Uv Install Dependencies, lock file after installing new dependencies: uv lock Deployments should always install from uv.

Uv Install Dependencies, The biggest win that I’ve experienced from uv so far is the ability to run an executable script and have any necessary dependencies install automagically. See examples of dependency fields, sources, constraints, markers, and workspaces in pyproject. Oct 14, 2026 · See the documentation on installing packages for more details. For developers who want a faster, cleaner Python setup, UV is quickly Feb 2, 2025 · Managing Dependencies in Production Once your project is set up, here are best practices for maintaining clean dependency management: 1. uv will always use the latest Oct 26, 2026 · With uv, you can install and manage multiple Python versions, create virtual environments, efficiently handle project dependencies, reproduce working environments, and even build and publish a project. See the official pyproject. These capabilities make uv an all-in-one tool for Python project management. Standalone installer uv provides a standalone installer to download and install uv: Apr 25, 2025 · Unlike poetry, UV sticks to just managing dependencies and environments, letting you pair it with other tools as needed. Automatic lock and sync Locking and syncing are automatic in uv. Nov 3, 2025 · Python package managers let you install and manage dependencies—like NumPy, pandas, and so on—right from your terminal. In this article, you will learn how to use uv—an extremely fast Python package manager. We would like to show you a description here but the site won’t allow us. toml? Where is that notorious uv install command that would install all the project packages? Oct 14, 2026 · With --resolution lowest, uv will install the lowest possible version for all dependencies, both direct and indirect (transitive). It's all vague and indirect, with no concrete example/instructions! How am I supposed to install project dependencies from an existing pyproject. `uv add 'fastapi>=0. One install, one CLI, one mental model. 0') 21 hours ago · uv release artifacts can be downloaded directly from GitHub Releases. sh. uv extends their interfaces with advanced features, such as dependency version overrides, platform-independent resolutions, reproducible resolutions, alternative resolution strategies, and more. Alternatively, --resolution lowest-direct will use the lowest compatible versions for all direct dependencies, while using the latest compatible versions for all other dependencies. lock: uv sync 2. in It is also common to use a lightweight requirements file format to declare the dependencies for the project. Using requirements. Dependency can just package name like fastapi or with version constraint (eg. For example, when uv run is used, the project is locked and synced before invoking the Oct 14, 2026 · A guide to using uv to run Python scripts, including support for inline dependency metadata, reproducible scripts, and more. Installing Trio 's dependencies with a warm cache. 1 day ago · Learn uv for Python: install the tool, create a project, manage dependencies, run code, and switch Python versions in one practical tutorial. The pip interface uv provides a drop-in replacement for common pip, pip-tools, and virtualenv commands. Each requirement is defined on its own line. It comes from Astral, now part of OpenAI, the same team behind Ruff and ty. Sep 29, 2026 · uv ships as a standalone binary with no Python dependency, so you can bootstrap an entire Python development environment from scratch. com instead of astral. Keep Dependencies Locked in Production Always generate a uv. lock file after installing new dependencies: uv lock Deployments should always install from uv. Each release page includes binaries for all supported platforms as well as instructions for using the standalone installer via github. toml guide for more details on getting started with a pyproject. 21 hours ago · Introduction Getting started Installing uv Installation methods Install uv with our standalone installers or your package manager of choice. If any of the requested dependencies cannot be found, uv will exit with an error, unless the --frozen flag is provided, in which case uv will add the dependencies verbatim without checking that they exist or are compatible with the project. Jan 21, 2025 · The official documentation doesn't clearly explain how to install project dependencies. Syncing is the process of installing a subset of packages from the lockfile into the project environment. Aug 22, 2024 · Use uv add <dep> or uv add --dev <dep> / uv add --group <grp> <dep> to install dependencies. 115. By the end of this tutorial, you’ll understand that: Dec 9, 2024 · I still prefer pyenv for its ability to install custom Python builds and I don’t have a preference between uv tool and pipx. . See the installation documentation for details and alternative installation methods. toml. Removing Dependencies Cleanly To uninstall a package while ensuring dependencies remain uv An extremely fast Python package and project manager, written in Rust. Prerequisites To get the most out of this Oct 14, 2026 · Introduction Concepts Projects Locking and syncing Locking is the process of resolving your project's dependencies into a lockfile. Oct 14, 2026 · Learn how to use uv to add, remove, change, and import dependencies for your Python projects. qr0al, ct, n02ch, k1lpf, axegq9, lcux, hoqa, 0aa, kqs, 55zpqj3,