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110 lines
3.3 KiB
110 lines
3.3 KiB
#!/usr/bin/env python |
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# -*- encoding: utf-8 -*- |
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"""Build the JSON with the list of presentions.""" |
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import os |
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import re |
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import logging |
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import argparse |
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import datetime |
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import json |
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DATA_BACKGROUND = re.compile(r"data-background=['\"](.*?)['\"]") |
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PRES_TITLE1 = re.compile(r"<h1.*?>(.*?)</h1>") |
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PRES_TITLE2 = re.compile(r"<h2.*?>(.*?)</h2>") |
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HEADER = re.compile(r"section.*data-background=['\"]" |
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r"(?P<image>.*?)['\"].*data-header" |
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r"(?P<content>.*?)section", re.M | re.S) |
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def retrieve_presentation_info(filename): |
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"""Open a file and try to retrieve the presentation information, like |
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background-image and title. |
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""" |
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result = (None, None) |
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content = '' |
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with open(filename) as data: |
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content = data.read() |
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header = HEADER.search(content) |
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if not header: |
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logging.debug('%s has no header', filename) |
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return result |
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logging.debug('Header: %r', header.groupdict()) |
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image = header.groupdict()['image'] |
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title = PRES_TITLE1.search(header.groupdict()['content']) |
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if not title: |
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title = PRES_TITLE2.search(header.groupdict()['content']) |
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if content and image and title: |
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logging.debug('Image for %s = %s', filename, image) |
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logging.debug('Title for %s = %s', filename, title.group(1)) |
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result = (image, title.group(1)) |
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elif not content: |
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logging.debug('%s has no content', filename) |
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elif not image: |
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logging.debug('%s has no image', filename) |
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else: |
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logging.debug('%s has no title', filename) |
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return result |
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def check_presentations(file_list): |
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"""Check if the any of the files in the file list are presentations.""" |
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result = [] |
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for filename in file_list: |
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logging.debug('-->') |
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if not filename.endswith('.html'): |
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# presentations are HTML only |
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logging.debug('%s ignored, not an HTML file', filename) |
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continue |
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(image, title) = retrieve_presentation_info(filename) |
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if image and title: |
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stat_info = os.stat(filename) |
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date = datetime.datetime.fromtimestamp(stat_info.st_mtime) |
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logging.debug('Modified date = %s', date) |
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result.append({'presentation': filename, |
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'title': title, |
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'image': image, |
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'changed': date.strftime('%Y-%m-%d %H:%M:%S')}) |
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else: |
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logging.debug('Missing information on %s', filename) |
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return result |
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def main(): |
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"""Main function.""" |
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parser = argparse.ArgumentParser() |
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parser.add_argument('-d', '--debug', |
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action='store_const', |
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dest='debug', |
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default=False, |
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const=True, |
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help='Enable debugging messages') |
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args = parser.parse_args() |
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level = logging.INFO |
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if args.debug: |
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level = logging.DEBUG |
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logging.basicConfig(level=level) |
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for (root, _, files) in os.walk('.'): |
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if not root == '.': |
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# only files in the current directly will be checked |
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continue |
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content = sorted(check_presentations(files), |
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key=lambda r: r['title']) |
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with open('index.json', 'w') as output: |
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output.write(json.dumps(content)) |
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return |
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if __name__ == "__main__": |
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main()
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