代码语言：javascript复制
#!/bin/python
#coding:utf-8
def wget(url,new_name=""):
'''
wget封装，需提供下载地址，新文件名参数可省略
'''
try:
file_name = url[url.rfind("/") 1:]
if new_name == "":
new_name = file_name
fp = urllib.urlopen(url)
py_ver = sys.version[:3]
if fp.getcode() != 200:
raise NameError,'%s not exist.'%file_name
buf_len = 2048
f = open(new_name,'wb')
size = 0
while 1:
s = fp.read(buf_len)
if not s:
break
f.write(s)
size = len(s)
fp.close()
f.flose()
print "%s success"%url
except Exception,e:
print Exception,":",e
