Frontmatter Cleanup

front.py

import frontmatter
from datetime import timezone, timedelta
import glob

globby = glob.glob('../_posts/*/*.md')

for filename in globby:
    post = frontmatter.load(filename)

    desired_tags = ['layout', 'title', 'date', 'content']
    current_tags = list(post.keys())

    for key in current_tags:
        if key not in desired_tags:
            del post[key]

            post['date'] = post['date'].replace(hour=0,minute=0,second=0,microsecond=0,
                                                tzinfo=timezone(-timedelta(hours=6)))

    with open(filename, "w") as f:
        f.write(frontmatter.dumps(post) + '\n')