day22 作业

1 统计文件夹大小

def get_filesize(file_path):
    count = 0
    res=None
    files_sum = os.listdir(file_path)
    for files in files_sum:
        new_files = os.path.join(file_path,files)
        if os.path.isdir(new_files):
            res= get_filesize(new_files)
        elif os.path.isfile(new_files):
            size = os.path.getsize(new_files)
            count+=size
    if res==None:
        return count
    elif res>0:
        return count+res
res = get_filesize(path)
print(res)

2 模拟下载进度条

def progress(percent):
    if percent>1:
        percent=1
    str_sap = int(percent*50)*'#'
    print(("
[%-50s] %s%%")%(str_sap,int(percent*100)),end="")
recv_size = 0
total_size = 1024
while recv_size<total_size:
    recv_size+=10
    import time
    time.sleep(0.1)
    percent = recv_size/total_size
    progress(percent)

3 copy

import sys
src_file=sys.argv[1]
dst_file=sys.argv[2]

with open(r'%s' %src_file,mode='rb') as read_f,
    open(r'%s' %dst_file,mode='wb') as write_f:
    for line in read_f:
        write_f.write(line)

4 验证码

import random
def make_code(size):
    str0 = ""
    for i in range(size):
        str1 = chr(random.randint(65,90))
        str2 = chr(random.randint(97,122))
        num = str(random.randint(0,9))
        str0 += random.choice([str1,str2,num])
    return str0
print(make_code(10))