# sample script to test logging of stdout and STDERR import sys import os import errtee print("Stdout1") if 'ERRTEE' in os.environ: print("ERRTEE=%s" % os.environ['ERRTEE']) else: print("ERRTEE is not defined") print("Stderr2", file=sys.stderr) # should appear in log file if ERRTEE is defined print("Stdout3") raise Exception("Except") # should appear in log file if ERRTEE is defined