def get_http_proxy(network_service="Ethernet"):
    if __grains__['os'] == 'Windows':
        return _get_proxy_windows(['http'])

    return _get_proxy_osx("getwebproxy", network_service)
Call from the class that inherits this, with the rtslib object that
dataset/ETHPy150Open saltstack/salt/salt/modules/proxy.py/get_http_proxy--crossover with--dataset/ETHPy150Open agrover/targetcli-fb/targetcli/ui_node.py/UIRTSLibNode.__init__