script.py

import datetime
from pprint import pprint as pp
from trello import TrelloClient


client = TrelloClient(
    api_key='your-key',
    api_secret='your-secret',
    token='your-oauth-token-key',
    token_secret='your-oauth-token-secret'
)


def next_monday():
	# http://stackoverflow.com/a/6558571
	day = datetime.date.today()
	days_ahead = 0 - day.weekday()
	if days_ahead <= 0: # Target day already happened this week
	    days_ahead += 7
	return day + datetime.timedelta(days_ahead)


for board in client.list_boards():

	if board.name == "School Stuff":

		lists_to_del = []

		# find all empty lists in a board
		print('Finding all empty lists...', end='')
		for board_list in board.open_lists():
			if len(board_list.list_cards()) == 0:
				lists_to_del.append(board_list)
		print('found {}.'.format(len(lists_to_del)))

		# close all empty lists:
		if (len(lists_to_del) > 0):
			print('Closing {} empty board(s)...'.format(len(lists_to_del)), end='')
			for empty_list in lists_to_del:
				empty_list.close()
			print('done.')

		# creating new boards for the week
		print('Creating new boards for the week...', end='')
		week_start = next_monday()
		for day in range(7):
			week_day = week_start + datetime.timedelta(days=day)
			board.add_list(week_day.strftime('%A (%m/%d/%Y)'), 'bottom')
		print('done.')