python 查看一个文件有多大

查看文件大小

# -*- coding: utf-8 -*-

import os
import sys


def convert_bytes(num):
    for x in ['bytes', 'KB', 'MB', 'GB', 'TB']:
        if sys.platform.startswith('darwin'):  # 系统为MacOS时候
            if num < 1000.0:
                return "%3.1f %s" % (num, x)
            num /= 1000.0

        elif sys.platform.startswith('win'):  # 系统为Windows时候
            if num < 1024.0:
                return "%3.1f %s" % (num, x)
            num /= 1024.0

        elif sys.platform.startswith('linux'):  # 系统为Linux时候
            if num < 1074.0:
                return "%3.1f %s" % (num, x)
            num /= 1074.0


def file_size(file_path):
    if os.path.isfile(file_path):
        file_info = os.stat(file_path)
        return convert_bytes(file_info.st_size)


if __name__ == '__main__':
    file_path = r"ceshi.xlsx"
    file_size_num = file_size(file_path)
    print(file_size_num)

 

正确显示文件大小