Django | How to Start a Python Virtual Environment?

Picture source: LearnBATTA https://learnbatta.com/blog/how-to-install-python-virtualenv-19/

Before developing the Django project, we would like to set up a proper environment first. We don’t want to install Django globally!!! Due to the lots of different versions of Python and Django, using a virtual environment can help you establish a safe place to develop without messing up with other projects you are developing with another version.

1. Create a project folder

$ cd desktop
desktop $ mkdir django-664

• cd: move to another level of the folder
• mkdir: create a folder
• django-664django-664: folder name

The folder structure will be:

— <project folder> — <env>

2. Create a virtualenv folder

• Use $ virtualenv env

desktop $ cd django-664
django-664 $ virtualenv env
New python executable in /Users/RoyWang/Desktop/django-664/env/bin/python2.7
Also creating executable in /Users/RoyWang/Desktop/django-664/env/bin/python
Installing setuptools, pip, wheel…
done.

Screenshot of establishing a virtual environment

You will see a folder named “env” is created within folder “django-664”.

3. Activate the virtual environment

• move to the folder where env folder is at.

$ source env/bin/activate

4. How to check if you successfully establish the virtual environment

Use $ which python

• Before activate:

RoyWang django-664 $
RoyWang django-664 $ which python
/anaconda3/bin/python

• After activate:

(env) RoyWang django-664 $
(env) RoyWang django-664 $ which python
/Users/RoyWang/Desktop/django-664/env/bin/python

Then you can start to install requirements/dependencies!

Hi, I am Roy, a full-stack UX designer. My website: royfalinwang.com

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