import six
import time


def retry(ExceptionToCheck, tries=3, delay=2, backoff=2):
    """
    Retry decorator published by Saltry Crane.

    http://www.saltycrane.com/blog/2009/11/trying-out-retry-decorator-python/
    """
    def deco_retry(f):
        def f_retry(*args, **kwargs):
            mtries, mdelay = tries, delay
            try_one_last_time = True
            while mtries > 1:
                try:
                    return f(*args, **kwargs)
                    try_one_last_time = False
                    break
                except ExceptionToCheck:
                    six.print_("Retrying in %s seconds" % str(mdelay))
                    time.sleep(mdelay)
                    mtries -= 1
                    mdelay *= backoff
            if try_one_last_time:
                return f(*args, **kwargs)
            return
        return f_retry  # true decorator
    return deco_retry