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i just started learning django and i am very confused in how to set up a virtual environment.

i have successfully installed python:

When i run python --version i get Python 3.8.1

and when i run python3 --version i get Python 3.8.1

My first problem is when i run which -a python3 i get this

/Library/Frameworks/Python.framework/Versions/3.8/bin/python3

/usr/local/bin/python3

/usr/bin/python3

Can someone help me understand why i have 3 locations where python3 exist?

My 2nd problem is i have successfully installed virtaulenv and virtualenvwrapper

when i run virtualenv --version i get:

virtualenv 20.4.3 from /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/virtualenv/__init__.py

and when i run virtualenvwrapper --version i get:

-bash: virtualenvwrapper: command not found

thats why when i run mkvirtualenv test i keep getting command not found.

My third problem is what is the difference between virtualenv test and mkvirtualenv test?

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  • So if you go to /usr/local/bin and /usr/bin/ ... and list python3... you will find that there is a soft link. These all python3 will link to the same binary python. Commented Mar 24, 2021 at 5:29
  • @ShivendraPratapKushwaha what do you mean by list python3 to find a soft link? Commented Mar 24, 2021 at 5:35
  • you just can do ls -ld python3 ... in /usr/local/bin and /usr/bin/ path... Commented Mar 24, 2021 at 5:38
  • @ShivendraPratapKushwaha for /usr/local/bin i get lrwxr-xr-x 1 root wheel 69 26 Jan 2020 python3 -> ../../../Library/Frameworks/Python.framework/Versions/3.8/bin/python3 and for /usr/bin/ i get -rwxr-xr-x 1 root wheel 31488 22 Sep 2020 python3 they are not the same, why? Commented Mar 24, 2021 at 5:41
  • so you have two different python3. /usr/bin is distribution managed. /usr/local/bin is not a distribution managed, but a locally package installation. It is not recommended to install your local packages in /usr/bin otherwise it some updates on distribution managed will be impacted... Now if you do echo $PATH. you will see that /usr/local/bin will come before /usr/bin.. so that you can use you local package, and if local package is not found then system will take it from /usr/local i.e. from distribution manager. Commented Mar 24, 2021 at 5:55

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If you are using Ubuntu you can follow the steps below

  1. Go to the folder where you intend to keep your Django project
  2. Run the command python -m venv env
  3. env is the name of virtual env if python doesn't work try with python3
  4. activate environment by source env/bin/activate env is the name of environment.
  5. Install all dependencies make a new folder and import Django project in it.
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3 Comments

I am not using ubuntu, i am trying to install it on Mac Terminal
check the link you will find solution : codingforentrepreneurs.com/blog/install-django-on-mac-or-linux
this works even for mac I am using the same

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