Python gist for merging / concatenating PDFs

pdf_merge.py

"""
PDF Merger
Args: -o or --output for output name
      -p or --path for output path
"""


import os
from argparse import ArgumentParser
from glob import glob
from pdfrw import PdfReader, PdfWriter, IndirectPdfDict

def merge(path, output_filename):
    writer = PdfWriter()
    pdfs = []
    for pdffile in glob(path + os.sep + '*.pdf'):
        if pdffile == output_filename:
            continue
        print("Listing '%s'" % pdffile)
        pdfs.append(pdffile)

    for pdf in pdfs:
        print("Parsing '%s'" % pdf)
        writer.addpages(PdfReader(pdf).pages)

    print("Start writing '%s'" % output_filename)
    writer.write("Merged PDF.pdf")

if __name__ == "__main__":
    parser = ArgumentParser()

    parser.add_argument("-o", "--output",
                        dest="output_filename",
                        default="MergedPDF.pdf",
                        help="write merged PDF to FILE",
                        metavar="FILE")
    parser.add_argument("-p", "--path",
                        dest="path",
                        default=".",
                        help="path of source PDF files")

    args = parser.parse_args()
    merge(args.path, args.output_filename)

It is best python script I've ever seen b4. <3