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- # Helper script for test_tempfile.py. argv[2] is the number of a file
- # descriptor which should _not_ be open. Check this by attempting to
- # write to it -- if we succeed, something is wrong.
-
- import sys
- import os
-
- verbose = (sys.argv[1] == 'v')
- try:
- fd = int(sys.argv[2])
-
- try:
- os.write(fd, "blat")
- except os.error:
- # Success -- could not write to fd.
- sys.exit(0)
- else:
- if verbose:
- sys.stderr.write("fd %d is open in child" % fd)
- sys.exit(1)
-
- except StandardError:
- if verbose:
- raise
- sys.exit(1)
-