lookup.py 文件源码

def status_iter(iterable, callback, chunksize=1, reportsize=10):
    itersize = len(iterable)
    starttime = time.time()
    for i, item in enumerate(util.chunks(iterable, chunksize), 1):
        callback(item)
        if i % reportsize == 0:
            done = i * chunksize
            nowtime = time.time()
            numblocks = itersize * 1.0 / (reportsize*chunksize)
            curblock = done / (reportsize*chunksize)
            position = curblock / numblocks
            duration = round(nowtime - starttime)
            durdelta = datetime.timedelta(seconds=duration)
            remaining = round((duration / position) - duration)
            remdelta = datetime.timedelta(seconds=remaining)
            lookuplog.info("Done %s/%s in %s; %s remaining", done, itersize, str(durdelta), str(remdelta))
    lookuplog.info("Finished")