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This article mainly shows you "python how to search the path", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "python how to search the path" this article.

Search path

When we import, Python will find the module (module) in the search path. For example, the above import TestLib requires that TestLib.py be in the search path.

We can view the search path in the following ways:

Import sysprint (sys.path)

We can add or remove elements from the sys.path while Python is running. On the other hand, we can increase the search path for shell by adding the PYTHONPATH environment variable to Python.

Let's add / home/vamei/mylib to the search path:

$export PYTHONPATH=$PYTHONPATH:/home/vamei/mylib

You can add the positive command to ~ / .bashrc. In this way, we have changed the search path for a long time.

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