Files
uv/crates
Tomasz Kramkowski eec8048a0b Preserve absolute/relative paths in lockfiles (#18176)
## Summary

Attempt to track and preserve relative/absolute paths when read from files.

File URLs are treated as absolute. Synthetic VerbatimUrls shouldn't have
a `given`, and are treated as relative.

This means that paths passed as absolute will be output as absolute,
although they may get normalized. Paths passed as relative will be
output as relative but they may be relative to a different location (so
that they continue to work going forwards). Previously in various places
we'd either make things absolute unconditionally or relative
unconditionally.

Cases which should now be fixed:

- uv.lock - Path dependencies, indexes, and find-links were always
converted to relative paths.
- pylock.toml export (from_resolution path) - Paths were always
relativized. Now preserves the user's original format.
- pylock.toml export (from_lock path) - Relative paths from the lock
file were being converted to absolute paths. Now uses the path exactly
as stored in the lock file.

Also noteworthy is the bugfix for a windows misbehaviour. See the commit
message for some more information.

Note: For now the `uv add` side of this has been split off as a breaking change.

## Test Plan

Added missing tests, updated existing.

I believe all the changed tests are all now correct and were previously
demonstrating buggy behaviour. Well, at least if you are on board with
the idea that we should keep relative paths relative and absolute paths
and / file URLs absolute.

## Related Issues/PRs

* Closes https://github.com/astral-sh/uv/issues/15055
* Closes https://github.com/astral-sh/uv/issues/16602
* Closes https://github.com/astral-sh/uv/issues/16514
* Closes https://github.com/astral-sh/uv/pull/15870
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Crates

uv-bench

Functionality for benchmarking uv.

uv-cache-key

Generic functionality for caching paths, URLs, and other resources across platforms.

uv-distribution-filename

Parse built distribution (wheel) and source distribution (sdist) filenames to extract structured metadata.

uv-distribution-types

Abstractions for representing built distributions (wheels) and source distributions (sdists), and the sources from which they can be downloaded.

uv-install-wheel-rs

Install built distributions (wheels) into a virtual environment.

uv-once-map

A waitmap-like concurrent hash map for executing tasks exactly once.

uv-pep440-rs

Utilities for interacting with Python version numbers and specifiers.

uv-pep508-rs

Utilities for parsing and evaluating dependency specifiers, previously known as PEP 508.

uv-platform-tags

Functionality for parsing and inferring Python platform tags as per PEP 425.

uv-cli

Command-line interface for the uv package manager.

uv-build-frontend

A PEP 517-compatible build frontend for uv.

uv-cache

Functionality for caching Python packages and associated metadata.

uv-client

Client for interacting with PyPI-compatible HTTP APIs.

uv-dev

Development utilities for uv.

uv-dispatch

A centralized struct for resolving and building source distributions in isolated environments. Implements the traits defined in uv-types.

uv-distribution

Client for interacting with built distributions (wheels) and source distributions (sdists). Capable of fetching metadata, distribution contents, etc.

uv-extract

Utilities for extracting files from archives.

uv-fs

Utilities for interacting with the filesystem.

uv-git

Functionality for interacting with Git repositories.

uv-installer

Functionality for installing Python packages into a virtual environment.

uv-python

Functionality for detecting and leveraging the current Python interpreter.

uv-normalize

Normalize package and extra names as per Python specifications.

uv-requirements

Utilities for reading package requirements from pyproject.toml and requirements.txt files.

uv-resolver

Functionality for resolving Python packages and their dependencies.

uv-shell

Utilities for detecting and manipulating shell environments.

uv-types

Shared traits for uv, to avoid circular dependencies.

uv-pypi-types

General-purpose type definitions for types used in PyPI-compatible APIs.

uv-virtualenv

A venv replacement to create virtual environments in Rust.

uv-warnings

User-facing warnings for uv.

uv-workspace

Workspace abstractions for uv.

uv-requirements-txt

Functionality for parsing requirements.txt files.