Include the parent interpreter in Python discovery when --system is used (#7440)

Closes https://github.com/astral-sh/uv/issues/7417

Tested with this epic blurb

```
❯ uv pip install --python /Users/zb/.local/share/uv/python/cpython-3.13.0rc2-macos-aarch64-none/bin/python3 . --break-system-packages --reinstall
Resolved 1 package in 0.91ms
   Built uv @ file:///Users/zb/workspace/uv
Prepared 1 package in 2m 48s
Uninstalled 1 package in 1ms
Installed 1 package in 1ms
 - uv==0.4.10
 + uv==0.4.10 (from file:///Users/zb/workspace/uv)
❯ /Users/zb/.local/share/uv/python/cpython-3.13.0rc2-macos-aarch64-none/bin/python3 -m uv pip install --system -v httpx
DEBUG uv 0.4.10
DEBUG Searching for Python interpreter in system path
DEBUG Found `cpython-3.13.0rc2-macos-aarch64-none` at `/Users/zb/.local/share/uv/python/cpython-3.13.0rc2-macos-aarch64-none/bin/python3` (parent interpreter)
DEBUG Using Python 3.13.0rc2 environment at /Users/zb/.local/share/uv/python/cpython-3.13.0rc2-macos-aarch64-none/bin/python3
```
This commit is contained in:
Zanie Blue 2024-09-16 22:51:50 -05:00 committed by GitHub
parent e9378be919
commit f679987fe1
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2 changed files with 23 additions and 16 deletions

View file

@ -1247,8 +1247,8 @@ mod tests {
)??;
assert_eq!(
python.interpreter().python_full_version().to_string(),
"3.12.3",
"We should prefer the system interpreter"
"3.12.0",
"We should prefer the parent interpreter since it's not virtual"
);
// Test with `EnvironmentPreference::OnlyVirtual`