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authorLance Stout <lancestout@gmail.com>2010-12-13 14:36:53 -0500
committerLance Stout <lancestout@gmail.com>2010-12-13 14:36:53 -0500
commitc16913c99929a6a5a57611ec8a1757e3e82d4a45 (patch)
treed92b98975b3dc012c734997e6fddc0ac9e2b82d8 /sleekxmpp/plugins/xep_0030/stanza/items.py
parent12b61365adbbc910841475ea3cf8204f26ccd9c7 (diff)
parentf4451fe6b72f7cfb9680ead7a608d5ca1bc7e753 (diff)
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Merge branch 'develop' into roster
Conflicts: sleekxmpp/basexmpp.py
Diffstat (limited to 'sleekxmpp/plugins/xep_0030/stanza/items.py')
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diff --git a/sleekxmpp/plugins/xep_0030/stanza/items.py b/sleekxmpp/plugins/xep_0030/stanza/items.py
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+"""
+ SleekXMPP: The Sleek XMPP Library
+ Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
+ This file is part of SleekXMPP.
+
+ See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.xmlstream import ElementBase, ET
+
+
+class DiscoItems(ElementBase):
+
+ """
+
+
+ Example disco#items stanzas:
+ <iq type="get">
+ <query xmlns="http://jabber.org/protocol/disco#items" />
+ </iq>
+
+ <iq type="result">
+ <query xmlns="http://jabber.org/protocol/disco#items">
+ <item jid="chat.example.com"
+ node="xmppdev"
+ name="XMPP Dev" />
+ <item jid="chat.example.com"
+ node="sleekdev"
+ name="SleekXMPP Dev" />
+ </query>
+ </iq>
+
+ Stanza Interface:
+ node -- The name of the node to either
+ query or return info from.
+ items -- A list of 3-tuples, where each tuple contains
+ the JID, node, and name of an item.
+
+ Methods:
+ add_item -- Add a single new item.
+ del_item -- Remove a single item.
+ get_items -- Return all items.
+ set_items -- Set or replace all items.
+ del_items -- Remove all items.
+ """
+
+ name = 'query'
+ namespace = 'http://jabber.org/protocol/disco#items'
+ plugin_attrib = 'disco_items'
+ interfaces = set(('node', 'items'))
+
+ # Cache items
+ _items = set()
+
+ def setup(self, xml=None):
+ """
+ Populate the stanza object using an optional XML object.
+
+ Overrides ElementBase.setup
+
+ Caches item information.
+
+ Arguments:
+ xml -- Use an existing XML object for the stanza's values.
+ """
+ ElementBase.setup(self, xml)
+ self._items = set([item[0:2] for item in self['items']])
+
+ def add_item(self, jid, node=None, name=None):
+ """
+ Add a new item element. Each item is required to have a
+ JID, but may also specify a node value to reference
+ non-addressable entitities.
+
+ Arguments:
+ jid -- The JID for the item.
+ node -- Optional additional information to reference
+ non-addressable items.
+ name -- Optional human readable name for the item.
+ """
+ if (jid, node) not in self._items:
+ self._items.add((jid, node))
+ item_xml = ET.Element('{%s}item' % self.namespace)
+ item_xml.attrib['jid'] = jid
+ if name:
+ item_xml.attrib['name'] = name
+ if node:
+ item_xml.attrib['node'] = node
+ self.xml.append(item_xml)
+ return True
+ return False
+
+ def del_item(self, jid, node=None):
+ """
+ Remove a single item.
+
+ Arguments:
+ jid -- JID of the item to remove.
+ node -- Optional extra identifying information.
+ """
+ if (jid, node) in self._items:
+ for item_xml in self.findall('{%s}item' % self.namespace):
+ item = (item_xml.attrib['jid'],
+ item_xml.attrib.get('node', None))
+ if item == (jid, node):
+ self.xml.remove(item_xml)
+ return True
+ return False
+
+ def get_items(self):
+ """Return all items."""
+ items = set()
+ for item_xml in self.findall('{%s}item' % self.namespace):
+ item = (item_xml.attrib['jid'],
+ item_xml.attrib.get('node'),
+ item_xml.attrib.get('name'))
+ items.add(item)
+ return items
+
+ def set_items(self, items):
+ """
+ Set or replace all items. The given items must be in a
+ list or set where each item is a tuple of the form:
+ (jid, node, name)
+
+ Arguments:
+ items -- A series of items in tuple format.
+ """
+ self.del_items()
+ for item in items:
+ jid, node, name = item
+ self.add_item(jid, node, name)
+
+ def del_items(self):
+ """Remove all items."""
+ self._items = set()
+ for item_xml in self.findall('{%s}item' % self.namespace):
+ self.xml.remove(item_xml)