Experiment with using plpy from the package

TODO.md

@@ -1,7 +1,7 @@
 ### Complete the structure:
 
 * [x] Support versioning
-* Test use of `plpy` from python Package
+* [x] Test use of `plpy` from python Package
 * Add integration tests
 * Add `pysal` dependency and wrapper
 

python/crankshaft/crankshaft/poc/xyz.py

@@ -1,3 +1,5 @@
+import plpy
+
 def xyz():
-    # print "XYZ"
+    plpy.notice('XYZ...')
     return "xyz-result"

python/crankshaft/test/test_poc.py

@@ -2,6 +2,13 @@
 # -*- coding: utf-8 -*-
 
 import unittest
+
+class MockPlPy:
+    def notice(self, msg):
+        print msg
+
+import sys
+sys.modules['plpy'] = MockPlPy()
 import crankshaft
 
 class TestPoc(unittest.TestCase):