I’m using Ubuntu 17.04 and it has Python 2.7.13 installed. I want to use Python 3 without it colliding with Python 2.7.13.
I’ve installed and built Python 3 from source and aliased it without an issue. Right now python is pointing to usr/bin/python which is the system default, and I aliased python3 to point my custom installation in ~/Python-3.6.3".
The next step I’m having problems with is installing pip3. If I install it via apt install python3-pip I’m afraid it will try to download packages to the older version of Python. Is there a way to install pip3 in the setup I’ve described and point it to my custom installation of Python 3?
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Answer
You can follow these directions to download a file called get-pip.py. You simply run this command with the target python installation.