add _second_level_validation (second's one return only warning almost _validator raise)

tiramisu/option.py

@@ -473,7 +473,7 @@ class Option(BaseOption):
 
         def do_validation(_value, _index=None):
             if _value is None:
-                return True
+                return
             ret_validation = None
             try:
                 # valid with self._validator
@@ -481,6 +481,7 @@ class Option(BaseOption):
                 # if not context launch consistency validation
                 if context is not None:
                     descr._valid_consistency(self, _value, context, _index)
+                self._second_level_validation(_value)
             except ValueError as err:
                 msg = _("invalid value {0} for option {1}: {2}").format(
                     _value, self._name, err)
@@ -610,6 +611,9 @@ class Option(BaseOption):
             else:
                 self._state_callback = (callback, cllbck_prms)
 
+    def _second_level_validation(self, value):
+        pass
+
 
 class ChoiceOption(Option):
     """represents a choice out of several objects.
@@ -777,6 +781,9 @@ class IPOption(Option):
                                        only_warning=only_warning)
 
     def _validate(self, value):
+        IP('{0}/32'.format(value))
+
+    def _second_level_validation(self, value):
         ip = IP('{0}/32'.format(value))
         if not self._allow_reserved and ip.iptype() == 'RESERVED':
             raise ValueError(_("IP mustn't not be in reserved class"))
@@ -860,6 +867,9 @@ class NetworkOption(Option):
     _opt_type = 'network'
 
     def _validate(self, value):
+        IP(value)
+
+    def _second_level_validation(self, value):
         ip = IP(value)
         if ip.iptype() == 'RESERVED':
             raise ValueError(_("network shall not be in reserved class"))