Archive old trello cards from specific list

cleanup_trello_list.py

import requests


# get your key on https://trello.com/app-key
key = 'your dev key'

login_url = 'https://trello.com/1/authorize?key={key}&name=my_app&expiration=30days&response_type=token&scope=read,write'.format(key=key)
print(login_url)
# goto login_url and get your token
token = 'auth token'

# get board id from url: https://trello.com/b/<board_id>/<board_slug>
board_id = 'board id'

# get board lists:
# https://trello.com/1/boards/{board_id}/lists/
lists = {l['id']: l['name'] for l in requests.get('https://trello.com/1/boards/{board_id}/lists/?key={key}&token={token}'.format(board_id=board_id, key=key, token=token)).json()}
print(lists)

archive_before = '2017-03-01'
list_id = 'list id'


archive_url = 'https://trello.com/1/cards/{}/closed?token={token}&key={key}&value=true'
old_cards = requests.get(
    'https://trello.com/1/lists/{list_id}/cards/?before={archive_before}&token={token}&key={key}'.format(
        list_id=list_id, archive_before=archive_before, key=key, token=token
    )
).json()

for i, card in enumerate(old_cards):
    requests.put(archive_url.format(card['id'], token=token, key=key))
    print('{}%'.format(float(i)/len(old_cards)*100))