Rename uv-interpreter crate to uv-toolchain (#4120)

In preparation for managed toolchains #2607, just renames the crate to
something broader.

See #4121 and https://github.com/astral-sh/uv/pull/4138 to see the final
intent.

Cargo.lock

@@ -407,8 +407,8 @@ dependencies = [
  "uv-dispatch",
  "uv-distribution",
  "uv-git",
- "uv-interpreter",
  "uv-resolver",
+ "uv-toolchain",
  "uv-types",
 ]
 
@@ -4424,10 +4424,10 @@ dependencies = [
  "uv-fs",
  "uv-git",
  "uv-installer",
- "uv-interpreter",
  "uv-normalize",
  "uv-requirements",
  "uv-resolver",
+ "uv-toolchain",
  "uv-types",
  "uv-virtualenv",
  "uv-warnings",
@@ -4483,7 +4483,7 @@ dependencies = [
  "tracing",
  "uv-configuration",
  "uv-fs",
- "uv-interpreter",
+ "uv-toolchain",
  "uv-types",
  "uv-virtualenv",
 ]
@@ -4619,8 +4619,8 @@ dependencies = [
  "uv-fs",
  "uv-git",
  "uv-installer",
- "uv-interpreter",
  "uv-resolver",
+ "uv-toolchain",
  "uv-types",
  "uv-workspace",
  "walkdir",
@@ -4645,8 +4645,8 @@ dependencies = [
  "uv-distribution",
  "uv-git",
  "uv-installer",
- "uv-interpreter",
  "uv-resolver",
+ "uv-toolchain",
  "uv-types",
 ]
 
@@ -4787,57 +4787,13 @@ dependencies = [
  "uv-extract",
  "uv-fs",
  "uv-git",
- "uv-interpreter",
  "uv-normalize",
+ "uv-toolchain",
  "uv-types",
  "uv-warnings",
  "walkdir",
 ]
 
-[[package]]
-name = "uv-interpreter"
-version = "0.0.1"
-dependencies = [
- "anyhow",
- "assert_fs",
- "cache-key",
- "configparser",
- "fs-err",
- "futures",
- "indoc",
- "install-wheel-rs",
- "itertools 0.13.0",
- "once_cell",
- "pep440_rs",
- "pep508_rs",
- "platform-tags",
- "pypi-types",
- "regex",
- "reqwest",
- "reqwest-middleware",
- "rmp-serde",
- "same-file",
- "schemars",
- "serde",
- "serde_json",
- "temp-env",
- "tempfile",
- "test-log",
- "thiserror",
- "tokio-util",
- "tracing",
- "url",
- "uv-cache",
- "uv-client",
- "uv-configuration",
- "uv-extract",
- "uv-fs",
- "uv-state",
- "uv-warnings",
- "which",
- "winapi",
-]
-
 [[package]]
 name = "uv-normalize"
 version = "0.0.1"
@@ -4925,8 +4881,8 @@ dependencies = [
  "uv-configuration",
  "uv-distribution",
  "uv-git",
- "uv-interpreter",
  "uv-normalize",
+ "uv-toolchain",
  "uv-types",
  "uv-warnings",
 ]
@@ -4940,6 +4896,50 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "uv-toolchain"
+version = "0.0.1"
+dependencies = [
+ "anyhow",
+ "assert_fs",
+ "cache-key",
+ "configparser",
+ "fs-err",
+ "futures",
+ "indoc",
+ "install-wheel-rs",
+ "itertools 0.13.0",
+ "once_cell",
+ "pep440_rs",
+ "pep508_rs",
+ "platform-tags",
+ "pypi-types",
+ "regex",
+ "reqwest",
+ "reqwest-middleware",
+ "rmp-serde",
+ "same-file",
+ "schemars",
+ "serde",
+ "serde_json",
+ "temp-env",
+ "tempfile",
+ "test-log",
+ "thiserror",
+ "tokio-util",
+ "tracing",
+ "url",
+ "uv-cache",
+ "uv-client",
+ "uv-configuration",
+ "uv-extract",
+ "uv-fs",
+ "uv-state",
+ "uv-warnings",
+ "which",
+ "winapi",
+]
+
 [[package]]
 name = "uv-types"
 version = "0.0.1"
@@ -4956,8 +4956,8 @@ dependencies = [
  "uv-cache",
  "uv-configuration",
  "uv-git",
- "uv-interpreter",
  "uv-normalize",
+ "uv-toolchain",
 ]
 
 [[package]]
@@ -4976,7 +4976,7 @@ dependencies = [
  "thiserror",
  "tracing",
  "uv-fs",
- "uv-interpreter",
+ "uv-toolchain",
  "uv-version",
 ]
 
@@ -5007,9 +5007,9 @@ dependencies = [
  "tracing",
  "uv-configuration",
  "uv-fs",
- "uv-interpreter",
  "uv-normalize",
  "uv-resolver",
+ "uv-toolchain",
  "uv-warnings",
 ]
 

Cargo.toml

@@ -38,7 +38,7 @@ uv-extract = { path = "crates/uv-extract" }
 uv-fs = { path = "crates/uv-fs" }
 uv-git = { path = "crates/uv-git" }
 uv-installer = { path = "crates/uv-installer" }
-uv-interpreter = { path = "crates/uv-interpreter" }
+uv-toolchain = { path = "crates/uv-toolchain" }
 uv-normalize = { path = "crates/uv-normalize" }
 uv-requirements = { path = "crates/uv-requirements" }
 uv-resolver = { path = "crates/uv-resolver" }

crates/README.md

@@ -89,7 +89,7 @@ Functionality for interacting with Git repositories.
 
 Functionality for installing Python packages into a virtual environment.
 
-## [uv-interpreter](./uv-interpreter)
+## [uv-toolchain](./uv-toolchain)
 
 Functionality for detecting and leveraging the current Python interpreter.
 

crates/bench/Cargo.toml

@@ -40,7 +40,7 @@ uv-configuration = { workspace = true }
 uv-dispatch = { workspace = true }
 uv-distribution = { workspace = true }
 uv-git = { workspace = true }
-uv-interpreter = { workspace = true }
+uv-toolchain = { workspace = true }
 uv-resolver = { workspace = true }
 uv-types = { workspace = true }
 

crates/bench/benches/uv.rs

@@ -5,8 +5,8 @@ use bench::criterion::{criterion_group, criterion_main, measurement::WallTime, C
 use pypi_types::Requirement;
 use uv_cache::Cache;
 use uv_client::RegistryClientBuilder;
-use uv_interpreter::PythonEnvironment;
 use uv_resolver::Manifest;
+use uv_toolchain::PythonEnvironment;
 
 fn resolve_warm_jupyter(c: &mut Criterion<WallTime>) {
     let runtime = &tokio::runtime::Builder::new_current_thread()
@@ -86,10 +86,10 @@ mod resolver {
     use uv_dispatch::BuildDispatch;
     use uv_distribution::DistributionDatabase;
     use uv_git::GitResolver;
-    use uv_interpreter::PythonEnvironment;
     use uv_resolver::{
         FlatIndex, InMemoryIndex, Manifest, Options, PythonRequirement, ResolutionGraph, Resolver,
     };
+    use uv_toolchain::PythonEnvironment;
     use uv_types::{BuildIsolation, EmptyInstalledPackages, HashStrategy, InFlight};
 
     static MARKERS: Lazy<MarkerEnvironment> = Lazy::new(|| {

crates/uv-build/Cargo.toml

@@ -19,7 +19,7 @@ pep440_rs = { workspace = true }
 pep508_rs = { workspace = true }
 pypi-types = { workspace = true }
 uv-fs = { workspace = true }
-uv-interpreter = { workspace = true }
+uv-toolchain = { workspace = true }
 uv-types = { workspace = true }
 uv-configuration = { workspace = true }
 uv-virtualenv = { workspace = true }

crates/uv-build/src/lib.rs

@@ -31,7 +31,7 @@ use pep508_rs::PackageName;
 use pypi_types::{Requirement, VerbatimParsedUrl};
 use uv_configuration::{BuildKind, ConfigSettings, SetupPyStrategy};
 use uv_fs::{PythonExt, Simplified};
-use uv_interpreter::{Interpreter, PythonEnvironment};
+use uv_toolchain::{Interpreter, PythonEnvironment};
 use uv_types::{BuildContext, BuildIsolation, SourceBuildTrait};
 
 /// e.g. `pygraphviz/graphviz_wrap.c:3020:10: fatal error: graphviz/cgraph.h: No such file or directory`

crates/uv-dev/Cargo.toml

@@ -30,7 +30,7 @@ uv-distribution = { workspace = true, features = ["schemars"] }
 uv-fs = { workspace = true }
 uv-git = { workspace = true }
 uv-installer = { workspace = true }
-uv-interpreter = { workspace = true }
+uv-toolchain = { workspace = true }
 uv-resolver = { workspace = true }
 uv-types = { workspace = true }
 uv-workspace = { workspace = true, features = ["schemars"] }

crates/uv-dev/src/build.rs

@@ -15,8 +15,8 @@ use uv_configuration::{
 };
 use uv_dispatch::BuildDispatch;
 use uv_git::GitResolver;
-use uv_interpreter::PythonEnvironment;
 use uv_resolver::{FlatIndex, InMemoryIndex};
+use uv_toolchain::PythonEnvironment;
 use uv_types::{BuildContext, BuildIsolation, InFlight};
 
 #[derive(Parser)]

crates/uv-dev/src/compile.rs

@@ -3,7 +3,7 @@ use std::path::PathBuf;
 use clap::Parser;
 use tracing::info;
 use uv_cache::{Cache, CacheArgs};
-use uv_interpreter::PythonEnvironment;
+use uv_toolchain::PythonEnvironment;
 
 #[derive(Parser)]
 pub(crate) struct CompileArgs {

crates/uv-dev/src/fetch_python.rs

@@ -13,8 +13,8 @@ use tokio::time::Instant;
 use tracing::{info, info_span, Instrument};
 
 use uv_fs::Simplified;
-use uv_interpreter::downloads::{DownloadResult, Error, PythonDownload, PythonDownloadRequest};
+use uv_toolchain::downloads::{DownloadResult, Error, PythonDownload, PythonDownloadRequest};
-use uv_interpreter::managed::InstalledToolchains;
+use uv_toolchain::managed::InstalledToolchains;
 
 #[derive(Parser, Debug)]
 pub(crate) struct FetchPythonArgs {

crates/uv-dispatch/Cargo.toml

@@ -24,7 +24,7 @@ uv-configuration = { workspace = true }
 uv-distribution = { workspace = true }
 uv-git = { workspace = true }
 uv-installer = { workspace = true }
-uv-interpreter = { workspace = true }
+uv-toolchain = { workspace = true }
 uv-resolver = { workspace = true }
 uv-types = { workspace = true }
 

crates/uv-dispatch/src/lib.rs

@@ -21,8 +21,8 @@ use uv_configuration::{Concurrency, PreviewMode};
 use uv_distribution::DistributionDatabase;
 use uv_git::GitResolver;
 use uv_installer::{Downloader, Installer, Plan, Planner, SitePackages};
-use uv_interpreter::{Interpreter, PythonEnvironment};
 use uv_resolver::{FlatIndex, InMemoryIndex, Manifest, Options, PythonRequirement, Resolver};
+use uv_toolchain::{Interpreter, PythonEnvironment};
 use uv_types::{BuildContext, BuildIsolation, EmptyInstalledPackages, HashStrategy, InFlight};
 
 /// The main implementation of [`BuildContext`], used by the CLI, see [`BuildContext`]

crates/uv-installer/Cargo.toml

@@ -27,7 +27,7 @@ uv-distribution = { workspace = true }
 uv-extract = { workspace = true }
 uv-fs = { workspace = true }
 uv-git = { workspace = true }
-uv-interpreter = { workspace = true }
+uv-toolchain = { workspace = true }
 uv-normalize = { workspace = true }
 uv-types = { workspace = true }
 uv-warnings = { workspace = true }

crates/uv-installer/src/installer.rs

@@ -3,7 +3,7 @@ use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
 use tracing::instrument;
 
 use distribution_types::CachedDist;
-use uv_interpreter::PythonEnvironment;
+use uv_toolchain::PythonEnvironment;
 
 pub struct Installer<'a> {
     venv: &'a PythonEnvironment,

crates/uv-installer/src/plan.rs

@@ -22,7 +22,7 @@ use uv_distribution::{
 };
 use uv_fs::Simplified;
 use uv_git::GitUrl;
-use uv_interpreter::PythonEnvironment;
+use uv_toolchain::PythonEnvironment;
 use uv_types::HashStrategy;
 
 use crate::satisfies::RequirementSatisfaction;

crates/uv-installer/src/site_packages.rs

@@ -12,8 +12,8 @@ use distribution_types::{
 };
 use pep440_rs::{Version, VersionSpecifiers};
 use pypi_types::{Requirement, VerbatimParsedUrl};
-use uv_interpreter::PythonEnvironment;
 use uv_normalize::PackageName;
+use uv_toolchain::PythonEnvironment;
 use uv_types::InstalledPackagesProvider;
 
 use crate::satisfies::RequirementSatisfaction;

crates/uv-resolver/Cargo.toml

@@ -27,7 +27,7 @@ uv-client = { workspace = true }
 uv-configuration = { workspace = true }
 uv-distribution = { workspace = true }
 uv-git = { workspace = true }
-uv-interpreter = { workspace = true }
+uv-toolchain = { workspace = true }
 uv-normalize = { workspace = true }
 uv-types = { workspace = true }
 uv-warnings = { workspace = true }

crates/uv-resolver/src/python_requirement.rs

@@ -1,6 +1,6 @@
 use pep440_rs::VersionSpecifiers;
 use pep508_rs::StringVersion;
-use uv_interpreter::{Interpreter, PythonVersion};
+use uv_toolchain::{Interpreter, PythonVersion};
 
 use crate::RequiresPython;
 

crates/uv-toolchain/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "uv-interpreter"
+name = "uv-toolchain"
 version = "0.0.1"
 edition = { workspace = true }
 rust-version = { workspace = true }

crates/uv-types/Cargo.toml

@@ -21,7 +21,7 @@ pypi-types = { workspace = true }
 uv-cache = { workspace = true }
 uv-configuration = { workspace = true }
 uv-git = { workspace = true }
-uv-interpreter = { workspace = true }
+uv-toolchain = { workspace = true }
 uv-normalize = { workspace = true }
 
 anyhow = { workspace = true }

crates/uv-types/src/builds.rs

@@ -1,4 +1,4 @@
-use uv_interpreter::PythonEnvironment;
+use uv_toolchain::PythonEnvironment;
 
 /// Whether to enforce build isolation when building source distributions.
 #[derive(Debug, Default, Copy, Clone)]

crates/uv-types/src/traits.rs

@@ -9,7 +9,7 @@ use pypi_types::Requirement;
 use uv_cache::Cache;
 use uv_configuration::{BuildKind, NoBinary, NoBuild, SetupPyStrategy};
 use uv_git::GitResolver;
-use uv_interpreter::{Interpreter, PythonEnvironment};
+use uv_toolchain::{Interpreter, PythonEnvironment};
 
 use crate::BuildIsolation;
 

crates/uv-virtualenv/Cargo.toml

@@ -20,7 +20,7 @@ workspace = true
 platform-tags = { workspace = true }
 pypi-types = { workspace = true }
 uv-fs = { workspace = true }
-uv-interpreter = { workspace = true }
+uv-toolchain = { workspace = true }
 uv-version = { workspace = true }
 
 fs-err = { workspace = true }

crates/uv-virtualenv/src/bare.rs

@@ -13,7 +13,7 @@ use tracing::info;
 
 use pypi_types::Scheme;
 use uv_fs::{cachedir, Simplified};
-use uv_interpreter::{Interpreter, VirtualEnvironment};
+use uv_toolchain::{Interpreter, VirtualEnvironment};
 use uv_version::version;
 
 use crate::{Error, Prompt};

crates/uv-virtualenv/src/lib.rs

@@ -4,7 +4,7 @@ use std::path::Path;
 use thiserror::Error;
 
 use platform_tags::PlatformError;
-use uv_interpreter::{Interpreter, PythonEnvironment};
+use uv_toolchain::{Interpreter, PythonEnvironment};
 
 pub use crate::bare::create_bare_venv;
 
@@ -15,9 +15,9 @@ pub enum Error {
     #[error(transparent)]
     IO(#[from] io::Error),
     #[error("Failed to determine Python interpreter to use")]
-    Discovery(#[from] uv_interpreter::DiscoveryError),
+    Discovery(#[from] uv_toolchain::DiscoveryError),
     #[error("Failed to determine Python interpreter to use")]
-    InterpreterNotFound(#[from] uv_interpreter::InterpreterNotFound),
+    InterpreterNotFound(#[from] uv_toolchain::InterpreterNotFound),
     #[error(transparent)]
     Platform(#[from] PlatformError),
     #[error("Could not find a suitable Python executable for the virtual environment based on the interpreter: {0}")]

crates/uv-workspace/Cargo.toml

@@ -21,7 +21,7 @@ uv-configuration = { workspace = true, features = ["schemars"] }
 uv-fs = { workspace = true }
 uv-normalize = { workspace = true, features = ["schemars"] }
 uv-resolver = { workspace = true, features = ["schemars"] }
-uv-interpreter = { workspace = true, features = ["schemars"] }
+uv-toolchain = { workspace = true, features = ["schemars"] }
 uv-warnings = { workspace = true }
 
 dirs-sys = { workspace = true }

crates/uv-workspace/src/combine.rs

@@ -4,8 +4,8 @@ use std::path::PathBuf;
 use distribution_types::IndexUrl;
 use install_wheel_rs::linker::LinkMode;
 use uv_configuration::{ConfigSettings, IndexStrategy, KeyringProviderType, TargetTriple};
-use uv_interpreter::PythonVersion;
 use uv_resolver::{AnnotationStyle, ExcludeNewer, PreReleaseMode, ResolutionMode};
+use uv_toolchain::PythonVersion;
 
 use crate::{Options, PipOptions, Workspace};
 

crates/uv-workspace/src/settings.rs

@@ -8,9 +8,9 @@ use pypi_types::VerbatimParsedUrl;
 use uv_configuration::{
     ConfigSettings, IndexStrategy, KeyringProviderType, PackageNameSpecifier, TargetTriple,
 };
-use uv_interpreter::PythonVersion;
 use uv_normalize::{ExtraName, PackageName};
 use uv_resolver::{AnnotationStyle, ExcludeNewer, PreReleaseMode, ResolutionMode};
+use uv_toolchain::PythonVersion;
 
 /// A `pyproject.toml` with an (optional) `[tool.uv]` section.
 #[allow(dead_code)]

crates/uv/Cargo.toml

@@ -29,7 +29,7 @@ uv-distribution = { workspace = true }
 uv-fs = { workspace = true }
 uv-git = { workspace = true }
 uv-installer = { workspace = true }
-uv-interpreter = { workspace = true }
+uv-toolchain = { workspace = true }
 uv-normalize = { workspace = true }
 uv-requirements = { workspace = true }
 uv-resolver = { workspace = true, features = ["clap"] }

crates/uv/src/cli.rs

@@ -11,9 +11,9 @@ use uv_cache::CacheArgs;
 use uv_configuration::{
     ConfigSettingEntry, IndexStrategy, KeyringProviderType, PackageNameSpecifier, TargetTriple,
 };
-use uv_interpreter::PythonVersion;
 use uv_normalize::{ExtraName, PackageName};
 use uv_resolver::{AnnotationStyle, ExcludeNewer, PreReleaseMode, ResolutionMode};
+use uv_toolchain::PythonVersion;
 
 use crate::commands::{extra_name_with_clap_error, ListFormat, VersionFormat};
 use crate::compat;

crates/uv/src/commands/mod.rs

@@ -25,8 +25,8 @@ pub(crate) use tool::run::run as run_tool;
 use uv_cache::Cache;
 use uv_fs::Simplified;
 use uv_installer::compile_tree;
-use uv_interpreter::PythonEnvironment;
 use uv_normalize::PackageName;
+use uv_toolchain::PythonEnvironment;
 pub(crate) use venv::venv;
 pub(crate) use version::version;
 

crates/uv/src/commands/pip/check.rs

@@ -10,7 +10,7 @@ use uv_cache::Cache;
 use uv_configuration::PreviewMode;
 use uv_fs::Simplified;
 use uv_installer::{SitePackages, SitePackagesDiagnostic};
-use uv_interpreter::{PythonEnvironment, SystemPython};
+use uv_toolchain::{PythonEnvironment, SystemPython};
 
 use crate::commands::{elapsed, ExitStatus};
 use crate::printer::Printer;

crates/uv/src/commands/pip/compile.rs

@@ -31,10 +31,6 @@ use uv_dispatch::BuildDispatch;
 use uv_distribution::DistributionDatabase;
 use uv_fs::Simplified;
 use uv_git::GitResolver;
-use uv_interpreter::PythonVersion;
-use uv_interpreter::{
-    find_best_interpreter, InterpreterRequest, PythonEnvironment, SystemPython, VersionRequest,
-};
 use uv_normalize::{ExtraName, PackageName};
 use uv_requirements::{
     upgrade::read_requirements_txt, LookaheadResolver, NamedRequirementsResolver,
@@ -45,6 +41,10 @@ use uv_resolver::{
     InMemoryIndex, Manifest, OptionsBuilder, PreReleaseMode, PythonRequirement, ResolutionMode,
     Resolver,
 };
+use uv_toolchain::{
+    find_best_interpreter, InterpreterRequest, PythonEnvironment, PythonVersion, SystemPython,
+    VersionRequest,
+};
 use uv_types::{BuildIsolation, EmptyInstalledPackages, HashStrategy, InFlight};
 use uv_warnings::warn_user;
 

crates/uv/src/commands/pip/freeze.rs

@@ -10,7 +10,7 @@ use uv_cache::Cache;
 use uv_configuration::PreviewMode;
 use uv_fs::Simplified;
 use uv_installer::SitePackages;
-use uv_interpreter::{PythonEnvironment, SystemPython};
+use uv_toolchain::{PythonEnvironment, SystemPython};
 
 use crate::commands::ExitStatus;
 use crate::printer::Printer;

crates/uv/src/commands/pip/install.rs

@@ -22,12 +22,12 @@ use uv_dispatch::BuildDispatch;
 use uv_fs::Simplified;
 use uv_git::GitResolver;
 use uv_installer::{SatisfiesResult, SitePackages};
-use uv_interpreter::{Prefix, PythonEnvironment, PythonVersion, SystemPython, Target};
 use uv_requirements::{RequirementsSource, RequirementsSpecification};
 use uv_resolver::{
     DependencyMode, ExcludeNewer, FlatIndex, InMemoryIndex, OptionsBuilder, PreReleaseMode,
     ResolutionMode,
 };
+use uv_toolchain::{Prefix, PythonEnvironment, PythonVersion, SystemPython, Target};
 use uv_types::{BuildIsolation, HashStrategy, InFlight};
 
 use crate::commands::pip::operations;

crates/uv/src/commands/pip/list.rs

@@ -13,8 +13,8 @@ use uv_cache::Cache;
 use uv_configuration::PreviewMode;
 use uv_fs::Simplified;
 use uv_installer::SitePackages;
-use uv_interpreter::{PythonEnvironment, SystemPython};
 use uv_normalize::PackageName;
+use uv_toolchain::{PythonEnvironment, SystemPython};
 
 use crate::commands::ExitStatus;
 use crate::commands::ListFormat;

crates/uv/src/commands/pip/operations.rs

@@ -28,7 +28,6 @@ use uv_dispatch::BuildDispatch;
 use uv_distribution::DistributionDatabase;
 use uv_fs::Simplified;
 use uv_installer::{Downloader, Plan, Planner, SitePackages};
-use uv_interpreter::{Interpreter, PythonEnvironment};
 use uv_normalize::{GroupName, PackageName};
 use uv_requirements::{
     LookaheadResolver, NamedRequirementsResolver, RequirementsSource, RequirementsSpecification,
@@ -38,6 +37,7 @@ use uv_resolver::{
     DependencyMode, Exclusions, FlatIndex, InMemoryIndex, Manifest, Options, Preference,
     PythonRequirement, RequiresPython, ResolutionGraph, Resolver,
 };
+use uv_toolchain::{Interpreter, PythonEnvironment};
 use uv_types::{HashStrategy, InFlight, InstalledPackagesProvider};
 use uv_warnings::warn_user;
 

crates/uv/src/commands/pip/show.rs

@@ -11,8 +11,8 @@ use uv_cache::Cache;
 use uv_configuration::PreviewMode;
 use uv_fs::Simplified;
 use uv_installer::SitePackages;
-use uv_interpreter::{PythonEnvironment, SystemPython};
 use uv_normalize::PackageName;
+use uv_toolchain::{PythonEnvironment, SystemPython};
 
 use crate::commands::ExitStatus;
 use crate::printer::Printer;

crates/uv/src/commands/pip/sync.rs

@@ -21,12 +21,12 @@ use uv_dispatch::BuildDispatch;
 use uv_fs::Simplified;
 use uv_git::GitResolver;
 use uv_installer::SitePackages;
-use uv_interpreter::{Prefix, PythonEnvironment, PythonVersion, SystemPython, Target};
 use uv_requirements::{RequirementsSource, RequirementsSpecification};
 use uv_resolver::{
     DependencyMode, ExcludeNewer, FlatIndex, InMemoryIndex, OptionsBuilder, PreReleaseMode,
     ResolutionMode,
 };
+use uv_toolchain::{Prefix, PythonEnvironment, PythonVersion, SystemPython, Target};
 use uv_types::{BuildIsolation, HashStrategy, InFlight};
 
 use crate::commands::pip::operations;

crates/uv/src/commands/pip/uninstall.rs

@@ -13,8 +13,8 @@ use uv_cache::Cache;
 use uv_client::{BaseClientBuilder, Connectivity};
 use uv_configuration::{KeyringProviderType, PreviewMode};
 use uv_fs::Simplified;
-use uv_interpreter::{Prefix, PythonEnvironment, SystemPython, Target};
 use uv_requirements::{RequirementsSource, RequirementsSpecification};
+use uv_toolchain::{Prefix, PythonEnvironment, SystemPython, Target};
 
 use crate::commands::{elapsed, ExitStatus};
 use crate::printer::Printer;

crates/uv/src/commands/project/lock.rs

@@ -11,10 +11,10 @@ use uv_configuration::{
 use uv_dispatch::BuildDispatch;
 use uv_distribution::{Workspace, DEV_DEPENDENCIES};
 use uv_git::GitResolver;
-use uv_interpreter::PythonEnvironment;
 use uv_normalize::PackageName;
 use uv_requirements::upgrade::{read_lockfile, LockedRequirements};
 use uv_resolver::{ExcludeNewer, FlatIndex, InMemoryIndex, Lock, OptionsBuilder, RequiresPython};
+use uv_toolchain::PythonEnvironment;
 use uv_types::{BuildIsolation, EmptyInstalledPackages, HashStrategy, InFlight};
 use uv_warnings::warn_user;
 

crates/uv/src/commands/project/mod.rs

@@ -19,9 +19,9 @@ use uv_distribution::Workspace;
 use uv_fs::Simplified;
 use uv_git::GitResolver;
 use uv_installer::{SatisfiesResult, SitePackages};
-use uv_interpreter::{find_default_interpreter, PythonEnvironment};
 use uv_requirements::{RequirementsSource, RequirementsSpecification};
 use uv_resolver::{FlatIndex, InMemoryIndex, Options, RequiresPython};
+use uv_toolchain::{find_default_interpreter, PythonEnvironment};
 use uv_types::{BuildIsolation, HashStrategy, InFlight};
 
 use crate::commands::pip;
@@ -37,7 +37,7 @@ pub(crate) enum ProjectError {
     PythonIncompatibility(Version, RequiresPython),
 
     #[error(transparent)]
-    Interpreter(#[from] uv_interpreter::Error),
+    Interpreter(#[from] uv_toolchain::Error),
 
     #[error(transparent)]
     Virtualenv(#[from] uv_virtualenv::Error),
@@ -80,11 +80,11 @@ pub(crate) fn init_environment(
     // TODO(charlie): If the environment isn't compatible with `--python`, recreate it.
     match PythonEnvironment::from_root(&venv, cache) {
         Ok(venv) => Ok(venv),
-        Err(uv_interpreter::Error::NotFound(_)) => {
+        Err(uv_toolchain::Error::NotFound(_)) => {
             // TODO(charlie): Respect `--python`; if unset, respect `Requires-Python`.
             let interpreter = find_default_interpreter(preview, cache)
-                .map_err(uv_interpreter::Error::from)?
+                .map_err(uv_toolchain::Error::from)?
-                .map_err(uv_interpreter::Error::from)?
+                .map_err(uv_toolchain::Error::from)?
                 .into_interpreter();
 
             writeln!(

crates/uv/src/commands/project/run.rs

@@ -12,10 +12,10 @@ use uv_cache::Cache;
 use uv_client::Connectivity;
 use uv_configuration::{ExtrasSpecification, PreviewMode, Upgrade};
 use uv_distribution::{ProjectWorkspace, Workspace};
-use uv_interpreter::{PythonEnvironment, SystemPython};
 use uv_normalize::PackageName;
 use uv_requirements::RequirementsSource;
 use uv_resolver::ExcludeNewer;
+use uv_toolchain::{PythonEnvironment, SystemPython};
 use uv_warnings::warn_user;
 
 use crate::commands::{project, ExitStatus};

crates/uv/src/commands/project/sync.rs

@@ -12,8 +12,8 @@ use uv_dispatch::BuildDispatch;
 use uv_distribution::{ProjectWorkspace, DEV_DEPENDENCIES};
 use uv_git::GitResolver;
 use uv_installer::SitePackages;
-use uv_interpreter::PythonEnvironment;
 use uv_resolver::{FlatIndex, InMemoryIndex, Lock};
+use uv_toolchain::PythonEnvironment;
 use uv_types::{BuildIsolation, HashStrategy, InFlight};
 use uv_warnings::warn_user;
 

crates/uv/src/commands/tool/run.rs

@@ -11,8 +11,8 @@ use tracing::debug;
 use uv_cache::Cache;
 use uv_client::Connectivity;
 use uv_configuration::PreviewMode;
-use uv_interpreter::{PythonEnvironment, SystemPython};
 use uv_requirements::RequirementsSource;
+use uv_toolchain::{PythonEnvironment, SystemPython};
 use uv_warnings::warn_user;
 
 use crate::commands::project::update_environment;

crates/uv/src/commands/venv.rs

@@ -20,8 +20,8 @@ use uv_configuration::{ConfigSettings, IndexStrategy, NoBinary, NoBuild, SetupPy
 use uv_dispatch::BuildDispatch;
 use uv_fs::Simplified;
 use uv_git::GitResolver;
-use uv_interpreter::{PythonEnvironment, SystemPython};
 use uv_resolver::{ExcludeNewer, FlatIndex, InMemoryIndex, OptionsBuilder};
+use uv_toolchain::{PythonEnvironment, SystemPython};
 use uv_types::{BuildContext, BuildIsolation, HashStrategy, InFlight};
 
 use crate::commands::{pip, ExitStatus};

crates/uv/src/settings.rs

@@ -15,9 +15,9 @@ use uv_configuration::{
     Concurrency, ConfigSettings, ExtrasSpecification, IndexStrategy, KeyringProviderType, NoBinary,
     NoBuild, PreviewMode, Reinstall, SetupPyStrategy, TargetTriple, Upgrade,
 };
-use uv_interpreter::{Prefix, PythonVersion, Target};
 use uv_normalize::PackageName;
 use uv_resolver::{AnnotationStyle, DependencyMode, ExcludeNewer, PreReleaseMode, ResolutionMode};
+use uv_toolchain::{Prefix, PythonVersion, Target};
 use uv_workspace::{Combine, PipOptions, Workspace};
 
 use crate::cli::{

crates/uv/tests/common/mod.rs

@@ -17,8 +17,8 @@ use uv_configuration::PreviewMode;
 
 use uv_cache::Cache;
 use uv_fs::Simplified;
-use uv_interpreter::managed::InstalledToolchains;
+use uv_toolchain::managed::InstalledToolchains;
-use uv_interpreter::{
+use uv_toolchain::{
     find_interpreter, InterpreterRequest, PythonVersion, SourceSelector, VersionRequest,
 };
 
@@ -416,7 +416,7 @@ pub fn create_venv<Parent: assert_fs::prelude::PathChild + AsRef<std::path::Path
                 .expect("Tests are run on a supported platform")
                 .next()
                 .as_ref()
-                .map(uv_interpreter::managed::Toolchain::executable)
+                .map(uv_toolchain::managed::Toolchain::executable)
         })
         // We'll search for the request Python on the PATH if not found in the toolchain versions
         // We hack this into a `PathBuf` to satisfy the compiler but it's just a string
@@ -485,7 +485,7 @@ pub fn python_path_with_versions(
                     &request,
                     // Without required, we could pick the current venv here and the test fails
                     // because the venv subcommand requires a system interpreter.
-                    uv_interpreter::SystemPython::Required,
+                    uv_toolchain::SystemPython::Required,
                     &sources,
                     &cache,
                 )

crates/uv/tests/venv.rs

@@ -9,7 +9,7 @@ use assert_fs::fixture::ChildPath;
 use assert_fs::prelude::*;
 #[cfg(windows)]
 use uv_fs::Simplified;
-use uv_interpreter::PythonVersion;
+use uv_toolchain::PythonVersion;
 
 use crate::common::{get_bin, python_path_with_versions, uv_snapshot, TestContext, EXCLUDE_NEWER};