instaloader.py 文件源码

def load_session_from_file(self, username: str, filename: Optional[str] = None) -> None:
        """Internally stores :class:`requests.Session` object loaded from file.

        If filename is None, the file with the default session path is loaded.

        :raises FileNotFoundError: If the file does not exist.
        """
        if filename is None:
            filename = get_default_session_filename(username)
        with open(filename, 'rb') as sessionfile:
            session = requests.Session()
            session.cookies = requests.utils.cookiejar_from_dict(pickle.load(sessionfile))
            session.headers.update(self._default_http_header())
            session.headers.update({'X-CSRFToken': session.cookies.get_dict()['csrftoken']})
            self._log("Loaded session from %s." % filename)
            self.session = session
            self.username = username