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| 1 # Copyright (c) 2001-2004 Twisted Matrix Laboratories. | |
| 2 # See LICENSE for details. | |
| 3 | |
| 4 # | |
| 5 # Author: Clark Evans (cce@clarkevans.com) | |
| 6 | |
| 7 """ flow.web | |
| 8 | |
| 9 This contains wrappers to apply flow to components in twisted.web.* | |
| 10 | |
| 11 """ | |
| 12 from controller import Deferred | |
| 13 from twisted.web import resource, server | |
| 14 from twisted.python.failure import Failure | |
| 15 | |
| 16 class Resource(resource.Resource): | |
| 17 """ | |
| 18 A resource which uses flow in its page generation. | |
| 19 | |
| 20 Use it like this:: | |
| 21 | |
| 22 from __future__ import generators | |
| 23 from twisted.flow import flow | |
| 24 | |
| 25 def render(req): | |
| 26 req.write("<html><head><title>Delayed</title></head>") | |
| 27 req.write("<body><h1>Delayed WebPage</h1>") | |
| 28 yield flow.Cooperate(5) | |
| 29 req.write("<p>Delayed Content</p></body></html>") | |
| 30 | |
| 31 if __name__=='__main__': | |
| 32 from twisted.internet import reactor | |
| 33 from twisted.web.server import Site | |
| 34 from twisted.flow.web import Resource | |
| 35 print "visit http://localhost:8081/ to view" | |
| 36 reactor.listenTCP(8081,Site(Resource(render))) | |
| 37 reactor.run() | |
| 38 """ | |
| 39 def __init__(self, gen): | |
| 40 resource.Resource.__init__(self) | |
| 41 self.gen = gen | |
| 42 | |
| 43 def isLeaf(self): | |
| 44 return true | |
| 45 | |
| 46 def render(self, req): | |
| 47 self.d = Deferred(self.gen(req)) | |
| 48 self.d.addErrback(lambda fail: fail.printTraceback()) | |
| 49 self.d.addBoth(lambda ret: req.finish() or ret) | |
| 50 return server.NOT_DONE_YET | |
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Chromium Code Reviews
Issue 12261012:
Remove third_party/twisted_8_1 (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/tools/build