有没有办法知道哪个Python版本.pyc文件被编译？ [英] Is there a way to know by which Python version the .pyc file was compiled?

问题描述

有没有什么方法知道哪个Python版本的 .pyc 文件是编译的？

Is there any way to know by which Python version the .pyc file was compiled?

推荐答案

你可以得到你的Python的神奇数字如下：

You can get the magic number of your Python as follows:

$ python -V
Python 2.6.2
# python
>>> import imp
>>> imp.get_magic().encode('hex')
'd1f20d0a'

pyc文件的幻数可以执行以下操作：

To get the magic number for a pyc file you can do the following:

>>> f = open('test25.pyc')
>>> magic = f.read(4)
>>> magic.encode('hex')
'b3f20d0a'
>>> f = open('test26.pyc')
>>> magic = f.read(4)
>>> magic.encode('hex')
'd1f20d0a'

就会知道生成pyc文件的python版本。

By comparing the magic numbers you'll know the python version that generated the pyc file.

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