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annotate python/dictarg.py @ 256:f40a172512c6

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more playing around
author Jeff Hammel <jhammel@mozilla.com>
date Sun, 16 Dec 2012 22:51:18 -0800
parents f3ab51c79813
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1 #!/usr/bin/python
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2
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3 import sys
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4
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5 def dictarg(adict, argv=sys.argv[1:]):
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6
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7 shopts = {}
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8
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9 # build list of keys
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10 for i in adict.keys():
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11 for j in i:
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12 s = str(j)
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13 if len(s) == 1:
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14 if shopts.has_key(s):
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15 continue
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16 shopts[s] = i
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17 break
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18 else:
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19 print >> sys.stderr, "dictarg: couldn't generate key for '%s'" % i
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20 sys.exit(1)
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21
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22 optstring = "?"
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23 for i in shopts.keys():
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24 optstring += i + ':' # all these options should have arguments
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25
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26 # look for command line args
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27 import getopt
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28
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29 opts, args = getopt.getopt(argv, optstring)
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30
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31 if ('-?', '') in opts:
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32 print 'Options:'
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33 for i in shopts:
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34 print '-%s %s [%s]' % (i, shopts[i], adict[shopts[i]])
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35 sys.exit(0)
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36
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37 for o, v in opts:
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38 o = o[1:] # cut off the dash
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39 adict[shopts[o]] = v
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40
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41 # test if invoked from command line
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42 if __name__ == '__main__':
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43 adict = {}
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44 for i in sys.argv:
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45 adict[i] = len(i)
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46
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47 # print the help
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48 dictarg(adict, ['-?'])
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49
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50 # test functionality
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51 print 'Enter test arguments: ',
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52 line = sys.stdin.readline()[:-1].split(' ')
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53 dictarg(adict, line)
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54 print adict