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127 lines
4.2 KiB
Python
127 lines
4.2 KiB
Python
"""
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SleekXMPP: The Sleek XMPP Library
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Copyright (C) 2010 Nathanael C. Fritz
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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from sleekxmpp.stanza import Iq
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from sleekxmpp.xmlstream import JID
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from sleekxmpp.xmlstream import ET, ElementBase, register_stanza_plugin
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class Roster(ElementBase):
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"""
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Example roster stanzas:
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<iq type="set">
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<query xmlns="jabber:iq:roster">
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<item jid="user@example.com" subscription="both" name="User">
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<group>Friends</group>
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</item>
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</query>
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</iq>
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Stanza Inteface:
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items -- A dictionary of roster entries contained
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in the stanza.
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Methods:
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get_items -- Return a dictionary of roster entries.
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set_items -- Add <item> elements.
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del_items -- Remove all <item> elements.
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"""
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namespace = 'jabber:iq:roster'
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name = 'query'
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plugin_attrib = 'roster'
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interfaces = set(('items',))
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def setup(self, xml=None):
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"""
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Populate the stanza object using an optional XML object.
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Overrides StanzaBase.setup.
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Arguments:
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xml -- Use an existing XML object for the stanza's values.
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"""
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# To comply with PEP8, method names now use underscores.
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# Deprecated method names are re-mapped for backwards compatibility.
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self.setItems = self.set_items
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self.getItems = self.get_items
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self.delItems = self.del_items
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return ElementBase.setup(self, xml)
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def set_items(self, items):
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"""
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Set the roster entries in the <roster> stanza.
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Uses a dictionary using JIDs as keys, where each entry is itself
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a dictionary that contains:
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name -- An alias or nickname for the JID.
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subscription -- The subscription type. Can be one of 'to',
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'from', 'both', 'none', or 'remove'.
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groups -- A list of group names to which the JID
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has been assigned.
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Arguments:
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items -- A dictionary of roster entries.
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"""
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self.del_items()
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for jid in items:
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ijid = str(jid)
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item = ET.Element('{jabber:iq:roster}item', {'jid': ijid})
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if 'subscription' in items[jid]:
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item.attrib['subscription'] = items[jid]['subscription']
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if 'name' in items[jid]:
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name = items[jid]['name']
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if name is not None:
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item.attrib['name'] = name
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if 'groups' in items[jid]:
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for group in items[jid]['groups']:
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groupxml = ET.Element('{jabber:iq:roster}group')
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groupxml.text = group
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item.append(groupxml)
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self.xml.append(item)
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return self
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def get_items(self):
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"""
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Return a dictionary of roster entries.
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Each item is keyed using its JID, and contains:
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name -- An assigned alias or nickname for the JID.
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subscription -- The subscription type. Can be one of 'to',
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'from', 'both', 'none', or 'remove'.
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groups -- A list of group names to which the JID has
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been assigned.
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"""
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items = {}
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itemsxml = self.xml.findall('{jabber:iq:roster}item')
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if itemsxml is not None:
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for itemxml in itemsxml:
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item = {}
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item['name'] = itemxml.get('name', '')
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item['subscription'] = itemxml.get('subscription', '')
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item['ask'] = itemxml.get('ask', '')
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item['approved'] = itemxml.get('approved', '')
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item['groups'] = []
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groupsxml = itemxml.findall('{jabber:iq:roster}group')
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if groupsxml is not None:
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for groupxml in groupsxml:
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item['groups'].append(groupxml.text)
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items[itemxml.get('jid')] = item
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return items
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def del_items(self):
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"""
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Remove all <item> elements from the roster stanza.
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"""
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for child in self.xml.getchildren():
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self.xml.remove(child)
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register_stanza_plugin(Iq, Roster)
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