add python-based testset

Rakefile

@@ -212,6 +212,12 @@ def builder2task(builder,useHostAsName=false,syncSource=true)
     execute("make check CDO='#{builder.targetDir}/src/cdo -L'",builder)
   end
 
+  @_help[:checkPy] = \
+    "run a set of python tests" unless @_help.has_key?(:checkPy)
+  task toDo[:checkPy] => (syncSource ? toDo[:sync] : nil)  do |t|
+    execute("cd test && make checkPy",builder)
+  end
+
 
   @_help[:clean] = \
     "run 'make clean'" unless @_help.has_key?(:clean)

test/Makefile.am

@@ -44,6 +44,9 @@ DATAPATH   = $(top_srcdir)/test/data
 
 PYTHONPATH = $(top_srcdir)/contrib/python:$(top_srcdir)/test
 
+checkPy:
+	CDO=$(CDO) python $(top_srcdir)/test/test_cdo.py
+
 #.PHONY: $(TESTS)
 
 CLEANFILES += `ls *.pyc *.debug cerr* cout* ifile* ofile*`