annotate python/netdiff.py @ 862:e300310bb98c

note re pruning stopped docker containers
author Jeff Hammel <k0scist@gmail.com>
date Mon, 04 Jun 2018 15:35:03 -0700
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children
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1 #!/usr/bin/env python
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2
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3 """
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4 compare differences of url contents
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5 """
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6
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7 import difflib
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8 import optparse
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9 import os
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10 import sys
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11 import urllib2
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12
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13 here = os.path.dirname(os.path.realpath(__file__))
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14
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15 def main(args=sys.argv[1:]):
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16
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17 usage = '%prog [options] from-url to-url'
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18 parser = optparse.OptionParser(usage=usage, description=__doc__)
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19 parser.add_option('--bash', '--command', dest='command',
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20 action='store_true', default=False,
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21 help="prepend output with bash command")
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22 options, args = parser.parse_args(args)
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23 if len(args) != 2:
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24 parser.print_usage()
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25 parser.exit(1)
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26
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27 contents = {}
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28 for url in args:
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29 contents[url] = urllib2.urlopen(url).read()
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30
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31 diff = difflib.unified_diff(contents[args[0]],
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32 contents[args[1]],
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33 fromfile=args[0],
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34 tofile=args[1],
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35 lineterm='')
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36
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37 # output
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38 if options.command:
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39
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40 template = """%(PS1)s diff <(curl --location %(fromfile)s 2> /dev/null) <(curl --location %(tofile)s 2> /dev/null)"""
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41 print template % dict(PS1='#',
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42 fromfile=args[0],
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43 tofile=args[1])
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44
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45 print '\n'.join(list(diff))
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46
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47 if __name__ == '__main__':
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48 main()