Add the sleekxmpp library (will be added as a submodule later)

1 files changed, 125 insertions, 0 deletions

diff --git a/sleekxmpp/stanza/roster.py b/sleekxmpp/stanza/roster.py
new file mode 100644
index 0000000..8f154a2
--- /dev/null
+++ b/sleekxmpp/stanza/roster.py
@@ -0,0 +1,125 @@
+"""
+    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 setup(self, xml=None):
+        """
+        Populate the stanza object using an optional XML object.
+
+        Overrides StanzaBase.setup.
+
+        Arguments:
+            xml -- Use an existing XML object for the stanza's values.
+        """
+        # To comply with PEP8, method names now use underscores.
+        # Deprecated method names are re-mapped for backwards compatibility.
+        self.setItems = self.set_items
+        self.getItems = self.get_items
+        self.delItems = self.del_items
+
+        return ElementBase.setup(self, xml)
+
+    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:
+            ijid = str(jid)
+            item = ET.Element('{jabber:iq:roster}item', {'jid': ijid})
+            if 'subscription' in items[jid]:
+                item.attrib['subscription'] = items[jid]['subscription']
+            if 'name' in items[jid]:
+                name = items[jid]['name']
+                if name is not None:
+                    item.attrib['name'] = name
+            if 'groups' in items[jid]:
+                for group in items[jid]['groups']:
+                    groupxml = ET.Element('{jabber:iq:roster}group')
+                    groupxml.text = group
+                    item.append(groupxml)
+            self.xml.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 = {}
+        itemsxml = self.xml.findall('{jabber:iq:roster}item')
+        if itemsxml is not None:
+            for itemxml in itemsxml:
+                item = {}
+                item['name'] = itemxml.get('name', '')
+                item['subscription'] = itemxml.get('subscription', '')
+                item['groups'] = []
+                groupsxml = itemxml.findall('{jabber:iq:roster}group')
+                if groupsxml is not None:
+                    for groupxml in groupsxml:
+                        item['groups'].append(groupxml.text)
+                items[itemxml.get('jid')] = item
+        return items
+
+    def del_items(self):
+        """
+        Remove all <item> elements from the roster stanza.
+        """
+        for child in self.xml.getchildren():
+            self.xml.remove(child)
+
+
+register_stanza_plugin(Iq, Roster)