CmdID

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2to3

Automated Python 2 to 3 code conversion. tldr-pages

On several platforms

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Several platforms

from tldr-pages, CC BY 4.0

Automated Python 2 to 3 code conversion. Note: This module was deprecated in 3.11 and removed in 3.13. For reference, see: <https://github.com/python/cpython/blob/8d42e2d915c3096e7eac1c649751d1da567bb7c3/Doc/whatsnew/3.13.rst?plain=1#L188>.

Simulate the conversion and display the changes that would be made

2to3 path/to/file.pyIdentify

Convert a Python 2 file to Python 3

2to3 --write path/to/file.pyIdentify

Convert specific Python 2 language features to Python 3

2to3 --write path/to/file.py --fix raw_input --fix printIdentify

Convert all Python 2 language features except the specified ones to Python 3

2to3 --write path/to/file.py --nofix has_key --nofix isinstanceIdentify

List all available language features that can be converted from Python 2 to Python 3

2to3 --list-fixesIdentify

Convert all Python 2 files in a directory to Python 3

2to3 --output-dir path/to/python3_directory --write-unchanged-files --nobackups path/to/python2_directoryIdentify

Run 2to3 with multiple threads

2to3 --processes 4 --output-dir path/to/python3_directory --write --nobackups --no-diffs path/to/python2_directoryIdentify