| 1 | #! /usr/bin/env python
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| 2 |
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| 3 | """Combine similar index entries into an entry and subentries.
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| 4 |
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| 5 | For example:
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| 6 |
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| 7 | \item {foobar} (in module flotz), 23
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| 8 | \item {foobar} (in module whackit), 4323
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| 9 |
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| 10 | becomes
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| 11 |
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| 12 | \item {foobar}
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| 13 | \subitem in module flotz, 23
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| 14 | \subitem in module whackit, 4323
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| 15 |
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| 16 | Note that an item which matches the format of a collapsable item but which
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| 17 | isn't part of a group of similar items is not modified.
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| 18 | """
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| 19 | __version__ = '$Revision: 29268 $'
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| 20 |
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| 21 | import re
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| 22 | import StringIO
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| 23 | import sys
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| 24 |
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| 25 |
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| 26 | def cmp_entries(e1, e2):
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| 27 | return cmp(e1[1].lower(), e2[1].lower()) or cmp(e1, e2)
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| 28 |
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| 29 |
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| 30 | def dump_entries(write, entries):
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| 31 | if len(entries) == 1:
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| 32 | write(" \\item %s (%s)%s\n" % entries[0])
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| 33 | return
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| 34 | write(" \item %s\n" % entries[0][0])
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| 35 | # now sort these in a case insensitive manner:
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| 36 | if len(entries) > 0:
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| 37 | entries.sort(cmp_entries)
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| 38 | for xxx, subitem, pages in entries:
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| 39 | write(" \subitem %s%s\n" % (subitem, pages))
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| 40 |
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| 41 |
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| 42 | breakable_re = re.compile(
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| 43 | r" \\item (.*) [(](.*)[)]((?:(?:, \d+)|(?:, \\[a-z]*\{\d+\}))+)")
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| 44 |
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| 45 |
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| 46 | def process(ifn, ofn=None):
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| 47 | if ifn == "-":
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| 48 | ifp = sys.stdin
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| 49 | else:
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| 50 | ifp = open(ifn)
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| 51 | if ofn is None:
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| 52 | ofn = ifn
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| 53 | ofp = StringIO.StringIO()
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| 54 | entries = []
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| 55 | match = breakable_re.match
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| 56 | write = ofp.write
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| 57 | while 1:
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| 58 | line = ifp.readline()
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| 59 | if not line:
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| 60 | break
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| 61 | m = match(line)
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| 62 | if m:
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| 63 | entry = m.group(1, 2, 3)
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| 64 | if entries and entries[-1][0] != entry[0]:
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| 65 | dump_entries(write, entries)
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| 66 | entries = []
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| 67 | entries.append(entry)
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| 68 | elif entries:
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| 69 | dump_entries(write, entries)
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| 70 | entries = []
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| 71 | write(line)
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| 72 | else:
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| 73 | write(line)
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| 74 | del write
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| 75 | del match
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| 76 | ifp.close()
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| 77 | data = ofp.getvalue()
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| 78 | ofp.close()
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| 79 | if ofn == "-":
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| 80 | ofp = sys.stdout
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| 81 | else:
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| 82 | ofp = open(ofn, "w")
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| 83 | ofp.write(data)
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| 84 | ofp.close()
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| 85 |
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| 86 |
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| 87 | def main():
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| 88 | import getopt
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| 89 | outfile = None
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| 90 | opts, args = getopt.getopt(sys.argv[1:], "o:")
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| 91 | for opt, val in opts:
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| 92 | if opt in ("-o", "--output"):
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| 93 | outfile = val
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| 94 | filename = args[0]
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| 95 | outfile = outfile or filename
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| 96 | process(filename, outfile)
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| 97 |
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| 98 |
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| 99 | if __name__ == "__main__":
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| 100 | main()
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