_interface.py 文件源码

def _new_(self, name):
        '''Overwrite the hook ``name`` with a priorityhook.'''
        if not hasattr(self.object, name):
            cls = self.__class__
            raise AttributeError("{:s}._new_({!r}) : Unable to create a hook for unknown method.".format('.'.join(('internal',__name__,cls.__name__)), name))

        def method(hookinstance, *args):
            if name in self.__cache and name not in self.__disabled:
                hookq = self.__cache[name][:]

                for _,func in heapq.nsmallest(len(hookq), hookq):
                    try:
                        res = func(*args)
                    except:
                        cls = self.__class__
                        message = functools.partial("{:s}.callback : {:s}".format, '.'.join(('internal',__name__,cls.__name__)))

                        logging.fatal("{:s}.callback : Callback for {:s} raised an exception.".format('.'.join(('internal',__name__,cls.__name__)), '.'.join((self.__type__.__name__,name))))
                        res = map(message, traceback.format_exception(*sys.exc_info()))
                        map(logging.fatal, res)

                        logging.warn("{:s}.callback : Hook originated from -> ".format('.'.join(('internal',__name__,cls.__name__))))
                        res = map(message, traceback.format_list(self.__traceback[name,func]))
                        map(logging.warn, res)

                        res = self.STOP

                    if not isinstance(res, self.result) or res == self.CONTINUE:
                        continue
                    elif res == self.STOP:
                        break
                    cls = self.__class__
                    raise TypeError("{:s}.callback : Unable to determine result type. : {!r}".format('.'.join(('internal',__name__,cls.__name__)), res))

            supermethod = getattr(super(hookinstance.__class__, hookinstance), name)
            return supermethod(*args)
        return types.MethodType(method, self.object, self.object.__class__)