Python压缩和解压缩实践

工作需要，将已经打好的war包解压出来，重新压缩WEB-INF中的classes文件夹到WEB-INF.zip

那就只好从实际出发，用代码来了解一下python的压缩解压缩了。

#!/usr/bin/env python
# encoding: utf-8

"""
@version: 1.0
@author: jiangmtiao
@site: my.oschina.net/jiangmitiao/blog
@software: PyCharm
@file: autoPackage.py
@time: 2016/3/23 9:42
@description: TODO
"""
import os
import zipfile

class AutoPackage(object):
    def __init__(self, mavenPath="auto", projectPath="./"):
        self.mavenPath = mavenPath
        self.projectPath = projectPath
        self.fileName = None
        pass

    def check(self):
        # 检查是否有war文件，不存在则退出
        tmpPath = os.path.join(self.projectPath, 'target/')
        if not os.path.exists(tmpPath):
            print "no target"
            exit(-1)
            pass
        for fn in os.listdir(os.path.join(self.projectPath, 'target/')):
            if fn.endswith(".war"):
                self.fileName = fn
                break
                pass
            pass
        if self.fileName is None:
            print " no *.war"
            exit(-1)
            pass
        pass

    def package(self):
        tmpPath = self.projectPath + 'target/'

        # 解压指定的文件
        zipFile = zipfile.ZipFile(os.path.join(tmpPath, self.fileName))

        for f in zipFile.namelist():
            if f.find("classes/com") > 0:
                zipFile.extract(f, tmpPath)
                pass
            pass

        # 准备压缩文件
        zpfd = zipfile.ZipFile(tmpPath + "/WEB-INF.zip", mode='w')
        for dirpath, dirnames, filenames in os.walk(tmpPath + "/WEB-INF"):
            for filename in filenames:
                #oldFilename是相对路径或者绝对路径
                oldFilename = os.path.join(dirpath, filename)
                #zipFileName是打入压缩包中的文件路径
                zipFileName = dirpath.replace(tmpPath + "/WEB-INF\\", "") + "/" + filename
                zpfd.write(oldFilename, zipFileName)
                pass
             pass

        zpfd.close()
        pass

if __name__ == '__main__':
    auto = AutoPackage(projectPath="D:/idea/work/api/")
    # auto = AutoPackage()
    auto.check()
    auto.package()
    pass