Remove outdated RSS records for qBittorrent

qbittorrent_rss_cleaner.py

import os
import json
import re
from datetime import datetime, timedelta

rss_json = ''
for i in os.listdir('.'):
    if i.endswith('.json'):
        rss_json = i

pattern = re.compile(r'([\d]{4}-[\d]{2}-[\d]{2}T.*?$)')

def check_month_old(metainfo):
    # extract time string
    torrent = metainfo.get('torrent', '')
    match = pattern.search(torrent)
    if not match:
        return False
    time_string = match.group()
    # parse timedate & check
    format = "%Y-%m-%dT%H:%M:%S.%f"
    if "." not in time_string:
        format = "%Y-%m-%dT%H:%M:%S"
    time = datetime.strptime(time_string, format)
    now = datetime.now()
    one_month_ago = now - timedelta(days=30)
    
    if time < one_month_ago:
        return True
    return False

rss = json.loads(open(rss_json, 'rb').read())
rss_new = [i for i in rss if not check_month_old(i)]

with open(rss_json, 'w') as f:
    json.dump(rss_new, f, indent=4)

print(f"Removed: {len(rss) - len(rss_new)}/{len(rss)}")