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I'm looking to help an open source project with Python.
As far as I could tell, Twisted doesn't didn't support sending and receiving gzip information with HTTP (as of 2011).
http://twistedmatrix.com/trac/ticket/104
Google seems to confirm it, since I couldn't find any mention of it the documentation. My question is whether I'm right about this, or if this has changed? Alternatively, is it actually useful to anyone? I guess there's a reason it hasn't been implemented yet.
Sorry if this isn't the right place to ask...
520
From the documentation for EncodingResourceWrapper:
Note that the returned children resources won't be wrapped, so you have to explicitly wrap them if you want the encoding to be applied.
So if a Resource implements getChild, then you need to wrap that resource as well.
For example:
from twisted.web.server import Site, GzipEncoderFactory
from twisted.web.resource import EncodingResourceWrapper
from twisted.web import static
from twisted.internet import reactor
from twisted.python import log
import sys
log.startLogging(sys.stdout)
class WebServer(static.File):
def getChild(self, path, request):
child = static.File.getChild(self, path, request)
return EncodingResourceWrapper(child, [GzipEncoderFactory()])
resource = WebServer('/tmp')
site = Site(resource)
reactor.listenTCP(8080, site)
reactor.run()
you can test it with netcat:
printf 'GET / HTTP/1.1\r\nHost: localhost\r\nAccept-Encoding: gzip,deflate\r\nConnection: close\r\n\r\n' | nc localhost 8080
This is now possible using Resource Encoders. Quoting from that link:
from twisted.web.server import Site, GzipEncoderFactory
from twisted.web.resource import Resource, EncodingResourceWrapper
from twisted.internet import reactor
class Simple(Resource):
isLeaf = True
def render_GET(self, request):
return "<html>Hello, world!</html>"
resource = Simple()
wrapped = EncodingResourceWrapper(resource, [GzipEncoderFactory()])
site = Site(wrapped)
reactor.listenTCP(8080, site)
reactor.run()
See the link for more information. The ticket in the question is now closed as well.
6
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