CentOS升級Python2.7及安裝pip<?xml version="1.0" encoding="UTF-8"?>

CentOS升級Python2.7及安裝pip

1) 升級Python2.7

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python -V? # 查看版本：Python 2.6.6mkdir -p ~/Env/python; cd ~/Env/python? # 創建個目錄wget --no-check-certificate https://www.python.org/ftp/python/2.7.6/Python-2.7.6.tar.xztar Jxvf Python-2.7.6.tar.xzcd Python-2.7.6./configure --prefix=/usr/local/py-2.7.6? # "./configure -h"查看幫助make? # 報模塊缺失時，有需要的安裝后重make# issue: INFO: Can't locate Tcl/Tk libs and/or headers#??????? Python build finished, but the necessary bits to build these modules were not found:#??????? ...# 注1：zlib必要，之后安裝setuptools要用。見"安裝setuptools"。# 注2：openssl必要，之后pip要用。見"安裝pip"。# 注3：bzip2也最好加，執行"yum install bzip2 bzip2-devel -y"。make install# 建立軟鏈接，默認指向Python2.7mv /usr/bin/python /usr/bin/python2.6.6ln -s /usr/local/py-2.7.6/bin/python2.7 /usr/bin/pythonpython -V? # Python 2.7.6# yum不兼容Python2.7，需要指定為原版本vi /usr/bin/yum# 將"!/usr/bin/python"改為"!/usr/bin/python2.6.6"# ibus也不兼容Python2.7，需要修改# 將"exec python"改為"exec python2.6.6"ll /usr/bin | grep python? # 確認下python2.6.6vi /usr/bin/ibus-setup? # 修改vi /usr/libexec/ibus-ui-gtk? # 修改reboot? # 可能需要重啟

2) 準備基礎環境

2.1) 安裝setuptools

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cd ~/Env/pythonwget http://pypi.douban.com/packages/source/s/setuptools/setuptools-3.3.tar.gz? # 豆瓣源tar zxvf setuptools-3.3.tar.gzcd setuptools-3.3python setup.py buildsudo python setup.py install# 或者用ez_setup.py，同樣改為豆瓣源# wget https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py# python ez_setup.py --download-base http://pypi.douban.com/packages/source/s/setuptools/# 缺少zlib，安裝setuptools時出錯。# issue: RuntimeError: Compression requires the (missing) zlib moduleyum install zlib zlib-devel -y# 重make Python2.7再安裝cd ../Python-2.7.6make? # 這時才注意先前make時缺了好多模塊make install# 環境變量vi /etc/profile# 添加如下內容：# PY_HOME=/usr/local/py-2.7.6# export PATH=$PY_HOME/bin:$PATHsource /etc/profile? # 當前終端生效，reboot后才會完全生效echo $PATH

2.2) 安裝pip

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easy_install -i http://pypi.douban.com/simple pip# 缺少ssl模塊，pip使用時出錯# issue: ImportError: cannot import name HTTPSHandleryum install openssl openssl-devel -ymake? # Python-2.7.6目錄make install# 配置pip為豆瓣源mkdir ~/.pip? # ls或ll -a 查看隱藏內容vi ~/.pip/pip.conf# 添加如下內容：# [global]# index-url = http://pypi.douban.com/simple

2.3) 安裝virtualenv

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123	supip install virtualenvpip install virtualenvwrapper

virtualenv用于創建隔離的Python運行環境，依賴不同庫和版本時避免混亂。

virtualenvwrapper為virtualenv上的擴展，提供更方便的命令。

2.4) 其他

Document

• Sphinx
  • 'pip install Sphinx'

Network

• Twisted
  • 'pip install Twisted'
  • zope.interface
    
• Scrapy
  • 'pip install Scrapy'

Web framework

• Django
  • 'pip install Django'
• Tornado
  • 'pip install tornado'
• Flask
  • 'pip install Flask'

來自為知筆記(Wiz)

轉載于:https://www.cnblogs.com/highroom/p/a41f335dc3880bba1e10a0d954241a1c.html

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