ruff/crates/ty/src/args.rs

438 lines
16 KiB
Rust

use crate::logging::Verbosity;
use crate::python_version::PythonVersion;
use clap::builder::Styles;
use clap::builder::styling::{AnsiColor, Effects};
use clap::error::ErrorKind;
use clap::{ArgAction, ArgMatches, Error, Parser};
use ruff_db::system::SystemPathBuf;
use ty_combine::Combine;
use ty_project::metadata::options::{EnvironmentOptions, Options, SrcOptions, TerminalOptions};
use ty_project::metadata::value::{RangedValue, RelativeGlobPattern, RelativePathBuf, ValueSource};
use ty_python_semantic::lint;
use ty_static::EnvVars;
// Configures Clap v3-style help menu colors
const STYLES: Styles = Styles::styled()
.header(AnsiColor::Green.on_default().effects(Effects::BOLD))
.usage(AnsiColor::Green.on_default().effects(Effects::BOLD))
.literal(AnsiColor::Cyan.on_default().effects(Effects::BOLD))
.placeholder(AnsiColor::Cyan.on_default());
#[derive(Debug, Parser)]
#[command(author, name = "ty", about = "An extremely fast Python type checker.")]
#[command(long_version = crate::version::version())]
#[command(styles = STYLES)]
pub struct Cli {
#[command(subcommand)]
pub(crate) command: Command,
}
#[allow(clippy::large_enum_variant)]
#[derive(Debug, clap::Subcommand)]
pub(crate) enum Command {
/// Check a project for type errors.
Check(CheckCommand),
/// Start the language server
Server,
/// Display ty's version
Version,
/// Generate shell completion
#[clap(hide = true)]
GenerateShellCompletion { shell: clap_complete_command::Shell },
}
#[derive(Debug, Parser)]
#[expect(clippy::struct_excessive_bools)]
pub(crate) struct CheckCommand {
/// List of files or directories to check.
#[clap(
help = "List of files or directories to check [default: the project root]",
value_name = "PATH"
)]
pub paths: Vec<SystemPathBuf>,
/// Run the command within the given project directory.
///
/// All `pyproject.toml` files will be discovered by walking up the directory tree from the given project directory,
/// as will the project's virtual environment (`.venv`) unless the `venv-path` option is set.
///
/// Other command-line arguments (such as relative paths) will be resolved relative to the current working directory.
#[arg(long, value_name = "PROJECT")]
pub(crate) project: Option<SystemPathBuf>,
/// Path to your project's Python environment or interpreter.
///
/// ty uses your Python environment to resolve third-party imports in your code.
///
/// If you're using a project management tool such as uv or you have an activated Conda or virtual
/// environment, you should not generally need to specify this option.
///
/// This option can be used to point to virtual or system Python environments.
#[arg(long, value_name = "PATH", alias = "venv")]
pub(crate) python: Option<SystemPathBuf>,
/// Custom directory to use for stdlib typeshed stubs.
#[arg(long, value_name = "PATH", alias = "custom-typeshed-dir")]
pub(crate) typeshed: Option<SystemPathBuf>,
/// Additional path to use as a module-resolution source (can be passed multiple times).
///
/// This is an advanced option that should usually only be used for first-party or third-party
/// modules that are not installed into your Python environment in a conventional way.
/// Use `--python` to point ty to your Python environment if it is in an unusual location.
#[arg(long, value_name = "PATH")]
pub(crate) extra_search_path: Option<Vec<SystemPathBuf>>,
/// Python version to assume when resolving types.
///
/// The Python version affects allowed syntax, type definitions of the standard library, and
/// type definitions of first- and third-party modules that are conditional on the Python version.
///
/// If a version is not specified on the command line or in a configuration file,
/// ty will try the following techniques in order of preference to determine a value:
/// 1. Check for the `project.requires-python` setting in a `pyproject.toml` file
/// and use the minimum version from the specified range
/// 2. Check for an activated or configured Python environment
/// and attempt to infer the Python version of that environment
/// 3. Fall back to the latest stable Python version supported by ty (see `ty check --help` output)
#[arg(long, value_name = "VERSION", alias = "target-version")]
pub(crate) python_version: Option<PythonVersion>,
/// Target platform to assume when resolving types.
///
/// This is used to specialize the type of `sys.platform` and will affect the visibility
/// of platform-specific functions and attributes. If the value is set to `all`, no
/// assumptions are made about the target platform. If unspecified, the current system's
/// platform will be used.
#[arg(long, value_name = "PLATFORM", alias = "platform")]
pub(crate) python_platform: Option<String>,
#[clap(flatten)]
pub(crate) verbosity: Verbosity,
#[clap(flatten)]
pub(crate) rules: RulesArg,
#[clap(flatten)]
pub(crate) config: ConfigsArg,
/// The path to a `ty.toml` file to use for configuration.
///
/// While ty configuration can be included in a `pyproject.toml` file, it is not allowed in this context.
#[arg(long, env = EnvVars::TY_CONFIG_FILE, value_name = "PATH")]
pub(crate) config_file: Option<SystemPathBuf>,
/// The format to use for printing diagnostic messages.
#[arg(long)]
pub(crate) output_format: Option<OutputFormat>,
/// Use exit code 1 if there are any warning-level diagnostics.
#[arg(long, conflicts_with = "exit_zero", default_missing_value = "true", num_args=0..1)]
pub(crate) error_on_warning: Option<bool>,
/// Always use exit code 0, even when there are error-level diagnostics.
#[arg(long)]
pub(crate) exit_zero: bool,
/// Watch files for changes and recheck files related to the changed files.
#[arg(long, short = 'W')]
pub(crate) watch: bool,
/// Respect file exclusions via `.gitignore` and other standard ignore files.
/// Use `--no-respect-gitignore` to disable.
#[arg(
long,
overrides_with("no_respect_ignore_files"),
help_heading = "File selection",
default_missing_value = "true",
num_args = 0..1
)]
respect_ignore_files: Option<bool>,
#[clap(long, overrides_with("respect_ignore_files"), hide = true)]
no_respect_ignore_files: bool,
/// Glob patterns for files to exclude from type checking.
///
/// Uses gitignore-style syntax to exclude files and directories from type checking.
/// Supports patterns like `tests/`, `*.tmp`, `**/__pycache__/**`.
#[arg(long, help_heading = "File selection")]
exclude: Option<Vec<String>>,
/// Control when colored output is used.
#[arg(
long,
value_name = "WHEN",
help_heading = "Global options",
display_order = 1000
)]
pub(crate) color: Option<TerminalColor>,
/// Hide all progress outputs.
///
/// For example, spinners or progress bars.
#[arg(global = true, long, value_parser = clap::builder::BoolishValueParser::new(), help_heading = "Global options")]
pub no_progress: bool,
}
impl CheckCommand {
pub(crate) fn into_options(self) -> Options {
let rules = if self.rules.is_empty() {
None
} else {
Some(
self.rules
.into_iter()
.map(|(rule, level)| (RangedValue::cli(rule), RangedValue::cli(level)))
.collect(),
)
};
// --no-respect-gitignore defaults to false and is set true by CLI flag. If passed, override config file
// Otherwise, only pass this through if explicitly set (don't default to anything here to
// make sure that doesn't take precedence over an explicitly-set config file value)
let respect_ignore_files = self
.no_respect_ignore_files
.then_some(false)
.or(self.respect_ignore_files);
let options = Options {
environment: Some(EnvironmentOptions {
python_version: self
.python_version
.map(|version| RangedValue::cli(version.into())),
python_platform: self
.python_platform
.map(|platform| RangedValue::cli(platform.into())),
python: self.python.map(RelativePathBuf::cli),
typeshed: self.typeshed.map(RelativePathBuf::cli),
extra_paths: self.extra_search_path.map(|extra_search_paths| {
extra_search_paths
.into_iter()
.map(RelativePathBuf::cli)
.collect()
}),
..EnvironmentOptions::default()
}),
terminal: Some(TerminalOptions {
output_format: self
.output_format
.map(|output_format| RangedValue::cli(output_format.into())),
error_on_warning: self.error_on_warning,
}),
src: Some(SrcOptions {
respect_ignore_files,
exclude: self.exclude.map(|excludes| {
RangedValue::cli(excludes.iter().map(RelativeGlobPattern::cli).collect())
}),
..SrcOptions::default()
}),
rules,
..Options::default()
};
// Merge with options passed in via --config
options.combine(self.config.into_options().unwrap_or_default())
}
}
/// A list of rules to enable or disable with a given severity.
///
/// This type is used to parse the `--error`, `--warn`, and `--ignore` arguments
/// while preserving the order in which they were specified (arguments last override previous severities).
#[derive(Debug)]
pub(crate) struct RulesArg(Vec<(String, lint::Level)>);
impl RulesArg {
fn is_empty(&self) -> bool {
self.0.is_empty()
}
fn into_iter(self) -> impl Iterator<Item = (String, lint::Level)> {
self.0.into_iter()
}
}
impl clap::FromArgMatches for RulesArg {
fn from_arg_matches(matches: &ArgMatches) -> Result<Self, Error> {
let mut rules = Vec::new();
for (level, arg_id) in [
(lint::Level::Ignore, "ignore"),
(lint::Level::Warn, "warn"),
(lint::Level::Error, "error"),
] {
let indices = matches.indices_of(arg_id).into_iter().flatten();
let levels = matches.get_many::<String>(arg_id).into_iter().flatten();
rules.extend(
indices
.zip(levels)
.map(|(index, rule)| (index, rule, level)),
);
}
// Sort by their index so that values specified later override earlier ones.
rules.sort_by_key(|(index, _, _)| *index);
Ok(Self(
rules
.into_iter()
.map(|(_, rule, level)| (rule.to_owned(), level))
.collect(),
))
}
fn update_from_arg_matches(&mut self, matches: &ArgMatches) -> Result<(), Error> {
self.0 = Self::from_arg_matches(matches)?.0;
Ok(())
}
}
impl clap::Args for RulesArg {
fn augment_args(cmd: clap::Command) -> clap::Command {
const HELP_HEADING: &str = "Enabling / disabling rules";
cmd.arg(
clap::Arg::new("error")
.long("error")
.action(ArgAction::Append)
.help("Treat the given rule as having severity 'error'. Can be specified multiple times.")
.value_name("RULE")
.help_heading(HELP_HEADING),
)
.arg(
clap::Arg::new("warn")
.long("warn")
.action(ArgAction::Append)
.help("Treat the given rule as having severity 'warn'. Can be specified multiple times.")
.value_name("RULE")
.help_heading(HELP_HEADING),
)
.arg(
clap::Arg::new("ignore")
.long("ignore")
.action(ArgAction::Append)
.help("Disables the rule. Can be specified multiple times.")
.value_name("RULE")
.help_heading(HELP_HEADING),
)
}
fn augment_args_for_update(cmd: clap::Command) -> clap::Command {
Self::augment_args(cmd)
}
}
/// The diagnostic output format.
#[derive(Copy, Clone, Hash, Debug, PartialEq, Eq, PartialOrd, Ord, Default, clap::ValueEnum)]
pub enum OutputFormat {
/// Print diagnostics verbosely, with context and helpful hints (default).
///
/// Diagnostic messages may include additional context and
/// annotations on the input to help understand the message.
#[default]
#[value(name = "full")]
Full,
/// Print diagnostics concisely, one per line.
///
/// This will guarantee that each diagnostic is printed on
/// a single line. Only the most important or primary aspects
/// of the diagnostic are included. Contextual information is
/// dropped.
#[value(name = "concise")]
Concise,
/// Print diagnostics in the JSON format expected by GitLab Code Quality reports.
#[value(name = "gitlab")]
Gitlab,
#[value(name = "github")]
/// Print diagnostics in the format used by GitHub Actions workflow error annotations.
Github,
}
impl From<OutputFormat> for ty_project::metadata::options::OutputFormat {
fn from(format: OutputFormat) -> ty_project::metadata::options::OutputFormat {
match format {
OutputFormat::Full => Self::Full,
OutputFormat::Concise => Self::Concise,
OutputFormat::Gitlab => Self::Gitlab,
OutputFormat::Github => Self::Github,
}
}
}
/// Control when colored output is used.
#[derive(Copy, Clone, Hash, Debug, PartialEq, Eq, PartialOrd, Ord, Default, clap::ValueEnum)]
pub(crate) enum TerminalColor {
/// Display colors if the output goes to an interactive terminal.
#[default]
Auto,
/// Always display colors.
Always,
/// Never display colors.
Never,
}
/// A TOML `<KEY> = <VALUE>` pair
/// (such as you might find in a `ty.toml` configuration file)
/// overriding a specific configuration option.
///
/// Overrides of individual settings using this option always take precedence
/// over all configuration files.
#[derive(Debug, Clone)]
pub(crate) struct ConfigsArg(Option<Options>);
impl clap::FromArgMatches for ConfigsArg {
fn from_arg_matches(matches: &ArgMatches) -> Result<Self, Error> {
let combined = matches
.get_many::<String>("config")
.into_iter()
.flatten()
.map(|s| {
Options::from_toml_str(s, ValueSource::Cli)
.map_err(|err| Error::raw(ErrorKind::InvalidValue, err.to_string()))
})
.collect::<Result<Vec<_>, _>>()?
.into_iter()
.reduce(|acc, item| item.combine(acc));
Ok(Self(combined))
}
fn update_from_arg_matches(&mut self, matches: &ArgMatches) -> Result<(), Error> {
self.0 = Self::from_arg_matches(matches)?.0;
Ok(())
}
}
impl clap::Args for ConfigsArg {
fn augment_args(cmd: clap::Command) -> clap::Command {
cmd.arg(
clap::Arg::new("config")
.short('c')
.long("config")
.value_name("CONFIG_OPTION")
.help("A TOML `<KEY> = <VALUE>` pair overriding a specific configuration option.")
.long_help(
"
A TOML `<KEY> = <VALUE>` pair (such as you might find in a `ty.toml` configuration file)
overriding a specific configuration option.
Overrides of individual settings using this option always take precedence
over all configuration files.",
)
.action(ArgAction::Append),
)
}
fn augment_args_for_update(cmd: clap::Command) -> clap::Command {
Self::augment_args(cmd)
}
}
impl ConfigsArg {
pub(crate) fn into_options(self) -> Option<Options> {
self.0
}
}