Python 2.6 到 2.5 备忘单
我已经编写了针对 Python 2.6.5 的代码，但现在我需要在只有 2.5.4 的集群上运行它，而这在我编写代码时还没有出现。将代码向后移植到 2.5 应该不会太难，但我想知道是否有备忘单或自动化工具可以帮助我完成此任务。对于某些事情，例如 with 语句，正确的 __future__ 导入可以解决问题，但对于其他一些事情则不然。
I've written my code to target Python 2.6.5, but I now need to run it on a cluster that only has 2.5.4, something that wasn't on the horizon when I wrote the code. Backporting the code to 2.5 shouldn't be too hard, but I was wondering if there was either a cheat-sheet or an automated tool that would help me with this. For some things, like the with statement, the right __future__ imports will do the trick, but not for some other things.
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您尝试过 pyqver 吗？它会告诉你你的代码所需的最低Python版本
我希望它有帮助
Have you tried pyqver? It will tell you which is the minimum version of Python required by your code
I hope it helps
您是否阅读过 Python 2.6 的新增功能文档？它描述了 2.5->2.6 方向，但你应该能够从中找出相反的方向。
据我所知，2.6到2.5还没有自动化工具。我所知道的唯一工具是用于转到 Python 3 的 2to3 应用程序。
Have you read the What's New in Python 2.6 document? It describes the 2.5->2.6 direction, but you should be able to figure out the reverse from it.
As far as I know, there are no automated tools for 2.6 to 2.5. The only tool I know of is the 2to3 app for going to Python 3.