https://www.reddit.com/user/skhaz/comments/ebgke8/python3_are_the_following_lines_of_code_easy_to/

main.py

#!/usr/bin/env python3
import re
import functools
import itertools
from pathlib import Path

import click
from jinja2 import Environment, BaseLoader, Template

try:
  import ujson as json
except ImportError:
  import json


jinja2_env = Environment(loader=BaseLoader(), trim_blocks=True)

base = Template('''---
title: {{ title }}
tags: [""]
draft: false
---

{{ content }}

''')

tags = '''
<img src="{{ filename }}" alt="{{ title }}">
---
<audio controls>
  <source src="{{ filename }}" type="{{ mimetype }}">
</audio>
---
<video controls>
  <source src="{{ filename }}" type="{{ mimetype }}">
</video>
'''.split(
  '---'
)

templates = {
  key: f'{{% include base %}}\n{value}'
    for key, value in dict(
      image=tags[0],
      audio=tags[1],
      video=tags[2],
    ).items()
}

residuous = (Path.cwd() / 'residuous.txt').read_text().splitlines()


def render(context):
  content = context['content']
  del context['content']
  [r for r in residuous if (content := content.replace(r, ''))]

  kind, _ = context['mimetype'].split('/')
  template = templates[kind]
  result = jinja2_env.from_string(template).render(base=base, content=content, **context)

  filepath = Path.cwd() / f'{context["guid"]}.md'
  filepath.write_text(result)


@click.command()
@click.option('-d', '--directory', required=True)
def run(directory):
  path = Path(directory).resolve()
  if not path.exists():
    return

  files = {p for p in path.glob('*.json')} or [path]
  [
    *map(
      render,
      itertools.chain(
        *map(
          lambda f: json.loads(f.read_text()),
          files,
        )
      ),
    )
  ]


if __name__ == '__main__':
  run()