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comparison python/netdiff.py @ 549:3168816f2d28

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netdiff.py
author Jeff Hammel <jhammel@mozilla.com>
date Mon, 18 Nov 2013 11:28:30 -0800
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548:6b2c56da7c9d 549:3168816f2d28
1 #!/usr/bin/env python
2
3 """
4 compare differences of url contents
5 """
6
7 import difflib
8 import optparse
9 import os
10 import sys
11 import urllib2
12
13 here = os.path.dirname(os.path.realpath(__file__))
14
15 def main(args=sys.argv[1:]):
16
17 usage = '%prog [options] from-url to-url'
18 parser = optparse.OptionParser(usage=usage, description=__doc__)
19 parser.add_option('--bash', '--command', dest='command',
20 action='store_true', default=False,
21 help="prepend output with bash command")
22 options, args = parser.parse_args(args)
23 if len(args) != 2:
24 parser.print_usage()
25 parser.exit(1)
26
27 contents = {}
28 for url in args:
29 contents[url] = urllib2.urlopen(url).read()
30
31 diff = difflib.unified_diff(contents[args[0]],
32 contents[args[1]],
33 fromfile=args[0],
34 tofile=args[1],
35 lineterm='')
36
37 # output
38 if options.command:
39
40 template = """%(PS1)s diff <(curl --location %(fromfile)s 2> /dev/null) <(curl --location %(tofile)s 2> /dev/null)"""
41 print template % dict(PS1='#',
42 fromfile=args[0],
43 tofile=args[1])
44
45 print '\n'.join(list(diff))
46
47 if __name__ == '__main__':
48 main()