crawl-xuexi/DownloadProgress.py

# -*- coding: utf-8 -*-
'''
下载进度
@Auther :liuyuqi.gov@msn.cn
@date :2019/4/8
'''
__author__ = "liuyuqi"


class DownloadProgress(object):
    def __init__(self, title, count=0.0, run_status=None, fin_status=None, total=100.0, unit='', sep='/',
                 chunk_size=1.0):
        super(DownloadProgress, self).__init__()
        self.info = "[%s] %s %.2f %s %s %.2f %s"
        self.title = title
        self.total = total
        self.count = count
        self.chunk_size = chunk_size
        self.status = run_status or ""
        self.fin_status = fin_status or " " * len(self.status)
        self.unit = unit
        self.seq = sep

    def __get_info(self):
        # 【名称】状态 进度 单位 分割线 总数 单位
        _info = self.info % (
            self.title, self.status, self.count / self.chunk_size, self.unit, self.seq, self.total / self.chunk_size,
            self.unit)
        return _info

    def refresh(self, count=1, status=None):
        self.count += count
        # if status is not None:
        self.status = status or self.status
        end_str = "\r"
        if self.count >= self.total:
            end_str = '\n'
            self.status = status or self.fin_status
        print(self.__get_info(), end=end_str)