python路径操作常用方法

由于经常用python写脚本,将路径操作的一些api做了总结,方便以后查询

#!/usr/bin/python# -*- coding:UTF-8 -*-import osimport sysimport shutil# python路径操作整理# 递归遍历文件夹def listFiles(dirPath):    fileList=[]    for root,dirs,files in os.walk(dirPath):        for fileObj in files:            print fileObj    return fileList# 获取当前路径文件夹def cur_file_dir():     #获取脚本路径     path = sys.path[0]     if os.path.isdir(path):         return path     elif os.path.isfile(path):         return os.path.dirname(path)# 替换文本内容def replaceStrInfile(filepath, oldStr, newStr):    if os.path.exists(filepath) == False:        print filepath + "不存在"        sys.exit(1)    input_file = open(filepath, 'r')    lines = input_file.readlines()    content = ""    for line in lines:        if oldStr in line:            line = line.replace(oldStr, newStr)        content += line    input_file.close()    try:        out_file = open(filepath, "w")        out_file.writelines(content)        out_file.close()    except Exception, e:        print "没有权限" + filepath#path 为一个路径，输出，把path分成两部分，具体看实例：print os.path.split("abc/de.txt")#('abc', 'de.txt')print os.path.split("abc")#(", 'abc')#把文件名分成文件名称和扩展名# os.path.splitext("abc/abcd.txt")# ('abc/abcd', '.txt')#把目录名提出来print "dirName:"+os.path.dirname("user/abc")#输出为空print "def dirName:"+os.path.dirname('def')#abcprint "abc baseName:"+os.path.basename('abc')# abcprint "user/abc.txt baseName:"+os.path.basename('user/abc.txt')# abcprint os.path.basename('bcd/abc')# abc #这个需要注意不包括目录名称print ". baseName: "+os.path.basename('.')#把文件src内容拷贝到文件dst中。，目标区域必须可以写，如果dst存在，则dst被覆盖#shutil.copy("src","dst")#智能化地连接一个或多个路径组件。如果任一组件是一个绝对路径，所有前面的组件被丢弃(在print os.path.join("abc","cds.txt")print os.path.join("abc","use/cds.txt","de")# 递归拷贝文件夹def copytree(src, dst, symlinks=False):    if os.path.exists(dst):        shutil.rmtree(dst)    names = os.listdir(src)    if not os.path.isdir(dst):        os.makedirs(dst)    for name in names:        srcname = os.path.join(src, name)        dstname = os.path.join(dst, name)        if symlinks and os.path.islink(srcname):            linkto = os.readlink(srcname)            os.symlink(linkto, dstname)        elif os.path.isdir(srcname):            copytree(srcname, dstname, symlinks)        else:            shutil.copy(srcname, dstname)