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我試圖自動刷新我的應用程序的背景中的訪問令牌。我讀過這篇博文（https://developer.linkedin.com/blog/tips-and-tricks-refreshing-access-token），但我仍然無法弄清楚。刷新LinkedIn訪問令牌自動
當我嘗試使用此POST請求（https://www.linkedin.com/uas/oauth/authenticate?oauth_token=XXXXXXXXX，其中XXXXXXXXX被前面獲得的請求令牌替換）刷新令牌時，我得到一個空的訪問令牌。
我按照以下步驟在Python中執行這些步驟。
request_token_url = 'https://api.linkedin.com/uas/oauth/requestToken?scope=r_fullprofile+rw_groups'
authorize_url = 'https://www.linkedin.com/uas/oauth/authenticate'
consumer = oauth.Consumer(consumer_key, consumer_secret)
client = oauth.Client(consumer)
# fetch a request token
resp, content = client.request(request_token_url, "POST")
request_token = dict(urlparse.parse_qsl(content))
# send a request to refresh an access token
resp, content = client.request("%s?oauth_token=%s" % (authorize_url, request_token['oauth_token']), "POST")
print resp,content
然後，RESP是
{'-content-encoding': 'gzip',
'age': '1',
'connection': 'keep-alive',
'content-language': 'en-US',
'content-length': '0',
'date': 'Sun, 03 Mar 2013 13:11:05 GMT',
'location': 'https://www.linkedin.com/uas/oauth/authorize?oauth_token=9e8c5d13-208f-405d-885f-3365e7098fc1&state=',
'p3p': 'CP="CAO DSP COR CUR ADMi DEVi TAIi PSAi PSDi IVAi IVDi CONi OUR DELi SAMi UNRi PUBi OTRi IND PHY ONL UNI PUR FIN COM NAV INT DEM CNT POL PRE"',
'server': 'Apache-Coyote/1.1',
'set-cookie': '_lipt=deleteMe; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/, bcookie="v=2&2b52692f-de6c-4ba5-9a2c-62e020790a41"; Version=1; Domain=linkedin.com; Max-Age=63072000; Expires=Tue, 03-Mar-2015 13:11:06 GMT; Path=/, leo_auth_token="GST:9isMS9qbt9c-2XNJU0diaae-LMc-uie4STjVn5qiIk_JtnNvbbPKMS:1362316266:d50e8735b56508fda71b68bd9a5395176e9e603d"; Version=1; Max-Age=1799; Expires=Sun, 03-Mar-2013 13:41:05 GMT; Path=/, sl="delete me"; Version=1; Max-Age=0; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/, s_leo_auth_token="delete me"; Version=1; Max-Age=0; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/, JSESSIONID="ajax:2593452035081810950"; Version=1; Path=/, visit="v=1&G"; Version=1; Max-Age=63072000; Expires=Tue, 03-Mar-2015 13:11:06 GMT; Path=/, lang="v=2&lang=en-us"; Version=1; Domain=linkedin.com; Path=/, X-LI-IDC=C1',
'status': '302',
'vary': 'Accept-Encoding',
'x-li-uuid': 'TxiUiruqZNIVm5J4ldUQ0w=='}
和內容是空的，但它應該包含刷新訪問令牌。
我在這裏做錯了什麼？