Walkthrough of Python 2.6 upgrade to Python 2.7

This article mainly describes the Python 2.6 upgrade to Python 2.7 practice experience, with a certain reference value, interested in small partners can refer to

Objective

CentOS 6.8 installs Python 2.7.13 because of the requirements on the software version so consider upgrading Python to 2.7.13, plus the production environment or RHEL 6, most of the Internet Automation operations platform is also recommended for Python 2.7.x + CentOS 6 . x to operate, choose Python 2 or Python 3 is not conclusive, find the right match.

Simple installation

Because Python 2.7.13 later will automatically refine the Yum configuration, it's not necessary to refer to previous online articles to modify other places

# View the Python version in the current system, return to Python 2.6.6 for normal python--versionpython 2.6.6# check CentOS version, return to CentOS Release 6.8 (Final) as normal cat/e Tc/redhat-releasecentos Release 6.8 (Final) # Install all development Kits Yum Groupinstall-y "Development Tools" # Install additional required packages Yum Install-y Zli B-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel# Download, compile, and install Python 2.7.13#wget https://www.python.org/ftp/ Python/2.7.13/python-2.7.13.tgztar zxf python-2.7.13.tgzcd python-2.7.13./configuremake && make install# view the new Python version, return python 2.7.13 to normal python--versionpython 2.7.13

Ansible Offline Installation Practice

Here are some tips for offline installation of ansible in the intranet.

# Install Pythontar XF python-2.7.13.tgzcd python-2.7.13./configuremakemake install# importerror:no module named Six.mov Estar XF six-1.10.0.tar.gzcd six-1.10.0python setup.py installcd. # importerror:no module named Packaging.versiontar XF packaging-16.8.tar.gzcd packaging-16.8python setup.py installcd. # importerror:no module named Pyparsingtar XF pyparsing-2.2.0.tar.gzcd pyparsing-2.2.0python setup.py installcd. # importerror:no module named Appdirstar XF appdirs-1.4.3.tar.gzcd appdirs-1.4.3python setup.py installcd. # Install Setuptoolsunzip setuptools-34.2.0.zipcd setuptools-34.2.0python setup.py installcd. # Install Piptar XF pip-9.0.1.tar.gzcd pip-9.0.1python setup.py installcd. # pip offline download dependency package pip install-d ~/tmp/ansiblepip install-d ~/tmp/ansible-cmdb# pip offline install pip install ansible--index-url=http ://172.31.197.1:7000/simple/--trusted-host=172.31.197.1pip Install Ansible-cmdb--index-url=http:// 172.31.197.1:7000/simple/--trusted-host=172.31.197.1# View the installed version [Root@ansibLe-wangao ansible]# pip-vpip 9.0.1 From/usr/local/lib/python2.7/site-packages/pip-9.0.1-py2.7.egg (python 2.7) [ Root@ansible-wangao ansible]# ansible--versionansible 2.3.0.0 config file =/etc/ansible/ansible.cfg configured module s Earch Path = default w/o overrides python Version = 2.7.13 (Default, APR, 17:19:23) [GCC 4.4.7 20120313 (Red Hat 4 .4.7-17)][root@ansible-wangao ansible]# ansible-cmdb--versionansible-cmdb v1.20# Replace the watercress pip source vim $HOME/.pip/pip.conf[ Global]index-url = https://pypi.doubanio.com/simple/[install]trusted-host=pypi.doubanio.com

Windows installation Python 2.7.x

Download python, such as 2.7.13

Https://www.python.org/downlo ...

Https://www.python.org/ftp/py ...

Installation Note Check the environment variable add Python.exe to Path

Install python2.7.13 default own PIP version is 9.0.1

PS c:usersadministrator> Pip-v

Pip 9.0.1 from C:python27libsite-packages (Python 2.7)

Upgrade pippython-m pip install--upgrade pip after installing Python

# Replace PyPI domestic source, run the following Python code will automatically establish Pip.iniimport osini= "" "[Global]index-url = Https://pypi.doubanio.com/simple/[install] Trusted-host=pypi.doubanio.com "" "pippath=os.environ[" UserProfile "]+" \\pip\\ "If not os.path.exists (Pippath):  Os.mkdir (Pippath) with open (pippath+ "Pip.ini", "w+") as F:  f.write (INI)