Python 3 Virtualenv Ubuntu Usage Guide

Python 3 Virtualenv Ubuntu Usage

Hi! The Tutorial shows you Step-by-Step How to Getting-Started with Python 3.X Virtualenv on Ubuntu 16.04 Xenial LTS GNU/Linux.

And a Python 3 Virtualenv on Ubuntu 16.04 Setup make use of the Python 3 venv Tool to Make Virtual Environments.

Finally, each venv Virtual Environment has its own Python binary and can have its own independent set of installed Python packages in its site directories.

1. Open a Terminal Shell emulator window
   Ctrl+Alt+t on Desktop
   (Press “Enter” to Execute Commands)

   

2. Install Virtualenv Python 3 on Ubuntu

   Here Virtualenv Python 3 Install Guide

   How to Install Virtualenv Python 3 on Ubuntu GNU/Linux

3. To Make a Python 3 Virtual Environmnet.

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   python3 -m venv test ~/Envs/test

4. Then to Activate Virtual Environment.

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   source ~/Envs/test/bin/activate

5. To List All the Existing Virtual Environments.

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   ls $WORKON_HOME

6. To Switch the Virtual Environmnet.

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   python3 -m venv test ~/Envs/essai

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   source ~/Envs/essai/bin/activate

   Show the Working Virtual Env:

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   echo $VIRTUAL_ENV

7. To Install Software into the Virtual Environmnet.

   For Example:

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   pip install django

8. To List All the Virtual Environmnet Packages.

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   lssitepackages

9. To Automatically Run a Command after Environment Creation.

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   echo '[bash-command]' > $WORKON_HOME/postactivate

   For Instance to Automatically Change to the New Env Directory:

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   echo 'cd $VIRTUAL_ENV' > $WORKON_HOME/postactivate

10. To Automatically Installing Commonly Used Tools.

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    echo 'pip install [myGoodTool]' > $WORKON_HOME/postmkvirtualenv

    For Example:

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    echo 'pip install sphinx' > $WORKON_HOME/postmkvirtualenv

Getting-Started with Python Selenium Testing Browser Environment:

Here Quick-Start with Selenium Python Client
How to Getting-Started with Selenium Python Webdriver