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from collections import namedtuple
from ua_parser import user_agent_parser
from .compat import string_types
MOBILE_DEVICE_FAMILIES = (
'iPhone',
'iPod',
'Generic Smartphone',
'Generic Feature Phone',
'PlayStation Vita',
'iOS-Device'
)
PC_OS_FAMILIES = (
'Windows 95',
'Windows 98',
'Solaris',
)
MOBILE_OS_FAMILIES = (
'Windows Phone',
'Windows Phone OS', # Earlier versions of ua-parser returns Windows Phone OS
'Symbian OS',
'Bada',
'Windows CE',
'Windows Mobile',
'Maemo',
)
MOBILE_BROWSER_FAMILIES = (
'IE Mobile',
'Opera Mobile',
'Opera Mini',
'Chrome Mobile',
'Chrome Mobile WebView',
'Chrome Mobile iOS',
)
TABLET_DEVICE_FAMILIES = (
'iPad',
'BlackBerry Playbook',
'Blackberry Playbook', # Earlier versions of ua-parser returns "Blackberry" instead of "BlackBerry"
'Kindle',
'Kindle Fire',
'Kindle Fire HD',
'Galaxy Tab',
'Xoom',
'Dell Streak',
)
TOUCH_CAPABLE_OS_FAMILIES = (
'iOS',
'Android',
'Windows Phone',
'Windows CE',
'Windows Mobile',
'Firefox OS',
'MeeGo',
)
TOUCH_CAPABLE_DEVICE_FAMILIES = (
'BlackBerry Playbook',
'Blackberry Playbook',
'Kindle Fire',
)
EMAIL_PROGRAM_FAMILIES = set((
'Outlook',
'Windows Live Mail',
'AirMail',
'Apple Mail',
'Outlook',
'Thunderbird',
'Lightning',
'ThunderBrowse',
'Windows Live Mail',
'The Bat!',
'Lotus Notes',
'IBM Notes',
'Barca',
'MailBar',
'kmail2',
'YahooMobileMail'
))
def verify_attribute(attribute):
if isinstance(attribute, string_types) and attribute.isdigit():
return int(attribute)
return attribute
def parse_version(major=None, minor=None, patch=None, patch_minor=None):
# Returns version number tuple, attributes will be integer if they're numbers
major = verify_attribute(major)
minor = verify_attribute(minor)
patch = verify_attribute(patch)
patch_minor = verify_attribute(patch_minor)
return tuple(
filter(lambda x: x is not None, (major, minor, patch, patch_minor))
)
Browser = namedtuple('Browser', ['family', 'version', 'version_string'])
def parse_browser(family, major=None, minor=None, patch=None, patch_minor=None):
# Returns a browser object
version = parse_version(major, minor, patch)
version_string = '.'.join([str(v) for v in version])
return Browser(family, version, version_string)
OperatingSystem = namedtuple('OperatingSystem', ['family', 'version', 'version_string'])
def parse_operating_system(family, major=None, minor=None, patch=None, patch_minor=None):
version = parse_version(major, minor, patch)
version_string = '.'.join([str(v) for v in version])
return OperatingSystem(family, version, version_string)
Device = namedtuple('Device', ['family', 'brand', 'model'])
def parse_device(family, brand, model):
return Device(family, brand, model)
class UserAgent(object):
def __init__(self, user_agent_string):
ua_dict = user_agent_parser.Parse(user_agent_string)
self.ua_string = user_agent_string
self.os = parse_operating_system(**ua_dict['os'])
self.browser = parse_browser(**ua_dict['user_agent'])
self.device = parse_device(**ua_dict['device'])
def __str__(self):
return "{device} / {os} / {browser}".format(
device=self.get_device(),
os=self.get_os(),
browser=self.get_browser()
)
def __unicode__(self):
return unicode(str(self))
def _is_android_tablet(self):
# Newer Android tablets don't have "Mobile" in their user agent string,
# older ones like Galaxy Tab still have "Mobile" though they're not
if ('Mobile Safari' not in self.ua_string and
self.browser.family != "Firefox Mobile"):
return True
return False
def _is_blackberry_touch_capable_device(self):
# A helper to determine whether a BB phone has touch capabilities
# Blackberry Bold Touch series begins with 99XX
if 'Blackberry 99' in self.device.family:
return True
if 'Blackberry 95' in self.device.family: # BB Storm devices
return True
return False
def get_device(self):
return self.is_pc and "PC" or self.device.family
def get_os(self):
return ("%s %s" % (self.os.family, self.os.version_string)).strip()
def get_browser(self):
return ("%s %s" % (self.browser.family, self.browser.version_string)).strip()
@property
def is_tablet(self):
if self.device.family in TABLET_DEVICE_FAMILIES:
return True
if (self.os.family == 'Android' and self._is_android_tablet()):
return True
if self.os.family == 'Windows' and self.os.version_string.startswith('RT'):
return True
if self.os.family == 'Firefox OS' and 'Mobile' not in self.browser.family:
return True
return False
@property
def is_mobile(self):
# First check for mobile device and mobile browser families
if self.device.family in MOBILE_DEVICE_FAMILIES:
return True
if self.browser.family in MOBILE_BROWSER_FAMILIES:
return True
# Device is considered Mobile OS is Android and not tablet
# This is not fool proof but would have to suffice for now
if ((self.os.family == 'Android' or self.os.family == 'Firefox OS')
and not self.is_tablet):
return True
if self.os.family == 'BlackBerry OS' and self.device.family != 'Blackberry Playbook':
return True
if self.os.family in MOBILE_OS_FAMILIES:
return True
# TODO: remove after https://github.com/tobie/ua-parser/issues/126 is closed
if 'J2ME' in self.ua_string or 'MIDP' in self.ua_string:
return True
# This is here mainly to detect Google's Mobile Spider
if 'iPhone;' in self.ua_string:
return True
if 'Googlebot-Mobile' in self.ua_string:
return True
# Mobile Spiders should be identified as mobile
if self.device.family == 'Spider' and 'Mobile' in self.browser.family:
return True
# Nokia mobile
if 'NokiaBrowser' in self.ua_string and 'Mobile' in self.ua_string:
return True
return False
@property
def is_touch_capable(self):
# TODO: detect touch capable Nokia devices
if self.os.family in TOUCH_CAPABLE_OS_FAMILIES:
return True
if self.device.family in TOUCH_CAPABLE_DEVICE_FAMILIES:
return True
if self.os.family == 'Windows':
if self.os.version_string.startswith(('RT', 'CE')):
return True
if self.os.version_string.startswith('8') and 'Touch' in self.ua_string:
return True
if 'BlackBerry' in self.os.family and self._is_blackberry_touch_capable_device():
return True
return False
@property
def is_pc(self):
# Returns True for "PC" devices (Windows, Mac and Linux)
if 'Windows NT' in self.ua_string or self.os.family in PC_OS_FAMILIES or \
self.os.family == 'Windows' and self.os.version_string == 'ME':
return True
# TODO: remove after https://github.com/tobie/ua-parser/issues/127 is closed
if self.os.family == 'Mac OS X' and 'Silk' not in self.ua_string:
return True
# Maemo has 'Linux' and 'X11' in UA, but it is not for PC
if 'Maemo' in self.ua_string:
return False
if 'Chrome OS' in self.os.family:
return True
if 'Linux' in self.ua_string and 'X11' in self.ua_string:
return True
return False
@property
def is_bot(self):
return True if self.device.family == 'Spider' else False
@property
def is_email_client(self):
if self.browser.family in EMAIL_PROGRAM_FAMILIES:
return True
return False
def parse(user_agent_string):
return UserAgent(user_agent_string)
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