__init__.py 文件源码

def __call__(self, obj, *args, **kwargs):
        @wraps(obj)
        def new_func(*args, **kwargs):
            msg = "Call to deprecated function or class {0} ({1})".format(obj.__name__,
                                                               self.reason)
            if inspect.isfunction(obj):
                _code = self._wrap_function(obj)
            elif inspect.isclass(obj):
                _code = self._wrap_class(obj)

            warnings.warn_explicit(
                '{0}.'.format(msg),
                category=UserWarning,
                filename=_code.co_filename,
                lineno=_code.co_firstlineno + 1
            )
            return obj(*args, **kwargs)
        return new_func