[svn r62614] implementing __call__.exclude_other_results() to allow plugin hooks to

exclude results from other plugins.

--HG--
branch : trunk

py/_com.py

@@ -52,6 +52,9 @@ class MultiCall:
                 res = self.currentmethod(self, *self.args, **self.kwargs)
             else:
                 res = self.currentmethod(*self.args, **self.kwargs)
+            if hasattr(self, '_ex1'):
+                self.results = [res]
+                break
             if res is not None:
                 if res is self.NONEASRESULT:
                     res = None
@@ -63,6 +66,9 @@ class MultiCall:
         if self.results:
             return self.results[-1] 
 
+    def exclude_other_results(self):
+        self._ex1 = True
+
 class PyPlugins:
     """
         Manage Plugins: Load plugins and manage calls to plugins. 

py/misc/testing/test_com.py

@@ -50,6 +50,22 @@ class TestMultiCall:
         res = call.execute(firstresult=True)
         assert res == 2
 
+    def test_call_exclude_other_results(self):
+        def m(__call__):
+            __call__.exclude_other_results()
+            return 10
+
+        def n():
+            return 1
+
+        call = MultiCall([n, n, m, n])
+        res = call.execute()
+        assert res == [10]
+        # doesn't really make sense for firstresult-mode - because
+        # we might not have had a chance to run at all. 
+        #res = call.execute(firstresult=True)
+        #assert res == 10
+                
 
 class TestPyPlugins:
     def test_MultiCall(self):