python – How to use virtualenv with python3.6 on ubuntu 16.04?

python – How to use virtualenv with python3.6 on ubuntu 16.04?

We usually use $ python3 -m venv myvenv to create a new virtualenv (Here myvenv is the name of our virtualenv).

Similar to my case, if you have both python3.5 as well as python3.6 on your system, then you might get some errors.

NOTE: On some versions of Debian/Ubuntu you may receive the following error:

 The virtual environment was not created successfully because ensure pip is not available.  On Debian/Ubuntu systems, you need to install the python3-venv package using the following command.
      apt-get installpython3-venv  
 You may need to use sudo with that command.  After installing the python3-venv package, recreate your virtual environment. 

In this case, follow the instructions above and install the python3-venv package:

$ sudo apt-get install python3-venv

NOTE: On some versions of Debian/Ubuntu initiating the virtual environment like this currently gives the following error:

Error Command: [/home/wgetdj/WorkPlace/Programming/Python/myvenv/bin/python3, -Im, ensurepip, --upgrade, --default-pip]

To get around this, use the virtualenv command instead.

$ sudo apt-get install python-virtualenv
$ virtualenv --python=python3.6 myvenv

NOTE: If you get an error like

E: Unable to locate package python3-venv

then instead run:

sudo apt install python3.6-venv

Installing python3.6 and python3.6-venv via ppa:deadsnakes/ppa instead of ppa:jonathonf/python-3.6 worked for me

apt-get update 
&& apt-get install -y software-properties-common curl 
&& add-apt-repository ppa:deadsnakes/ppa 
&& apt-get update 
&& apt-get install -y python3.6 python3.6-venv

python – How to use virtualenv with python3.6 on ubuntu 16.04?

First make sure you have python3.6 installed, otherwise you can install it with command:

sudo add-apt-repository ppa:deadsnakes/ppa   
sudo apt-get update   
sudo apt install python3.6

Now install venv i.e

sudo apt-get install python3.6-venv python3.6-dev
python3.6 -m venv venv_name

You can install python3.7/3.8 and also respective venv with above comman, just replace 3.6 with 3.X

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