如何更新Python Egg中的文件
我们正在使用 trac。在我们的设置中，我们有一个在存储库中解决的问题。因此，我从存储库中获取了固定文件 commit_update.py，我需要将其放入 Trac-0.12-py2.6.egg 中。
由于 Egg 只是一个压缩文件，我只是将其解压缩，更改文件并再次压缩。重新启动 trac 后，我收到一条错误消息：
ExtractionError: Can't extract file(s) to egg cache
The following error occurred while trying to extract file(s) to the Python egg
cache:
[Errno 20] Not a directory
The Python egg cache directory is currently set to:
/var/trac/plugin-cache
Perhaps your account does not have write access to this directory? You can
change the cache directory by setting the PYTHON_EGG_CACHE environment
variable to point to an accessible directory.
我不太明白为什么会出现此错误，因为我在 www-data 下运行 trac 实例，并且它是插件缓存的所有者。
会欣赏任何想法。
We are using trac. In our setup we have a problem that is solved in repository. So I got the fixed file commit_update.py from the repository and I need to place it into Trac-0.12-py2.6.egg.
As egg is just a ziped filed I just unziped it, changed the file and ziped again. After restarting trac, I've got a an error message:
ExtractionError: Can't extract file(s) to egg cache
The following error occurred while trying to extract file(s) to the Python egg
cache:
[Errno 20] Not a directory
The Python egg cache directory is currently set to:
/var/trac/plugin-cache
Perhaps your account does not have write access to this directory? You can
change the cache directory by setting the PYTHON_EGG_CACHE environment
variable to point to an accessible directory.
I don't quite understand why I got this error, because I'm running trac instance under www-data and it is the owner of the plugin-cache.
Will appreciate any ideas.
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只需构建一个新的egg（使用
python setup.py bdist_egg），重新安装egg并重新启动您的trac实例。Just build a new egg (with
python setup.py bdist_egg), reinstall the egg and restart your trac instance.我只是使用解压缩 Egg 文件，
这在同一路径中创建了一个名为 tastypie 的新文件夹，然后，我将文件更改到其中，之后，我删除了 Egg 文件并继续仅使用新文件夹。
I just unzip the egg file using
This created a new folder in same path called tastypie, then, I changed files into it, and after that, I removed the egg file and keep using only the new folder.