ruff/crates/ruff_cli/src/commands/run_stdin.rs

48 lines
1.3 KiB
Rust

use std::io::{self, Read};
use std::path::Path;
use anyhow::Result;
use ruff::resolver::PyprojectConfig;
use ruff::settings::flags;
use ruff::{packaging, resolver};
use crate::args::Overrides;
use crate::diagnostics::{lint_stdin, Diagnostics};
/// Read a `String` from `stdin`.
fn read_from_stdin() -> Result<String> {
let mut buffer = String::new();
io::stdin().lock().read_to_string(&mut buffer)?;
Ok(buffer)
}
/// Run the linter over a single file, read from `stdin`.
pub fn run_stdin(
filename: Option<&Path>,
pyproject_config: &PyprojectConfig,
overrides: &Overrides,
noqa: flags::Noqa,
autofix: flags::FixMode,
) -> Result<Diagnostics> {
if let Some(filename) = filename {
if !resolver::python_file_at_path(filename, pyproject_config, overrides)? {
return Ok(Diagnostics::default());
}
}
let package_root = filename.and_then(Path::parent).and_then(|path| {
packaging::detect_package_root(path, &pyproject_config.settings.lib.namespace_packages)
});
let stdin = read_from_stdin()?;
let mut diagnostics = lint_stdin(
filename,
package_root,
&stdin,
&pyproject_config.settings.lib,
noqa,
autofix,
)?;
diagnostics.messages.sort_unstable();
Ok(diagnostics)
}