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Disable SYSTEM_VERSION_COMPAT when querying interpreters on macOS (#18452)

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Closes https://github.com/astral-sh/uv/issues/14267
Replaces https://github.com/astral-sh/uv/pull/18436 — adding my review
because I cannot push there
Replaces https://github.com/astral-sh/uv/pull/18416

---------

Co-authored-by: Ed Schofield <ed@pythoncharmers.com>
This commit is contained in:
Zanie Blue
2026-03-14 12:45:37 -05:00
committed by GitHub
parent 0507193eb6
commit fe5ca6ca80
1 changed files with 38 additions and 26 deletions
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crates/uv-python/src/interpreter.rs
+38 -26
View File
@@ -972,41 +972,53 @@ impl InterpreterInfo {
r#"import sys; sys.path = ["{}"] + sys.path; from python.get_interpreter_info import main; main()"#,
tempdir.path().escape_for_python()
);
let output = Command::new(interpreter)
let mut command = Command::new(interpreter);
command
.arg("-I") // Isolated mode.
.arg("-B") // Don't write bytecode.
.arg("-c")
.arg(script)
.output()
.map_err(|err| {
match err.kind() {
io::ErrorKind::NotFound => return Error::NotFound(interpreter.to_path_buf()),
io::ErrorKind::PermissionDenied => {
return Error::PermissionDenied {
path: interpreter.to_path_buf(),
err,
};
}
_ => {}
}
#[cfg(windows)]
if let Some(APPMODEL_ERROR_NO_PACKAGE | ERROR_CANT_ACCESS_FILE) = err
.raw_os_error()
.and_then(|code| u32::try_from(code).ok())
.map(WIN32_ERROR)
{
// These error codes are returned if the Python interpreter is a corrupt MSIX
// package, which we want to differentiate from a typical spawn failure.
return Error::CorruptWindowsPackage {
.arg(script);
// Disable Apple's SYSTEM_VERSION_COMPAT shim so that `platform.mac_ver()` reports
// the real macOS version instead of "10.16" for interpreters built against older SDKs
// (e.g., conda with MACOSX_DEPLOYMENT_TARGET=10.15).
//
// See:
//
// - https://github.com/astral-sh/uv/issues/14267
// - https://github.com/pypa/packaging/blob/f2bbd4f578644865bc5cb2534768e46563ee7f66/src/packaging/tags.py#L436
#[cfg(target_os = "macos")]
command.env("SYSTEM_VERSION_COMPAT", "0");
let output = command.output().map_err(|err| {
match err.kind() {
io::ErrorKind::NotFound => return Error::NotFound(interpreter.to_path_buf()),
io::ErrorKind::PermissionDenied => {
return Error::PermissionDenied {
path: interpreter.to_path_buf(),
err,
};
}
Error::SpawnFailed {
_ => {}
}
#[cfg(windows)]
if let Some(APPMODEL_ERROR_NO_PACKAGE | ERROR_CANT_ACCESS_FILE) = err
.raw_os_error()
.and_then(|code| u32::try_from(code).ok())
.map(WIN32_ERROR)
{
// These error codes are returned if the Python interpreter is a corrupt MSIX
// package, which we want to differentiate from a typical spawn failure.
return Error::CorruptWindowsPackage {
path: interpreter.to_path_buf(),
err,
}
})?;
};
}
Error::SpawnFailed {
path: interpreter.to_path_buf(),
err,
}
})?;
if !output.status.success() {
let stderr = String::from_utf8_lossy(&output.stderr).trim().to_string();