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use std::collections::BTreeMap;
use std::path::Path;
use uv_auth::CredentialsCache;
use uv_configuration::NoSources;
use uv_distribution_types::{
ExtraBuildRequirement, ExtraBuildRequires, IndexLocations, Requirement,
};
use uv_normalize::PackageName;
use uv_workspace::pyproject::{ExtraBuildDependencies, ExtraBuildDependency, ToolUvSources};
use uv_workspace::{
DiscoveryOptions, MemberDiscovery, ProjectWorkspace, Workspace, WorkspaceCache,
};
use crate::metadata::{LoweredRequirement, MetadataError};
/// Lowered requirements from a `[build-system.requires]` field in a `pyproject.toml` file.
#[derive(Debug, Clone)]
pub struct BuildRequires {
pub name: Option<PackageName>,
pub requires_dist: Vec<Requirement>,
}
impl BuildRequires {
/// Lower without considering `tool.uv` in `pyproject.toml`, used for index and other archive
/// dependencies.
pub fn from_metadata23(metadata: uv_pypi_types::BuildRequires) -> Self {
Self {
name: metadata.name,
requires_dist: metadata
.requires_dist
.into_iter()
.map(Requirement::from)
.collect(),
}
}
/// Lower by considering `tool.uv` in `pyproject.toml` if present, used for Git and directory
/// dependencies.
pub async fn from_project_maybe_workspace(
metadata: uv_pypi_types::BuildRequires,
install_path: &Path,
locations: &IndexLocations,
sources: &NoSources,
editable: bool,
cache: &WorkspaceCache,
credentials_cache: &CredentialsCache,
) -> Result<Self, MetadataError> {
let discovery = if sources.all() {
DiscoveryOptions {
members: MemberDiscovery::None,
..Default::default()
}
} else {
DiscoveryOptions::default()
};
let Some(project_workspace) =
ProjectWorkspace::from_maybe_project_root(install_path, &discovery, cache).await?
else {
return Ok(Self::from_metadata23(metadata));
};
Self::from_project_workspace(
metadata,
&project_workspace,
locations,
sources,
editable,
credentials_cache,
)
}
/// Lower the `build-system.requires` field from a `pyproject.toml` file.
pub fn from_project_workspace(
metadata: uv_pypi_types::BuildRequires,
project_workspace: &ProjectWorkspace,
locations: &IndexLocations,
sources: &NoSources,
editable: bool,
credentials_cache: &CredentialsCache,
) -> Result<Self, MetadataError> {
// Collect any `tool.uv.index` entries.
let empty = vec![];
let project_indexes = if sources.all() {
&empty
} else {
project_workspace
.current_project()
.pyproject_toml()
.tool
.as_ref()
.and_then(|tool| tool.uv.as_ref())
.and_then(|uv| uv.index.as_deref())
.unwrap_or(&empty)
};
// Collect any `tool.uv.sources` and `tool.uv.dev_dependencies` from `pyproject.toml`.
let empty = BTreeMap::default();
let project_sources = if sources.all() {
&empty
} else {
project_workspace
.current_project()
.pyproject_toml()
.tool
.as_ref()
.and_then(|tool| tool.uv.as_ref())
.and_then(|uv| uv.sources.as_ref())
.map(ToolUvSources::inner)
.unwrap_or(&empty)
};
// Lower the requirements.
let requires_dist = metadata.requires_dist.into_iter();
let requires_dist = if sources.all() {
requires_dist.into_iter().map(Requirement::from).collect()
} else {
requires_dist
.flat_map(|requirement| {
// Check if sources should be disabled for this specific package
if sources.for_package(&requirement.name) {
vec![Ok(Requirement::from(requirement))].into_iter()
} else {
let requirement_name = requirement.name.clone();
let extra = requirement.marker.top_level_extra_name();
let group = None;
LoweredRequirement::from_requirement(
requirement,
metadata.name.as_ref(),
project_workspace.project_root(),
project_sources,
project_indexes,
extra.as_deref(),
group,
locations,
project_workspace.workspace(),
None,
editable,
credentials_cache,
)
.map(move |requirement| match requirement {
Ok(requirement) => Ok(requirement.into_inner()),
Err(err) => Err(MetadataError::LoweringError(
requirement_name.clone(),
Box::new(err),
)),
})
.collect::<Vec<_>>()
.into_iter()
}
})
.collect::<Result<Vec<_>, _>>()?
};
Ok(Self {
name: metadata.name,
requires_dist,
})
}
/// Lower the `build-system.requires` field from a `pyproject.toml` file.
pub fn from_workspace(
metadata: uv_pypi_types::BuildRequires,
workspace: &Workspace,
locations: &IndexLocations,
sources: &NoSources,
credentials_cache: &CredentialsCache,
) -> Result<Self, MetadataError> {
// Collect any `tool.uv.index` entries.
let empty = vec![];
let project_indexes = workspace
.pyproject_toml()
.tool
.as_ref()
.and_then(|tool| tool.uv.as_ref())
.and_then(|uv| uv.index.as_deref())
.unwrap_or(&empty);
// Collect any `tool.uv.sources` and `tool.uv.dev_dependencies` from `pyproject.toml`.
let empty = BTreeMap::default();
let project_sources = workspace
.pyproject_toml()
.tool
.as_ref()
.and_then(|tool| tool.uv.as_ref())
.and_then(|uv| uv.sources.as_ref())
.map(ToolUvSources::inner)
.unwrap_or(&empty);
// Lower the requirements.
let requires_dist = metadata.requires_dist.into_iter();
let requires_dist = requires_dist
.flat_map(|requirement| {
// Check if sources should be disabled for this specific package
if sources.for_package(&requirement.name) {
vec![Ok(Requirement::from(requirement))].into_iter()
} else {
let requirement_name = requirement.name.clone();
let extra = requirement.marker.top_level_extra_name();
let group = None;
LoweredRequirement::from_requirement(
requirement,
None,
workspace.install_path(),
project_sources,
project_indexes,
extra.as_deref(),
group,
locations,
workspace,
None,
true,
credentials_cache,
)
.map(move |requirement| match requirement {
Ok(requirement) => Ok(requirement.into_inner()),
Err(err) => Err(MetadataError::LoweringError(
requirement_name.clone(),
Box::new(err),
)),
})
.collect::<Vec<_>>()
.into_iter()
}
})
.collect::<Result<Vec<_>, _>>()?;
Ok(Self {
name: metadata.name,
requires_dist,
})
}
}
/// Lowered extra build dependencies.
///
/// This is a wrapper around [`ExtraBuildRequires`] that provides methods to lower
/// [`ExtraBuildDependencies`] from a workspace context or from already lowered dependencies.
#[derive(Debug, Clone, Default)]
pub struct LoweredExtraBuildDependencies(ExtraBuildRequires);
impl LoweredExtraBuildDependencies {
/// Return the [`ExtraBuildRequires`] that this was lowered into.
pub fn into_inner(self) -> ExtraBuildRequires {
self.0
}
/// Create from a workspace, lowering the extra build dependencies.
pub fn from_workspace(
extra_build_dependencies: ExtraBuildDependencies,
workspace: &Workspace,
index_locations: &IndexLocations,
source_strategy: &NoSources,
credentials_cache: &CredentialsCache,
) -> Result<Self, MetadataError> {
match source_strategy {
NoSources::None => {
// Collect project sources and indexes
let project_indexes = workspace
.pyproject_toml()
.tool
.as_ref()
.and_then(|tool| tool.uv.as_ref())
.and_then(|uv| uv.index.as_deref())
.unwrap_or(&[]);
let empty_sources = BTreeMap::default();
let project_sources = workspace
.pyproject_toml()
.tool
.as_ref()
.and_then(|tool| tool.uv.as_ref())
.and_then(|uv| uv.sources.as_ref())
.map(ToolUvSources::inner)
.unwrap_or(&empty_sources);
// Lower each package's extra build dependencies
let mut build_requires = ExtraBuildRequires::default();
for (package_name, requirements) in extra_build_dependencies {
let lowered: Vec<ExtraBuildRequirement> = requirements
.into_iter()
.flat_map(
|ExtraBuildDependency {
requirement,
match_runtime,
}| {
let requirement_name = requirement.name.clone();
let extra = requirement.marker.top_level_extra_name();
let group = None;
LoweredRequirement::from_requirement(
requirement,
None,
workspace.install_path(),
project_sources,
project_indexes,
extra.as_deref(),
group,
index_locations,
workspace,
None,
true,
credentials_cache,
)
.map(move |requirement| {
match requirement {
Ok(requirement) => Ok(ExtraBuildRequirement {
requirement: requirement.into_inner(),
match_runtime,
}),
Err(err) => Err(MetadataError::LoweringError(
requirement_name.clone(),
Box::new(err),
)),
}
})
},
)
.collect::<Result<Vec<_>, _>>()?;
build_requires.insert(package_name, lowered);
}
Ok(Self(build_requires))
}
NoSources::All | NoSources::Packages(_) => {
// Without source resolution, just return the dependencies as-is
Ok(Self::from_non_lowered(extra_build_dependencies))
}
}
}
/// Create from lowered dependencies (for non-workspace contexts, like scripts).
pub fn from_lowered(extra_build_dependencies: ExtraBuildRequires) -> Self {
Self(extra_build_dependencies)
}
/// Create from unlowered dependencies (e.g., for contexts in the pip CLI).
pub fn from_non_lowered(extra_build_dependencies: ExtraBuildDependencies) -> Self {
Self(
extra_build_dependencies
.into_iter()
.map(|(name, requirements)| {
(
name,
requirements
.into_iter()
.map(
|ExtraBuildDependency {
requirement,
match_runtime,
}| {
ExtraBuildRequirement {
requirement: requirement.into(),
match_runtime,
}
},
)
.collect::<Vec<_>>(),
)
})
.collect(),
)
}
}