First pass at a new XEP-0030 plugin.

Now with dynamic node handling goodness.

Some things are not quite working yet, in particular:
    set_items
    set_info
    set_identities
    set_features

And still need more unit tests to round things out.

sleekxmpp/plugins/xep_0030/static.py

@@ -0,0 +1,127 @@
+"""
+    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.
+"""
+
+import logging
+
+import sleekxmpp
+from sleekxmpp import Iq
+from sleekxmpp.exceptions import XMPPError
+from sleekxmpp.plugins.base import base_plugin
+from sleekxmpp.xmlstream.handler import Callback
+from sleekxmpp.xmlstream.matcher import StanzaPath
+from sleekxmpp.xmlstream import register_stanza_plugin, ElementBase, ET, JID
+from sleekxmpp.plugins.xep_0030 import DiscoInfo, DiscoItems
+
+
+log = logging.getLogger(__name__)
+
+
+class StaticDisco(object):
+
+    """
+    While components will likely require fully dynamic handling
+    of service discovery information, most clients and simple bots
+    only need to manage a few disco nodes that will remain mostly
+    static.
+
+    StaticDisco provides a set of node handlers that will store
+    static sets of disco info and items in memory.
+    """
+
+    def __init__(self, xmpp):
+        """
+        Arguments:
+            xmpp -- The main SleekXMPP object.
+        """
+        self.nodes = {}
+        self.xmpp = xmpp
+
+    def add_node(self, jid=None, node=None):
+        if jid is None:
+            jid = self.xmpp.boundjid.full
+        if node is None:
+            node = ''
+        if (jid, node) not in self.nodes:
+            self.nodes[(jid, node)] = {'info': DiscoInfo(),
+                                       'items': DiscoItems()}
+            self.nodes[(jid, node)]['info']['node'] = node
+            self.nodes[(jid, node)]['items']['node'] = node
+
+    def get_info(self, jid, node, data=None):
+        if (jid, node) not in self.nodes:
+            if not node:
+                return DiscoInfo()
+            else:
+                raise XMPPError(condition='item-not-found')
+        else:
+            return self.nodes[(jid, node)]['info']
+
+    def del_info(self, jid, node, data=None):
+        if (jid, node) in self.nodes:
+            self.nodes[(jid, node)]['info'] = DiscoInfo()
+
+    def get_items(self, jid, node, data=None):
+        if (jid, node) not in self.nodes:
+            if not node:
+                return DiscoInfo()
+            else:
+                raise XMPPError(condition='item-not-found')
+        else:
+            return self.nodes[(jid, node)]['items']
+
+    def set_items(self, jid, node, data=None):
+        pass
+
+    def del_items(self, jid, node, data=None):
+        if (jid, node) in self.nodes:
+            self.nodes[(jid, node)]['items'] = DiscoItems()
+
+    def add_identity(self, jid, node, data={}):
+        self.add_node(jid, node)
+        self.nodes[(jid, node)]['info'].add_identity(
+                data.get('category', ''),
+                data.get('itype', ''),
+                data.get('name', None),
+                data.get('lang', None))
+
+    def set_identities(self, jid, node, data=None):
+        pass
+
+    def del_identity(self, jid, node, data=None):
+        if (jid, node) not in self.nodes:
+            return
+        self.nodes[(jid, node)]['info'].del_identity(
+                data.get('category', ''),
+                data.get('itype', ''),
+                data.get('name', None),
+                data.get('lang', None))
+
+
+    def add_feature(self, jid, node, data=None):
+        self.add_node(jid, node)
+        self.nodes[(jid, node)]['info'].add_feature(data.get('feature', ''))
+
+    def set_features(self, jid, node, data=None):
+        pass
+
+    def del_feature(self, jid, node, data=None):
+        if (jid, node) not in self.nodes:
+            return
+        self.nodes[(jid, node)]['info'].del_feature(data.get('feature', ''))
+
+    def add_item(self, jid, node, data=None):
+        self.add_node(jid, node)
+        self.nodes[(jid, node)]['items'].add_item(
+                data.get('ijid', ''),
+                node=data.get('inode', None),
+                name=data.get('name', None))
+
+    def del_item(self, jid, node, data=None):
+        if (jid, node) in self.nodes:
+            self.nodes[(jid, node)]['items'].del_item(**data)
+