pip是否可以处理来自setuptools/distribute来源的extras_requires? [英] Does pip handle extras_requires from setuptools/distribute based sources?

问题描述

我拥有带有setup.py和

I have package "A" with a setup.py and an extras_requires line like:

extras_require = {
    'ssh':  ['paramiko'],
},

还有一个依赖于util的程序包"B":

And a package "B" that depends on util:

install_requires = ['A[ssh]']

如果我在软件包B上运行python setup.py install，该软件包在后台使用了setuptools.command.easy_install，则extras_requires已正确解析，并且已安装paramiko.

If I run python setup.py install on package B, which uses setuptools.command.easy_install under the hood, the extras_requires is correctly resolved, and paramiko is installed.

但是，如果我运行pip /path/to/B或pip hxxp://.../b-version.tar.gz，则安装了软件包A，但没有安装paramiko.

However, if I run pip /path/to/B or pip hxxp://.../b-version.tar.gz, package A is installed, but paramiko is not.

因为pip是从源代码安装"，所以我不确定为什么它不起作用.它应该先调用B的setup.py，然后解析&安装B和A的依赖项.

Because pip "installs from source", I'm not quite sure why this isn't working. It should be invoking the setup.py of B, then resolving & installing dependencies of both B and A.

pip可以吗?

推荐答案

此功能自2012年2月(问了该问题一年后)发布的pip 1.1之后就被支持.

This is suppported since pip 1.1, which was released in February 2012 (one year after this question was asked).

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