>>> from user_agent import generate_user_agent, generate_navigator
>>> from pprint import pprint
>>> generate_user_agent()
'Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.3; Win64; x64)'
>>> generate_user_agent(os=('mac', 'linux'))
'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:36.0) Gecko/20100101 Firefox/36.0'
>>> pprint(generate_navigator())
{'app_code_name': 'Mozilla',
 'app_name': 'Netscape',
 'appversion': '5.0',
 'name': 'firefox',
 'os': 'linux',
 'oscpu': 'Linux i686 on x86_64',
 'platform': 'Linux i686 on x86_64',
 'user_agent': 'Mozilla/5.0 (X11; Ubuntu; Linux i686 on x86_64; rv:41.0) Gecko/20100101 Firefox/41.0',
 'version': '41.0'}
>>> pprint(generate_navigator_js())
{'appCodeName': 'Mozilla',
 'appName': 'Netscape',
 'appVersion': '38.0',
 'platform': 'MacIntel',
 'userAgent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:38.0) Gecko/20100101 Firefox/38.0'}