折腾：
［已解决］微信后台服务器如何发送图片给微信公众号的关注者用户
期间，Flask中，用代码：
respTicket = respQrcodeJson[‘ticket’] app.logger.debug(‘respTicket=%s’, respTicket) respQrcode = wechat.show_qrcode(respTicket) app.logger.debug(‘type(respQrcode)=%s, respQrcode=%s’, type(respQrcode), respQrcode) respQrcodeContent = respQrcode.content #app.logger.debug(‘type(respQrcodeContent)=%s, respQrcodeContent=%s’, type(respQrcodeContent), respQrcodeContent) app.logger.debug(‘type(respQrcodeContent)=%s’, type(respQrcodeContent)) # save qrcode data to tmp file curTimestamp = time.time() app.logger.debug(“type(curTimestamp)=%s, curTimestamp=%s”, type(curTimestamp), curTimestamp) qrcodeFullPath = “/tmp/%.3f.jpg” % (curTimestamp) app.logger.debug(“qrcodeFullPath=%s”, qrcodeFullPath) with open(qrcodeFullPath, ‘wb’) as f: f.write(respQrcodeContent) f.close() app.logger.debug(“saved qrcode image to %s ok”, qrcodeFullPath) with open(qrcodeFullPath, ‘rb’) as qrcodeFile: app.logger.debug(“type(qrcodeFile)=%s, qrcodeFile=%s”, type(qrcodeFile), qrcodeFile) uploadMediaResp = wechat.upload_media(media_type=”image”, media_file=qrcodeFile) app.logger.debug(“uploadMediaResp=%s”, uploadMediaResp) qrcodeFile.close() |
结果出错：
DEBUG in views [/usr/share/nginx/html/SIPEvents/sipevents/views.py:443]: type(curTimestamp)=<type ‘float’>, curTimestamp=1472214535.85 <div–<—————————————————————————— <div–<—————————————————————————— DEBUG in views [/usr/share/nginx/html/SIPEvents/sipevents/views.py:445]: qrcodeFullPath=/tmp/1472214535.847.jpg <div–<—————————————————————————— <div–<—————————————————————————— DEBUG in views [/usr/share/nginx/html/SIPEvents/sipevents/views.py:449]: saved qrcode image to /tmp/1472214535.847.jpg ok <div–<—————————————————————————— <div–<—————————————————————————— DEBUG in views [/usr/share/nginx/html/SIPEvents/sipevents/views.py:452]: type(qrcodeFile)=<type ‘file’>, qrcodeFile=<open file ‘/tmp/1472214535.847.jpg’, mode ‘rb’ at 0x7f88a7ee06f0> <div–<—————————————————————————— r.encoding ISO-8859-1 r.apparent_encoding ascii r.headers {‘date’: ‘Fri, 26 Aug 2016 12:28:56 GMT’, ‘connection’: ‘keep-alive’, ‘content-type’: ‘text/plain’, ‘content-length’: ’68’} r.url https://api.weixin.qq.com/cgi-bin/media/upload?access_token=4XX0K5L3R-z_9b-MJ5o80YMqUTZ1XuW1aAxMNGtjFYHmiYCFlamst45HbXk-MdCoI_8sZUvOiLU4yju4sIyNIr500aL8QP8h7vkavN1QK1N-9IJ9kBYVeBuffcwGVohnHBKaABAOIR&type=image r.text {“errcode”:41005,”errmsg”:”media data missing hint: [ScXL0536e292]”} type(r)= <class ‘requests.models.Response’> r= <Response [200]> [2016-08-26 20:28:56 +0000] [6242] [ERROR] Error handling request /create_event_qrcode?eventId=10 Traceback (most recent call last): File “/root/Envs/SIPEvents/lib/python2.7/site-packages/gunicorn/workers/sync.py”, line 135, in handle self.handle_request(listener, req, client, addr) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/gunicorn/workers/sync.py”, line 176, in handle_request respiter = self.wsgi(environ, resp.start_response) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/flask/app.py”, line 2000, in __call__ return self.wsgi_app(environ, start_response) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/flask/app.py”, line 1991, in wsgi_app response = self.make_response(self.handle_exception(e)) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/flask/app.py”, line 1567, in handle_exception reraise(exc_type, exc_value, tb) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/flask/app.py”, line 1988, in wsgi_app response = self.full_dispatch_request() File “/root/Envs/SIPEvents/lib/python2.7/site-packages/flask/app.py”, line 1641, in full_dispatch_request rv = self.handle_user_exception(e) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/flask/app.py”, line 1544, in handle_user_exception reraise(exc_type, exc_value, tb) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/flask/app.py”, line 1639, in full_dispatch_request rv = self.dispatch_request() File “/root/Envs/SIPEvents/lib/python2.7/site-packages/flask/app.py”, line 1625, in dispatch_request return self.view_functions[rule.endpoint](**req.view_args) File “/usr/share/nginx/html/SIPEvents/sipevents/views.py”, line 453, in create_event_qrcode uploadMediaResp = wechat.upload_media(media_type=”image”, media_file=qrcodeFile) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/wechat_sdk-0.6.4-py2.7.egg/wechat_sdk/basic.py”, line 428, in upload_media return self._upload_media_py2(media_type, media_file, extension) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/wechat_sdk-0.6.4-py2.7.egg/wechat_sdk/basic.py”, line 453, in _upload_media_py2 ‘media’: (filename, media_file, convert_ext_to_mime(extension)) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/wechat_sdk-0.6.4-py2.7.egg/wechat_sdk/lib/request.py”, line 104, in post **kwargs File “/root/Envs/SIPEvents/lib/python2.7/site-packages/wechat_sdk-0.6.4-py2.7.egg/wechat_sdk/lib/request.py”, line 74, in request self._check_official_error(response_json) File “/root/Envs/SIPEvents/lib/python2.7/site-packages/wechat_sdk-0.6.4-py2.7.egg/wechat_sdk/lib/request.py”, line 113, in _check_official_error raise OfficialAPIError(errcode=json_data.get(‘errcode’), errmsg=json_data.get(‘errmsg’, ”)) OfficialAPIError: 41005: media data missing hint: [ScXL0536e292] |
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去看了看代码：
可能是我自己的问题，
至少是：
我对于：
/root/Envs/SIPEvents/lib/python2.7/site-packages/wechat_sdk-0.6.4-py2.7.egg/wechat_sdk/lib/request.py
把之前的：
def request(self, method, url, access_token=None, **kwargs): |
的：
r = requests.request( method=method, url=url, **kwargs ) |
加了headers，变成了：
r = requests.request( method=method, headers = { ‘Content-Type’ : ‘application/json; charset=UTF-8’, ‘Accept-Type’ : ‘application/json; charset=UTF-8’ }, url=url, **kwargs ) |
所以，先去掉之前加上的这个headers再说。
然后就可以了。。。
［总结］
此处之所以用python的微信的SDK wechat-python-sdk的调用：
wechat.upload_media
去上传文件，之所以出错：
OfficialAPIError: 41005: media data missing hint: [ScXL0536e292]
是因为之前对于：
wechat_sdk-0.6.4-py2.7.egg/wechat_sdk/lib/request.py
调试期间，把：
r = requests.request( method=method, url=url, **kwargs ) |
改为了：
r = requests.request( method=method, headers = { ‘Content-Type’ : ‘application/json; charset=UTF-8’, ‘Accept-Type’ : ‘application/json; charset=UTF-8’ }, url=url, **kwargs ) |
导致此处post上传文件时，内部数据处理异常，估计是导致找不到media项了，
所以才报此错误。
解决办法是：
去掉即可，变为原先的：
r = requests.request( method=method, url=url, **kwargs ) |
即可正常上传资源文件。
另外，根据官网：
的解释，请注意：
上传资源文件时，注意不要超过大小限制：
“注意事项
上传的临时多媒体文件有格式和大小限制，如下：
- 图片（image）: 1M，支持JPG格式
- 语音（voice）：2M，播放长度不超过60s，支持AMR\MP3格式
- 视频（video）：10MB，支持MP4格式
- 缩略图（thumb）：64KB，支持JPG格式
媒体文件在后台保存时间为3天，即3天后media_id失效。”
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