def write(self, output):
# Called in application thread
from twisted.internet import reactor
if self.response is None:
raise RuntimeError(
"Application didn't call startResponse before writing data!")
if not self.headersSent:
self.stream=self.response.stream=stream.ProducerStream()
self.headersSent = True
# threadsafe event object to communicate paused state.
self.unpaused = threading.Event()
# After this, we cannot touch self.response from this
# thread any more
def _start():
# Called in IO thread
self.stream.registerProducer(self, True)
self.__callback()
# Notify application thread to start writing
self.unpaused.set()
reactor.callFromThread(_start)
# Wait for unpaused to be true
self.unpaused.wait()
reactor.callFromThread(self.stream.write, output)
def __init__(self, request):
from ipython1.external.twisted.web2 import http
components.Componentized.__init__(self)
self.request = request
self.response = http.Response(stream=stream.ProducerStream())
# This deferred will be fired by the first call to write on OldRequestAdapter
# and will cause the headers to be output.
self.deferredResponse = defer.Deferred()
def writeAll(self, result):
# Called in application thread
from twisted.internet import reactor
if not self.headersSent:
if self.response is None:
raise RuntimeError(
"Application didn't call startResponse before writing data!")
l = 0
for item in result:
l += len(item)
self.response.stream=stream.ProducerStream(length=l)
self.response.stream.buffer = list(result)
self.response.stream.finish()
reactor.callFromThread(self.__callback)
else:
# Has already been started, cannot replace the stream
def _write():
# Called in IO thread
for s in result:
self.stream.write(s)
self.stream.finish()
reactor.callFromThread(_write)
def __init__(self, request, deferred):
self.request = request
self.deferred = deferred
self.stream = stream.ProducerStream()
self.response = http.Response(stream=self.stream)
def createRequest(self):
self.stream = stream_mod.ProducerStream(self.length)
self.response = http.Response(self.code, self.inHeaders, self.stream)
self.stream.registerProducer(self, True)
del self.inHeaders