permissions.py 文件源码

def decorate_url_pattern(self, pattern, *args, **kwargs):
        """Decorate a RegexURLPattern or RegexURLResolver.

        Args:
            resolve_fn: Either RegexURLPattern or RegexURLResolver, from
                django.core.urlresolvers

        This decorates the callback for a url after it gets resolved with
        self.decorate_method.
        """
        resolve_fn = pattern.resolve

        @functools.wraps(resolve_fn)
        def patch_resolve(path):
            result = resolve_fn(path)
            if result:
                result.func = self.decorate_method(
                    result.func, *args, **kwargs)
            return result
        pattern.resolve = patch_resolve
        return pattern