<p>我用以下方法解决了这个问题：</p>
<pre><code>client.UpgradeToSessionToken(gdata.auth.extract_auth_sub_token_from_url(self.request.url))
</code></pre>
<p>但这在构建上载表单时引发了另一个问题</p>
^{pr2}$
<p>我收到：</p>
<pre><code>Traceback (most recent call last):
File "/base/python_runtime/python_lib/versions/1/google/appengine/ext/webapp/__init__.py", line 513, in __call__
handler.post(*groups)
File "/base/data/home/apps/5th-anniversary/1.341859541699944556/upload.py", line 106, in post
form = u.getUploadForm(self,title,description,keywords)
File "/base/data/home/apps/5th-anniversary/1.341859541699944556/upload.py", line 65, in getUploadForm
response = client.GetFormUploadToken(video_entry,'http://gdata.youtube.com/action/GetUploadToken')
File "/base/data/home/apps/5th-anniversary/1.341859541699944556/gdata/youtube/service.py", line 716, in GetFormUploadToken
raise YouTubeError(e.args[0])
YouTubeError: {'status': 401L, 'body': '<HTML>\n<HEAD>\n<TITLE>User authentication required.</TITLE>\n</HEAD>\n<BODY BGCOLOR="#FFFFFF" TEXT="#000000">\n<H1>User authentication required.</H1>\n<H2>Error 401</H2>\n</BODY>\n</HTML>\n', 'reason': ''}
</code></pre>
