migrate-to-uv
Decision gist · record as of 2026-08-14
Yes, if you are migrating a project to uv from Poetry, Pipenv, pip-tools, or pip and want to preserve metadata and lock state automatically. The tool is actively maintained, has no runtime dependencies, and carries no licensing restrictions. Alpha status means features may change, but the core migration workflow is stable and widely used. Install via uvx or pipx rather than as a library.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires uv or pipx to be installed separately; designed as a command-line tool run via tool runner, not imported as a library.
- Medium install friction due to platform-specific wheels (macOS, Linux, Windows, ARM variants), but no runtime dependencies.
- Active maintenance with recent releases; marked Alpha status suggests ongoing development.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution with minimal restrictions—suitable for both commercial and open-source projects.
last release 2026-04-08 (128 days) · last repo commit 2026-08-13 · 1,157 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 139,829 downloads/mo, #11,287 on PyPI
Alternatives
Verify before relying
# Install and run with uv
uvx migrate-to-uv
# Or with pipx
pipx run migrate-to-uv- Whether migration preserves all transitive dependencies exactly or only direct dependencies in edge cases.
- Performance characteristics when migrating large projects with hundreds of dependencies.
- Handling of custom Poetry plugins or non-standard package manager configurations.
What it is and what it does
migrate-to-uv is a CLI tool that automates the conversion of Python projects from Poetry, Pipenv, pip-tools, or pip to uv. It reads existing package manager configuration and lock files, then generates a uv-compatible pyproject.toml with all metadata, dependencies, optional dependencies, dependency groups, and entry points translated to uv's format. It preserves version specifiers by converting them to PEP 440 equivalents and generates a uv.lock file that locks all dependencies to the exact versions they had under the previous manager.
The tool is intended for developers migrating existing projects to uv and runs as a standalone command via uvx or pipx rather than as an imported library. It supports modern Python versions (3.8 through 3.14) and is actively maintained, though marked as Alpha status, indicating the feature set may still evolve.
Use it for
- Migrate a Poetry project to uv while preserving all metadata, optional dependencies, and locked versions.
- Convert a Pipenv project's lock file to uv.lock without manually re-specifying all transitive dependencies.
- Translate pip-tools constraints to uv dependency syntax and regenerate a compatible lock file.
- Automate bulk migration of multiple projects from different package managers to a standardized uv setup.
- Preserve dependency markers and custom sources (git, URL, path) when switching to uv.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are migrating a project to uv from Poetry, Pipenv, pip-tools, or pip and want to preserve metadata and lock state automatically.
The tool is actively maintained, has no runtime dependencies, and carries no licensing restrictions. Alpha status means features may change, but the core migration workflow is stable and widely used. Install via uvx or pipx rather than as a library.
Install
migrate-to-uv on PyPI
Before you install
Medium install friction due to platform-specific wheels (macOS, Linux, Windows, ARM variants), but no runtime dependencies. Active maintenance with recent releases; marked Alpha status suggests ongoing development.
Requires uv or pipx to be installed separately; designed as a command-line tool run via tool runner, not imported as a library.
License in practice
MIT license permits unrestricted use, modification, and distribution with minimal restrictions—suitable for both commercial and open-source projects.
Quickstart
# Install and run with uv
uvx migrate-to-uv
# Or with pipx
pipx run migrate-to-uvVerify before relying
- Whether migration preserves all transitive dependencies exactly or only direct dependencies in edge cases.
- Performance characteristics when migrating large projects with hundreds of dependencies.
- Handling of custom Poetry plugins or non-standard package manager configurations.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 128 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 139,829 / month, #11,287 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 3 - AlphaEnvironment :: ConsoleIntended Audience :: DevelopersOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Programming Language :: RustTopic :: Software Development :: Libraries |
Evidence: migrate_to_uv-0.12.0-py3-none-macosx_10_12_x86_64.whl; migrate_to_uv-0.12.0-py3-none-macosx_11_0_arm64.whl; migrate_to_uv-0.12.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl; migrate_to_uv-0.12.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; migrate_to_uv-0.12.0-py3-none-musllinux_1_1_aarch64.whl; migrate_to_uv-0.12.0-py3-none-musllinux_1_1_x86_64.whl; migrate_to_uv-0.12.0-py3-none-win_amd64.whl; migrate_to_uv-0.12.0-py3-none-win_arm64.whl
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See also pipenv · poetry-dotenv-plugin · poetry-plugin-export · uv-build · pip-upgrader · pip-compile-multi · poetry · nox-poetry · pip-review · pdm