gistfile1.py

import PyPDF2
import os
import shutil


def list_files(directory):
    """ Get name of all pdf files on directory """
    pdf_files = []
    for filename in os.listdir(directory):
        if filename.endswith('.pdf'):
            pdf_files.append(filename)
    pdf_files.sort()
    return pdf_files

def extract_new_name_and_rename (pdf_files):
    """ extracts the name of the PDF file and renames the files with their respective names. """
    for pdf in pdf_files:
        pdf_file_obj = open(pdf, 'rb')
        pdf_reader = PyPDF2.PdfFileReader(pdf_file_obj)
        page = pdf_reader.getPage(0)
        new_file_name = page.extractText()
        pdf_file_obj.close()
        print('Renaming "%s" to "%s"...' % (pdf, new_file_name))
        shutil.move(pdf, 'Certificado IBADPP - ' + new_file_name + '.pdf')

def main():
    """ It makes the magic happen: Leeeeeroy Jenkins"""

    pdf_files = list_files('.')
    extract_new_name_and_rename(pdf_files)


if __name__ == '__main__':
    main()