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Python implementation of ua-parser

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ua-parser/uap-python

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Official python implementation of theUser Agent StringParser project.

Build Status

CI on the master branchDocumentation Status

Installing

Addua-parser[regex] to your project's dependencies, or run

$ pip install'ua-parser[regex]'

to install in the current environment.

ua-parser supports CPython 3.9 and newer, recent pypy (supporting3.10), and GraalPy 24.

Note

The[regex] feature isstrongly recommended, the Pure python(no feature) issignificantly slower, especially on non-cpythonruntimes, though it is the most memory efficient.

Seebuiltin resolvers for more explanation of the tradeoffsbetween the different options.

Quick Start

Retrieve all data on a user-agent string

>>>fromua_parserimportparse>>>ua_string='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.104 Safari/537.36'>>>parse(ua_string)# doctest: +NORMALIZE_WHITESPACE, +ELLIPSISResult(user_agent=UserAgent(family='Chrome',major='41',minor='0',patch='2272',patch_minor='104'),os=OS(family='Mac OS X',major='10',minor='9',patch='4',patch_minor=None),device=Device(family='Mac',brand='Apple',model='Mac'),string='Mozilla/5.0 (Macintosh;IntelMacOS...

Any datum not found in the user agent string is set toNone:

>>> parse("")Result(user_agent=None, os=None, device=None, string='')

Extract only browser data from user-agent string

>>>fromua_parserimportparse_user_agent>>>ua_string='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.104 Safari/537.36'>>>parse_user_agent(ua_string)UserAgent(family='Chrome',major='41',minor='0',patch='2272',patch_minor='104')

For specific domains, a match failure just returnsNone:

>>> parse_user_agent("")

Extract OS information from user-agent string

>>>fromua_parserimportparse_os>>>ua_string='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.104 Safari/537.36'>>>parse_os(ua_string)OS(family='Mac OS X',major='10',minor='9',patch='4',patch_minor=None)

Extract device information from user-agent string

>>>fromua_parserimportparse_device>>>ua_string='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.104 Safari/537.36'>>>parse_device(ua_string)Device(family='Mac',brand='Apple',model='Mac')

Upgrading

Upgrading from 0.x? Seethe upgrade guide.

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