SWIG: test callback & output grabbing

client/experimental_client_with_swig/example/runme.py

@@ -0,0 +1,57 @@
+# file: runme.py
+
+# This file illustrates the cross language polymorphism using directors.
+
+import example
+
+
+class PyCallback(example.Callback):
+
+    def __init__(self):
+        example.Callback.__init__(self)
+
+    def run(self):
+        print("PyCallback.run()")
+
+# Create an Caller instance
+
+caller = example.Caller()
+
+# Add a simple C++ callback (caller owns the callback, so
+# we disown it first by clearing the .thisown flag).
+
+print("Adding and calling a normal C++ callback")
+print("----------------------------------------")
+
+callback = example.Callback()
+callback.thisown = 0
+caller.setCallback(callback)
+caller.call()
+caller.delCallback()
+
+print("")
+print("Adding and calling a Python callback")
+print("------------------------------------")
+
+# Add a Python callback (caller owns the callback, so we
+# disown it first by calling __disown__).
+
+caller.setCallback(PyCallback().__disown__())
+caller.call()
+caller.delCallback()
+
+print("")
+print("Adding and calling another Python callback")
+print("------------------------------------------")
+
+# Let's do the same but use the weak reference this time.
+
+callback = PyCallback().__disown__()
+caller.setCallback(callback)
+caller.call()
+caller.delCallback()
+
+# All done.
+
+print("")
+print("python exit")