regression: permissive for option is apply every time, not only when global permissive is set

test/test_permissive.py

@@ -120,7 +120,7 @@ def test_permissive_option():
         config.u1
     except PropertiesOptionError as err:
         props = err.proptype
-    assert props == ['disabled']
+    assert props == []
     props = []
     try:
         config.u2
@@ -143,7 +143,7 @@ def test_permissive_option():
         config.u1
     except PropertiesOptionError as err:
         props = err.proptype
-    assert props == ['disabled']
+    assert props == []
     props = []
     try:
         config.u2
@@ -182,20 +182,12 @@ def test_permissive_option_frozen():
     setting = config.cfgimpl_get_settings()
     config.read_write()
     setting.setpermissive(('frozen', 'disabled'), u1)
-    try:
-        config.u1 = 1
-    except PropertiesOptionError as err:
-        props = err.proptype
-    assert set(props) == set(['frozen', 'disabled'])
-    setting.append('permissive')
     config.u1 = 1
     assert config.u1 == 1
+    setting.append('permissive')
+    assert config.u1 == 1
     setting.remove('permissive')
-    try:
-        config.u1 = 1
-    except PropertiesOptionError as err:
-        props = err.proptype
-    assert set(props) == set(['frozen', 'disabled'])
+    assert config.u1 == 1
 
 
 def test_invalid_option_permissive():

tiramisu/setting.py

@@ -248,6 +248,8 @@ class Undefined():
 
 
 undefined = Undefined()
+
+
 # ____________________________________________________________
 class Property(object):
     "a property is responsible of the option's value access rules"
@@ -283,6 +285,7 @@ class Property(object):
             self._properties.remove(propname)
             self._setting._setproperties(self._properties, self._opt,
                                          self._path)
+
     def extend(self, propnames):
         """Extends properties to the existing properties
 
@@ -435,7 +438,8 @@ class Settings(object):
         properties = copy(self._getproperties(opt_or_descr, path))
         self_properties = copy(self._getproperties())
         # remove opt permissive
-        if force_permissive is True or 'permissive' in self_properties:
+        # permissive affect option's permission with or without permissive
+        # global property
         properties -= self._p_.getpermissive(path)
         # remove global permissive if need
         if force_permissive is True or 'permissive' in self_properties: