patchwork-semantic-diff 0.1.0

A semantic code diff tool powered by tree-sitter

Patchwork

A semantic code diff tool that understands functions, not just lines.

[Demo placeholder]

Recording your own demo:

1. Install asciinema and agg
2. Run asciinema rec demo.cast
3. Perform a few diffs (e.g., patchwork diff old.py new.py)
4. Convert to GIF: agg demo.cast demo.gif

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Installation

pip install patchwork-diff

Usage

1. Compare local files

patchwork diff old.py new.py

2. Compare Git commits

patchwork diff HEAD~1 HEAD path/to/file.js

3. Audit an entire commit

patchwork show HEAD~1

4. Visual TUI mode

patchwork diff old.py new.py --tui

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How it Works

Patchwork uses Tree-sitter to parse your source code into an Abstract Syntax Tree (AST). Instead of looking at raw text changes, it traverses the tree to identify specific function declarations, arrow functions, and class methods.

By mapping code changes to these semantic blocks, Patchwork can tell you precisely which functions were added, deleted, or modified. This eliminates the "noise" of line-level diffs—like changes to comments, whitespace, or reordering—and lets you focus on the logic that actually changed.

Supported Languages

Language	Extensions
Python	.py
JavaScript	.js
TypeScript	.ts

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Contributing

We welcome contributions! Please open an issue or submit a pull request on GitHub.