poetry - Dependency Management for Python & Package & Publish -- a NPM-like tool of nodejs

poetry -- pipenv加强版本

https://python-poetry.org/

I built Poetry because I wanted a single tool to manage my Python projects from start to finish. I wanted something reliable and intuitive that the community could use and enjoy.

Sébastien Eustace

 

https://pypi.org/project/poetry/

Why?

Packaging systems and dependency management in Python are rather convoluted and hard to understand for newcomers. Even for seasoned developers it might be cumbersome at times to create all files needed in a Python project: setup.py, requirements.txt, setup.cfg, MANIFEST.in and the newly added Pipfile.

So I wanted a tool that would limit everything to a single configuration file to do: dependency management, packaging and publishing.

It takes inspiration in tools that exist in other languages, like composer (PHP) or cargo (Rust).

And, finally, there is no reliable tool to properly resolve dependencies in Python, so I started poetry to bring an exhaustive dependency resolver to the Python community.

 

Introduction

Introduction

poetry is a tool to handle dependency installation as well as building and packaging of Python packages. It only needs one file to do all of that: the new, standardized pyproject.toml.

In other words, poetry uses pyproject.toml to replace setup.py, requirements.txt, setup.cfg, MANIFEST.in and the newly added Pipfile.

[tool.poetry]
name = "my-package"
version = "0.1.0"
description = "The description of the package"

license = "MIT"

authors = [
    "Sébastien Eustace <sebastien@eustace.io>"
]

readme = 'README.md'  # Markdown files are supported

repository = "https://github.com/python-poetry/poetry"
homepage = "https://github.com/python-poetry/poetry"

keywords = ['packaging', 'poetry']

[tool.poetry.dependencies]
python = "~2.7 || ^3.2"  # Compatible python versions must be declared here
toml = "^0.9"
# Dependencies with extras
requests = { version = "^2.13", extras = [ "security" ] }
# Python specific dependencies with prereleases allowed
pathlib2 = { version = "^2.2", python = "~2.7", allow-prereleases = true }
# Git dependencies
cleo = { git = "https://github.com/sdispater/cleo.git", branch = "master" }

# Optional dependencies (extras)
pendulum = { version = "^1.4", optional = true }

[tool.poetry.dev-dependencies]
pytest = "^3.0"
pytest-cov = "^2.4"

[tool.poetry.scripts]
my-script = 'my_package:main'

 

 

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

 

https://www.cnblogs.com/zepc007/p/12054815.html

是一个Python虚拟环境和依赖管理工具，另外它还提供了包管理功能，比如打包和发布。
可以用来管理python库和python程序。

 

https://python-poetry.org/docs/basic-usage/

 

demo

https://replit.com/@fanqingsong/boilerplate-rock-paper-scissors#pyproject.toml

[tool.poetry]

name = "repl_python3_boilerplate-rock-paper-scissors"

version = "0.1.0"

description = ""

authors = ["fanqingsong <<>>"]

[tool.poetry.dependencies]

python = "^3.8"

mchmm = "^0.4.1"

[tool.poetry.dev-dependencies]

[build-system]

requires = ["poetry>=0.12"]

build-backend = "poetry.masonry.api"

 

此文件存在， 则 poetry install安装此文件中指定版本。

否则，使用 poetry update 更新版本。

https://replit.com/@fanqingsong/boilerplate-rock-paper-scissors#poetry.lock

[[package]]
category = "main"
description = "Simple Python interface for Graphviz"
name = "graphviz"
optional = false
python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*"
version = "0.16"

[package.extras]
dev = ["tox (>=3)", "flake8", "pep8-naming", "wheel", "twine"]
docs = ["sphinx (>=1.8)", "sphinx-rtd-theme"]
test = ["mock (>=3)", "pytest (>=4)", "pytest-mock (>=2)", "pytest-cov"]

[[package]]
category = "main"
description = "Markov chains and Hidden Markov models"
name = "mchmm"
optional = false
python-versions = "*"
version = "0.4.1"

[package.dependencies]
graphviz = "*"
numpy = "*"
scipy = "*"

[[package]]
category = "main"
description = "NumPy is the fundamental package for array computing with Python."
name = "numpy"
optional = false
python-versions = ">=3.7"
version = "1.20.2"

[[package]]
category = "main"
description = "SciPy: Scientific Library for Python"
name = "scipy"
optional = false
python-versions = ">=3.7"
version = "1.6.1"

[package.dependencies]
numpy = ">=1.16.5"

[metadata]
content-hash = "7138f7dddcea128d4ef48a8b139ae7e7cd86a57250865966e27782951c4aebb9"
python-versions = "^3.8"

[metadata.files]
graphviz = [
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    {file = "graphviz-0.16.zip", hash = "sha256:d2d25af1c199cad567ce4806f0449cb74eb30cf451fd7597251e1da099ac6e57"},
]
mchmm = [
    {file = "mchmm-0.4.1-py3-none-any.whl", hash = "sha256:f60cdd11a8fcd3ec68f1f696528b0a2b740a0f4d48b6edc2617c80a07abe42b3"},
    {file = "mchmm-0.4.1.linux-x86_64.tar.gz", hash = "sha256:0f22a096484ec8243b33f1f25ce80e466bc39bf288a16e5ccf7da4a355142470"},
]
numpy = [
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    {file = "numpy-1.20.2.zip", hash = "sha256:878922bf5ad7550aa044aa9301d417e2d3ae50f0f577de92051d739ac6096cee"},
]
scipy = [
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]