如何appcfg回滚我的项目?

use*_*812 7 google-app-engine cmd

我正在使用Google App Engine上传我的python项目但是一旦我尝试上传我的项目,我收到此错误:

2013-07-24 20:21:06 Running command: "['C:\\Python26\\python.exe', '-u', 'C:\\Program Files\\Google\\google_appengine\\appcfg.py', '--no_cookies', u'--email=thomasston54321@gmail.com', '--passin', 'update', 'C:\\Users\\Thomas Stone\\Documents\\proxy-server']"
08:21 PM Host: appengine.google.com
08:21 PM Application: mathsonlinegames; version: secureable
08:21 PM 
Starting update of app: mathsonlinegames, version: secureable
08:21 PM Getting current resource limits.
Password for thomasston54321@gmail.com: 08:21 PM Scanning files on local disk.
Error 409: --- begin server output ---
Another transaction by user Thomasston54321 is already in progress for app: s~mathsonlinegames, version: secureable. That user can undo the transaction with "appcfg rollback".
--- end server output ---
2013-07-24 20:21:16 (Process exited with code 1)

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因此我在CMD中尝试过这个:

cd C:\Program Files\Google\google_appengine
appcfg.py rollback C:\Users\Thomas Stone\Documents\proxy-server
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但是我在CMD中收到了这个错误

Usage: appcfg.py [options] rollback <directory> | <file>

appcfg.py: error: Expected a single <directory> or <file> argument.
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cli*_*ray 15

你需要进入src文件夹.

然后做:

appcfg.py --no_cookies --email=YOUR_EMAIL_HERE@gmail.com --passin rollback ./
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这总是对我有用.