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uv/crates/install-wheel-rs
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Charlie Marsh 8edfdbed77
Make entrypoint writes atomic to avoid overwriting symlinks (#5165) 
## Summary

It turns out that if `path` is a symlink,
`File::create(path)?.write_all(content.as_ref())?` will overwrite the
_target_ file. That means an entrypoint named `python` would actually
overwrite the user's source Python executable, which is symlinked into
the virtual environment.

This PR replaces that code with our atomic write method.

Closes https://github.com/astral-sh/uv/issues/5152.

## Test Plan

I ran through the test plan
`https://github.com/astral-sh/uv/issues/5152`, but used an executable
named `bar` linked to `foo.txt` instead...
2024-07-17 19:44:26 +00:00
..
src Make entrypoint writes atomic to avoid overwriting symlinks (#5165) 2024-07-17 19:44:26 +00:00
Cargo.toml Show user-facing warning when falling back to copy installs (#4880) 2024-07-08 13:35:58 +00:00
Readme.md Copy over install-wheel-rs crate (#33) 2023-10-06 21:38:38 -04:00

Readme.md

Reimplementation of wheel installing in rust. Supports both classical venvs and monotrail.

There are simple python bindings:

from install_wheel_rs import LockedVenv

locked_venv = LockedVenv("path/to/.venv")
locked_venv.install_wheel("path/to/some_tagged_wheel.whl")

and there's only one function: install_wheels_venv(wheels: List[str], venv: str), where wheels is a list of paths to wheel files and venv is the location of the venv to install the packages in.

See monotrail for benchmarks.