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annotate python/diffex.py @ 630:6e6a2adaa9f6
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author | Jeff Hammel <k0scist@gmail.com> |
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date | Thu, 20 Feb 2014 12:11:17 -0800 |
parents | be91c9fb3147 |
children | 4adc11d68e3d |
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-> http://k0s.org/portfolio/ideas/install_software_trifecta.txt
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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 (requires http://k0s.org/hg/config/file/f71f6ffa731a/python/lsex.py) |
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6 """ |
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7 |
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8 import difflib |
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9 import lsex |
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10 import optparse |
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11 import os |
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12 import subprocess |
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13 import sys |
453 | 14 import tempfile |
446
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15 |
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16 def add_options(parser): |
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17 """add options to the OptionParser instance""" |
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18 |
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19 def main(args=sys.argv[1:]): |
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20 |
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21 # parse command line options |
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22 usage = '%prog [options] ...' |
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23 class PlainDescriptionFormatter(optparse.IndentedHelpFormatter): |
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24 """description formatter for console script entry point""" |
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25 def format_description(self, description): |
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26 if description: |
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27 return description.strip() + '\n' |
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28 else: |
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29 return '' |
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30 parser = optparse.OptionParser(usage=usage, description=__doc__, formatter=PlainDescriptionFormatter()) |
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31 options, args = parser.parse_args(args) |
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32 |
453 | 33 # get difference |
34 before = lsex.executable_names() # get executables before | |
35 raw_input("Press [Enter] to continue") | |
36 after = lsex.executable_names() # get executables after | |
37 | |
38 # display | |
39 added = [i for i in after if i not in before] | |
40 removed = [i for i in before if i not in after] | |
41 added.sort() | |
42 removed.sort() | |
43 | |
44 display = [('Added', added), | |
45 ('Removed', removed), | |
46 ] | |
47 | |
48 for display_name, var in display: | |
49 if var: | |
50 print '%s:' % display_name | |
51 print '\n'.join(var) | |
446
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52 |
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53 if __name__ == '__main__': |
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54 main() |
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55 |