Plucked this from the net.

Misc/vgrindefs

+# vgrind is a prety-printer that takes source code and outputs
+# eye-pleasing postscript.  The entry below should be added to your
+# local vgrindefs file.
+
+python|Python|py:\                                
+        :pb=^\d?(def|class)\d\p(\d|\():\
+        :cb=#:ce=$:sb=":se=\e":lb=':le=\e':\
+        :kw=and assert break class continue def del elif else except exec \
+	 finally for from global if import in is lambda not or pass print \
+	 raise return try while: