from datetime import datetime def unix_time(dt): epoch = datetime.utcfromtimestamp(0) delta = dt - epoch return delta.total_seconds() def unix_time_millis(dt): return int(unix_time(dt) * 1000.0) def get_millis(): return unix_time_millis(datetime.now()) def get_seconds(): return get_millis() / 1000.0 class Timer: def __init__(self): self.start = get_millis() def elapsed_millis(self): return get_millis() - self.start def elapsed_seconds(self): return long(self.elapsed_millis() / 1000.0) def pretty_str(self): ms = self.elapsed_millis() if ms > 5000: return '%ds' % long(ms / 1000.0) return '%dms' % ms