Move uv-interpreter::managed::* modules into crate top-level (#4020)

Should be no functional changes, just some file renames in preparation
for exposing toolchain management.

crates/uv-dev/src/fetch_python.rs

@@ -13,9 +13,8 @@ use tokio::time::Instant;
 use tracing::{info, info_span, Instrument};
 
 use uv_fs::Simplified;
-use uv_interpreter::managed::{
-    DownloadResult, Error, InstalledToolchains, PythonDownload, PythonDownloadRequest,
-};
+use uv_interpreter::downloads::{DownloadResult, Error, PythonDownload, PythonDownloadRequest};
+use uv_interpreter::managed::InstalledToolchains;
 
 #[derive(Parser, Debug)]
 pub(crate) struct FetchPythonArgs {

crates/uv-interpreter/fetch-download-metadata.py

@@ -1,12 +1,12 @@
 #!/usr/bin/env python3.12
 """
-Fetch Python version metadata.
+Fetch Python version download metadata.
 
-Generates the `python-version-metadata.json` file.
+Generates the `download-metadata.json` file.
 
 Usage:
 
-    python fetch-version-metadata.py
+    python fetch-download-metadata.py
 
 Acknowledgements:
 
@@ -30,7 +30,7 @@ RELEASE_URL = "https://api.github.com/repos/indygreg/python-build-standalone/rel
 HEADERS = {
     "X-GitHub-Api-Version": "2022-11-28",
 }
-VERSIONS_FILE = SELF_DIR / "python-version-metadata.json"
+VERSIONS_FILE = SELF_DIR / "download-metadata.json"
 FLAVOR_PREFERENCES = [
     "shared-pgo",
     "shared-noopt",

crates/uv-interpreter/src/downloads.rs

@@ -143,7 +143,7 @@ impl FromStr for PythonDownloadRequest {
     }
 }
 
-include!("python_versions.inc");
+include!("downloads.inc");
 
 pub enum DownloadResult {
     AlreadyAvailable(PathBuf),

crates/uv-interpreter/src/lib.rs

@@ -14,6 +14,7 @@ pub use crate::target::Target;
 pub use crate::virtualenv::{Error as VirtualEnvError, PyVenvConfiguration, VirtualEnvironment};
 
 mod discovery;
+pub mod downloads;
 mod environment;
 mod implementation;
 mod interpreter;

crates/uv-interpreter/src/managed.rs

@@ -8,7 +8,8 @@ use std::str::FromStr;
 
 use uv_state::{StateBucket, StateStore};
 
-use crate::managed::downloads::Error;
+// TODO(zanieb): Separate download and managed error types
+pub use crate::downloads::Error;
 use crate::platform::{Arch, Libc, Os};
 use crate::python_version::PythonVersion;
 
@@ -27,8 +28,8 @@ impl InstalledToolchains {
 
     /// Prefer, in order:
     /// 1. The specific toolchain directory specified by the user, i.e., `UV_TOOLCHAIN_DIR`
-    /// 2. A bucket in the system-appropriate user-level data directory, e.g., `~/.local/uv/toolchains`
-    /// 3. A bucket in the local data directory, e.g., `./.uv/toolchains`
+    /// 2. A directory in the system-appropriate user-level data directory, e.g., `~/.local/uv/toolchains`
+    /// 3. A directory in the local data directory, e.g., `./.uv/toolchains`
     pub fn from_settings() -> Result<Self, io::Error> {
         if let Some(toolchain_dir) = std::env::var_os("UV_TOOLCHAIN_DIR") {
             Self::from_path(toolchain_dir)

crates/uv-interpreter/src/managed/mod.rs

@@ -1,5 +0,0 @@
-pub use crate::managed::downloads::{DownloadResult, Error, PythonDownload, PythonDownloadRequest};
-pub use crate::managed::find::{InstalledToolchains, Toolchain};
-
-mod downloads;
-mod find;

crates/uv-interpreter/template-download-metadata.py

@@ -1,12 +1,12 @@
 #!/usr/bin/env python3.12
 """
-Generate static Rust code from Python version metadata.
+Generate static Rust code from Python version download metadata.
 
-Generates the `python_versions.rs` file from the `python_versions.rs.mustache` template.
+Generates the `downloads.inc` file from the `downloads.inc.mustache` template.
 
 Usage:
 
-    python template-version-metadata.py
+    python template-download-metadata.py
 """
 
 import sys
@@ -18,8 +18,8 @@ from pathlib import Path
 
 CRATE_ROOT = Path(__file__).parent
 WORKSPACE_ROOT = CRATE_ROOT.parent.parent
-VERSION_METADATA = CRATE_ROOT / "python-version-metadata.json"
-TEMPLATE = CRATE_ROOT / "src" / "managed" / "python_versions.inc.mustache"
+VERSION_METADATA = CRATE_ROOT / "download-metadata.json"
+TEMPLATE = CRATE_ROOT / "src" / "downloads.inc.mustache"
 TARGET = TEMPLATE.with_suffix("")