python install package from python

Question

How can I install/check/upgrade a python package from python ? I don't want to run easy_install in the console, I'm trying to make a wrapper to easy_install.

From cli I'm able to do this:

easy_install somelib
pip install somelib

I want to install packages from python. Ex:

try:
    import somelib
except ImportError:
    myFunctionInstall("somelib")

I've completed the post with some sample code of what I want to do. — Teodor Pripoae
– Teodor Pripoae, Commented May 28, 2012 at 12:53

Martijn Pieters · Accepted Answer · 2012-05-28 13:05:12Z

1

You generally do not want to do this. Provide proper dependencies in your setup.py file instead, and let tools like pip, easy_install or zc.buildout do the dependency work for you. People deploying the code need to be able to control where dependencies are installed, for example, to keep conflicting versions separate.

answered May 28, 2012 at 13:05

Martijn Pieters

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Comments

user4340135 · Accepted Answer · 2016-05-16 15:09:46Z

0

You can do something like this:

import os

myFunctionInstall(module):
    os.system("pip install " + module)

try:
    import somelib
except ImportError:
    myFunctionInstall("somelib")

You must have pip installed in your system. Hope it helps :)

answered May 16, 2016 at 15:09

user4340135

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