fix: valid mode even if there is no mode configured

src/rougail/annotator/variable.py

@@ -75,11 +75,11 @@ class Annotator(Walk):  # pylint: disable=R0903
             self.forbidden_name = []
         # default type inference from a default value with :term:`basic types`
         self.basic_types = {str: "string", int: "number", bool: "boolean", float: "float"}
+        self.verify_choices()
         self.convert_variable()
         self.convert_test()
         self.convert_examples()
         self.convert_help()
-        self.verify_choices()
 
     def convert_variable(self):
         """convert variable"""
@@ -135,7 +135,7 @@ class Annotator(Walk):  # pylint: disable=R0903
             return
         # copy type and params
         calculated_variable_path = variable.default.variable
-        calculated_variable, suffix = self.objectspace.paths.get_with_dynamic(
+        calculated_variable, identifier = self.objectspace.paths.get_with_dynamic(
             calculated_variable_path, variable.default.path_prefix, variable.path, variable.version, variable.namespace, variable.xmlfiles
         )
         if calculated_variable is None:
@@ -171,15 +171,20 @@ class Annotator(Walk):  # pylint: disable=R0903
             family = self.objectspace.paths[variable.path.rsplit(".", 1)[0]]
             if variable.hidden:
                 family.hidden = variable.hidden
-            elif family.hidden:
+#            elif family.hidden:
-                variable.hidden = family.hidden
+#                variable.hidden = family.hidden
             variable.hidden = None
-        if variable.choices is not None and variable.type != 'choice':
-            msg = _(f'the variable "{variable.path}" has choices attribut but has not the "choice" type')
-            raise DictConsistencyError(msg, 11, variable.xmlfiles)
         if variable.regexp is not None and variable.type != 'regexp':
             msg = _(f'the variable "{variable.path}" has regexp attribut but has not the "regexp" type')
             raise DictConsistencyError(msg, 37, variable.xmlfiles)
+        if variable.mandatory is None:
+            family_path = variable.path
+            hidden = variable.hidden is True
+            while '.' in family_path and not hidden:
+                family_path = family_path.rsplit(".", 1)[0]
+                family = self.objectspace.paths[family_path]
+                hidden = family.hidden is True
+            variable.mandatory = not hidden
 
     def convert_test(self):
         """Convert variable tests value"""
@@ -213,8 +218,18 @@ class Annotator(Walk):  # pylint: disable=R0903
 
     def verify_choices(self):
         for variable in self.get_variables():
-            if variable.type != 'choice' or variable.default is None:
+            if variable.type is None and variable.choices:
+                # choice type inference from the `choices` attribute
+                variable.type = "choice"
+            if variable.choices is not None and variable.type != 'choice':
+                msg = _(f'the variable "{variable.path}" has choices attribut but has not the "choice" type')
+                raise DictConsistencyError(msg, 11, variable.xmlfiles)
+            if variable.type != 'choice':
                 continue
+            if variable.default is None:
+                continue
+            if None in variable.choices and variable.mandatory is None:
+                variable.mandatory = False
             if not isinstance(variable.choices, list):
                 continue
             choices = variable.choices

tests/dictionaries/04_1auto_save_and_hidden/dictionaries/rougail/00-base.yml

@@ -5,3 +5,4 @@ var:
   auto_save: true
   hidden: true
   default: 'yes'
+  mandatory: false

tests/dictionaries/16_5exists_redefine/dictionaries/rougail/00-base.yml

@@ -4,3 +4,4 @@ var1:
   description: a first variable
   hidden: true
   default: "no"
+  mandatory: false

tests/dictionaries/16_5redefine_hidden/dictionaries/rougail/01-redefine.yml

@@ -3,3 +3,4 @@ version: '1.1'
 variable:
   redefine: true
   hidden: true
+  mandatory: false

tests/dictionaries/17_5redefine_leadership/dictionaries/rougail/00-base.yml

@@ -2,5 +2,10 @@
 version: '1.1'
 leader:  # a leadership
   type: leadership
-  leader: []  # a leader
+  leader:
-  follower:  # a follower
+    description: a leader
+    multi: true
+    mandatory: false
+  follower:
+    description: a follower
+    mandatory: false

tests/dictionaries/20_0family_underscore/dictionaries/rougail/00-base.yml

@@ -11,13 +11,16 @@ my_family:
     description: a type family
     type: family
     my_variable:
+      mandatory: false
   description:
     description: This is a other great family
     my_variable:
+      mandatory: false
   help:
     description: a help family
     help: This is a other great family
     my_variable:
+      mandatory: false
   mode:
     description: a mode family
     mode: advanced
@@ -27,7 +30,9 @@ my_family:
     description: an hidden family
     hidden: true
     my_variable:
+      mandatory: false
   disabled:
     description: an disabled family
     disabled: true
     my_variable:
+      mandatory: false

tests/dictionaries/44_0leadership_hidden/dictionaries/rougail/00-base.yml

@@ -6,6 +6,10 @@ leader:
   hidden: true
   type: leadership
 
-  leader:  # a leader
+  leader:
+    description: a leader
+    mandatory: false
 
-  follower:  # a follower
+  follower:
+    description: a follower
+    mandatory: false

tests/dictionaries/44_0leadership_leader_hidden/dictionaries/rougail/00-base.yml

@@ -8,5 +8,8 @@ leader:
     description: a leader
     multi: true
     hidden: true
+    mandatory: false
 
-  follower:  # a follower
+  follower:
+    description: a follower
+    mandatory: false

tests/dictionaries/44_1leadership_append_hidden_follower/dictionaries/rougail/00-base.yml

@@ -7,5 +7,10 @@ leader:
     description: a leader
     multi: true
     hidden: true
-  follower1:  # the follower1
+    mandatory: false
-  follower2:  # the follower2
+  follower1:
+    description: the follower1
+    mandatory: false
+  follower2:
+    description: the follower2
+    mandatory: false

tests/dictionaries/44_1leadership_append_hidden_follower/dictionaries/rougail/01-base.yml

@@ -1,4 +1,6 @@
 ---
 version: '1.1'
 leader:
-  follower3:  # follower3
+  follower3:
+    description: follower3
+    mandatory: false

tests/dictionaries/60_0family_hidden/dictionaries/rougail/00-base.yml

@@ -1,4 +1,6 @@
 ---
 version: '1.1'
 family:  # a family
-  var:  # a variable
+  var:
+    description: a variable
+    mandatory: false