python-requests Using requests behind a proxy Using proxy environment variables
Example
requests uses specific environment variables automatically for proxy detection.
HTTP_PROXYwill define the proxy URL to use for HTTP connectionsHTTPS_PROXYwill define the proxy URL to use for HTTPS connections
Once these environment variables are set, the Python code does not need to pass anything to the proxies parameter.
requests.get('http://example.com')
