python&linux pip always try to use python2.7 instead of 3.4

Question

Ask: I can't install or upgrade any lib for python 3.4 because pip, pip3, pip3.4 not working or connected to python2.7.

I tried to set alias python=python3 and use just pip:

sudo pip install selenium

Requirement already satisfied (use --upgrade to upgrade): selenium in /usr/local/lib/python2.7/dist-packages
I tried pip3:

sudo pip3 install selenium

Requirement already satisfied (use --upgrade to upgrade): selenium in /usr/local/lib/python2.7/dist-packages
I tried pip3.4:

sudo pip3.4 install selenium

Requirement already satisfied (use --upgrade to upgrade): selenium in /usr/local/lib/python2.7/dist-packages
I tried to create venv for python3.4:

volodka@interceptor:/usr/bin$ sudo virtualenv -p /usr/bin/python3.4 python3env Running virtualenv with interpreter /usr/bin/python3.4 Using base prefix '/usr' New python executable in python3env/bin/python3.4 Also creating executable in python3env/bin/python Installing setuptools, pip, wheel...done.

volodka@interceptor:/usr/bin/python3env/bin$ . activate

(python3env)volodka@interceptor:/usr/bin/python3env/bin$ sudo pip install selenium Requirement already satisfied (use --upgrade to upgrade): selenium in /usr/local/lib/python2.7/dist-packages

Pip3, pip3.4 in virtualenv also try to install lib for python2.7. What I'm doing wrong?

Looks like your system is broken (unsurprisingly, taking into account some of things you did). Though things in the answers and in your comments will break that even more. — wRAR
– wRAR, Commented Apr 22, 2016 at 13:09

Milan_J · Accepted Answer · 2015-07-11 11:21:58Z

0

This is perhaps not the best solution. Having the same issue on Fedora 22, I managed to install python3 packages using pip this way:sudo pip3 install --install-option="--prefix=/usr/lib/python3.4/site-packages" package_name

answered Jul 11, 2015 at 11:21

Milan_J

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user6240631 · Accepted Answer · 2016-04-22 13:05:56Z

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The approach you should take is to install pip for Python 3.4.

You do this in the following way:

$ curl -O https://bootstrap.pypa.io/get-pip.py
$ sudo python3.4 get-pip.py

You then install things for Python 3.4 with pip3.4, and you install things with Python 2-7 with pip-2.7.

Check /usr/bin to see which pip versions you have there.

edited Apr 22, 2016 at 13:05

user6240631

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answered Jun 22, 2015 at 8:47

Vaulstein

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3 Comments

Vladimir Kolenov Over a year ago

volodka@interceptor:~/Downloads$ sudo python3.4 get-pip.py  Requirement already up-to-date: pip in /usr/local/lib/python3.4/dist-packages volodka@interceptor:~/Downloads$ pip install selenium Requirement already satisfied (use --upgrade to upgrade): selenium in /usr/local/lib/python2.7/dist-packages

And I have no pips in /usr/bin:

volodka@interceptor:~/Downloads$ whereis pip  pip: /usr/local/bin/pip2.7 /usr/local/bin/pip /usr/local/bin/pip3.4 /usr/share/man/man1/pip.1.gz

Vaulstein Over a year ago

try pip3.4 install selenium

Vladimir Kolenov Over a year ago

I did

volodka@interceptor:~/Downloads$ sudo pip3.4 install selenium Requirement already satisfied (use --upgrade to upgrade): selenium in /usr/local/lib/python2.7/dist-packages

Should I move python3.4 to /usr/bin?

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