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Command line improvement.

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cedricbonhomme 2010-10-06 09:08:36 +02:00
parent 2f34fac27c
commit 96a65a45a2
1 changed files with 8 additions and 5 deletions
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13
lsb-s.py
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@ -126,8 +126,11 @@ def reveal_slow(img):
if __name__ == '__main__': if __name__ == '__main__':
# Point of entry in execution mode. # Point of entry in execution mode.
from optparse import OptionParser from optparse import OptionParser
usage = "usage: %prog hide|reveal [options]" parser = OptionParser(version=__version__)
parser = OptionParser(usage) parser.add_option('--hide', action='store_true', default=False,
help="Hides a message in an image.")
parser.add_option('--reveal', action='store_true', default=False,
help="Reveals the message hided in an image.")
# Original image # Original image
parser.add_option("-i", "--input", dest="input_image_file", parser.add_option("-i", "--input", dest="input_image_file",
help="Input image fil.e") help="Input image fil.e")
@ -153,7 +156,7 @@ if __name__ == '__main__':
(options, args) = parser.parse_args() (options, args) = parser.parse_args()
if sys.argv[1] == "hide": if options.hide:
if options.secret_message != "" and options.secret_file == "": if options.secret_message != "" and options.secret_file == "":
secret = options.secret_message secret = options.secret_message
elif options.secret_message == "" and options.secret_file != "": elif options.secret_message == "" and options.secret_file != "":
@ -167,7 +170,7 @@ if __name__ == '__main__':
# If hide() returns an error (Too long message). # If hide() returns an error (Too long message).
print e print e
elif sys.argv[1] == "reveal": elif options.reveal:
img = Image.open(options.input_image_file) img = Image.open(options.input_image_file)
secret = reveal(img) secret = reveal(img)
if options.secret_binary != "": if options.secret_binary != "":
@ -175,4 +178,4 @@ if __name__ == '__main__':
with open(options.secret_binary, "w") as f: with open(options.secret_binary, "w") as f:
f.write(data) f.write(data)
else: else:
print secret print secret