def uploadmedia(imgname):
url_api = 'https://oapi.dingtalk.com/media/upload?access_token='
upload_url = url_api + access_token + str('&type=image') #access_token=234567890自己的ID
register_openers()
datagen, headers = multipart_encode({"media": open(imgname, "rb")})
# headers = {"Content-Type":"application/json", "Charset":"utf8"}
request = urllib2.Request(upload_url, datagen, headers)
result = urllib2.urlopen(request).read()
result = json.loads(result)
return result.get('media_id')
media_id = uploadmedia(imgname)
print media_id
