Add CPython 3.15.0a6 (#17987)

Update available python versions to include CPython 3.15.0a6
Update scripts used to sync pbs releases to account for recent changes
in the repo and to support running on macOS.

crates/uv-dev/src/generate_sysconfig_mappings.rs

@@ -11,7 +11,7 @@ use crate::ROOT_DIR;
 use crate::generate_all::Mode;
 
 /// Contains current supported targets
-const TARGETS_YML_URL: &str = "https://raw.githubusercontent.com/astral-sh/python-build-standalone/refs/tags/20260203/cpython-unix/targets.yml";
+const TARGETS_YML_URL: &str = "https://raw.githubusercontent.com/astral-sh/python-build-standalone/refs/tags/20260211/cpython-unix/targets.yml";
 
 #[derive(clap::Args)]
 pub(crate) struct Args {
@@ -130,7 +130,7 @@ async fn generate() -> Result<String> {
     output.push_str("//! DO NOT EDIT\n");
     output.push_str("//!\n");
     output.push_str("//! Generated with `cargo run dev generate-sysconfig-metadata`\n");
-    output.push_str("//! Targets from <https://github.com/astral-sh/python-build-standalone/blob/20260203/cpython-unix/targets.yml>\n");
+    output.push_str("//! Targets from <https://github.com/astral-sh/python-build-standalone/blob/20260211/cpython-unix/targets.yml>\n");
     output.push_str("//!\n");
 
     // Disable clippy/fmt

crates/uv-dev/sync_sysconfig_targets.sh

@@ -11,8 +11,8 @@ if [[ -z "${latest_tag}" ]]; then
 fi
 
 # Edit the sysconfig mapping endpoints
-sed -i.bak "s|refs/tags/[^/]\+/cpython-unix|refs/tags/${latest_tag}/cpython-unix|g" src/generate_sysconfig_mappings.rs && rm -f src/generate_sysconfig_mappings.rs.bak
-sed -i.bak "s|blob/[^/]\+/cpython-unix|blob/${latest_tag}/cpython-unix|g" src/generate_sysconfig_mappings.rs && rm -f src/generate_sysconfig_mappings.rs.bak
+sed -i.bak -E "s|refs/tags/[^/]+/cpython-unix|refs/tags/${latest_tag}/cpython-unix|g" src/generate_sysconfig_mappings.rs && rm -f src/generate_sysconfig_mappings.rs.bak
+sed -i.bak -E "s|blob/[^/]+/cpython-unix|blob/${latest_tag}/cpython-unix|g" src/generate_sysconfig_mappings.rs && rm -f src/generate_sysconfig_mappings.rs.bak
 
 # Regenerate mappings in case there's any changes
 cargo dev generate-sysconfig-metadata

crates/uv-python/src/sysconfig/generated_mappings.rs

@@ -1,7 +1,7 @@
 //! DO NOT EDIT
 //!
 //! Generated with `cargo run dev generate-sysconfig-metadata`
-//! Targets from <https://github.com/astral-sh/python-build-standalone/blob/20260203/cpython-unix/targets.yml>
+//! Targets from <https://github.com/astral-sh/python-build-standalone/blob/20260211/cpython-unix/targets.yml>
 //!
 #![allow(clippy::all)]
 #![cfg_attr(any(), rustfmt::skip)]

crates/uv-test/src/lib.rs

@@ -40,7 +40,7 @@ pub const PACKSE_VERSION: &str = "0.3.53";
 pub const DEFAULT_PYTHON_VERSION: &str = "3.12";
 
 // The expected latest patch version for each Python minor version.
-pub const LATEST_PYTHON_3_15: &str = "3.15.0a5";
+pub const LATEST_PYTHON_3_15: &str = "3.15.0a6";
 pub const LATEST_PYTHON_3_14: &str = "3.14.3";
 pub const LATEST_PYTHON_3_13: &str = "3.13.12";
 pub const LATEST_PYTHON_3_12: &str = "3.12.12";

scripts/sync-python-version-constants.py

@@ -71,8 +71,8 @@ def main() -> None:
             latest_versions[minor] = prerelease_versions[minor]
 
     # Update the constants in common/mod.rs
-    mod_path = ROOT / "crates" / "uv" / "tests" / "it" / "common" / "mod.rs"
-    content = mod_path.read_text()
+    lib_path = ROOT / "crates" / "uv-test" / "src" / "lib.rs"
+    content = lib_path.read_text()
 
     # Extract old values first
     old_versions: dict[str, str] = {}
@@ -90,7 +90,7 @@ def main() -> None:
         new_value = f'pub const {const_name}: &str = "{latest_versions[minor]}";'
         content = re.sub(old_pattern, new_value, content)
 
-    mod_path.write_text(content)
+    lib_path.write_text(content)
 
     updates = []
     for minor in ["3.15", "3.14", "3.13", "3.12", "3.11", "3.10"]: