## Can you recover Python code from compiled .pyc files?-Python Tutorial-php.cn

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## Can you recover Python code from compiled .pyc files?

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Oct 26, 2024 am 05:09 AM

Decompiling .pyc Files: How to Recover Code from Compiled Artifacts

Python's compilation process generates .pyc files to enhance performance. While this step helps optimize code execution, it also raises the question: can you revert this action and retrieve the original .py file?

Limitations of Decompilation

Python decompilation is a complex process, especially for recent 3.x versions. Despite available tools, complete code recovery may not always be possible, particularly with intricate control flow or recent Python iterations.

Recommended Decompilation Tools

For the best starting point, consider these tools:

Uncompyle6

Works well up to Python 3.8, especially for 2.7

Visit the Uncompyle6 GitHub page for more details

Decompyle3

A fork of Uncompyle6 optimized for Python 3.7 and 3.8

From the rocky/decompile3 repo

Decompilation Considerations

While decompilation can recover variable names and doc strings, comments will be lost. Additionally, some code may fail to compile, and newer Python versions present distinct challenges due to bytecode changes.

Supporting Recent Python Versions

Decompyle6 and Decompyle3 currently lack support for Python 3.9 and higher. Moreover, support for versions 3.7 and above is limited due to Python's ongoing optimization efforts.
Contributors and funding are crucial for these projects' continued development.

Preventing Future Code Loss

To avoid data loss, implement regular Git commits and file backups. Also, consider editor/IDE features that aid in file recovery, as mentioned in this answer.

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