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annotate frontends/src/tools/jid.py @ 2532:772447ec070f

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jp: pubsub options refactoring: There is now only "use_pubsub", and specification are set using "pubsub_flags" argument when instantiating CommandBase. Options are more Python Zen compliant by using explicit arguments for item, draft, url instead of trying to guess with magic keyword and type detection. Pubsub node and item are now always using respecively "-n" and "-i" even when required, this way shell history can be used to change command more easily, and it's globally less confusing for user. if --pubsub-url is used, elements can be overwritten with individual option (e.g. change item id with --item). New "use_draft" argument in CommandBase, to re-use current draft or open a file path as draft. Item can now be specified when using a draft. If it already exists, its content will be added to current draft (with a separator), to avoid loosing data. common.BaseEdit.getItemPath could be simplified thanks to those changes. Pubsub URI handling has been moved to base.py.
author Goffi <goffi@goffi.org>
date Wed, 21 Mar 2018 19:13:22 +0100
parents 0046283a285d
children
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2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2018 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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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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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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parents: 1311
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121
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122 @param entity (JID): original JID
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parents: 1311
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123 @param resource (unicode): new resource
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124 @return: a new JID instance
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125 """
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parents: 1311
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126 return JID(u"%s/%s" % (entity.bare, resource))