#! /usr/bin/env python import asyncore, socket, sys class http_client(asyncore.dispatcher): def __init__(self, host, path): asyncore.dispatcher.__init__(self) self.create_socket(socket.AF_INET, socket.SOCK_STREAM) self.connect( (host, 80) ) self.buffer = 'GET %s HTTP/1.0\r\n\r\n' % path def handle_connect(self): pass def handle_close(self): self.close() def handle_read(self): a = self.recv(8192) if len(a): print len(a), ' ', sys.stdout.flush() def writable(self): return (len(self.buffer) > 0) def handle_write(self): sent = self.send(self.buffer) self.buffer = self.buffer[sent:] a = dict((cl, cl) for cl in [http_client('www.python.org', '/') for _ in xrange(10)]) #asyncore.loop(timeout=0.1, use_poll=True, map=a) # always hangs up #asyncore.loop(timeout=0.1, use_poll=True) # works fine