Bowler
tbpatch
| Bowler | tbpatch | |
|---|---|---|
| 4 | 1 | |
| 1,514 | 0 | |
| 0.3% | - | |
| 0.0 | 0.0 | |
| about 2 months ago | almost 3 years ago | |
| Python | Rust | |
| MIT License | MIT License |
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Bowler
- Bowler · Safe code refactoring for modern Python
- Bowler – Safe code refactoring for modern Python
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Show HN: Python Source Code Refactoring Toolkit via AST
A similar type project. Though I haven't seen much activity recently:
https://github.com/facebookincubator/Bowler
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Our Engineering Team Used Python's AST to Patch 100,000s of Lines of Code
I have done something similar using https://pybowler.io/. This library wraps the LibCST library and abstracts away some of the refactoring operations into nice wrapper functions.
tbpatch
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Our Engineering Team Used Python's AST to Patch 100,000s of Lines of Code
I had a problem of applying patches to the files that got indented differently meantime.
So I wrote a tool that takes a context diff, rebuilds the before and after text, then parses both as vectors of (leading whitespaces, token), then creates a diff of those vectors ignoring the whitespaces, parses the target file as a similar vector, and applies this diff to such a vector (again with ignoring/copying whitespaces) - after which it reconstructs the text.
The results are surprisingly robust, despite the relatively naive tokenization heuristic.
https://github.com/ayourtch/tbpatch
What are some alternatives?
Rope - a python refactoring library
LibCST - A concrete syntax tree parser and serializer library for Python that preserves many aspects of Python's abstract syntax tree
RedBaron - Bottom-up approach to refactoring in python
pasta - Library to refactor python code through AST manipulation.
py2js
lib3to6 - Build universally compatible python packages from a substantial subset of Python 3.8.
hpy - HPy: a better API for Python
refactor - AST-based fragmental source code refactoring toolkit for Python
prefactor - Tool for writing Python refactorings