pycurl读取Response Header

#!/usr/bin/python
 
import pycurl
import sys
 
class Storage:
    def __init__(self):
        self.contents = ''
        self.line = 0
 
    def store(self, buf):
        self.line = self.line + 1
        self.contents = "%s%i: %s" % (self.contents, self.line, buf)
 
    def __str__(self):
        return self.contents
 
retrieved_body = Storage()
retrieved_headers = Storage()
c = pycurl.Curl()
c.setopt(c.URL, 'http://www.demaziere.fr/eve/')
c.setopt(c.WRITEFUNCTION, retrieved_body.store)
c.setopt(c.HEADERFUNCTION, retrieved_headers.store)
c.perform()
c.close()
print retrieved_headers
print retrieved_body