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python-poetry/poetry

Python packaging and dependency management made easy
Source code at GitHub https://python-poetry.org
python-poetry/poetry.json
{
  "createdAt": "2018-02-28T15:23:47Z",
  "defaultBranch": "main",
  "description": "Python packaging and dependency management made easy",
  "fullName": "python-poetry/poetry",
  "homepage": "https://python-poetry.org",
  "language": "Python",
  "name": "poetry",
  "pushedAt": "2025-11-24T21:26:14Z",
  "stargazersCount": 34081,
  "topics": [
    "dependency-manager",
    "package-manager",
    "packaging",
    "poetry",
    "python"
  ],
  "updatedAt": "2025-11-26T09:30:21Z",
  "url": "https://github.com/python-poetry/poetry"
}

Poetry: Python packaging and dependency management made easy

Section titled “Poetry: Python packaging and dependency management made easy”

Poetry [Stable Version][PyPI Releases] [Pre-release Version][PyPI Releases] [Python Versions][PyPI] Download Stats [Discord][Discord]

Poetry helps you declare, manage and install dependencies of Python projects, ensuring you have the right stack everywhere.

Poetry Install

Poetry replaces setup.py, requirements.txt, setup.cfg, MANIFEST.in and Pipfile with a simple pyproject.toml based project format.

[project]
name = "my-package"
version = "0.1.0"
description = "The description of the package"


license = { text = "MIT" }
readme = "README.md"


# No python upper bound for package metadata
requires-python = ">=3.9"


authors = [
    { name = "Sébastien Eustace", email = "sebastien@eustace.io" },
]


# Keywords (translated to tags on the package index)
keywords = ["packaging", "poetry"]


dependencies = [
    # equivalent to ^3.8.1 with semver constraints
    "aiohttp (>=3.8.1,<4.0.0)",
    # dependency with extras
    "requests[security] (>=2.28,<3.0)",
    # version-specific dependency with prereleases allowed (see below)
    "tomli (>=2.0.1,<3.0.0) ; python_version < '3.11'",
    # git dependency with branch specified
    "cleo @ git+https://github.com/python-poetry/cleo.git@main",
]


[project.urls]
repository = "https://github.com/python-poetry/poetry"
homepage = "https://python-poetry.org"


# Scripts are easily expressed
[project.scripts]
my_package_cli = 'my_package.console:run'


[project.optional-dependencies]
# optional dependency to be installed via 'poetry install -E my-extra'
my-extra = ["pendulum (>=3.1.0,<4.0.0)"]


[tool.poetry.dependencies]
# Python upper bound for locking
python = ">=3.9,<4.0"
# Version-specific dependencies with prereleases allowed
tomli = { allow-prereleases = true }


# Dependency groups are supported for organizing your dependencies
[tool.poetry.group.dev.dependencies]
pytest = "^7.1.2"
pytest-cov = "^3.0"


# ...and can be installed only when explicitly requested
# via 'poetry install --with docs'
[tool.poetry.group.docs]
optional = true
[tool.poetry.group.docs.dependencies]
Sphinx = "^5.1.1"

Installation

Section titled “Installation”

Poetry supports multiple installation methods, including a simple script found at [install.python-poetry.org]. For full installation instructions, including advanced usage of the script, alternate install methods, and CI best practices, see the full [installation documentation].

Documentation

Section titled “Documentation”

[Documentation] for the current version of Poetry (as well as the development branch and recently out of support versions) is available from the [official website].

Contribute

Section titled “Contribute”

Poetry is a large, complex project always in need of contributors. For those new to the project, a list of [suggested issues] to work on in Poetry and poetry-core is available. The full [contributing documentation] also provides helpful guidance.

Resources

Section titled “Resources”
Section titled “Related Projects”
  • poetry-core: PEP 517 build-system for Poetry projects, and dependency-free core functionality of the Poetry frontend
  • poetry-plugin-export: Export Poetry projects/lock files to foreign formats like requirements.txt
  • poetry-plugin-bundle: Install Poetry projects/lock files to external formats like virtual environments
  • install.python-poetry.org: The official Poetry installation script
  • website: The official Poetry website and blog

Supporters

Section titled “Supporters”

Thanks to JetBrains for supporting us with licenses for their tools.

JetBrains logo.