annotate python/sshdiff.py @ 145:4096771c8b9f

protect from no anagrams case
author Jeff Hammel <jhammel@mozilla.com>
date Wed, 15 Jun 2011 15:14:29 -0700
parents c4aaaa6d9c13
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 diff files over ssh
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5 """
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6
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7 import os
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8 import subprocess
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9 import sys
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10 import tempfile
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11 from optparse import OptionParser
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12
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13 def main(args=sys.argv[1:]):
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14 usage = "%prog host file"
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15 parser = OptionParser(usage=usage, description=__doc__)
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16 options, args = parser.parse_args(args)
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17 try:
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18 host, filename = args
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19 except ValueError:
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20 parser.print_usage()
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21 parser.exit(1)
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22 process = subprocess.Popen(["ssh", host, "cat", filename], stdout=subprocess.PIPE)
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23 stdout, stderr = process.communicate()
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24 fd, buffer = tempfile.mkstemp()
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25 os.write(fd, stdout)
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26 os.close(fd)
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27 subprocess.call(['diff', os.path.join(os.environ['HOME'], filename), buffer])
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28 try:
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29 os.remove(buffer)
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30 except:
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31 pass
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32
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33 if __name__ == '__main__':
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34 main()
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