stubbing in python version of shipping app

src/02-shipping/shipping.py

@@ -0,0 +1,35 @@
+from __future__ import print_function
+
+import sys
+from wsgiref.simple_server import make_server
+
+
+def main(sysargs=sys.argv[:]):
+    app = ShippingApp()
+    port = 18080
+    server = make_server('0.0.0.0', port, app)
+    print('serving {0.__class__.__name__} on port {1}'.format(app, port))
+    server.serve_forever()
+    return 0
+
+
+class ShippingApp(object):
+
+    def __call__(self, environ, start_response):
+        start_response('200 OK', [('content-type', 'text/plain')])
+        return ['oker doke']
+
+    @classmethod
+    def get_shipping_options(cls, zipcode, pounds):
+        base_cost = (float(zipcode) / 10000.0) + (pounds * 5.0)
+        return {
+            "Next Day": int(base_cost * 4),
+            "Two Day Air": int(base_cost * 2),
+            "Saver Ground": int(base_cost)
+        }
+
+
+if __name__ == '__main__':
+    sys.exit(main())
+
+# vim:filetype=python