sdsort

Sorts top-level functions and class methods in Python files according to the step-down rule, as described in Robert C. Martin's Clean Code. More concretely, functions and methods are ordered in a depth-first-traversal order of the dependency tree, so higher-level code appears before lower-level code.

Installation

pip install sdsort

Or run directly with uv:

uvx sdsort <path>

Usage

To target individual files, run the sdsort command, followed by the paths to the files that should be sorted:

sdsort <file_1> <file_2>

To sort all *.py files in a directory, and all of its subdirectories, run the sdsort command followed by the directory path:

sdsort <directory_path>

To check if files are already sorted without modifying them, use the --check flag:

sdsort --check <file_or_directory>

This will exit with code 1 if any files would be re-arranged, making it suitable for CI pipelines and pre-commit hooks.

Configuration

Skipping a file

To prevent sdsort from modifying a particular file, add a # sdsort: skip_file comment somewhere within the file.

pre-commit

sdsort can be used as a pre-commit hook. Add the following to your .pre-commit-config.yaml:

repos:
  - repo: https://github.com/eirikurt/sdsort
    rev: v1.1.0
    hooks:
      - id: sdsort

Maturity

It's early days. Consider this a beta for now.

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Publisher: publish.yml on eirikurt/sdsort

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Statement:
- Statement type: https://in-toto.io/Statement/v1
- Predicate type: https://docs.pypi.org/attestations/publish/v1
- Subject name: sdsort-1.1.0.tar.gz
- Subject digest: 1c38f27a3093b2598f6180828d920075c2389d85ea96ff777b2e3a9fafddd819
- Sigstore transparency entry: 2190840345
- Sigstore integration time: Jul 17, 2026
Source repository:
- Permalink: eirikurt/sdsort@e391f792566a987e6475156b4ba2cf7521a42a1b
- Branch / Tag: refs/tags/v1.1.0
- Owner: https://github.com/eirikurt
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- Publication workflow: publish.yml@e391f792566a987e6475156b4ba2cf7521a42a1b
- Trigger Event: release