added examples for the py::object C++ object.

1 files changed, 51 insertions, 0 deletions

diff --git a/weave/examples/object.py b/weave/examples/object.py
new file mode 100644
index 000000000..b69adbbe6
--- /dev/null
+++ b/weave/examples/object.py
@@ -0,0 +1,51 @@
+# h:\wrk\scipy\weave\examples>python object.py
+# initial val: 1
+# inc result: 2
+# after set attr: 5
+
+import weave
+
+#----------------------------------------------------------------------------
+# get/set attribute and call methods example
+#----------------------------------------------------------------------------
+
+class foo:
+    def __init__(self):
+        self.val = 1
+    def inc(self,amount):
+        self.val += 1
+        return self.val
+obj = foo()
+code = """
+       int i = obj.attr("val");
+       std::cout << "initial val: " << i << std::endl;
+       
+       py::tuple args(1);
+       args[0] = 2; 
+       i = obj.mcall("inc",args);
+       std::cout << "inc result: " << i << std::endl;
+       
+       obj.set_attr("val",5);
+       i = obj.attr("val");
+       std::cout << "after set attr: " << i << std::endl;
+       """
+weave.inline(code,['obj'])       
+       
+#----------------------------------------------------------------------------
+# indexing of values.
+#----------------------------------------------------------------------------
+from UserList import UserList
+obj = UserList([1,[1,2],"hello"])
+code = """
+       int i;
+       // find obj length and accesss each of its items
+       std::cout << "UserList items: ";
+       for(i = 0; i < obj.length(); i++)
+           std::cout << obj[i] << " ";
+       std::cout << std::endl;
+       // assign new values to each of its items
+       for(i = 0; i < obj.length(); i++)
+           obj[i] = "goodbye";
+       """
+weave.inline(code,['obj'])       
+print "obj with new values:", obj
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