mirror of https://github.com/pypa/hatch.git
112 lines
3.3 KiB
Markdown
112 lines
3.3 KiB
Markdown
# Static analysis configuration
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-----
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Static analysis performed by the [`fmt`](../cli/reference.md#hatch-fmt) command is backed entirely by [Ruff](https://github.com/astral-sh/ruff).
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Hatch provides [default settings](#default-settings) that user configuration can [extend](#extending-config).
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## Extending config
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When defining your configuration, be sure to use options that are prefixed by `extend-` such as [`extend-select`](https://docs.astral.sh/ruff/settings/#extend-select), for example:
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=== ":octicons-file-code-16: pyproject.toml"
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```toml
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[tool.ruff.format]
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preview = true
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quote-style = "single"
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[tool.ruff.lint]
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preview = true
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extend-select = ["C901"]
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[tool.ruff.lint.extend-per-file-ignores]
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"docs/.hooks/*" = ["INP001", "T201"]
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[tool.ruff.lint.isort]
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known-first-party = ["foo", "bar"]
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```
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=== ":octicons-file-code-16: ruff.toml"
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```toml
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[format]
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preview = true
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quote-style = "single"
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[lint]
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preview = true
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extend-select = ["C901"]
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[lint.extend-per-file-ignores]
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"docs/.hooks/*" = ["INP001", "T201"]
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[lint.isort]
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known-first-party = ["foo", "bar"]
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```
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!!! note
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When not [persisting config](#persistent-config), there is no need to explicitly [extend](https://docs.astral.sh/ruff/settings/#extend) the defaults as Hatch automatically handles that.
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## Persistent config
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If you want to store the default configuration in the project, set an explicit path like so:
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```toml config-example
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[tool.hatch.envs.hatch-static-analysis]
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config-path = "ruff_defaults.toml"
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```
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Then instruct Ruff to consider your configuration as an extension of the default file:
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=== ":octicons-file-code-16: pyproject.toml"
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```toml
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[tool.ruff]
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extend = "ruff_defaults.toml"
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```
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=== ":octicons-file-code-16: ruff.toml"
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```toml
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extend = "ruff_defaults.toml"
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```
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Anytime you wish to update the defaults (such as when upgrading Hatch), you must run the [`fmt`](../cli/reference.md#hatch-fmt) command once with the `--sync` flag e.g.:
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```
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hatch fmt --check --sync
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```
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!!! tip
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This is the recommended approach since it allows other tools like IDEs to use the default configuration.
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### Versioning
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You can pin the particular version of Ruff by explicitly defining the environment [dependencies](environment/overview.md#dependencies):
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```toml config-example
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[tool.hatch.envs.hatch-static-analysis]
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dependencies = ["ruff==X.Y.Z"]
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```
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## Default settings
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### Non-rule settings
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- [Line length](https://docs.astral.sh/ruff/settings/#line-length) set to 120
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- [Docstring formatting](https://docs.astral.sh/ruff/formatter/#docstring-formatting) enabled with [line length](https://docs.astral.sh/ruff/settings/#format-docstring-code-line-length) set to 80
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- Only absolute imports [are allowed](https://docs.astral.sh/ruff/settings/#flake8-tidy-imports-ban-relative-imports), [except for tests](#per-file-ignored-rules)
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- The normalized [project name](metadata.md#name) is a [known first party](https://docs.astral.sh/ruff/settings/#isort-known-first-party) import
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### Per-file ignored rules
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<HATCH_RUFF_PER_FILE_IGNORED_RULES>
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### Selected rules
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The following rules are based on version <HATCH_RUFF_VERSION> of Ruff. Rules with a ^P^ are only selected when [preview](https://docs.astral.sh/ruff/preview/) mode is enabled.
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<HATCH_RUFF_SELECTED_RULES>
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