Calibre Duplicate Folders

clean.py

import os, stat, shutil, re
for author in [author for author in os.listdir('.') if os.path.isdir(os.path.join('.', author))]:
	lastbook = {}
	for book in [re.search('(?P<title>.*)\s?\((?P<id>\d+)\)', book).groupdict() for book in os.listdir(author + '/.') if os.path.isdir(os.path.join('.', author + '/' + book))]:
		if book['title'] in lastbook:
			
			if float(book['id']) > float(lastbook[book['title']]):
				lastbook[book['title']] = book['id']
		else:
			lastbook[book['title']] = book['id']

	test = [('%s(%s)' % (k, v)).replace(' ','') for k, v in lastbook.iteritems()]
	for book in [book for book in os.listdir(author + '/.') if os.path.isdir(os.path.join('.', author + '/' + book))]:
		if book.replace(' ','') not in test:
			path = author + '/' + book
			os.chmod(path, stat.S_IWRITE)
			shutil.rmtree(path)