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Linux–pip备份安装教程

Linux admin 3年前 (2017-02-11) 1301次浏览 0个评论 扫描二维码

Installation

Do I need to install pip?

pip is already installed if you’re using Python 2 >=2.7.9 or Python 3 >=3.4 binaries downloaded from python.org, but you’ll need to upgrade pip.

Additionally, pip will already be installed if you’re working in a Virtual Environment created byvirtualenv or pyvenv.

Installing with get-pip.py

To install pip, securely download get-pip.py. [2]

Then run the following:

python get-pip.py

Warning

Be cautious if you’re using a Python install that’s managed by your operating system or another package manager. get-pip.py does not coordinate with those tools, and may leave your system in an inconsistent state.

get-pip.py will also install setuptools [3] and wheel, if they’re not already. setuptools is required to install source distributions. Both are required to be able to build a Wheel Cache (which improves installation speed), although neither are required to install pre-built wheels.

Note

The get-pip.py script is supported on the same python version as pip. For the now unsupported Python 3.2, an alternate script is available here.

get-pip.py options

--no-setuptools
If set, don’t attempt to install setuptools
--no-wheel
If set, don’t attempt to install wheel

Additionally, get-pip.py supports using the pip install options and the general options. Below are some examples:

Install from local copies of pip and setuptools:

python get-pip.py --no-index --find-links=/local/copies

Install to the user site [4]:

python get-pip.py --user

Install behind a proxy:

python get-pip.py --proxy="[user:passwd@]proxy.server:port"

Upgrading pip

On Linux or macOS:

pip install -U pip

On Windows [5]:

python -m pip install -U pip

Python and OS Compatibility

pip works with CPython versions 2.6, 2.7, 3.3, 3.4, 3.5 and also pypy.

This means pip works on the latest patch version of each of these minor versions (i.e. 2.6.9 for 2.6, etc). Previous patch versions are supported on a best effort approach.

pip works on Unix/Linux, macOS, and Windows.


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