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annotate python/clean_whiteboard.py @ 824:16200adbd4f0

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work around exit code for no changes
author Jeff Hammel <k0scist@gmail.com>
date Tue, 07 Feb 2017 10:28:00 -0800
parents 1453c8a3747e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 From https://gist.github.com/lelandbatey/8677901
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6
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7 #!/bin/bash
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8 convert $1 -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 $2
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9 """
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10
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11 import argparse
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12 import os
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13 import subprocess
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14 import sys
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16 __all__ = ['main']
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17 here = os.path.dirname(os.path.realpath(__file__))
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18 string = (str, unicode)
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20 def main(args=sys.argv[1:]):
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21
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22 # parse command line
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23 parser = argparse.ArgumentParser(description=__doc__)
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24 parser.add_argument('input',
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25 help='input file')
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26 parser.add_argument('output',
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27 help='output file')
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28 options = parser.parse_args(args)
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29
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30 subprocess.check_call(['convert', options.input, '-morphology', 'Convolve', 'DoG:15,100,0', '-negate', '-normalize', '-blur', '0x1', '-channel', 'RBG', '-level', '60%,91%,0.1', options.output])
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31
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32 if __name__ == '__main__':
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33 main()