需要提前安装cairosvg模块，下载地址http://cairosvg.org/download/
代码
#! encoding:UTF-8
import cairosvg
import os
loop = True
while loop:
svgDir = raw_input("请输入SVG文件目录")
if os.path.exists(svgDir) and os.path.isdir(svgDir):
loop = False
else:
print "错误：您输入的SVG文件目录不存在或者不是一个有效的目录，请重新输入"
loop = True
while loop:
exportDir = raw_input("请输入导出目录")
if os.path.exists(exportDir):
loop = False
else:
print "错误：您输入的导出目录[" , exportDir , "] 不存在，是否要创建这个目录？"
loops = True
while loops:
msg = ""
cmd = raw_input("创建 (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 "创建目录失败[",exportDir,"]， 请重新输入"
else:
print "找不到您输入的命令，请重新输入"
cate = ("png", "pdf")
print "导出类型："
for i in cate:
print i
loop = True
while loop:
exportFormat = raw_input("请输入导出类型")
if exportFormat.lower() in cate:
loop = False
else:
print "您输入的类型不存在，请重新输入"
def export(fromDir, targetDir, exportType):
print "开始执行转换命令..."
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 "已导出 ", num, "个文件"
export(svgDir, exportDir, exportFormat)
...
