annotate python/diffex.py @ 824:16200adbd4f0

work around exit code for no changes
author Jeff Hammel <k0scist@gmail.com>
date Tue, 07 Feb 2017 10:28:00 -0800
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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 diff before v after of executables
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6 (requires http://k0s.org/hg/config/file/f71f6ffa731a/python/lsex.py)
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7 """
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8
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9 # improts
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10 import difflib
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11 import lsex
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12 import optparse
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13 import os
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14 import subprocess
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15 import sys
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16 import tempfile
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18
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19 def add_options(parser):
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20 """add options to the OptionParser instance"""
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23 def main(args=sys.argv[1:]):
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24
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25 # parse command line
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26 usage = '%prog [options] ...'
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27 class PlainDescriptionFormatter(optparse.IndentedHelpFormatter):
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28 """description formatter for console script entry point"""
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29 def format_description(self, description):
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30 if description:
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31 return description.strip() + '\n'
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32 else:
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33 return ''
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34 parser = optparse.OptionParser(usage=usage,
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35 description=__doc__,
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36 formatter=PlainDescriptionFormatter())
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37 options, args = parser.parse_args(args)
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38
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39 # get difference in executables
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40 before = lsex.executable_names() # get executables before
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41 raw_input("Press [Enter] to continue")
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42 after = lsex.executable_names() # get executables after
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43
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44 # display
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45 added = [i for i in after if i not in before]
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46 removed = [i for i in before if i not in after]
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47 added.sort()
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48 removed.sort()
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49
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50 display = [('Added', added),
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51 ('Removed', removed),
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52 ]
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53
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54 for display_name, var in display:
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55 if var:
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56 print '%s:' % display_name
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57 print ('\n'.join(var))
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58
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60 if __name__ == '__main__':
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61 main()
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