2005-04-01 Richard Taylor <rjt-gramps@thegrindstone.me.uk>

* src/GrampsDBCallback.py: Don't check callbacks if the dict is empty.


svn: r4293

ChangeLog

@@ -1,3 +1,6 @@
+2005-04-01  Richard Taylor <rjt-gramps@thegrindstone.me.uk>
+	* src/GrampsDBCallback.py: Don't check callbacks if the dict is empty.
+	
 2005-04-04  Don Allingham  <don@gramps-project.org>
 	* src/GrampsDbBase.py: add "request_rebuild" to encapsulate rebuild
 	requests in the database instance

src/GrampsDBCallback.py

@@ -171,6 +171,8 @@ class GrampsDBCallback(object):
                                          % (args[i],repr(arg_types[i])))
                         return 
 
+        if signal_name in self.__callback_map.keys():
+            # Don't bother if there are no callbacks.
             for cb in self.__callback_map[signal_name]:
                 try:
                     if type(cb) == tuple: # call class method
@@ -235,6 +237,26 @@ if __name__ == "__main__":
             t.emit('test-signal',(1,))
     
             
+            assert len(rl) == 1, "No signal emitted"
+            assert rl[0] == 1, "Wrong argument recieved"
+
+        def test_noargs(self):
+
+            class TestSignals(GrampsDBCallback):
+
+                __signals__ = {
+                          'test-noargs' : None
+                         }
+
+            rl = []
+            def fn(r=rl):
+                rl.append(1)
+
+            t = TestSignals()
+            t.connect('test-noargs',fn)
+            t.emit('test-noargs')
+    
+            
             assert len(rl) == 1, "No signal emitted"
             assert rl[0] == 1, "Wrong argument recieved"