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# -*- coding: utf-8 -*- |
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from __future__ import absolute_import, unicode_literals |
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import time |
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from wechatpy.client.base import BaseWeChatClient |
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from wechatpy.client import api |
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class WeChatClient(BaseWeChatClient): |
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""" |
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微信 API 操作类 |
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通过这个类可以操作微信 API，发送主动消息、群发消息和创建自定义菜单等。 |
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""" |
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API_BASE_URL = 'https://api.weixin.qq.com/cgi-bin/' |
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card = api.WeChatCard() |
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customservice = api.WeChatCustomService() |
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datacube = api.WeChatDataCube() |
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device = api.WeChatDevice() |
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group = api.WeChatGroup() |
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invoice = api.WeChatInvoice() |
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jsapi = api.WeChatJSAPI() |
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material = api.WeChatMaterial() |
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media = api.WeChatMedia() |
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menu = api.WeChatMenu() |
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merchant = api.WeChatMerchant() |
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message = api.WeChatMessage() |
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misc = api.WeChatMisc() |
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poi = api.WeChatPoi() |
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qrcode = api.WeChatQRCode() |
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scan = api.WeChatScan() |
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semantic = api.WeChatSemantic() |
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shakearound = api.WeChatShakeAround() |
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tag = api.WeChatTag() |
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template = api.WeChatTemplate() |
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user = api.WeChatUser() |
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wifi = api.WeChatWiFi() |
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wxa = api.WeChatWxa() |
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marketing = api.WeChatMarketing() |
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cloud = api.WeChatCloud() |
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def __init__(self, appid, secret, access_token=None, |
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session=None, timeout=None, auto_retry=True): |
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super(WeChatClient, self).__init__( |
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appid, access_token, session, timeout, auto_retry |
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) |
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self.appid = appid |
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self.secret = secret |
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def fetch_access_token(self): |
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""" |
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获取 access token |
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详情请参考 http://mp.weixin.qq.com/wiki/index.php?title=通用接口文档 |
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:return: 返回的 JSON 数据包 |
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""" |
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return self._fetch_access_token( |
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url='https://api.weixin.qq.com/cgi-bin/token', |
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params={ |
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'grant_type': 'client_credential', |
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'appid': self.appid, |
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'secret': self.secret |
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} |
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) |
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class WeChatComponentClient(WeChatClient): |
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""" |
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开放平台代公众号调用客户端 |
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""" |
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def __init__(self, appid, component, access_token=None, |
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refresh_token=None, session=None, timeout=None): |
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# 未用到secret，所以这里没有 |
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super(WeChatComponentClient, self).__init__( |
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appid, '', '', session, timeout |
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) |
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self.appid = appid |
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self.component = component |
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# 如果公众号是刚授权，外部还没有缓存access_token和refresh_token |
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# 可以传入这两个值，session 会缓存起来。 |
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# 如果外部已经缓存，这里只需要传入 appid，component和session即可 |
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cache_access_token = self.session.get(self.access_token_key) |
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if access_token and (not cache_access_token or cache_access_token != access_token): |
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self.session.set(self.access_token_key, access_token, 7200) |
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if refresh_token: |
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self.session.set(self.refresh_token_key, refresh_token) |
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@property |
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def access_token_key(self): |
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return '{0}_access_token'.format(self.appid) |
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@property |
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def refresh_token_key(self): |
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return '{0}_refresh_token'.format(self.appid) |
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@property |
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def access_token(self): |
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access_token = self.session.get(self.access_token_key) |
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if not access_token: |
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self.fetch_access_token() |
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access_token = self.session.get(self.access_token_key) |
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return access_token |
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@property |
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def refresh_token(self): |
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return self.session.get(self.refresh_token_key) |
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def fetch_access_token(self): |
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""" |
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获取 access token |
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详情请参考 https://open.weixin.qq.com/cgi-bin/showdocument?action=dir_list\ |
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&t=resource/res_list&verify=1&id=open1419318587&token=&lang=zh_CN |
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这是内部刷新机制。请不要完全依赖！ |
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因为有可能在缓存期间没有对此公众号的操作，造成refresh_token失效。 |
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:return: 返回的 JSON 数据包 |
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""" |
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expires_in = 7200 |
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result = self.component.refresh_authorizer_token( |
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self.appid, self.refresh_token) |
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if 'expires_in' in result: |
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expires_in = result['expires_in'] |
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self.session.set( |
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self.access_token_key, |
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result['authorizer_access_token'], |
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expires_in |
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) |
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self.expires_at = int(time.time()) + expires_in |
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return result |
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jxtech /
wechatpy
