Setting an environment variable in a project Click on Environment Variables. Add new variables by clicking the Add Variable button and enter a name and value.

Open up a terminal and type: $ python –version. $ Python 2.7.10. $ pip -h. $ python get-pip.py. $ pip install virtualenv. $ virtualenv [name of your new virtual environment] $ cd [name of your new virtual environment] $ source bin/activate.

To set and get environment variables in Python you can just use the os module: import os # Set environment variables os. environ[‘API_USER’] = ‘username’ os. environ[‘API_PASSWORD’] = ‘secret’ # Get environment variables USER = os.

On Mac OS X the configuration file is $HOME/Library/Application Support/pip/pip. conf. On Windows the configuration file is %APPDATA%\pip\pip.

Create and Modify Environment Variables on Windows On the Windows taskbar, right-click the Windows icon and select System. In the Settings window, under Related Settings, click Advanced system settings. … On the Advanced tab, click Environment Variables. … Click New to create a new environment variable.

Windows 8 and Windows 10 In the User variables section, click New to open the New User Variable dialog box. Enter the name of the variable and its value, and click OK. The variable is added to the User variables section of the Environment Variables dialog box. Click OK in . . . Read more

Create a Virtual Environment using “virtualenv” Install the virtualenv. … Create a virtual environment. … Create an environment with a specific version of Python. … Activate the virtual environment. … Deactivate the virtual environment. … Check which Environment you are in. … Remove an environment.

Activate the virtual environment On Unix or MacOS, using the bash shell: source /path/to/venv/bin/activate. On Unix or MacOS, using the csh shell: source /path/to/venv/bin/activate.csh. On Unix or MacOS, using the fish shell: source /path/to/venv/bin/activate.fish.

getenv() method in Python returns the value of the environment variable key if it exists otherwise returns the default value. default (optional) : string denoting the default value in case key does not exists. If omitted default is set to ‘None’.

Add Python to the Windows Path To add the path to the python.exe file to the Path variable, start the Run box and enter sysdm.cpl: This should open up the System Properties window. Go to the Advanced tab and click the Environment Variables button: In the System variable window, find . . . Read more