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Load configuration options from workspace root
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,167 @@ | ||
| use std::ops::Deref; | ||
| use std::path::{Path, PathBuf}; | ||
|
|
||
| use tracing::debug; | ||
|
|
||
| use uv_fs::Simplified; | ||
|
|
||
| pub use crate::combine::*; | ||
| pub use crate::settings::*; | ||
|
|
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| mod combine; | ||
| mod settings; | ||
|
|
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| /// The [`Options`] as loaded from a configuration file on disk. | ||
| #[derive(Debug, Clone)] | ||
| pub struct ResolvedOptions(Options); | ||
|
|
||
| impl ResolvedOptions { | ||
| /// Convert the [`ResolvedOptions`] into [`Options`]. | ||
| pub fn into_options(self) -> Options { | ||
| self.0 | ||
| } | ||
| } | ||
|
|
||
| impl Deref for ResolvedOptions { | ||
| type Target = Options; | ||
|
|
||
| fn deref(&self) -> &Self::Target { | ||
| &self.0 | ||
| } | ||
| } | ||
|
|
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| impl ResolvedOptions { | ||
| /// Load the user [`ResolvedOptions`]. | ||
| pub fn user() -> Result<Option<Self>, Error> { | ||
| let Some(dir) = config_dir() else { | ||
| return Ok(None); | ||
| }; | ||
| let root = dir.join("uv"); | ||
| let file = root.join("uv.toml"); | ||
|
|
||
| debug!("Loading user configuration from: `{}`", file.display()); | ||
| match read_file(&file) { | ||
| Ok(options) => Ok(Some(Self(options))), | ||
| Err(Error::Io(err)) if err.kind() == std::io::ErrorKind::NotFound => Ok(None), | ||
| Err(_) if !dir.is_dir() => { | ||
| // Ex) `XDG_CONFIG_HOME=/dev/null` | ||
| debug!( | ||
| "User configuration directory `{}` does not exist or is not a directory", | ||
| dir.display() | ||
| ); | ||
| Ok(None) | ||
| } | ||
| Err(err) => Err(err), | ||
| } | ||
| } | ||
|
|
||
| /// Find the [`ResolvedOptions`] for the given path. | ||
| /// | ||
| /// The search starts at the given path and goes up the directory tree until a `uv.toml` file is | ||
| /// found. | ||
| pub fn find(path: impl AsRef<Path>) -> Result<Option<Self>, Error> { | ||
| for ancestor in path.as_ref().ancestors() { | ||
| // Read a `uv.toml` file in the current directory. | ||
| let path = ancestor.join("uv.toml"); | ||
| match fs_err::read_to_string(&path) { | ||
| Ok(content) => { | ||
| let options: Options = toml::from_str(&content) | ||
| .map_err(|err| Error::UvToml(path.user_display().to_string(), err))?; | ||
|
|
||
| debug!("Found workspace configuration at `{}`", path.display()); | ||
| return Ok(Some(Self(options))); | ||
| } | ||
| Err(err) if err.kind() == std::io::ErrorKind::NotFound => {} | ||
| Err(err) => return Err(err.into()), | ||
| } | ||
| } | ||
| Ok(None) | ||
| } | ||
|
|
||
| /// Load a [`ResolvedOptions`] from a directory, preferring a `uv.toml` file over a | ||
| /// `pyproject.toml` file. | ||
| pub fn from_directory(dir: impl AsRef<Path>) -> Result<Option<Self>, Error> { | ||
| // Read a `uv.toml` file in the current directory. | ||
| let path = dir.as_ref().join("uv.toml"); | ||
| match fs_err::read_to_string(&path) { | ||
| Ok(content) => { | ||
| let options: Options = toml::from_str(&content) | ||
| .map_err(|err| Error::UvToml(path.user_display().to_string(), err))?; | ||
|
|
||
| debug!("Found workspace configuration at `{}`", path.display()); | ||
| return Ok(Some(Self(options))); | ||
| } | ||
| Err(err) if err.kind() == std::io::ErrorKind::NotFound => {} | ||
| Err(err) => return Err(err.into()), | ||
| } | ||
|
|
||
| // Read a `pyproject.toml` file in the current directory. | ||
| let path = dir.as_ref().join("pyproject.toml"); | ||
| match fs_err::read_to_string(&path) { | ||
| Ok(content) => { | ||
| // Parse, but skip any `pyproject.toml` that doesn't have a `[tool.uv]` section. | ||
| let pyproject: PyProjectToml = toml::from_str(&content) | ||
| .map_err(|err| Error::PyprojectToml(path.user_display().to_string(), err))?; | ||
| let Some(tool) = pyproject.tool else { | ||
| return Ok(None); | ||
| }; | ||
| let Some(options) = tool.uv else { | ||
| return Ok(None); | ||
| }; | ||
|
|
||
| debug!("Found workspace configuration at `{}`", path.display()); | ||
| return Ok(Some(Self(options))); | ||
| } | ||
| Err(err) if err.kind() == std::io::ErrorKind::NotFound => {} | ||
| Err(err) => return Err(err.into()), | ||
| } | ||
|
|
||
| Ok(None) | ||
| } | ||
|
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| /// Load a [`ResolvedOptions`] from a `uv.toml` file. | ||
| pub fn from_file(path: impl AsRef<Path>) -> Result<Self, Error> { | ||
| Ok(Self(read_file(path.as_ref())?)) | ||
| } | ||
| } | ||
|
|
||
| /// Returns the path to the user configuration directory. | ||
| /// | ||
| /// This is similar to the `config_dir()` returned by the `dirs` crate, but it uses the | ||
| /// `XDG_CONFIG_HOME` environment variable on both Linux _and_ macOS, rather than the | ||
| /// `Application Support` directory on macOS. | ||
| fn config_dir() -> Option<PathBuf> { | ||
| // On Windows, use, e.g., C:\Users\Alice\AppData\Roaming | ||
| #[cfg(windows)] | ||
| { | ||
| dirs_sys::known_folder_roaming_app_data() | ||
| } | ||
|
|
||
| // On Linux and macOS, use, e.g., /home/alice/.config. | ||
| #[cfg(not(windows))] | ||
| { | ||
| std::env::var_os("XDG_CONFIG_HOME") | ||
| .and_then(dirs_sys::is_absolute_path) | ||
| .or_else(|| dirs_sys::home_dir().map(|path| path.join(".config"))) | ||
| } | ||
| } | ||
|
|
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| /// Load [`Options`] from a `uv.toml` file. | ||
| fn read_file(path: &Path) -> Result<Options, Error> { | ||
| let content = fs_err::read_to_string(path)?; | ||
| let options: Options = toml::from_str(&content) | ||
| .map_err(|err| Error::UvToml(path.user_display().to_string(), err))?; | ||
| Ok(options) | ||
| } | ||
|
|
||
| #[derive(thiserror::Error, Debug)] | ||
| pub enum Error { | ||
| #[error(transparent)] | ||
| Io(#[from] std::io::Error), | ||
|
|
||
| #[error("Failed to parse: `{0}`")] | ||
| PyprojectToml(String, #[source] toml::de::Error), | ||
|
|
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| #[error("Failed to parse: `{0}`")] | ||
| UvToml(String, #[source] toml::de::Error), | ||
| } |
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