1 import doctest, tempfile, os, sys

     2 

     3 if __name__ == "__main__":

     4     fd, name = tempfile.mkstemp(suffix='hg-tst')

     5     os.write(fd, sys.stdin.read())

     6     os.close(fd)

     7     failures, _ = doctest.testfile(name, module_relative=False)

     8     if failures:

     9         sys.exit(1)