pip execution error caused by python upgrade

admin · Posted on 12/7/2016 4:06:49 PM

centos5.x defaults to python version 2.4, but some software requires python above 2.5.
So we need to upgrade Python, for example, to version 2.7, steps
curl -O http://python.org/ftp/python/2.7/Python-2.7.tgz
tar xfz Python-2.7.tgz
cd Python-2.7
./configure
make && make install

Replace /usr/bin/python with a python 2.7 softlink
ln -s /usr/local/bin/python2.7.3 /usr/bin/python

Check the version with python -V.

But the problem is that after upgrading python, the originally installed pip may encounter errors, as follows:

Login is visible.

So pip also needs to be upgraded to the supporting version:
curl -O http://pypi.python.org/packages/2.7/s/setuptools/setuptools-0.6c11-py2.7.egg
sh setuptools-0.6c11-py2.7.egg

easy_install pip
Now look at the pip under the /usr/local/bin directory:
[root@dev1 bin]# ll /usr/local/bin |grep pip
-rwxr-xr-x 1 root root 250 Oct 18 17:23 pip
-rwxr-xr-x 1 root root 258 Oct 18 17:23 pip-2.7

Use pip-2.7.

[Source] pip execution error caused by python upgrade

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