extractall用法python_python tarfile模块基本使用

1.压缩一个文件夹下的所有文件

#coding=utf8

import os

import tarfile

__author__ = Administrator

def main():

cwd = os.getcSEO靠我wd()

tar = tarfile.open(test.tar,w:gz)

for root ,dir,files in os.walk(cwd):

for file in files:

fullpath SEO靠我= os.path.join(root,file)

tar.add(fullpath)

if __name__==__main__:

main()

2.解压缩一个tar包

import tarfile

tar =SEO靠我 tarfile.open("sample.tar.gz")

tar.extractall()

tar.close()

3.有选择的解压缩一个tar包

import os

import tarfile

def pSEO靠我y_files(members):

for tarinfo in members:

if os.path.splitext(tarinfo.name)[1] == ".py":

yield tarinfo

tSEO靠我ar = tarfile.open("sample.tar.gz")

tar.extractall(members=py_files(tar))

tar.close()

参考资料：

https://docs.SEO靠我python.org/2/library/tarfile.html