#安裝python2.7版本

tar xvf Python-2.7.9.tar.xz

cd Python-2.7.9

./configure --prefix=/usr/bin/python2.7

make

make install

mv /usr/bin/python /usr/bin/python.bak

ln -s /usr/bin/python2.7/bin/python2.7 /usr/bin/python

問題1：yum安裝報錯

No module named yum

解決：

前面安裝了python2.7，默認2.6。python 版本更改后，

/usr/bin/yum 文件需要更新 ?首行改為?#!/usr/bin/python2.6

問題2：pip command not found

[root@ Python-2.7.9]# pip install jinja2

-bash: pip: command not found

解決[root@ ~]#??yum -y install python-setuptools

? ? ? [root@ ~]#??easy_install pip

問題3：安裝了python-setuptools之后，easy_install 又報錯ImportError: No module named pkg_resources

[root@ ~]# easy_install pip

Traceback (most recent call last):

? File "/usr/bin/easy_install", line 5, in <module>

? ? from pkg_resources import load_entry_point

ImportError: No module named pkg_resources

解決：

[root@ ~]#?curl https://bootstrap.pypa.io/ez_setup.py | python

問題4：easy_install pip 報錯 The 'distribute==0.6.10' distribution was not found?

[root@ ~]# easy_install pip

Traceback (most recent call last):

? File "/usr/bin/easy_install", line 5, in <module>

? ? from pkg_resources import load_entry_point

? File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 3019, in <module>

? File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 3003, in _call_aside

? File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 3032, in _initialize_master_working_set

? File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 655, in _build_master

? File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 963, in require

? File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 849, in resolve

pkg_resources.DistributionNotFound: The 'distribute==0.6.10' distribution was not found and is required by the application

解決：安裝distribute

[root@ ~]#?curl -O http://pypi.python.org/packages/source/d/distribute/distribute-0.6.10.tar.gz

[root@ ~]#?tar zxvf distribute-0.6.10.tar.gz

[root@ ~]#?cd distribute-0.6.10

[root@?distribute-0.6.10]#?python setup.py install

[root@ ~]# easy_install pip 成功

問題5：上圖顯示安裝pip成功，但執行命令依然顯示 command not found

[root@ ~]# pip install jinja2

-bash: pip: command not found

排查：

[root@ ~]# which pip

[root@~]# ls /usr/bin/pip

ls: 無法訪問/usr/bin/pip: 沒有那個文件或目錄

解決：創建軟連接：

[root@localhost ~]# ln -s /usr/bin/python2.7/bin/pip /usr/bin/pip

安裝成功

[root@~]# pip install jinja2

Collecting jinja2

? Downloading Jinja2-2.9.6-py2.py3-none-any.whl (340kB)

? ? 100% |████████████████████████████████| 348kB 28kB/s?

Collecting MarkupSafe>=0.23 (from jinja2)

? Downloading MarkupSafe-1.0.tar.gz

Installing collected packages: MarkupSafe, jinja2

? Running setup.py install for MarkupSafe ... done

Successfully installed MarkupSafe-1.0 jinja2-2.9.6

轉載于:https://blog.51cto.com/mengsir/1934654

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