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#! /usr/bin/env python
#
# Sort bibliographies in chronological order
#
# Copyright (c) 2007, Peter Corke
#
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * The name of the copyright holder may not be used to endorse or
# promote products derived from this software without specific prior
# written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGE.
import Bibliography;
import BibEntry;
import BibTeX;
import string;
import sys;
import optparse;
## parse switches
usage = '''usage: %prog [options] [bibfiles]
:: Sort bibliographies in chronological order'''
p = optparse.OptionParser(usage)
p.add_option('--reverse', dest='reverseSort', action='store_true',
help='sort into ascending data order (old at top)');
p.add_option('--resolve', dest='resolve', action='store_true',
help='resolve cross reference entries');
p.set_defaults(reverseSort=False, resolve=False);
(opts, args) = p.parse_args()
globals().update(opts.__dict__)
if len(args) == 0 and sys.stdin.isatty():
p.print_help();
sys.exit(0);
count = {};
sortReturn = -1 if reverseSort else 1;
def sortByDate(a, b):
# On input a and b are BibEntry objects
ay = a.getYear();
by = b.getYear();
if ay > by:
return -sortReturn;
elif ay < by:
return sortReturn;
else:
am = a.getMonth();
bm = b.getMonth();
if am > bm:
return -sortReturn;
elif am < bm:
return sortReturn;
else:
return 0;
outbib = BibTeX.BibTeX();
if args:
for f in args:
bib = BibTeX.BibTeX();
n = bib.parseFile(f);
sys.stderr.write( "%d records read from %s\n" % (n, f) );
else:
bib = BibTeX.BibTeX();
bib.parseFile();
sys.stderr.write( "%d records read from stdin\n" % len(bib) );
# sort it
bib.sort(sortByDate);
# and output the result
for s in bib:
s.write();
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