bmc/tearpages.py

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2014-04-28 22:23:05 +02:00
#!/usr/bin/env python2
# -*- coding: utf-8 -*-
# Author: Francois Boulogne
# License: GPLv3
__version__ = '0.1'
import argparse
import shutil
import tempfile
from PyPDF2 import PdfFileWriter, PdfFileReader
from PyPDF2.utils import PdfReadError
def fixPdf(pdfFile, destination):
"""
Fix malformed pdf files when data are present after '%%EOF'
:param pdfFile: PDF filepath
:param destination: destination
"""
tmp = tempfile.NamedTemporaryFile()
output = open(tmp.name, 'wb')
with open(pdfFile, "rb") as fh:
with open(pdfFile, "rb") as fh:
for line in fh:
output.write(line)
if b'%%EOF' in line:
break
output.close()
shutil.copy(tmp.name, destination)
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def tearpage(filename):
"""
Copy filename to a tempfile, write pages 1..N to filename.
:param filename: PDF filepath
"""
# Copy the pdf to a tmp file
tmp = tempfile.NamedTemporaryFile()
shutil.copy(filename, tmp.name)
# Read the copied pdf
try:
input_file = PdfFileReader(open(tmp.name, 'rb'))
except PdfReadError:
fixPdf(filename, tmp.name)
input_file = PdfFileReader(open(tmp.name, 'rb'))
# Seek for the number of pages
num_pages = input_file.getNumPages()
# Write pages excepted the first one
output_file = PdfFileWriter()
for i in range(0, num_pages):
output_file.addPage(input_file.getPage(i))
tmp.close()
outputStream = open(filename, "wb")
output_file.write(outputStream)
if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Remove the first page ' +
'of a PDF', epilog='')
parser.add_argument('--version', action='version', version=__version__)
parser.add_argument('pdf', metavar='PDF', help='PDF filepath')
args = parser.parse_args()
tearpage(args.pdf)