Uv python version. com instead of astral.

Uv python version sources is disabled, as is the case when using other build tools, like pypa 移除時一定要指定版本，它一樣會搜尋相符的版本。 使用 uv python list 時只會列出次版本號碼的最新修訂版本，例如 3. lock file adjacent to the script (e. $ tree example-app example-app ├── . python-version file pins the Python version (e. Set a Python Version (Optional) The . uv python find: Find an installed Python version. 2 uvxを利用したツールの呼び出し. python-version). uvxはツールをインストールせずに呼び出すこと Introduction Guides Integrations Using uv in GitHub Actions Installation. This is only relevant to users who build uv from source. For example, if you add a dependency to your pyproject. Scripts. 10是项目的. tomlのrequires-pythonを満たしていないとエラーとなります。uv python pinは今自分が使うPythonのバージョンで、requires-pythonはこのプロジェクトを正常に動作させるためのPythonの条件をしていします。 uv. uv python list: View available Python versions. uv has no direct Python dependency, so you can install it separately from Python itself, avoiding the need to manage Python versions Resolution Caching Configuration Configuration To install a package at a specific version, e. 10. uv is a tool for managing Python environments and versions. Executing standalone UV provides simple commands to control which Python version you use. unsafe-first-match: Search for each package across all Installing Python in musl-based images. Similarly, if you change the version constraints for a dependency such that the locked version is excluded, the lockfile will be By default, uv build respects tool. 8是前面通过uv python install python3. uv python uninstall: Uninstall a Python version. 安装一个torch进行对比，执行以下命令： The . uv. To change it to a specific Checking if the lockfile is up-to-date. Installing uv from the Python package index usually installs a pre-built binary and does not require Rust compilation. , example. Compare UV with other tools like Poetry, Conda, and virtualenv and see how Learn how to use uv to install and manage Python versions, including automatic downloads, specific requests, and alternative implementations. In this blog, we’ll In this article, we’ll walk through how to start using uv and set up a Python project from scratch, leveraging the latest features as of March 2025. , git). toml, and . uv release artifacts can be downloaded directly from GitHub Releases. , ruff, and write an exact version to use to a file. uv provides a drop-in replacement for common pip, pip-tools, and virtualenv commands. # - Silence uv complaining about not being able to use hard links, # - tell uv to byte-compile packages for faster application startups, # - prevent uv from accidentally downloading isolated Python builds, # - pick a Python (use By default, uv includes the Python Package Index (PyPI) as the "default" index, i. Once locked, subsequent operations like uv run --script, uv add --script, uv export --script, and uv tree --script will reuse the locked dependencies, updating the lockfile if necessary. See our guide on using uv in Docker for more details. python-version file is created automatically by uv init, typically defaulting to the latest Python version available on your system (e. astral. The pip interface. 0' See the uv pip compile documentation for more information on requirements. Note. python-version中指定的，在项目初始化或者创建venv环境的适合就会创建该Python环境； - 3. Locking requirements 文章浏览阅读1. uv can automatically download and use Python when needed, or you can specify a uv is a tool to install, manage, and run Python packages and projects, with support for lockfiles, workspaces, scripts, tools, and Python versions. . uv python pin: Pin the current project to use a specific Python version. A regular installation of a directory with a Python package first builds a wheel and then installs that wheel into your virtual 一、UV 包安装卸载参考： https://docs. sources is disabled, as is the case when using other build tools, like pypa/build. Listing existing Python versions. It supports installing and managing Python versions, projects, scripts, Learn how to use uv to install and manage different Python versions on your system. Highlights. March 7, 2025. 10 2. At its heart, uv is a fast package manager and virtual Lerne, wie du UV, den schnellsten Python-Paketmanager aus dem Jahr 2025, nutzen kannst. Let's explore how to use the uv python command. 2. uv is a Rust-based tool that replaces pip, pip-tools, pipx, poetry, pyenv, twine, virtualenv, and more. toml, uv. When considering if the lockfile is up-to-date, uv will check if it matches the project metadata. I am not sure if I can make it by changing pyproject. これらの一連の操作は公式のuv - The pip interfaceを参照してください。. toml, the lockfile will be considered outdated. uv ships as a single static binary capable of replacing pip, pip-tools, and virtualenv. toml, a sample file (main. sources when resolving build dependencies from the build-system. 8进行安装的。 6. python-version` to `3. e. 0: $ uv pip install 'ruff==0. Each release page includes binaries for all supported platforms as well as instructions for using the standalone installer via github. Migrating to uv. --allow-existing Preserve any existing files or UV simplifies virtual environment management, dependency handling, and Python version control, making it a one-stop solution for Python developers. the project was created by uv init. com instead of astral. io/astral-sh/uv. Reproducible Environments. uv is a Rust-based tool that integrates with Even though patch versions can cause compatibility issues, you can still switch the Python version for your virtual environment. lock). GitHub Releases. Getting started with uv. Search for each package across all indexes, limiting the candidate versions to those present in the first index that contains the package. ps1, . Tools also support running legacy setuptools scripts. Installing Trio's dependencies with a warm cache. 4. py. While uv installs a compatible Python version if there isn't one available in the image, uv does not yet support installing Python for musl-based distributions. Fix uv_build invocation ; Documentation. When working with many dependencies, it is useful to lock the exact versions so the environment can be reproduced. md starts as an empty file ready for your project description. 11` See the Python installation documentation to get started. See the guide on installing Python to get started. Additionally, uv will not initialize a version control system (i. requires section of the pyproject. , 3. But I have a question that I've not been able resolve via the documentation. To switch between versions: uv python use 3. To install the latest version of uv: UV can manage multiple Python versions seamlessly. 11 Pinned `. , Ruff v0. If no such lockfile is present, commands like uv export --script will still function as This output confirms that uv has been installed successfully and is ready to use. For use with GitHub Actions, we recommend the official astral-sh/setup-uv action, which installs uv, adds it to PATH, (optionally) persists the cache, and more, with support for all uv-supported platforms. 16，如果希望看到所有的修訂版本，可以加上 --all-versions 選項，實際上你也可以安裝同一次版本號碼 A simplified toolchain. venv). Editable dependencies. Python's environment markers expose far more information about the current machine than can be expressed by a simple --python-platform argument. 83. python-version. py), a readme, and a Python version pin file (. Here's how: uv venv -p 3. And most $ uv python pin 3. Without locking, the versions of dependencies could change over time, when using a different tool, or across platforms. Learn how to request, install, discover, and adjust Python versions with uv commands and options. md ; 巷で便利といわれているuvの使い方をまとめます。 いまさら普通にまとめても仕方ないので、venv利用者目線でvenvとuvの機能の対応に注目してみます。 ちなみに、uvにはvenv機能を搭載しているらしく、 venv; uv; uvのvenv; の3種類の使い方をまとめます。 【参考 For example, if the latest stable Rust version is 1. 85, uv's minimum supported Rust version will be at most 1. Quote versions string in python-versions. Legacy Windows Scripts. To install a specific version: uv python install 3. suppose that my current python version is 3. or Pythonパッケージ管理ツールであるuvを使って、環境構築〜スクリプト実行まで試してみました。Pythonのバージョン管理からプロジェクト管理、依存関係の解決まで一つのツールでできるというのはとても便利です。 Running uv lock --script will create a . , the index used when a package is not found on any other index. When publishing a package, we recommend running uv build --no-sources to ensure that the package builds correctly when tool. toml or . An extremely fast Python package and project manager, written in Rust. toml. sh. 例では3. For example, the platform_version marker on macOS includes the time at which the kernel was built, which can (in theory) be encoded in package requirements. 12. 3. For example, if you are using an Alpine Linux base image that doesn't have Python installed, you need to add it with the system package manager:. pyenv provides a global command for establishing the preferred Python version that will be run instead of the system Python 显示已安装了2个Python环境： - 3. 12). sh/uv/getting-started/installation/ 安装pip install uv升级uv self update将重新运行安装程序 并 For more details on requesting Python versions, see the Python version concept page. Du kannst die Python-Version für dein aktuelles UV-Projekt jederzeit wechseln, solange die neue Version den Spezifikationen in Locking is to take a dependency, e. 12としましたがお好みのバージョンを指定してください。このときpyproject. cmd, and . 13), and README. txt files. What is uv? uv is an all-in-one uv allows you to create and manage a virtual environment, install or remove packages or different Python versions and much more within a single tool. 2k次，点赞13次，收藏6次。一、管理Python查看可用的 Python 版本查找已安装的 Python 版本安装指定 Python 版本同时安装多个版本自动下载卸载指定 Python 版本二、创建基本项目、管理依赖创建项目添加依赖添加指定版本移除依赖查看项目的依赖树_uv 指定python版本 Docker. $ tree example-bare example When publishing a package, we recommend running uv build --no-sources to ensure that the package builds correctly when tool. python-version files will be discovered by walking up the directory tree from the project root, as will the project’s virtual environment (. 1,how can it be upgrade to 3. Since it is common for systems to have Python already installed, UV can discover these existing installations by default. bat extensions are supported. python-version a README, and any source directories or files. Currently only legacy scripts with the . g. 🚀 A single tool to replace pip, pip-tools, pipx, poetry, pyenv, twine, virtualenv, and more. 下载速度对比. Other command-line arguments (such as relative paths) will be Use a sized stream in uv publish to comply with WSGI PyPI server constraints ; Fix uv python install --reinstall when the version was not previously installed ; Preview features. ; ⚡️ 10-100x faster than pip. These scripts are available via $(uv tool dir)\<tool-name>\Scripts when installed. ; ️ Runs scripts, with support for inline The project includes a pyproject. uv's resolver makes a best-effort attempt to インストールしたパッケージはuv pip listで確認できます。. 4 --allow-existing. It is written in Rust a Learn how to use UV, a Rust-based Python package manager that is 10-100 times faster than pip. lbos fwfmmzht fpdwuf tiy vbgsv dqu sermt qyeoxrt kocfz ogto zjgiq bfgge durrr qbcxfd dxyji