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annotate frontends/src/tools/jid.py @ 1519:fbe86b5d156f

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core (memory, params): minor docstrings updates
author Goffi <goffi@goffi.org>
date Fri, 25 Sep 2015 19:19:12 +0200
parents 069ad98b360d
children d17772b0fe22
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jérôme Poisson (goffi@goffi.org)
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20
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21 # hack to use this module with pyjamas
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22 try:
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23 unicode('') # XXX: unicode doesn't exist in pyjamas
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24
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25 # normal version
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26 class BaseJID(unicode):
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27 def __new__(cls, jid_str):
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28 self = unicode.__new__(cls, cls._normalize(jid_str))
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29 return self
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30
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31 def __init__(self, jid_str):
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32 pass
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33
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34 def _parse(self):
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35 """Find node domain and resource"""
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36 node_end = self.find('@')
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37 if node_end < 0:
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38 node_end = 0
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39 domain_end = self.find('/')
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40 if domain_end == 0:
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41 raise ValueError("a jid can't start with '/'")
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42 if domain_end == -1:
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43 domain_end = len(self)
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44 self.node = self[:node_end] or None
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45 self.domain = self[(node_end + 1) if node_end else 0:domain_end]
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46 self.resource = self[domain_end + 1:] or None
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47
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48 except (TypeError, AttributeError): # Error raised is not the same depending on pyjsbuild options
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50 # pyjamas version
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51 class BaseJID(object):
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52 def __init__(self, jid_str):
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53 self.__internal_str = JID._normalize(jid_str)
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54
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55 def __str__(self):
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56 return self.__internal_str
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57
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58 def __getattr__(self, name):
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59 return getattr(self.__internal_str, name)
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60
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61 def __eq__(self, other):
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62 if not isinstance(other, JID):
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63 return False
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64 return (self.node == other.node
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65 and self.domain == other.domain
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66 and self.resource == other.resource)
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67
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68 def __hash__(self):
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69 return hash('JID<{}>'.format(self.__internal_str))
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70
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71 def find(self, *args):
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72 return self.__internal_str.find(*args)
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73
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74 def _parse(self):
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75 """Find node domain and resource"""
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76 node_end = self.__internal_str.find('@')
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77 if node_end < 0:
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78 node_end = 0
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79 domain_end = self.__internal_str.find('/')
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80 if domain_end == 0:
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81 raise ValueError("a jid can't start with '/'")
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82 if domain_end == -1:
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83 domain_end = len(self.__internal_str)
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84 self.node = self.__internal_str[:node_end] or None
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85 self.domain = self.__internal_str[(node_end + 1) if node_end else 0:domain_end]
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86 self.resource = self.__internal_str[domain_end + 1:] or None
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87
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88
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89 class JID(BaseJID):
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90 """This class help manage JID (Node@Domaine/Resource)"""
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91
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92 def __init__(self, jid_str):
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93 super(JID, self).__init__(jid_str)
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94 self._parse()
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95
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96 @staticmethod
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97 def _normalize(jid_str):
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98 """Naive normalization before instantiating and parsing the JID"""
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99 if not jid_str:
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100 return jid_str
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101 tokens = jid_str.split('/')
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102 tokens[0] = tokens[0].lower() # force node and domain to lower-case
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103 return '/'.join(tokens)
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104
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105 @property
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106 def bare(self):
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107 if not self.node:
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108 return JID(self.domain)
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109 return JID(u"{}@{}".format(self.node, self.domain))
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110
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111 def is_valid(self):
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112 """
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113 @return: True if the JID is XMPP compliant
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114 """
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115 # TODO: implement real check, according to the RFC http://tools.ietf.org/html/rfc6122
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116 return self.domain != ""
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117
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118
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119 def newResource(entity, resource):
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120 """Build a new JID from the given entity and resource.
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121
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122 @param entity (JID): original JID
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123 @param resource (unicode): new resource
3dae6964c071 quick_frontends, primitivus: move the chat states logic to quick_frontend
souliane <souliane@mailoo.org>
parents: 1311
diff changeset
124 @return: a new JID instance
3dae6964c071 quick_frontends, primitivus: move the chat states logic to quick_frontend
souliane <souliane@mailoo.org>
parents: 1311
diff changeset
125 """
3dae6964c071 quick_frontends, primitivus: move the chat states logic to quick_frontend
souliane <souliane@mailoo.org>
parents: 1311
diff changeset
126 return JID(u"%s/%s" % (entity.bare, resource))