarity index 84%
rename from tests/flattener_dicos/51redefine_validenum/00-base.xml
rename to tests/flattener_dicos/51redefine_valid_enum/00-base.xml
index 50543923..73122f0d 100644
--- a/tests/flattener_dicos/51redefine_validenum/00-base.xml
+++ b/tests/flattener_dicos/51redefine_valid_enum/00-base.xml
@@ -12,7 +12,9 @@
 
     <constraints>
         <check name="valid_enum" target="mode_conteneur_actif">
-            <param>['a','b','c']</param>
+            <param>a</param>
+            <param>b</param>
+            <param>c</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/51redefine_validenum/01-redefine.xml b/tests/flattener_dicos/51redefine_valid_enum/01-redefine.xml
similarity index 87%
rename from tests/flattener_dicos/51redefine_validenum/01-redefine.xml
rename to tests/flattener_dicos/51redefine_valid_enum/01-redefine.xml
index 1506aa0f..9ca44640 100644
--- a/tests/flattener_dicos/51redefine_validenum/01-redefine.xml
+++ b/tests/flattener_dicos/51redefine_valid_enum/01-redefine.xml
@@ -12,7 +12,8 @@
 
     <constraints>
         <check name="valid_enum" target="mode_conteneur_actif">
-            <param>['a','b']</param>
+            <param>a</param>
+            <param>b</param>
         </check>
     </constraints>
 
diff --git a/tests/flattener_dicos/51redefine_validenum/__init__.py b/tests/flattener_dicos/51redefine_valid_enum/__init__.py
similarity index 100%
rename from tests/flattener_dicos/51redefine_validenum/__init__.py
rename to tests/flattener_dicos/51redefine_valid_enum/__init__.py
diff --git a/tests/flattener_dicos/51redefine_validenum/makedict/base.json b/tests/flattener_dicos/51redefine_valid_enum/makedict/base.json
similarity index 100%
rename from tests/flattener_dicos/51redefine_validenum/makedict/base.json
rename to tests/flattener_dicos/51redefine_valid_enum/makedict/base.json
diff --git a/tests/flattener_dicos/51redefine_validenum/tiramisu/__init__.py b/tests/flattener_dicos/51redefine_valid_enum/tiramisu/__init__.py
similarity index 100%
rename from tests/flattener_dicos/51redefine_validenum/tiramisu/__init__.py
rename to tests/flattener_dicos/51redefine_valid_enum/tiramisu/__init__.py
diff --git a/tests/flattener_dicos/51redefine_validenum/tiramisu/base.py b/tests/flattener_dicos/51redefine_valid_enum/tiramisu/base.py
similarity index 100%
rename from tests/flattener_dicos/51redefine_validenum/tiramisu/base.py
rename to tests/flattener_dicos/51redefine_valid_enum/tiramisu/base.py
diff --git a/tests/flattener_dicos/80empty_typeeole_python/00_base.xml b/tests/flattener_dicos/80empty_typeeole_python/00_base.xml
deleted file mode 100644
index 58cce127..00000000
--- a/tests/flattener_dicos/80empty_typeeole_python/00_base.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<rougail>
-    <services/>
-
-    <variables>
-        <family name="proxy authentifié">
-            <variable name="toto1" type="port" description="Port d'écoute du proxy" mode="expert">
-            </variable>
-            <variable name="toto2" type="port" description="Port d'écoute du proxy NTLM" mode="expert">
-                <value>3127</value>
-            </variable>
-        </family>
-    </variables>
-
-    <constraints>
-        <check name="valid_enum" target="toto1">
-            <param type="python"/>
-        </check>
-    </constraints>
-
-</rougail>
diff --git a/tests/flattener_dicos/80empty_validenum/00-base.xml b/tests/flattener_dicos/80empty_valid_enum/00-base.xml
similarity index 75%
rename from tests/flattener_dicos/80empty_validenum/00-base.xml
rename to tests/flattener_dicos/80empty_valid_enum/00-base.xml
index 8c83e1bd..3e20184f 100644
--- a/tests/flattener_dicos/80empty_validenum/00-base.xml
+++ b/tests/flattener_dicos/80empty_valid_enum/00-base.xml
@@ -10,9 +10,7 @@
     </variables>
 
     <constraints>
-        <check name="valid_enum" target="mode_conteneur_actif">
-            <param>[]</param>
-        </check>
+        <check name="valid_enum" target="mode_conteneur_actif"/>
     </constraints>
 
     <help/>
diff --git a/tests/flattener_dicos/80empty_typeeole_python/__init__.py b/tests/flattener_dicos/80empty_valid_enum/__init__.py
similarity index 100%
rename from tests/flattener_dicos/80empty_typeeole_python/__init__.py
rename to tests/flattener_dicos/80empty_valid_enum/__init__.py
diff --git a/tests/flattener_dicos/80unknown_validenum/00-base.xml b/tests/flattener_dicos/80unknown_valid_enum/00-base.xml
similarity index 100%
rename from tests/flattener_dicos/80unknown_validenum/00-base.xml
rename to tests/flattener_dicos/80unknown_valid_enum/00-base.xml
diff --git a/tests/flattener_dicos/80empty_validenum/__init__.py b/tests/flattener_dicos/80unknown_valid_enum/__init__.py
similarity index 100%
rename from tests/flattener_dicos/80empty_validenum/__init__.py
rename to tests/flattener_dicos/80unknown_valid_enum/__init__.py
diff --git a/tests/flattener_dicos/80validenum_ouinon/00-base.xml b/tests/flattener_dicos/80valid_enum_ouinon/00-base.xml
similarity index 100%
rename from tests/flattener_dicos/80validenum_ouinon/00-base.xml
rename to tests/flattener_dicos/80valid_enum_ouinon/00-base.xml
diff --git a/tests/flattener_dicos/80unknown_validenum/__init__.py b/tests/flattener_dicos/80valid_enum_ouinon/__init__.py
similarity index 100%
rename from tests/flattener_dicos/80unknown_validenum/__init__.py
rename to tests/flattener_dicos/80valid_enum_ouinon/__init__.py
diff --git a/tests/flattener_dicos/10valid_enum_python/00-base.xml b/tests/flattener_dicos/80valid_enum_variable_not_multi/00-base.xml
similarity index 71%
rename from tests/flattener_dicos/10valid_enum_python/00-base.xml
rename to tests/flattener_dicos/80valid_enum_variable_not_multi/00-base.xml
index 022efc1e..acce41e5 100644
--- a/tests/flattener_dicos/10valid_enum_python/00-base.xml
+++ b/tests/flattener_dicos/80valid_enum_variable_not_multi/00-base.xml
@@ -10,6 +10,9 @@
             </variable>
         </family>
         <family name="enumfam" mode="expert">
+            <variable name="varmulti" type="string" description="multi" hidden="True">
+                <value>test</value>
+            </variable>
             <variable name="enumvar" type="string" description="multi">
                 <value>test</value>
             </variable>
@@ -19,8 +22,11 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param type="python">eosfunc.calc_multi_val(['test'])</param>
+            <param type="variable">varmulti</param>
         </check>
+        <fill name="calc_value" target="varmulti">
+            <param>test</param>
+        </fill>
     </constraints>
 
     <help>
diff --git a/tests/flattener_dicos/80validenum_ouinon/__init__.py b/tests/flattener_dicos/80valid_enum_variable_not_multi/__init__.py
similarity index 100%
rename from tests/flattener_dicos/80validenum_ouinon/__init__.py
rename to tests/flattener_dicos/80valid_enum_variable_not_multi/__init__.py
diff --git a/tests/flattener_dicos/80validenum_python_unknown/00-base.xml b/tests/flattener_dicos/80valid_enum_variable_unknown/00-base.xml
similarity index 67%
rename from tests/flattener_dicos/80validenum_python_unknown/00-base.xml
rename to tests/flattener_dicos/80valid_enum_variable_unknown/00-base.xml
index e02fa0e3..88767610 100644
--- a/tests/flattener_dicos/80validenum_python_unknown/00-base.xml
+++ b/tests/flattener_dicos/80valid_enum_variable_unknown/00-base.xml
@@ -10,8 +10,11 @@
             </variable>
         </family>
         <family name="enumfam" mode="expert">
+            <variable name="varmulti" type="string" description="multi" multi="True" hidden="True">
+                <value>test</value>
+            </variable>
             <variable name="enumvar" type="string" description="multi">
-                <value>c</value>
+                <value>test</value>
             </variable>
         </family>
         <separators/>
@@ -19,8 +22,11 @@
 
     <constraints>
         <check name="valid_enum" target="enumvar">
-            <param type="python">toto</param>
+            <param type="variable">varmulti_unknown</param>
         </check>
+        <fill name="calc_list" target="varmulti">
+            <param>test</param>
+        </fill>
     </constraints>
 
     <help>
diff --git a/tests/flattener_dicos/80validenum_python_not_list/__init__.py b/tests/flattener_dicos/80valid_enum_variable_unknown/__init__.py
similarity index 100%
rename from tests/flattener_dicos/80validenum_python_not_list/__init__.py
rename to tests/flattener_dicos/80valid_enum_variable_unknown/__init__.py
diff --git a/tests/flattener_dicos/80validenum_python_unknown/__init__.py b/tests/flattener_dicos/80validenum_python_unknown/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/tests/flattener_dicos/80validenum_python_unknownvalue/__init__.py b/tests/flattener_dicos/80validenum_python_unknownvalue/__init__.py
deleted file mode 100644
index e69de29b..00000000