def interfaces(self, herited=True, handler_func=_iface_hdlr): """return an iterator on interfaces implemented by the given class node """ # FIXME: what if __implements__ = (MyIFace, MyParent.__implements__)... try: implements = Instance(self).getattr("__implements__")[0] except NotFoundError: return if not herited and not implements.frame() is self: return found = set() missing = False for iface in unpack_infer(implements): if iface is YES: missing = True continue if not iface in found and handler_func(iface): found.add(iface) yield iface if missing: raise InferenceError()
def interfaces(self, herited=True, handler_func=_iface_hdlr): """return an iterator on interfaces implemented by the given class node """ # FIXME: what if __implements__ = (MyIFace, MyParent.__implements__)... try: implements = Instance(self).getattr('__implements__')[0] except NotFoundError: return if not herited and not implements.frame() is self: return found = set() missing = False for iface in unpack_infer(implements): if iface is YES: missing = True continue if not iface in found and handler_func(iface): found.add(iface) yield iface if missing: raise InferenceError()