attempt to generate the pnut matrix user on event

appservice.py

@@ -390,6 +390,17 @@ def create_room(channel, invite):
     logger.debug(r.status_code)
     logger.debug(r)
 
+def new_matrix_user(username):
+    matrix_api = MatrixHttpApi(app.config['MATRIX_HOST'],
+        token=app.config['MATRIX_AS_TOKEN'])
+    data = {'type': 'm.login.application_service','user': app.config['MATRIX_PNUT_PREFIX'] + username}
+    try:
+        matrix_api.register(content=data)
+
+    except Exception:
+        errmsg = "- new_matrix_user user already exists -"
+        logger.warning(errmsg)
+
 def on_admin_event(event):
     matrix_api = MatrixHttpApi(app.config['MATRIX_HOST'], 
         token=app.config['MATRIX_AS_TOKEN'])
@@ -574,6 +585,7 @@ def on_direct_invite(event):
             # TODO: need to handle if the user isn't registered
             pnutpy.api.add_authorization_token(user.pnut_user_token)
             channel, meta = pnutpy.api.existing_pm(ids=pnut_user)
+            new_matrix_user(pnut_user)
 
             dm = DirectRooms(room_id=event['room_id'],
                     bridge_user=bridge_user, pnut_chan=channel.id)