How to view the source code of a python program

If you know the source code location, you can use the following code to view the source code:

>>> import string >>> string.__file__ '/usr/lib/python2.7/string.pyc' >>>

The string.py in the corresponding directory is the source code of the package, but some libraries are written in C Yes, an error will be prompted. For such a library, you need to download the python source code and look directly at the c source file.

If you don’t know the source code location, you can use the following code:

import module_name with open(str(module_name.__file__),"r") as f: print (f.read())

Then paste the code into the IDE.

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