+import sys,re,os.path
+
+# Parse the makefile in the current directory to identify the source directory
+top_srcdir = None
+for l in file("Makefile"):
+ r = re.match("top_srcdir *= *(.*)", l)
+ if r:
+ top_srcdir = r.group(1)
+ break
+if not top_srcdir:
+ fatal("cannot identify source directory")
+
+# Make sure that the test directory is on the module search path (so we can
+# find dtest and the tests themselves)
+sys.path.insert(0, os.path.join(top_srcdir, "tests"))
+import dtest