使用Python压缩和解压缩zip文件的教程

#!/usr/vin/env python
# coding: utf-8
"""
压缩和解压zip文件
"""
 
import os
import zipfile
 
def compress(zip_file, input_dir):
f_zip = zipfile.ZipFile(zip_file, 'w')
for root, dirs, files in os.walk(input_dir):
for f in files:
# 获取文件相对路径，在压缩包内建立相同的目录结构
abs_path = os.path.join(os.path.join(root, f))
rel_path = os.path.relpath(abs_path, os.path.dirname(input_dir))
f_zip.write(abs_path, rel_path, zipfile.ZIP_STORED)
 
def extract(zip_file, output_dir):
f_zip = zipfile.ZipFile(zip_file, 'r')
 
# 解压所有文件到指定目录
f_zip.extractall(output_dir)
 
# 逐个解压文件到指定目录
for f in f_zip.namelist():
f_zip.extract(f, os.path.join(output_dir, 'bak'))
 
def printdir(zip_file):
f_zip = zipfile.ZipFile(zip_file, 'r')
print '== printdir() ============================'
f_zip.printdir()
print
print '== namelist() ============================'
for f in f_zip.namelist():
print f
 
if __name__ == '__main__':
zip_file = 'readability.zip'
compress(zip_file, os.path.join(os.getcwd(), 'readability'))
printdirzip_file)
extract(zip_file, 'output')</pre>