resource.py 文件源码

def can_resolve(self, uri_path, from_resource=None):
        uri_path = Resource.normalize(uri_path)
        fragment = uri_path.rsplit('#', maxsplit=1)
        if len(fragment) == 2:
            uri_str, fragment = fragment
        else:
            return False
        if uri_str in self.resources:
            return True
        start = from_resource.uri.normalize() if from_resource else '.'
        apath = path.dirname(start)
        uri = URI(path.join(apath, uri_str))
        return uri.normalize() in self.resources