__init__.py 文件源码

def get_version(self):
        """Fetches the current version number of the Graph API being used."""
        args = {"access_token": self.access_token}
        try:
            response = requests.request("GET",
                                        "https://graph.facebook.com/" +
                                        self.version + "/me",
                                        params=args,
                                        timeout=self.timeout,
                                        proxies=self.proxies)
        except requests.HTTPError as e:
            response = json.loads(e.read())
            raise GraphAPIError(response)

        try:
            headers = response.headers
            version = headers["facebook-api-version"].replace("v", "")
            return float(version)
        except Exception:
            raise GraphAPIError("API version number not available")