from urllib.request import urlretrieve
import logging
import logging.handlers
import filecmp
import shutil
import time
import sys

dir_last = '.\\torrents\\'
dir_auto = 'D:\\Users\\ion\\Dropbox\\autoload\\'
sec_wait = 1800

#%u'%(filename)s[LINE:%(lineno)d]# %(levelname)-8s [%(asctime)s]  %(message)s'
log_format = '%(asctime)s - %(message)s'
logging.basicConfig(format= log_format, level=logging.DEBUG)
log = logging.getLogger()

log_file = logging.handlers.RotatingFileHandler(sys.argv[0]+'.log', maxBytes=1048576, backupCount=2)
log_file.setLevel(logging.DEBUG)
log_file.setFormatter(logging.Formatter(log_format))
log.addHandler(log_file)

while True:
    for s in open('urls.txt'):
        log.info(s.rsplit('\n',1)[0])
        try:
            code = s.split()[0][-6:]
            file_last = dir_last + code + '.last'
            file_prev = dir_last + code + '.prev'
            file_auto = dir_auto + code + '.torrent'

            url = 'http://d.rutor.org/download/' + code
            urlretrieve(url, file_last)

        except:
            log.error('URL not parsing!')
            continue

        eq = False
        try:
            eq = filecmp.cmp(file_last, file_prev)
        except: pass

        if not eq:
            log.error('Torrent update!')
            shutil.copy(file_last, file_auto)
            shutil.copy(file_last, file_prev)

    for i in range(sec_wait//60):
        log.info('wait')
        time.sleep(60)