httplib源码分析及incompleteread异常解决方案

s = []  
       while amt > 0:  
           chunk = self.fp.read(min(amt, MAXAMOUNT))  
           if not chunk:  
               #raise IncompleteRead(s)  
               return ''.join(s)  
           s.append(chunk)  
           amt -= len(chunk)  
       return ''.join(s)

def patch_http_response_read(func):  
    def inner(*args):  
        try:  
            return func(*args)  
        except IncompleteRead, e:  
            return ''.join(e.partial)  
    return inner  
HTTPResponse.read = patch_http_response_read(HTTPResponse.read)