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use std::path::Path;
use either::Either;
use rustc_hash::FxHashMap;
use uv_cache::Refresh;
use uv_cache_info::Timestamp;
use uv_distribution_types::Requirement;
use uv_normalize::PackageName;
/// Whether to reinstall packages.
#[derive(Debug, Default, Clone, serde::Serialize, serde::Deserialize)]
#[serde(rename_all = "kebab-case", deny_unknown_fields)]
pub enum Reinstall {
/// Don't reinstall any packages; respect the existing installation.
#[default]
None,
/// Reinstall all packages in the plan.
All,
/// Reinstall only the specified packages.
Packages(Vec<PackageName>, Vec<Box<Path>>),
}
impl Reinstall {
/// Determine the reinstall strategy to use.
pub fn from_args(reinstall: Option<bool>, reinstall_package: Vec<PackageName>) -> Option<Self> {
match reinstall {
Some(true) => Some(Self::All),
Some(false) => Some(Self::None),
None if reinstall_package.is_empty() => None,
None => Some(Self::Packages(reinstall_package, Vec::new())),
}
}
/// Returns `true` if no packages should be reinstalled.
pub fn is_none(&self) -> bool {
matches!(self, Self::None)
}
/// Returns `true` if all packages should be reinstalled.
pub fn is_all(&self) -> bool {
matches!(self, Self::All)
}
/// Returns `true` if the specified package should be reinstalled.
pub fn contains_package(&self, package_name: &PackageName) -> bool {
match self {
Self::None => false,
Self::All => true,
Self::Packages(packages, ..) => packages.contains(package_name),
}
}
/// Returns `true` if the specified path should be reinstalled.
pub fn contains_path(&self, path: &Path) -> bool {
match self {
Self::None => false,
Self::All => true,
Self::Packages(.., paths) => paths
.iter()
.any(|target| same_file::is_same_file(path, target).unwrap_or(false)),
}
}
/// Combine a set of [`Reinstall`] values.
#[must_use]
pub fn combine(self, other: Self) -> Self {
match self {
// Setting `--reinstall` or `--no-reinstall` should clear previous `--reinstall-package` selections.
Self::All | Self::None => self,
Self::Packages(self_packages, self_paths) => match other {
// If `--reinstall` was enabled previously, `--reinstall-package` is subsumed by reinstalling all packages.
Self::All => other,
// If `--no-reinstall` was enabled previously, then `--reinstall-package` enables an explicit reinstall of those packages.
Self::None => Self::Packages(self_packages, self_paths),
// If `--reinstall-package` was included twice, combine the requirements.
Self::Packages(other_packages, other_paths) => {
let mut combined_packages = self_packages;
combined_packages.extend(other_packages);
let mut combined_paths = self_paths;
combined_paths.extend(other_paths);
Self::Packages(combined_packages, combined_paths)
}
},
}
}
/// Add a [`Box<Path>`] to the [`Reinstall`] policy.
#[must_use]
pub fn with_path(self, path: Box<Path>) -> Self {
match self {
Self::None => Self::Packages(vec![], vec![path]),
Self::All => Self::All,
Self::Packages(packages, mut paths) => {
paths.push(path);
Self::Packages(packages, paths)
}
}
}
/// Add a [`Package`] to the [`Reinstall`] policy.
#[must_use]
pub fn with_package(self, package_name: PackageName) -> Self {
match self {
Self::None => Self::Packages(vec![package_name], vec![]),
Self::All => Self::All,
Self::Packages(mut packages, paths) => {
packages.push(package_name);
Self::Packages(packages, paths)
}
}
}
/// Create a [`Reinstall`] strategy to reinstall a single package.
pub fn package(package_name: PackageName) -> Self {
Self::Packages(vec![package_name], vec![])
}
}
/// Create a [`Refresh`] policy by integrating the [`Reinstall`] policy.
impl From<Reinstall> for Refresh {
fn from(value: Reinstall) -> Self {
match value {
Reinstall::None => Self::None(Timestamp::now()),
Reinstall::All => Self::All(Timestamp::now()),
Reinstall::Packages(packages, paths) => {
Self::Packages(packages, paths, Timestamp::now())
}
}
}
}
/// Whether to allow package upgrades.
#[derive(Debug, Default, Clone)]
pub enum Upgrade {
/// Prefer pinned versions from the existing lockfile, if possible.
#[default]
None,
/// Allow package upgrades for all packages, ignoring the existing lockfile.
All,
/// Allow package upgrades, but only for the specified packages.
Packages(FxHashMap<PackageName, Vec<Requirement>>),
}
impl Upgrade {
/// Determine the upgrade selection strategy from the command-line arguments.
pub fn from_args(upgrade: Option<bool>, upgrade_package: Vec<Requirement>) -> Option<Self> {
match upgrade {
Some(true) => Some(Self::All),
// TODO(charlie): `--no-upgrade` with `--upgrade-package` should allow the specified
// packages to be upgraded. Right now, `--upgrade-package` is silently ignored.
Some(false) => Some(Self::None),
None if upgrade_package.is_empty() => None,
None => Some(Self::Packages(upgrade_package.into_iter().fold(
FxHashMap::default(),
|mut map, requirement| {
map.entry(requirement.name.clone())
.or_default()
.push(requirement);
map
},
))),
}
}
/// Create an [`Upgrade`] strategy to upgrade a single package.
pub fn package(package_name: PackageName) -> Self {
Self::Packages({
let mut map = FxHashMap::default();
map.insert(package_name, vec![]);
map
})
}
/// Returns `true` if no packages should be upgraded.
pub fn is_none(&self) -> bool {
matches!(self, Self::None)
}
/// Returns `true` if all packages should be upgraded.
pub fn is_all(&self) -> bool {
matches!(self, Self::All)
}
/// Returns `true` if the specified package should be upgraded.
pub fn contains(&self, package_name: &PackageName) -> bool {
match self {
Self::None => false,
Self::All => true,
Self::Packages(packages) => packages.contains_key(package_name),
}
}
/// Returns an iterator over the constraints.
///
/// When upgrading, users can provide bounds on the upgrade (e.g., `--upgrade-package flask<3`).
pub fn constraints(&self) -> impl Iterator<Item = &Requirement> {
if let Self::Packages(packages) = self {
Either::Right(
packages
.values()
.flat_map(|requirements| requirements.iter()),
)
} else {
Either::Left(std::iter::empty())
}
}
/// Combine a set of [`Upgrade`] values.
#[must_use]
pub fn combine(self, other: Self) -> Self {
match self {
// Setting `--upgrade` or `--no-upgrade` should clear previous `--upgrade-package` selections.
Self::All | Self::None => self,
Self::Packages(self_packages) => match other {
// If `--upgrade` was enabled previously, `--upgrade-package` is subsumed by upgrading all packages.
Self::All => other,
// If `--no-upgrade` was enabled previously, then `--upgrade-package` enables an explicit upgrade of those packages.
Self::None => Self::Packages(self_packages),
// If `--upgrade-package` was included twice, combine the requirements.
Self::Packages(other_packages) => {
let mut combined = self_packages;
for (package, requirements) in other_packages {
combined.entry(package).or_default().extend(requirements);
}
Self::Packages(combined)
}
},
}
}
}
/// Create a [`Refresh`] policy by integrating the [`Upgrade`] policy.
impl From<Upgrade> for Refresh {
fn from(value: Upgrade) -> Self {
match value {
Upgrade::None => Self::None(Timestamp::now()),
Upgrade::All => Self::All(Timestamp::now()),
Upgrade::Packages(packages) => Self::Packages(
packages.into_keys().collect::<Vec<_>>(),
Vec::new(),
Timestamp::now(),
),
}
}
}
/// Whether to isolate builds.
#[derive(Debug, Default, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
#[serde(rename_all = "kebab-case", deny_unknown_fields)]
#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
pub enum BuildIsolation {
/// Isolate all builds.
#[default]
Isolate,
/// Do not isolate any builds.
Shared,
/// Do not isolate builds for the specified packages.
SharedPackage(Vec<PackageName>),
}
impl BuildIsolation {
/// Determine the build isolation strategy from the command-line arguments.
pub fn from_args(
no_build_isolation: Option<bool>,
no_build_isolation_package: Vec<PackageName>,
) -> Option<Self> {
match no_build_isolation {
Some(true) => Some(Self::Shared),
Some(false) => Some(Self::Isolate),
None if no_build_isolation_package.is_empty() => None,
None => Some(Self::SharedPackage(no_build_isolation_package)),
}
}
/// Combine a set of [`BuildIsolation`] values.
#[must_use]
pub fn combine(self, other: Self) -> Self {
match self {
// Setting `--build-isolation` or `--no-build-isolation` should clear previous `--no-build-isolation-package` selections.
Self::Isolate | Self::Shared => self,
Self::SharedPackage(self_packages) => match other {
// If `--no-build-isolation` was enabled previously, `--no-build-isolation-package` is subsumed by sharing all builds.
Self::Shared => other,
// If `--build-isolation` was enabled previously, then `--no-build-isolation-package` enables specific packages to be shared.
Self::Isolate => Self::SharedPackage(self_packages),
// If `--no-build-isolation-package` was included twice, combine the packages.
Self::SharedPackage(other_packages) => {
let mut combined = self_packages;
combined.extend(other_packages);
Self::SharedPackage(combined)
}
},
}
}
}