Py-patch

Jul 20, 2023

Cross-platform alternative to the UNIX patch utility

Python library to parse and apply unified diffs.

Features

  • Automatic correction of
    • Linefeeds according to patched file
    • Diffs broken by stripping trailing whitespace
    • a/ and b/ prefixes
  • Single file, which is a command line tool and a library
  • No dependencies outside Python stdlib
  • Patch format detection SVN, HG, GIT
  • Nice diffstat histogram

Things that don’t work out of the box

  • File renaming, creation and removal
  • Directory tree operations
  • Version control specific properties
  • Non-unified diff formats


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