def being_download(hash_sign):
# todo:兼容其他是否下載的驗證方式
redis_queue = RedisMsgQueue()
all_files_json = redis_queue.set_get_all(
consts.constant_manager.DOWNLOAD_STATUS_QUEUE_NAME)
for file_str in all_files_json:
file_json = from_string_to_json(file_str)
if hash_sign == file_json['hash_sign']:
return True
return False
def monitor_download_status():
"""
1.读取内存中的即下载文件，以及总大小
2.读取这些文件目前大小，以及间隔时间的下载速度(每秒讀取一次)
:return:
"""
# todo:性能优化，通用下载器的文件下载监控方式
redis_queue = RedisMsgQueue()
while True:
all_files_old_json = redis_queue.set_get_all(
consts.constant_manager.DOWNLOAD_STATUS_QUEUE_NAME)
for single_file_json in all_files_old_json:
single_file_json['now_size'] = '读取文件大小'
time.sleep(3)
all_files_new_json = redis_queue.set_get_all(
consts.constant_manager.DOWNLOAD_STATUS_QUEUE_NAME)
for single_file_json in all_files_new_json:
single_file_json['now_size'] = '读取文件大小'
single_file_json['download_speed'] = ('now_size' - 'now_size') / 3
# 修改最新值，重新一个个放入内存中
if 'download_speed' <= 0:
'塞入队列重新下载'
pass