annotate MoinMoin/support/werkzeug/useragents.py @ 4689:bd3f5ccf6fb6

updated werkzeug
author Thomas Waldmann <tw AT waldmann-edv DOT de>
date Sun, 19 Apr 2009 00:46:15 +0200
parents 246ba4eecab2
children 8de563c487be
rev   line source
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1 # -*- coding: utf-8 -*-
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2 """
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3 werkzeug.useragents
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4 ~~~~~~~~~~~~~~~~~~~
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5
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6 This module provides a helper to inspect user agent strings. This module
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7 is far from complete but should work for most of the currently available
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8 browsers.
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9
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10
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11 :copyright: (c) 2009 by the Werkzeug Team, see AUTHORS for more details.
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12 :license: BSD, see LICENSE for more details.
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13 """
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14 import re
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15
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16
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17 class UserAgentParser(object):
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18 """A simple user agent parser. Used by the `UserAgent`."""
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19
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20 platforms = (
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21 ('iphone', 'iphone'),
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22 (r'darwin|mac|os\s*x', 'macos'),
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23 ('win', 'windows'),
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24 (r'android', 'android'),
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25 (r'x11|lin(\b|ux)?', 'linux'),
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26 ('(sun|i86)os', 'solaris'),
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27 (r'nintendo\s+wii', 'wii'),
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28 ('irix', 'irix'),
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29 ('hp-?ux', 'hpux'),
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30 ('aix', 'aix'),
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31 ('sco|unix_sv', 'sco'),
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32 ('bsd', 'bsd'),
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33 ('amiga', 'amiga')
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34 )
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35 browsers = (
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36 ('googlebot', 'google'),
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37 ('msnbot', 'msn'),
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38 ('yahoo', 'yahoo'),
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39 ('ask jeeves', 'ask'),
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40 (r'aol|america\s+online\s+browser', 'aol'),
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41 ('opera', 'opera'),
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42 ('chrome', 'chrome'),
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43 ('firefox|firebird|phoenix|iceweasel', 'firefox'),
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44 ('galeon', 'galeon'),
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45 ('safari', 'safari'),
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46 ('webkit', 'webkit'),
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47 ('camino', 'camino'),
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48 ('konqueror', 'konqueror'),
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49 ('k-meleon', 'kmeleon'),
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50 ('netscape', 'netscape'),
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51 (r'msie|microsoft\s+internet\s+explorer', 'msie'),
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52 ('lynx', 'lynx'),
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53 ('links', 'links'),
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54 ('seamonkey|mozilla', 'seamonkey')
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55 )
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56
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57 _browser_version_re = r'(?:%s)[/\sa-z(]*(\d+[.\da-z]+)?(?i)'
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58 _language_re = re.compile(
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59 r'(?:;\s*|\s+)(\b\w{2}\b(?:-\b\w{2}\b)?)\s*;|'
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60 r'(?:\(|\[|;)\s*(\b\w{2}\b(?:-\b\w{2}\b)?)\s*(?:\]|\)|;)'
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61 )
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62
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63 def __init__(self):
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64 self.platforms = [(b, re.compile(a, re.I)) for a, b in self.platforms]
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65 self.browsers = [(b, re.compile(self._browser_version_re % a))
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66 for a, b in self.browsers]
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67
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68 def __call__(self, user_agent):
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69 for platform, regex in self.platforms:
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70 match = regex.search(user_agent)
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71 if match is not None:
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72 break
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73 else:
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74 platform = None
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75 for browser, regex in self.browsers:
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76 match = regex.search(user_agent)
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77 if match is not None:
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78 version = match.group(1)
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79 break
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80 else:
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81 browser = version = None
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82 match = self._language_re.search(user_agent)
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83 if match is not None:
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84 language = match.group(1) or match.group(2)
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85 else:
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86 language = None
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87 return platform, browser, version, language
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88
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89
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90 class UserAgent(object):
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91 """Represents a user agent. Pass it a WSGI environment or a user agent
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92 string and you can inspect some of the details from the user agent
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93 string via the attributes. The following attributes exist:
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94
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95 .. attribute:: string
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96
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97 the raw user agent string
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98
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99 .. attribute:: platform
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100
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101 the browser platform. The following platforms are currently
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102 recognized:
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103
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104 - `aix`
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105 - `amiga`
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106 - `android`
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107 - `bsd`
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108 - `hpux`
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109 - `iphone`
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110 - `irix`
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111 - `linux`
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112 - `macos`
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113 - `sco`
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114 - `solaris`
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115 - `wii`
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116 - `windows`
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117
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118 .. attribute:: browser
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119
4689
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120 the name of the browser. The following browsers are currently
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121 recognized:
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122
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123 - `aol` *
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124 - `ask` *
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125 - `camino`
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126 - `chrome`
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127 - `firefox`
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128 - `galeon`
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129 - `google` *
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130 - `kmeleon`
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131 - `konqueror`
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132 - `links`
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133 - `lynx`
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134 - `msie`
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135 - `msn`
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136 - `netscape`
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137 - `opera`
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138 - `safari`
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139 - `seamonkey`
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140 - `webkit`
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141 - `yahoo` *
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142
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143 (Browsers maked with a star (``*``) are crawlers.)
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144
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145 .. attribute:: version
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146
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147 the version of the browser
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148
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149 .. attribute:: language
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150
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151 the language of the browser
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152 """
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153 _parser = UserAgentParser()
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154
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155 def __init__(self, environ_or_string):
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156 if isinstance(environ_or_string, dict):
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157 environ_or_string = environ_or_string.get('HTTP_USER_AGENT', '')
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158 self.string = environ_or_string
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159 self.platform, self.browser, self.version, self.language = \
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160 self._parser(environ_or_string)
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161
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162 def to_header(self):
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163 return self.string
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164
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165 def __str__(self):
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166 return self.string
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167
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168 def __nonzero__(self):
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169 return bool(self.browser)
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170
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171 def __repr__(self):
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172 return '<%s %r/%s>' % (
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173 self.__class__.__name__,
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174 self.browser,
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175 self.version
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176 )
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177
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178
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179 # conceptionally this belongs in this module but because we want to lazily
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180 # load the user agent module (which happens in wrappers.py) we have to import
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181 # it afterwards. The class itself has the module set to this module so
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182 # pickle, inspect and similar modules treat the object as if it was really
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183 # implemented here.
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184 from werkzeug.wrappers import UserAgentMixin