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4bc73dd87e
## Summary These are the first rules implemented as part of #458, but I plan to implement more. Specifically, this implements `docstring-missing-exception` which checks for raised exceptions not documented in the docstring, and `docstring-extraneous-exception` which checks for exceptions in the docstring not present in the body. ## Test Plan Test fixtures added for both google and numpy style.
137 lines
4.1 KiB
Python
Executable file
137 lines
4.1 KiB
Python
Executable file
#!/usr/bin/env python3
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"""Generate boilerplate for a new Flake8 plugin.
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Example usage:
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python scripts/add_plugin.py \
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flake8-pie \
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--url https://pypi.org/project/flake8-pie/ \
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--prefix PIE
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"""
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from __future__ import annotations
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import argparse
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from _utils import ROOT_DIR, dir_name, get_indent, pascal_case
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def main(*, plugin: str, url: str, prefix_code: str) -> None:
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"""Generate boilerplate for a new plugin."""
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# Create the test fixture folder.
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(ROOT_DIR / "crates/ruff_linter/resources/test/fixtures" / dir_name(plugin)).mkdir(
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exist_ok=True,
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)
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# Create the Plugin rules module.
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plugin_dir = ROOT_DIR / "crates/ruff_linter/src/rules" / dir_name(plugin)
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plugin_dir.mkdir(exist_ok=True)
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with (plugin_dir / "mod.rs").open("w+") as fp:
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fp.write(f"//! Rules from [{plugin}]({url}).\n")
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fp.write("pub(crate) mod rules;\n")
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fp.write("\n")
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fp.write(
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"""#[cfg(test)]
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mod tests {
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use std::convert::AsRef;
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use std::path::Path;
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use anyhow::Result;
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use test_case::test_case;
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use crate::registry::Rule;
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use crate::test::test_path;
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use crate::{assert_messages, settings};
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fn rules(rule_code: Rule, path: &Path) -> Result<()> {
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let snapshot = format!("{}_{}", rule_code.as_ref(), path.to_string_lossy());
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let diagnostics = test_path(
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Path::new("%s").join(path).as_path(),
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&settings::LinterSettings::for_rule(rule_code),
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)?;
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assert_messages!(snapshot, diagnostics);
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Ok(())
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}
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}
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""" # noqa: UP031 # Using an f-string here is ugly as all the curly parens need to be escaped
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% dir_name(plugin),
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)
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# Create a subdirectory for rules and create a `mod.rs` placeholder
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rules_dir = plugin_dir / "rules"
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rules_dir.mkdir(exist_ok=True)
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(rules_dir / "mod.rs").touch()
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# Create the snapshots subdirectory
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(plugin_dir / "snapshots").mkdir(exist_ok=True)
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# Add the plugin to `rules/mod.rs`.
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rules_mod_path = ROOT_DIR / "crates/ruff_linter/src/rules/mod.rs"
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lines = rules_mod_path.read_text().strip().splitlines()
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lines.append(f"pub mod {dir_name(plugin)};")
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lines.sort()
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rules_mod_path.write_text("\n".join(lines) + "\n")
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# Add the relevant sections to `src/registry.rs`.
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content = (ROOT_DIR / "crates/ruff_linter/src/registry.rs").read_text()
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with (ROOT_DIR / "crates/ruff_linter/src/registry.rs").open("w") as fp:
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for line in content.splitlines():
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indent = get_indent(line)
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if line.strip() == "// ruff":
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fp.write(f"{indent}// {plugin}")
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fp.write("\n")
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elif line.strip() == "/// Ruff-specific rules":
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fp.write(f"{indent}/// [{plugin}]({url})\n")
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fp.write(f'{indent}#[prefix = "{prefix_code}"]\n')
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fp.write(f"{indent}{pascal_case(plugin)},")
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fp.write("\n")
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fp.write(line)
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fp.write("\n")
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text = ""
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with (ROOT_DIR / "crates/ruff_linter/src/codes.rs").open("r") as fp:
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while (line := next(fp)).strip() != "// ruff":
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text += line
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text += " " * 8 + f"// {plugin}\n\n"
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text += line
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text += fp.read()
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with (ROOT_DIR / "crates/ruff_linter/src/codes.rs").open("w") as fp:
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fp.write(text)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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description="Generate boilerplate for a new Flake8 plugin.",
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epilog=(
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"Example usage: python scripts/add_plugin.py flake8-pie "
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"--url https://pypi.org/project/flake8-pie/"
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),
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)
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parser.add_argument(
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"plugin",
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type=str,
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help="The name of the plugin to generate.",
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)
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parser.add_argument(
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"--url",
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required=True,
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type=str,
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help="The URL of the latest release in PyPI.",
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)
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parser.add_argument(
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"--prefix",
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required=False,
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default="TODO",
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type=str,
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help="Prefix code for the plugin. Leave empty to manually fill.",
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)
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args = parser.parse_args()
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main(plugin=args.plugin, url=args.url, prefix_code=args.prefix)
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