Ownership is measured by how many commits each author made to each file in the current tree. It highlights bus-factor risk (files only one person has ever touched) and where knowledge is concentrated. The bus factor is the smallest number of people who are, between them, primary owner of more than half of the files.
Files only one author has ever changed. The more a file has changed, the more knowledge is at risk if that person leaves.
| File | Sole owner | Commits |
|---|---|---|
| scripts/codemod_docstrings.sh | Alex Waygood | 12 |
| crates/ty_ide/src/docstring/document/syntax.rs | Lérè | 12 |
| .agents/skills/summarise-ecosystem-results/SKILL.md | Alex Waygood | 11 |
| crates/ty_ide/src/docstring/markdown/structured.rs | Lérè | 11 |
| .agents/skills/summarise-ecosystem-results/assets/report-template.md | Alex Waygood | 10 |
| crates/ty_ide/src/docstring/document.rs | Lérè | 10 |
| .agents/skills/minimizing-ty-ecosystem-changes/SKILL.md | Alex Waygood | 9 |
| crates/ruff_annotate_snippets/tests/ruff.rs | Ed Page | 9 |
| crates/ruff_annotate_snippets/src/renderer/render.rs | Ed Page | 9 |
| crates/ruff_linter/resources/test/fixtures/airflow/AIR311_names.py | Wei Lee | 8 |
| File | Sole owner | Commits |
|---|---|---|
| scripts/codemod_docstrings.sh | Alex Waygood | 12 |
| crates/ty_ide/src/docstring/document/syntax.rs | Lérè | 12 |
| .agents/skills/summarise-ecosystem-results/SKILL.md | Alex Waygood | 11 |
| crates/ty_ide/src/docstring/markdown/structured.rs | Lérè | 11 |
| .agents/skills/summarise-ecosystem-results/assets/report-template.md | Alex Waygood | 10 |
| crates/ty_ide/src/docstring/document.rs | Lérè | 10 |
| .agents/skills/minimizing-ty-ecosystem-changes/SKILL.md | Alex Waygood | 9 |
| crates/ruff_annotate_snippets/tests/ruff.rs | Ed Page | 9 |
| crates/ruff_annotate_snippets/src/renderer/render.rs | Ed Page | 9 |
| crates/ruff_linter/resources/test/fixtures/airflow/AIR311_names.py | Wei Lee | 8 |
| crates/ruff_python_semantic/src/analyze/mod.rs | Charlie Marsh | 7 |
| crates/ty_server/tests/e2e/goto_definition.rs | Micha Reiser | 7 |
| crates/ty_python_semantic/resources/mdtest/decorators/total_ordering.md | Charlie Marsh | 6 |
| crates/ruff_db/src/diagnostic/render/azure.rs | Brent Westbrook | 6 |
| crates/ruff_db/src/diagnostic/render/rdjson.rs | Brent Westbrook | 6 |
| crates/ty_python_semantic/resources/mdtest/function/return_type_inference.md | David Peter | 6 |
| crates/ty_server/src/server/schedule/task.rs | Micha Reiser | 6 |
| crates/ty_ide/src/docstring/document/rst.rs | Lérè | 6 |
| crates/ty_project/src/uv/metadata/dependencies.rs | Zsolt Dollenstein | 6 |
| crates/ruff_linter/resources/test/fixtures/pyflakes/F601.py | Charlie Marsh | 5 |
| crates/ruff_db/src/diagnostic/render/gitlab.rs | Brent Westbrook | 5 |
| crates/ruff_db/src/diagnostic/render/pylint.rs | Brent Westbrook | 5 |
| python/py-fuzzer/README.md | Alex Waygood | 5 |
| .agents/skills/summarise-ecosystem-results/references/subagent-handoff.md | Alex Waygood | 5 |
| crates/ruff_linter/resources/test/fixtures/ruff/RUF023.py | Alex Waygood | 5 |
| playground/ruff/src/Editor/SettingsEditor.tsx | Micha Reiser | 5 |
| crates/ty_ide/src/docstring/markdown/general/inline.rs | Lérè | 5 |
| crates/ty_ide/src/docstring/markdown.rs | Lérè | 5 |
| crates/ruff_linter/src/rules/flake8_tidy_imports/rules/mod.rs | Charlie Marsh | 4 |
| crates/ruff_unicode_names2/src/lib.rs | Brent Westbrook | 4 |
| crates/ruff_unicode_names2_generator/src/lib.rs | Brent Westbrook | 4 |
| crates/ruff_linter/resources/mdtest/flake8-tidy-imports/lazy-import-immediately-resolved.md | Brent Westbrook | 4 |
| crates/ruff_mdtest/Cargo.toml | Brent Westbrook | 4 |
| crates/ruff_db/src/diagnostic/render/snapshots/ruff_db__diagnostic__render__github__tests__output.snap | Brent Westbrook | 4 |
| scripts/publish_pr_report.py | Zanie Blue | 4 |
| crates/ty_python_semantic/resources/mdtest/external/django.md | David Peter | 4 |
| crates/ty_python_semantic/src/types/dedicated/django.rs | David Peter | 4 |
| crates/ty_python_semantic/resources/mdtest/external/sqlalchemy.md | David Peter | 4 |
| .agents/skills/minimizing-ty-ecosystem-changes/references/advanced-minimization.md | Alex Waygood | 4 |
| .agents/skills/summarise-ecosystem-results/references/evidence-acquisition.md | Alex Waygood | 4 |
| crates/ty_python_semantic/resources/mdtest/assignment/unsound.md | Alex Waygood | 4 |
| crates/ty_python_semantic/resources/lint_docs/unsound-return-statement.md | Alex Waygood | 4 |
| crates/ruff_linter/resources/test/fixtures/pyflakes/F821_27.py | Alex Waygood | 4 |
| crates/ruff_python_parser/src/snapshots/ruff_python_parser__lexer__tests__fstring_newline_format_spec.snap | Micha Reiser | 4 |
| crates/ruff_python_parser/src/snapshots/ruff_python_parser__lexer__tests__tstring_newline_format_spec.snap | Micha Reiser | 4 |
| crates/ty_server/tests/e2e/semantic_tokens.rs | Micha Reiser | 4 |
| crates/ruff_python_formatter/resources/test/fixtures/ruff/.editorconfig | Micha Reiser | 4 |
| crates/ruff_python_formatter/tests/snapshots/black_compatibility@cases__pep_572_remove_parens.py.snap | Micha Reiser | 4 |
| crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/binary_implicit_string.py | Micha Reiser | 4 |
| crates/ty_ide/src/docstring/document/numpy.rs | Lérè | 4 |
| crates/ruff_python_parser/resources/invalid/re_lex_logical_token.py | Dhruv Manilawala | 4 |
| crates/ruff_linter/resources/test/fixtures/flake8_type_checking/TC006.py | David Salvisberg | 4 |
| crates/ty_python_semantic/resources/mdtest/import/workspaces.md | Aria Desires | 4 |
| crates/ruff_db/src/system/os/ignore.rs | Andrew Gallant | 4 |
| crates/ruff_linter/resources/test/fixtures/airflow/AIR312.py | Wei Lee | 4 |
| crates/ruff_linter/resources/test/fixtures/airflow/AIR302_common_sql.py | Wei Lee | 4 |
| crates/ruff_linter/resources/test/fixtures/ruff/RUF100_3.py | Charlie Marsh | 3 |
| docs/.overrides/main.html | Charlie Marsh | 3 |
| crates/ruff_linter/resources/test/fixtures/pycodestyle/W605_0.py | Charlie Marsh | 3 |
| crates/ruff_linter/resources/test/fixtures/ruff/RUF013_0.py | Charlie Marsh | 3 |
| .claude/hooks/session-start-web.sh | Carl Meyer | 3 |
| crates/ruff_unicode_names2_generator/src/phf.rs | Brent Westbrook | 3 |
| crates/ruff/tests/cli/snapshots/cli__lint__output_format_preview_concise.snap | Brent Westbrook | 3 |
| crates/ruff_linter/resources/mdtest/typing.md | Brent Westbrook | 3 |
| crates/ruff_linter/src/rules/ruff/rules/rule_codes_in_selectors.rs | Brent Westbrook | 3 |
| crates/mdtest/Cargo.toml | Brent Westbrook | 3 |
| crates/ruff_db/src/diagnostic/render/snapshots/ruff_db__diagnostic__render__azure__tests__output.snap | Brent Westbrook | 3 |
| crates/ruff_db/src/diagnostic/render/snapshots/ruff_db__diagnostic__render__rdjson__tests__output.snap | Brent Westbrook | 3 |
| crates/ruff_db/src/diagnostic/render/snapshots/ruff_db__diagnostic__render__azure__tests__syntax_errors.snap | Brent Westbrook | 3 |
| crates/ruff_db/src/diagnostic/render/snapshots/ruff_db__diagnostic__render__rdjson__tests__syntax_errors.snap | Brent Westbrook | 3 |
| crates/ruff_python_parser/resources/inline/err/invalid_annotation_class.py | Brent Westbrook | 3 |
| crates/ruff_python_parser/resources/inline/err/invalid_annotation_function.py | Brent Westbrook | 3 |
| crates/ruff_python_parser/resources/inline/ok/valid_annotation_class.py | Brent Westbrook | 3 |
| crates/ty_python_semantic/resources/mdtest/type_compendium/always_truthy_falsy.md | David Peter | 3 |
| crates/ty_python_semantic/resources/mdtest/type_compendium/object.md | David Peter | 3 |
| .github/workflows/sync-ruff-security.yml | zaniebot | 3 |
| .agents/skills/adding-ty-diagnostics/SKILL.md | Alex Waygood | 3 |
| crates/ty_python_semantic/resources/lint_docs/unsound-assignment.md | Alex Waygood | 3 |
| crates/ty_python_semantic/resources/lint_docs/unsound-yield.md | Alex Waygood | 3 |
| .git-blame-ignore-revs | Alex Waygood | 3 |
| crates/ty_python_semantic/resources/mdtest/scripts.md | Micha Reiser | 3 |
| crates/ty_module_resolver/src/db.rs | Micha Reiser | 3 |
| crates/ruff_python_formatter/src/db.rs | Micha Reiser | 3 |
| crates/ty_server/src/server/schedule/thread/priority.rs | Micha Reiser | 3 |
| playground/ruff/src/index.css | Micha Reiser | 3 |
| crates/ruff_python_ast_integration_tests/tests/snapshots/source_order__class_type_parameters.snap | Micha Reiser | 3 |
| crates/ruff_python_ast_integration_tests/tests/snapshots/source_order__decorators.snap | Micha Reiser | 3 |
| crates/ruff_python_ast_integration_tests/tests/snapshots/source_order__function_arguments.snap | Micha Reiser | 3 |
| crates/ruff_python_ast_integration_tests/tests/snapshots/source_order__function_positional_only_with_default.snap | Micha Reiser | 3 |
| crates/ruff_python_ast_integration_tests/tests/snapshots/source_order__function_type_parameters.snap | Micha Reiser | 3 |
| crates/ruff_python_ast_integration_tests/tests/snapshots/source_order__type_aliases.snap | Micha Reiser | 3 |
| playground/ruff/src/Editor/PrimarySideBar.tsx | Micha Reiser | 3 |
| playground/ruff/src/Editor/SecondarySideBar.tsx | Micha Reiser | 3 |
| crates/ruff_python_formatter/resources/test/fixtures/black/cases/preview_comments7.options.json | Micha Reiser | 3 |
| crates/ruff_python_formatter/resources/test/fixtures/black/cases/preview_hug_parens_with_braces_and_square_brackets.options.json | Micha Reiser | 3 |
| crates/ruff_python_formatter/resources/test/fixtures/black/cases/preview_hug_parens_with_braces_and_square_brackets_no_ll1.options.json | Micha Reiser | 3 |
| crates/ruff_python_formatter/resources/test/fixtures/black/cases/preview_long_dict_values.options.json | Micha Reiser | 3 |
| crates/ruff_python_formatter/resources/test/fixtures/black/cases/preview_long_strings.options.json | Micha Reiser | 3 |
| crates/ruff_python_formatter/resources/test/fixtures/black/cases/preview_long_strings__east_asian_width.options.json | Micha Reiser | 3 |
| crates/ruff_python_formatter/resources/test/fixtures/black/cases/preview_long_strings__edge_case.options.json | Micha Reiser | 3 |
Primary owner = the author with the most commits to a file. Solely owned = files only that author has touched.
| Author | Files owned | Solely owned | Files touched |
|---|---|---|---|
| Micha Reiser | 3,860 | 1,496 | 5,628 |
| Brent Westbrook | 2,408 | 1,577 | 3,872 |
| Charlie Marsh | 1,501 | 878 | 4,054 |
| Dhruv Manilawala | 536 | 377 | 1,804 |
| Alex Waygood | 223 | 86 | 2,022 |
| Dylan | 176 | 109 | 1,362 |
| Ed Page | 171 | 117 | 947 |
| Ibraheem Ahmed | 165 | 1 | 1,024 |
| Andrew Gallant | 135 | 119 | 828 |
| David Peter | 110 | 24 | 514 |
| konsti | 69 | 18 | 558 |
| chiri | 69 | 5 | 160 |
| Tom Kuson | 68 | 17 | 166 |
| InSync | 64 | 31 | 370 |
| Jane Lewis | 62 | 6 | 157 |
| Zanie Blue | 59 | 15 | 734 |
| Carl Meyer | 57 | 22 | 575 |
| Bhuminjay Soni | 52 | 41 | 158 |
| David Salvisberg | 47 | 36 | 173 |
| Wei Lee | 47 | 36 | 55 |
| Shunsuke Shibayama | 44 | 15 | 192 |
| Jelle Zijlstra | 43 | 30 | 173 |
| Dan Parizher | 42 | 23 | 266 |
| qdegraaf | 39 | 18 | 94 |
| Auguste Lalande | 36 | 17 | 245 |
Files touched by the most people — shared code where changes are most likely to need coordination.
| File | Contributors | Primary owner | Owner share |
|---|---|---|---|
| ruff.schema.json | 206 | Charlie Marsh | 16.7% |
| README.md | 176 | Charlie Marsh | 53.2% |
| crates/ruff_linter/src/codes.rs | 107 | Brent Westbrook | 14.5% |
| Cargo.lock | 87 | Charlie Marsh | 39.2% |
| crates/ruff_linter/src/checkers/ast/analyze/expression.rs | 86 | Charlie Marsh | 12.2% |
| crates/ruff_workspace/src/options.rs | 72 | Micha Reiser | 17.8% |
| crates/ruff_linter/src/checkers/ast/analyze/statement.rs | 72 | Charlie Marsh | 12.0% |
| Cargo.toml | 64 | Charlie Marsh | 49.5% |
| CONTRIBUTING.md | 54 | Charlie Marsh | 25.3% |
| docs/configuration.md | 53 | Charlie Marsh | 20.5% |
| crates/ty_python_semantic/src/types.rs | 52 | Alex Waygood | 21.0% |
| .github/workflows/ci.yaml | 49 | Micha Reiser | 19.7% |
| crates/ty_python_semantic/src/types/diagnostic.rs | 45 | Alex Waygood | 31.5% |
| crates/ruff_linter/src/rules/ruff/mod.rs | 45 | Brent Westbrook | 16.2% |
| crates/ty_python_semantic/src/types/infer/builder.rs | 44 | Charlie Marsh | 26.8% |
| crates/ruff_linter/src/rules/pylint/mod.rs | 43 | Steve C | 19.4% |
| ty.schema.json | 40 | Charlie Marsh | 21.5% |
| crates/ty_python_semantic/src/types/class.rs | 39 | Alex Waygood | 22.5% |
| crates/ty_python_semantic/src/types/infer.rs | 39 | Alex Waygood | 26.0% |
| crates/ruff_linter/src/checkers/ast/mod.rs | 39 | Brent Westbrook | 23.1% |
How Ruff compares with other Python open source projects →
How Ruff ranks among Python open source projects by AI-assisted commits →
Generate this report for your own repository with gitstats-action · All Gallery reports
Publishes the report to GitHub Pages on every push to main: turn on Pages for the gh-pages branch.
# .github/workflows/gitstats.yml
name: GitStats Report
on:
push:
branches: [main]
permissions:
contents: write
jobs:
gitstats:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v7
with:
fetch-depth: 0
- uses: shenxianpeng/gitstats-action@v1
with:
deploy-to-pages: true