extenraljs_to_static.py

import os
import argparse
from distutils.util import strtobool

from bs4 import BeautifulSoup


def externaljs_to_static(path_suffix, input_file_name, output_file_name):
    index_path = os.path.join(path_suffix, input_file_name)
    output_path = os.path.join(path_suffix, output_file_name)
    print(index_path, output_path)
    with open(index_path, 'r') as index_file:
        index_content = index_file.read()
        soup = BeautifulSoup(index_content, 'html5lib')
        for section_soup in soup.find_all('section'):
            if section_soup.has_attr('data-external'):
                sub_path = os.path.join(path_suffix, section_soup['data-external'])
                with open(sub_path, 'r') as sub_file:
                    sub_content = sub_file.read()
                sub_soup = BeautifulSoup(sub_content, 'html.parser')

                section_soup.attrs = {}
                section_soup.insert(0, sub_soup)

        if os.path.isfile(output_path):
            print('{} exists.\n'.format(output_path))
            ans = input('Overwrite? (y/n) ')
            if not strtobool(ans):
                return
        with open(output_path, 'w') as output_file:
            output_file.write(str(soup))


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument('path',
                        help='Path of reveal.js project with external.js')
    parser.add_argument('-i', '--input',
                        default='index.html',
                        help='Name of index file')
    parser.add_argument('-o', '--output',
                        default='index.html',
                        help='Output File Name')
    args = parser.parse_args()

    externaljs_to_static(args.path, args.input, args.output)