installpythonvirtualenv.rst

Python Virtual Environment

To install Python Virtual Environment on your machine, follow the following instructions:

1. On Windows,

   1. In Windows PowerShell, go to the robustest folder

   2. Run the following commands

      easy_install pip

      1. You can obtain the latest version of pip by running the command pip install --upgrade pip
      2. If you face any permission issues then run the following command: pip install --user —upgrade pip

3. Run the following commands
   1. pip install --user virtualenv
   2. py -m v env virtualenv
   3. .\virtualenv\Scripts\activate (to activate virtualenv)
      1. If you get an error message stating that you are unable to run a script, then run the following command on PowerShell
         1. Set-ExecutionPolicy RemoteSigned and hit Enter
         2. Type A and hit Enter
         3. Now run the activate command above
   4. pip install -r requirements.txt
      • The requirements.txt file will be available within the robustest folder
   5. deactivate
4. Create the VIRT_ENV environment variable
   1. In the Windows Search bar, search using the string ‘env’
   2. Click on the option ‘Edit the system environment variables’
   3. Click on the button ‘Environment Variables’
   4. Under the section ‘User Variables’, click on the button ‘New’
      1. Enter VIRT_ENV in the ‘Variable name’ field
      2. Enter the path to the robustestvirtualenv folder in the ‘Variable value’ field. This is usually of the form C:\\Users<username>\robustest\virtualenv
   5. Go to the folder ~/robustest/virtualenv and rename the folder ‘Scripts’ to ‘bin’

2. For Mac and Linux,
   1. On the terminal, go to the robustest folder
   2. Run the following commands
      1. easy_install pip
      2. pip install virtualenv
      3. virtualenv virtualenv
      4. source ~/robustest/virtualenv/bin/activate
      5. pip install -r requirements.txt
         • The requirements.txt file will be available within the robustest folder
      6. deactivate