Viewing file:  httpclient.py (1.56 KB) -rw-r--r--
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#!/usr/bin/env python
# Copyright (c) 2009 Twisted Matrix Laboratories.
# See LICENSE for details.
import sys
from pprint import pprint
from twisted import version
from twisted.python import log
from twisted.internet.defer import Deferred
from twisted.internet import reactor
from twisted.internet.protocol import Protocol
from twisted.web.iweb import UNKNOWN_LENGTH
from twisted.web.http_headers import Headers
from twisted.web.client import Agent, ResponseDone
class WriteToStdout(Protocol):
def connectionMade(self):
self.onConnLost = Deferred()
def dataReceived(self, data):
print 'Got some:', data
def connectionLost(self, reason):
if not reason.check(ResponseDone):
reason.printTraceback()
else:
print 'Response done'
self.onConnLost.callback(None)
def main(reactor, url):
userAgent = 'Twisted/%s (httpclient.py)' % (version.short(),)
agent = Agent(reactor)
d = agent.request(
'GET', url, Headers({'user-agent': [userAgent]}))
def cbResponse(response):
pprint(vars(response))
proto = WriteToStdout()
if response.length is not UNKNOWN_LENGTH:
print 'The response body will consist of', response.length, 'bytes.'
else:
print 'The response body length is unknown.'
response.deliverBody(proto)
return proto.onConnLost
d.addCallback(cbResponse)
d.addErrback(log.err)
d.addBoth(lambda ign: reactor.callWhenRunning(reactor.stop))
reactor.run()
if __name__ == '__main__':
main(reactor, *sys.argv[1:])
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