1 files changed, 127 insertions, 0 deletions
diff --git a/sleekxmpp/stanza/roster.py b/sleekxmpp/stanza/roster.py
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+++ b/sleekxmpp/stanza/roster.py
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+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010  Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.stanza import Iq
+from sleekxmpp.xmlstream import JID
+from sleekxmpp.xmlstream import ET, ElementBase, register_stanza_plugin
+
+
+class Roster(ElementBase):
+
+    """
+    Example roster stanzas:
+        <iq type="set">
+          <query xmlns="jabber:iq:roster">
+            <item jid="user@example.com" subscription="both" name="User">
+              <group>Friends</group>
+            </item>
+          </query>
+        </iq>
+
+    Stanza Inteface:
+        items -- A dictionary of roster entries contained
+                 in the stanza.
+
+    Methods:
+        get_items -- Return a dictionary of roster entries.
+        set_items -- Add <item> elements.
+        del_items -- Remove all <item> elements.
+    """
+
+    namespace = 'jabber:iq:roster'
+    name = 'query'
+    plugin_attrib = 'roster'
+    interfaces = set(('items',))
+
+    def set_items(self, items):
+        """
+        Set the roster entries in the <roster> stanza.
+
+        Uses a dictionary using JIDs as keys, where each entry is itself
+        a dictionary that contains:
+            name         -- An alias or nickname for the JID.
+            subscription -- The subscription type. Can be one of 'to',
+                            'from', 'both', 'none', or 'remove'.
+            groups       -- A list of group names to which the JID
+                            has been assigned.
+
+        Arguments:
+            items -- A dictionary of roster entries.
+        """
+        self.del_items()
+        for jid in items:
+            item = RosterItem()
+            item.values = items[jid]
+            item['jid'] = jid
+            self.append(item)
+        return self
+
+    def get_items(self):
+        """
+        Return a dictionary of roster entries.
+
+        Each item is keyed using its JID, and contains:
+            name         -- An assigned alias or nickname for the JID.
+            subscription -- The subscription type. Can be one of 'to',
+                            'from', 'both', 'none', or 'remove'.
+            groups       -- A list of group names to which the JID has
+                            been assigned.
+        """
+        items = {}
+        for item in self['substanzas']:
+            if isinstance(item, RosterItem):
+                items[item['jid']] = item.values
+                # Remove extra JID reference to keep everything
+                # backward compatible
+                del items[item['jid']]['jid'] 
+        return items
+
+    def del_items(self):
+        """
+        Remove all <item> elements from the roster stanza.
+        """
+        for item in self['substanzas']:
+            if isinstance(item, RosterItem):
+                self.xml.remove(item.xml)
+
+
+class RosterItem(ElementBase):
+    namespace = 'jabber:iq:roster'
+    name = 'item'
+    plugin_attrib = 'item'
+    interfaces = set(('jid', 'name', 'subscription', 'ask',
+                      'approved', 'groups'))
+
+    def get_groups(self):
+        groups = []
+        for group in self.xml.findall('{%s}group' % self.namespace):
+            groups.append(group.text)
+        return groups
+
+    def set_groups(self, values):
+        self.del_groups()
+        for group in values:
+            group_xml = ET.Element('{%s}group' % self.namespace)
+            group_xml.text = group
+            self.xml.append(group_xml)
+
+    def del_groups(self):
+        for group in self.xml.findall('{%s}group' % self.namespace):
+            self.xmp.remove(group)
+
+
+
+
+register_stanza_plugin(Iq, Roster)
+register_stanza_plugin(Roster, RosterItem, iterable=True)
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+Roster.setItems = Roster.set_items
+Roster.getItems = Roster.get_items
+Roster.delItems = Roster.del_items