renomeia_boletos.py

#!/usr/bin/env python3
# dateutil, pdftools
import argparse
import os
from pdftools import pdf_split
from PyPDF2 import PdfFileReader
from dateutil import parser, relativedelta
from shutil import move


def renomeia(filename, date_str):
    # filename = 'Bradesco_17082016.PDF'
    directory = os.path.dirname(os.path.abspath(filename))
    pdf_split(filename, None, stepsize=1)
    f = open(filename, 'rb')
    reader = PdfFileReader(f)
    page_num = len(reader.pages)
    f.close()

    # date = parser.parse('25-08-2016')
    date = parser.parse(date_str, dayfirst=True)

    name, ext = os.path.splitext(filename)
    for i in range(1, page_num+1):
        newname = 'parcela {} - {}.pdf'.format(i, date.strftime('%d-%m-%Y'))
        move('{}_{}.pdf'.format(name, i), os.path.join(directory, newname))
        date += relativedelta.relativedelta(months=1)


if __name__ == '__main__':
    args_parser = argparse.ArgumentParser(description='Separa boletos em PDF.')
    args_parser.add_argument('filename', metavar='filename', type=str,
                             help='path do arquivo a ser dividido')
    args_parser.add_argument('date_str', type=str,
                             help='data do primeiro boleto (dd-mm-yyyy)')

    args = args_parser.parse_args()
    renomeia(args.filename, args.date_str)