文件处理

1、编写代码，查看zip和rar压缩文件中的文件列表 zipfile.ZipFile()打开压缩包的方法

1 '''
2 编写代码，查看zip和rar压缩文件中的文件列表
3 zipfile.ZipFile()打开压缩包的方法
4 '''
5 import zipfile
6 
7 with zipfile.ZipFile(r'D:\test\test.zip') as fp:
8     for f in fp.namelist():
9         print(f)

2、Python扩展库tarfile提供了对tar文件的访问

'''
Python扩展库tarfile提供了对tar文件的访问
'''
import tarfile

import rarfile as rarfile

with tarfile.TarFile(r'D:\test\test.tar') as fp:
    for i in fp:
        print(i)
        

 3、小学数学算术题生成器

import random
import os
import tkinter
import tkinter.ttk
from docx.shared import Pt
from docx import Document
columnsNumber = 4
def main(rowsNumbers, grade):
    if grade < 3:
        operators = '+-'
        Max = 20
    elif grade <= 4:
        operators = '＋－×÷'
        Max = 100
    elif grade == 5:
        operators = '＋－×÷('
        Max = 100
    document = Document()
    table = document.add_table(rows=rowsNumbers, cols=columnsNumber)
    table.style.font.name = '微软雅黑'
    table.style.font.size = Pt(10)
    for row in range(rowsNumbers):
        for col in range(columnsNumber):
            first = random.randint(1, Max)
            second = random.randint(1, Max)
            operator = random.choice(operators)
            if operator != '(':  # 不是五年级
                if operator == '-' or '÷':
                    if first < second:
                        first, second = second, first
                r = str(first).ljust(2, ' ') + ' ' + operator + str(second).ljust(2, ' ') + '='

            else:  # 是五年级
                third = random.randint(1, 100)
                while True:
                    o1 = random.choice(operators)
                    o2 = random.choice(operators)
                    if o1 != '(' and o2 != '(':
                        break
                # 考虑括号的口算题
                r2 = random.randint(1, 100)
                if r2 > 50:
                    if o2 == '-':
                        if second < third:
                            second, third = third, second
                    r = str(first).ljust(2, ' ') + o1 + '(' + str(second).ljust(2, ' ') + o2 + str(third).ljust(2,
                                                                                                                ' ') + ')='
                else:
                    if o1 == '-':
                        if first < second:
                            first, second = second, first
                    r = '(' + str(first).ljust(2, ' ') + o1 + str(second).ljust(2, ' ') + ')' + o2 + str(third).ljust(2,
                                                                                                                      ' ') + '='

            cell = table.cell(row, col)
            cell.text = r

    document.save('小学生口算题.docx')
    os.startfile("小学生口算题.docx")


if __name__ == '__main__':
    app = tkinter.Tk()
    app.title('小学生口算题生成器')
    app['width'] = 300
    app['height'] = 150
    lableNumber = tkinter.Label(app, text='Number:', justify=tkinter.RIGHT, width=50)
    lableNumber.place(x=10, y=40, width=50, height=20)
    comboNumber = tkinter.ttk.Combobox(app, values=(100, 200, 300, 400, 500), width=50)
    comboNumber.place(x=70, y=40, width=50, height=20)

    labelGrade = tkinter.Label(app, text='Grade:', justify=tkinter.RIGHT, width=50)
    labelGrade.place(x=130, y=40, width=50, height=20)
    comboGrade = tkinter.ttk.Combobox(app, values=(1, 2, 3, 4, 5), width=50)
    comboGrade.place(x=200, y=40, width=50, height=20)


    def generate():
        number = int(comboNumber.get())
        grade = int(comboGrade.get())
        rowsNumbers = int(number / 4)
        main(rowsNumbers, grade)


    buttonGenerate = tkinter.Button(app, text='Go', width=40, command=generate)
    buttonGenerate.place(x=130, y=90, width=40, height=30)

    app.mainloop()

4、编写程序，统计文件夹中所有pptx格式的PowerPoint文件中幻灯片数量

'''
编写程序，统计文件夹中所有pptx格式的PowerPoint文件中幻灯片数量
'''
import os
import pptx
total = 0
def pptCount(path):
    global total
    #导出path路径下的所有文件
    for subPath in os.listdir(path):
        #为每一个文件制作绝对路径
        subPath = os.path.join(path,subPath)
        #如果是一个文件夹，就进入文件夹，通过递归调用
        if os.path.isdir(subPath):
            pptCount(subPath)
        #如果是一个文件，并且以.pptx结尾，先输入这个文件绝对路径，随后统计幻灯片的数量
        elif subPath.endswith('.pptx'):
            print(subPath)
            #统计ppt里面幻灯片数量
            presentation = pptx.Presentation(subPath)
            total += len(presentation.slides)
pptCount(r'D:\test')
print(total)

5、编写程序，检测U盘插入并自动复制全部文件

'''
编写程序，检测U盘插入并自动复制全部文件
???
'''
from time import sleep
from shutil import copytree
from psutill import disk_partitions
while True:
    sleep(3)
    #检查所有驱动器
    for item in disk_partitions():
        #发现可移动驱动
        if 'removable' in item.opts:
            driver = item.device
            #输出可移动驱动器符号
            print('Found USB disk:',driver)
            break
        else:
            continue
        break
#复制根目录
copytree(driver,r'D:\usbdriver')
print('all files copied.')