I"m trying to get access to the user agent with Flask, but I either can"t find the documentation on it, or it doesn"t tell me.
from flask import request request.headers.get("User-Agent")
You can also use the
request.user_agent object which contains the following attributes which are created based on the useragent string:
Note: As of werkzeug 2.0, the parsed data of
request.user_agent has been deprecated; if you want to keep getting details you need to use a custom
UserAgent implementation and set it as
user_agent_class on a custom
Request subclass, which is set as
request_class on the
Flask instance (or a subclass).
Here"s an example implementation that uses
from ua_parser import user_agent_parser from werkzeug.user_agent import UserAgent from werkzeug.utils import cached_property class ParsedUserAgent(UserAgent): @cached_property def _details(self): return user_agent_parser.Parse(self.string) @property def platform(self): return self._details["os"]["family"] @property def browser(self): return self._details["user_agent"]["family"] @property def version(self): return ".".join( part for key in ("major", "minor", "patch") if (part := self._details["user_agent"][key]) is not None )
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