--- a/make-rules/setup.py.mk	Sat May 04 09:50:55 2013 -0700
+++ b/make-rules/setup.py.mk	Wed May 08 10:41:41 2013 -0700
@@ -18,7 +18,7 @@
 #
 # CDDL HEADER END
 #
-# Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 #
 
 $(BUILD_DIR)/%-2.6/.built:		PYTHON_VERSION=2.6
@@ -111,3 +111,7 @@
 
 clean::
 	$(RM) -r $(SOURCE_DIR) $(BUILD_DIR)
+
+# Make it easy to construct a URL for a pypi source download.
+PYPI_BASE = http://pypi.python.org/packages/source
+pypi_url = $(PYPI_BASE)/$(shell echo $(COMPONENT_NAME) | cut -c1)/$(COMPONENT_NAME)/$(COMPONENT_ARCHIVE)