Add VCard4 (XEP-0292) support

nbxmpp/dispatcher.py

@@ -76,6 +76,7 @@ from nbxmpp.modules.register import Register
 from nbxmpp.modules.http_upload import HTTPUpload
 from nbxmpp.modules.mam import MAM
 from nbxmpp.modules.vcard_temp import VCardTemp
+from nbxmpp.modules.vcard4 import VCard4
 from nbxmpp.modules.misc import unwrap_carbon
 from nbxmpp.modules.misc import unwrap_mam
 from nbxmpp.structs import StanzaTimeoutError
@@ -182,6 +183,7 @@ class StanzaDispatcher(Observable):
         self._modules['HTTPUpload'] = HTTPUpload(self._client)
         self._modules['MAM'] = MAM(self._client)
         self._modules['VCardTemp'] = VCardTemp(self._client)
+        self._modules['VCard4'] = VCard4(self._client)
 
         for instance in self._modules.values():
             for handler in instance.handlers:

nbxmpp/modules/base.py

@@ -31,7 +31,7 @@ class BaseModule:
 
     def __getattr__(self, name):
         if name not in self._depends:
-            raise AttributeError
+            raise AttributeError('Unknown method: %s' % name)
 
         module = self._client.get_module(self._depends[name])
         return getattr(module, name)

nbxmpp/namespaces.py

@@ -154,6 +154,8 @@ class _Namespaces:
     VCARD: str = 'vcard-temp'
     VCARD_UPDATE: str = 'vcard-temp:x:update'
     VCARD_CONVERSION: str = 'urn:xmpp:pep-vcard-conversion:0'
+    VCARD4: str = 'urn:ietf:params:xml:ns:vcard-4.0'
+    VCARD4_PUBSUB: str = 'urn:xmpp:vcard4'
     VERSION: str = 'jabber:iq:version'
     XHTML_IM: str = 'http://jabber.org/protocol/xhtml-im'
     XHTML: str = 'http://www.w3.org/1999/xhtml'