uv 0.3.1
pip install uv==0.3.1
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An extremely fast Python package and project manager, written in Rust.
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- License: Apache Software License, MIT License (MIT OR Apache-2.0)
- Author: uv
- Tags uv , requirements , packaging
- Requires: Python >=3.8
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Project description
uv
👁 uv
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An extremely fast Python package and project manager, written in Rust.
👁 Shows a bar chart with benchmark results.
Installing Trio's dependencies with a warm cache.
Highlights
- 🚀 A single tool to replace
pip,pip-tools,pipx,poetry,pyenv,virtualenv, and more. - ⚡️ 10-100x faster than
pip. - 🐍 Installs and manages Python versions.
- 🛠️ Runs and installs Python applications.
- ❇️ Runs single-file scripts, with support for inline dependency metadata.
- 🗂️ Provides comprehensive project management, with a universal lockfile.
- 🔩 Includes a pip-compatible interface for a performance boost with a familiar CLI.
- 🏢 Supports Cargo-style workspaces for scalable projects.
- 💾 Disk-space efficient, with a global cache for dependency deduplication.
- ⏬ Installable without Rust or Python via
curlorpip. - 🖥️ Supports macOS, Linux, and Windows.
uv is backed by Astral, the creators of Ruff.
Installation
Install uv with our standalone installers, or from PyPI:
# OnmacOSandLinux. $ curl-LsSfhttps://astral.sh/uv/install.sh|sh # OnWindows. $ powershell-c"irm https://astral.sh/uv/install.ps1 | iex" # Withpip. $ pipinstalluv
See the installation documentation for details and alternative installation methods.
Documentation
uv's documentation is available at docs.astral.sh/uv.
Additionally, the command line reference documentation can be viewed with uv help.
Features
Project management
uv manages project dependencies and environments, with support for lockfiles, workspaces, and more,
similar to rye or poetry:
$ uvinitexample Initialized project `example` at `/home/user/example` $ cdexample $ uvaddruff Creating virtualenv at: .venv Resolved 2 packages in 170ms Built example @ file:///home/user/example Prepared 2 packages in 627ms Installed 2 packages in 1ms + example==0.1.0 (from file:///home/user/example) + ruff==0.5.4 $ uvrunruffcheck All checks passed!
See the project documentation to get started.
Tool management
uv executes and installs command-line tools provided by Python packages, similar to pipx.
Run a tool in an ephemeral environment using uvx (an alias for uv tool run):
$ uvxpycowsay'hello world!' Resolved 1 package in 167ms Installed 1 package in 9ms + pycowsay==0.0.0.2 """ ------------ < hello world! > ------------ \ ^__^ \ (oo)\_______ (__)\ )\/\ ||----w | || ||
Install a tool with uv tool install:
$ uvtoolinstallruff Resolved 1 package in 6ms Installed 1 package in 2ms + ruff==0.5.4 Installed 1 executable: ruff $ ruff--version ruff 0.5.4
See the tools documentation to get started.
Python management
uv installs Python and allows quickly switching between versions.
Install multiple Python versions:
$ uvpythoninstall3.103.113.12 Searching for Python versions matching: Python 3.10 Searching for Python versions matching: Python 3.11 Searching for Python versions matching: Python 3.12 Installed 3 versions in 3.42s + cpython-3.10.14-macos-aarch64-none + cpython-3.11.9-macos-aarch64-none + cpython-3.12.4-macos-aarch64-none
Download Python versions as needed:
$ uvvenv--python3.12.0 Using Python 3.12.0 Creating virtualenv at: .venv Activate with: source .venv/bin/activate $ uvrun--pythonpypy@3.8--python--version Python 3.8.16 (a9dbdca6fc3286b0addd2240f11d97d8e8de187a, Dec 29 2022, 11:45:30) [PyPy 7.3.11 with GCC Apple LLVM 13.1.6 (clang-1316.0.21.2.5)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>>>
Use a specific Python version in the current directory:
$ uv python pin pypy@3.11
Pinned `.python-version` to `pypy@3.11`
See the Python installation documentation to get started.
Script support
uv manages dependencies and environments for single-file scripts.
Create a new script and add inline metadata declaring its dependencies:
$ echo'import requests; print(requests.get("https://astral.sh"))'>example.py $ uvadd--scriptexample.pyrequests Updated `example.py`
Then, run the script in an isolated virtual environment:
$ uv run example.py
Reading inline script metadata from: example.py
Installed 5 packages in 12ms
<Response [200]>
See the scripts documentation to get started.
A pip-compatible interface
uv provides a drop-in replacement for common pip, pip-tools, and virtualenv commands.
uv extends their interfaces with advanced features, such as dependency version overrides, platform-independent resolutions, reproducible resolutions, alternative resolution strategies, and more.
Migrate to uv without changing your existing workflows — and experience a 10-100x speedup — with the
uv pip interface.
Compile requirements into a platform-independent requirements file:
$ uvpipcompiledocs/requirements.in\ --universal\ --output-filedocs/requirements.txt Resolved 43 packages in 12ms
Create a virtual environment:
$ uvvenv Using Python 3.12.3 Creating virtualenv at: .venv Activate with: source .venv/bin/activate
Install the locked requirements:
$ uvpipsyncdocs/requirements.txt Resolved 43 packages in 11ms Installed 43 packages in 208ms + babel==2.15.0 + black==24.4.2 + certifi==2024.7.4 ...
See the pip interface documentation to get started.
Platform support
See uv's platform support document.
Versioning policy
See uv's versioning policy document.
Contributing
We are passionate about supporting contributors of all levels of experience and would love to see you get involved in the project. See the contributing guide to get started.
Acknowledgements
uv's dependency resolver uses PubGrub under the hood. We're grateful to the PubGrub maintainers, especially Jacob Finkelman, for their support.
uv's Git implementation is based on Cargo.
Some of uv's optimizations are inspired by the great work we've seen in pnpm, Orogene, and Bun. We've also learned a lot from Nathaniel J. Smith's Posy and adapted its trampoline for Windows support.
License
uv is licensed under either of
- Apache License, Version 2.0, (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or https://opensource.org/licenses/MIT)
at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in uv by you, as defined in the Apache-2.0 license, shall be dually licensed as above, without any additional terms or conditions.
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- License: Apache Software License, MIT License (MIT OR Apache-2.0)
- Author: uv
- Tags uv , requirements , packaging
- Requires: Python >=3.8
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File hashes
| Algorithm | Hash digest | |
|---|---|---|
| SHA256 |
800de54a9208821a3e3217e93c0312eebfcb321888cd8bcfe7ca52defc9f8d45
|
|
| MD5 |
b111b28f4a9f501fa4240a5cd6ead359
|
|
| BLAKE2b-256 |
4d7ec59f5c1692efc10aca1b2bcc5f764cbf5b79260b1d1300f1e347cd083057
|