41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
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# -*- coding: utf-8 -*-
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import re
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from django.utils.deprecation import MiddlewareMixin
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class ConstExtendIntField(int):
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def __new__(cls, flag, version=''):
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obj = int.__new__(cls, flag)
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obj.version = version
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return obj
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class UserAgentDetectionMiddleware(MiddlewareMixin):
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def process_request(self, request):
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ua = request.META.get('HTTP_USER_AGENT', '').lower()
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# ####### Device、OS #######
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# Windows
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request.Windows = 'windows nt' in ua
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# Linux
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request.Linux = 'linux x86_64' in ua
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# iMac、iPhone、iPad、iPod
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request.iMac, request.iPhone, request.iPad, request.iPod = 'macintosh' in ua, 'iphone' in ua, 'ipad' in ua, 'ipod' in ua
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# PC
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request.PC = request.Windows or request.Linux or request.iMac
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# iOS
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request.iOS = request.iPhone or request.iPad or request.iMac or request.iPod
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# Android and Version
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adr = re.findall(r'android ([\d.]+)', ua)
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request.Android = ConstExtendIntField(True, adr[0]) if adr else ConstExtendIntField('android' in ua, '')
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# ####### APP #######
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# Weixin/Wechat and Version
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wx = re.findall(r'micromessenger[\s/]([\d.]+)', ua)
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request.weixin = request.wechat = ConstExtendIntField(True, wx[0]) if wx else ConstExtendIntField(False, '')
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return None
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