Dump PDF outline (ToC)

pdfoutlinedump.py

#!/usr/bin/env python
# encoding: utf-8
"""
pdfoutlinedump.py

"""

from optparse import OptionParser
from pyPdf import PdfFileReader

def flattenWithLevel(iterable, level=0):
  for element in iter(iterable):
    if isinstance(element, list):
      for e in flattenWithLevel(element, level+1):
        yield e
    else:
      yield {"level":level, "content":element}

parser = OptionParser()
parser.add_option("-t", "--tabulator", dest="tab", default="\t")     
(options, args) = parser.parse_args()

for fileName in args:
  pdf = PdfFileReader(file(fileName, "rb"))
  for outline in flattenWithLevel( pdf.getOutlines() ):
    print options.tab * int(outline["level"]) , outline["content"]["/Title"]