diff options
Diffstat (limited to 'src/zope/interface/common/__init__.py')
| -rw-r--r-- | src/zope/interface/common/__init__.py | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/zope/interface/common/__init__.py b/src/zope/interface/common/__init__.py index acbc581..a8bedf0 100644 --- a/src/zope/interface/common/__init__.py +++ b/src/zope/interface/common/__init__.py @@ -121,19 +121,20 @@ class ABCInterfaceClass(InterfaceClass): # go ahead and give us a name to ease debugging. self.__name__ = name extra_classes = attrs.pop('extra_classes', ()) + ignored_classes = attrs.pop('ignored_classes', ()) if 'abc' not in attrs: # Something like ``IList(ISequence)``: We're extending # abc interfaces but not an ABC interface ourself. - self.__class__ = InterfaceClass InterfaceClass.__init__(self, name, bases, attrs) - for cls in extra_classes: - classImplements(cls, self) + ABCInterfaceClass.__register_classes(self, extra_classes, ignored_classes) + self.__class__ = InterfaceClass return based_on = attrs.pop('abc') self.__abc = based_on self.__extra_classes = tuple(extra_classes) + self.__ignored_classes = tuple(ignored_classes) assert name[1:] == based_on.__name__, (name, based_on) methods = { @@ -216,11 +217,14 @@ class ABCInterfaceClass(InterfaceClass): method.positional = method.positional[1:] return method - def __register_classes(self): + def __register_classes(self, conformers=None, ignored_classes=None): # Make the concrete classes already present in our ABC's registry # declare that they implement this interface. - - for cls in self.getRegisteredConformers(): + conformers = conformers if conformers is not None else self.getRegisteredConformers() + ignored = ignored_classes if ignored_classes is not None else self.__ignored_classes + for cls in conformers: + if cls in ignored: + continue classImplements(cls, self) def getABC(self): |