#! encoding:UTF-8import cairosvgimport os loop = Truewhile loop:    svgDir = raw_input("請輸入SVG文件目錄")    if os.path.exists(svgDir) and os.path.isdir(svgDir):        loop = False    else:        print "錯誤：您輸入的SVG文件目錄不存在或者不是一個有效的目錄，請重新輸入" loop = Truewhile loop:    exportDir = raw_input("請輸入導出目錄")    if os.path.exists(exportDir):        loop = False    else:        print "錯誤：您輸入的導出目錄[" , exportDir  , "] 不存在，是否要創建這個目錄？"        loops = True             while loops:            msg = ""            cmd = raw_input("創建 (Y) 重新 (R)")            if cmd.upper() == "R":                loops = False            elif cmd.upper() == "Y":                os.makedirs(exportDir, True)                if os.path.exists(exportDir):                    loop = False                    loops = False                else:                    print "創建目錄失敗[",exportDir,"]， 請重新輸入"            else:                print "找不到您輸入的命令，請重新輸入"              cate = ("png", "pdf")print "導出類型："for i in cate:    print i     loop = Truewhile loop:    exportFormat = raw_input("請輸入導出類型")    if exportFormat.lower() in cate:        loop = False    else:        print "您輸入的類型不存在，請重新輸入" def export(fromDir, targetDir, exportType):    print "開始執行轉換命令..."    files = os.listdir(fromDir)    num = 0    for fileName in files:        path = os.path.join(fromDir,fileName)        if os.path.isfile(path) and fileName[-3:] == "svg":            num += 1            fileHandle = open(path)            svg = fileHandle.read()            fileHandle.close()            exportPath = os.path.join(targetDir, fileName[:-3] + exportType)            exportFileHandle = open(exportPath,'w')                         if exportType == "png":                cairosvg.svg2png(bytestring=svg, write_to=exportPath)            elif exportType == "pdf":                cairosvg.svg2pdf(bytestring=svg, write_to=exportPath)                             exportFileHandle.close()            print "Success Export ", exportType, " -> " , exportPath         print "已導出 ", num, "個文件"export(svgDir, exportDir, exportFormat)