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pdf_rename.py
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pdf_rename.py
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#! /usr/bin/python
'''Short description here for this script
Pdf rename
by Zhilong Jia <zhilongjia@gmail.com>,
Copyright @ 2012, All Rights Reserved.
'''
Author = 'Zhilong Jia <zhilongjia@gmail.com> CZlab, BIRM, China'
Date = 'Apr-5-2012'
License = 'GPL v3'
Version = '%(prog)s version 1.0'
from pyPdf import PdfFileReader
import argparse
import os
def get_args():
'''Handle options'''
parser = argparse.ArgumentParser(description='obtain the pdf file name')
parser.add_argument('filename', type=str, nargs='?')
args = parser.parse_args()
return args
def get_name(filename):
'''get pdf name'''
try:
file_obj = file(filename, "rb")
input1 = PdfFileReader(file_obj)
title = input1.getDocumentInfo().title
subject = input1.getDocumentInfo().subject
if title:
if not subject:
new_name ="{0}.pdf".format(str(title))
else:
new_name = ("{0}_{1}.pdf".format(str(title), str(subject).replace("/", "-").replace(" ", "_")))
else:
new_name = filename
file_obj.close()
except:
print "NO CHANGES!"
return new_name
def rename(filename, new_name):
'''rename pdf'''
print("Original Name:{0}".format(filename))
print("New Name:{0}".format(new_name))
os.rename(filename, new_name)
return None
def main():
args = get_args()
filename = args.filename
new_name = get_name(filename)
rename(filename, new_name)
if __name__ == "__main__":
main()