This Article will Guide you Through Python Multi-Versions Installation, Setup and Management.
The Easiest Way on Installing and Managing Python macOS is Prepared by Installing and Updating the Macports.
So to Make your Developer Way and Experience Easier and more Pleasant on a BSD Based macOS I Strongly Encourage you to Setup and Use the MacPorts for Installing and Managing Packages.
The General Command Form for Installing a Package by the MacPorts take the Form:
sudo port install <packagename>
The Fundamental 2 Steps for Successfully Managing a Python Multi-Version Installing are:
-
Setup the PATH
-
Switch Between Python Versions by the Macports select Command
-
To Strongly Setup the Python PATH you should Edit the Main Shell Configuration Files:
-
~/.bashrc
-
~/.profile
Inserting Near to the Top of Both the Following Configuration Line:
export PATH=/opt/local/bin:/opt/local/sbin:$PATH
If you Make your Changes on Terminal be Sure after to Re-Load the Shell…
-
-
After to Change/Switch between Python Versions you simply Perform on Terminal:
sudo port select --set python <X.Y>
Example:
sudo port select --set python python27
To Find the Python Versions Currently, at your Disposal on the System:
port select --list python
To Show the Python Version Currently, Active on the System:
port select --show python
If you Correctly Setup the Path after All Should Work like a Charm ;)
Another Interesting Mac-Python Tutorial is Here: