#!python3

# set mtime for DV files from filename

# https://github.com/hMatoba/Piexif
# http://ce3wiki.theturninggate.net/doku.php?id=file_name_convention
# destination: <BASE>/<year>/<YYYYMMDD> <Event>/ab-<YYYYMMDD>-<Event>-<nnnn>.jpg

from pathlib import Path
import datetime as dt
import piexif
from collections import defaultdict
import re
import os

src = Path(r'E:\MediaArchive\Andreas\MaxQByDate')
dry_run = True

for year in src.iterdir():
    if not year.is_dir():
        continue
    for day in year.iterdir():
        if not day.is_dir():
            continue
        files = list(day.iterdir())
        file_count = len(files)
        if file_count > 0:
            continue
        if not re.match("\d{8}", day.name):
            continue
        print(f"{file_count:3} files in {day.name}")
        if not dry_run:
            day.rmdir()