微信服务号的access_token刷新机制 about wechatpy

[messense]

wechatpy/wechatpy/client/base.py

Lines 117 to 132 in 7dbc560

	if "errcode" in result and result["errcode"] != 0:
	errcode = result["errcode"]
	errmsg = result.get("errmsg", errcode)
	if self.auto_retry and errcode in (
	WeChatErrorCode.INVALID_CREDENTIAL.value,
	WeChatErrorCode.INVALID_ACCESS_TOKEN.value,
	WeChatErrorCode.EXPIRED_ACCESS_TOKEN.value,
	):
	logger.info("Access token expired, fetch a new one and retry request")
	self.fetch_access_token()
	access_token = self.session.get(self.access_token_key)
	kwargs["params"]["access_token"] = access_token
	return self._request(method=method, url_or_endpoint=url, result_processor=result_processor, **kwargs)
	elif errcode == WeChatErrorCode.OUT_OF_API_FREQ_LIMIT.value:
	# api freq out of limit
	raise APILimitedException(errcode, errmsg, client=self, request=res.request, response=res)

过期自动更新。