def webserver_list():
    p = set(get_packages())
    w = set(['apache2','gunicorn','uwsgi','nginx'])
    installed = p & w
    return list(installed)
Allow simple extension commands
dataset/ETHPy150Open bretth/woven/woven/webservers.py/webserver_list--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/imaplib.py/IMAP4.xatom