Mailman 3 November 2009 - Twisted

[Twisted-Python] Twisted Python 0.7.0 Prerelease Testing
by Glyph Lefkowitz 06 Aug '21

06 Aug '21

hi there, folks: I'd really like to release 0.7.0 but I would like it to be at least a little bit tested before I do so. Could those of you with CVS trees check everything out and see if it performs as advertised? Deeper bugs than that will have to wait for the next release, but I'd at least like to know if it works for someone other than me. Thanks. ______ __ __ _____ _ _ | ____ | \_/ |_____] |_____| |_____| |_____ | | | | @ t w i s t e d m a t r i x . c o m http://www.twistedmatrix.com/~glyph/

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01 May '19

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[Twisted-Python] regarding xml elements
by Raj kumar 03 Oct '13

03 Oct '13

Hi, I have an xml file in my application, I have created an element using Example goes like this......... document.createElement("abc") and i appeneded it by using append() method. But how i can reflect this change to my xml file? and one more thing is i want to create element with some other parameters.... like............. <abc m=" " n=" "> </abc> and i have m and n values as strings with me. can anybody help me to create this element and write it to the existing xml file as a child of an existing element? Thanks in advance.. Raj.. Forgot the famous last words? Access your message archive online at http://in.messenger.yahoo.com/webmessengerpromo.php

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[Twisted-Python] Get IP of connecting client in XMLRPC server
by Remy C. Cool 28 Apr '13

28 Apr '13

Hello, On 18 May 2004, the following message was posted to this mailinglist: Jp Calderone exarkun at divmod.com wrote: >Daniel Newton wrote: > > I have a simple XML-PRC server similar to the example below: > > from twisted.web import xmlrpc, server > > class Example(xmlrpc.XMLRPC): > """An example object to be published.""" > > def xmlrpc_add(self, a, b): > """Return sum of arguments.""" > return a + b def xmlrpc_whatIsMyAddress(self): return self.transport.getPeer().host > > if __name__ == '__main__': > from twisted.internet import reactor > r = Example() > reactor.listenTCP(7080, server.Site(r)) > reactor.run() > > I want to be able to get the address of the client that calls the xmlrpc > method can anyone help me with this? This solution didn't work because 'transport' isn't a property of the Example class. I'm currently in the process of changing from a customized SimpleXMLRPCServer to a twisted XMLRPC server solution and I need to insert the client IP into the attributes passed to the called xmlrpc method. Anyone who knows the answer and is willing to share the info? Regards, Remy

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[Twisted-Python] http.Request and JSON
by Vincent Gulinao 26 Jan '12

26 Jan '12

How do you read JSON content from a POST using http.Request. I peeked on args and it's empty. TIA.

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[Twisted-Python] Lore to Sphinx Conversion Progress Report
by Kevin Horn 04 Dec '09

04 Dec '09

The previous thread was getting a little long, so I thought I'd start a new one... I haven't made as much headway on this as I would have liked, but I'm just going to blame the US Thanksgiving holiday and hope no one looks too closely at the dates of the previous emails. ;) Here's what I've done lately: - The proposal [1] has been updated, with a number of minor spelling formatting fixes, and a detailed timeline for each phase of the project. Please give feedback if you see anything missing from the timelines, anything you think should be done in a different order, or any other unaddressed issues. - I've done a small amount of work on the lore2sphinx tool, and the new output of the conversion process is now online [2]. Not a lot changes, the only obviosu thing is that <img> tags are now handled. The rest has been mostly refactoring and generally making the code easier to work with. - I also did a bit of digging around in the Divmod SVN repository, and it looks like Nevow, Mantissa, and Epsilon are the only projects that have Lore source docs. Can anyone out there verify that this is correct? Did I miss anything? I'll try to send out a progress report like this every week or so in order to avoid people thinking that I've lost interest or gotten hit by a bus. Thanks for "listening"! Kevin Horn [1] http://twistedsphinx.funsize.net/proposal.html [2] http://twistedsphinx.funsize.net/index.html

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[Twisted-Python] is there way to baypass value limit of 64kb in twisted.protocols.amp
by MārisR 02 Dec '09

02 Dec '09

Hello! I'm currently trying to figure out, how to bypass amp value limit of 64kb. First tought was to split string into chunks <64kb, then join before processing. Problem is, how to dinamicaly generate amp.Command argument list. Maybe there is other well known method how to achieve this? Thank You!

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[Twisted-Python] Way to fix memory leaks of external c module
by MārisR 01 Dec '09

01 Dec '09

Hello! Currently I'm trying to write small xmlrpc server for html data processing. Processing is done by html tidy lib, but the problem is that it has massive memory leak. As processing is blocking operation I'm running it in thread, but after some time and huge html document processing daemon eats all memory. I wondering if its possible to load utidylib in thread, do processing and after this kill thread and release memory? Or maybe something like deferToProcess? Thanks in advance! #!/usr/bin/env python # -*- coding: utf-8 -*- import utidylib from twisted.internet import epollreactor epollreactor.install() from twisted.internet import protocol, defer, threads, reactor from twisted.web import xmlrpc, server from twisted.python import log, threadpool import sys reload(sys) sys.setdefaultencoding('utf-8') log.startLogging(sys.stdout) import codecs import gc gc.enable() gc.set_debug(gc.DEBUG_LEAK) gc.set_threshold(1) class TidyProtocol(xmlrpc.XMLRPC): def xmlrpc_tidify(self, data): defered = threads.deferToThread(self.tidyParse, data) defered.addCallback(self.returnToClient) return defered def tidyParse(self, data): options = { 'drop-proprietary-attributes': '1', 'output-xhtml': '1', 'wrap': '0', 'bare': '0', 'clean': '1', 'doctype': 'omit', 'show-body-only': '1', 'word-2000': '0', 'escape-cdata': '0', 'hide-comments': '1', 'force-output': '1', 'alt-text': '', 'show-errors': '0', 'show-warnings': '0', 'tidy-mark': '0', 'char-encoding': 'utf8', } if data['html'] == None: return None else: htmldata = data['html'].encode() print "Tidy start" return tidy.parseString(htmldata, **options) def returnToClient(self, data): gc.collect() print "Tidy end, retunring result" return data if __name__ == '__main__': r = TidyProtocol() reactor.listenTCP(1100, server.Site(r)) reactor.run()

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[Twisted-Python] Weekly Bug Summary
by exarkun＠twistedmatrix.com 29 Nov '09

29 Nov '09

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[Twisted-Python] Transfering a transport between DatagramProtocols
by Olivier Parisy 29 Nov '09

29 Nov '09

I am implementing a protocol where a DatagramProtocol "handshaking" subclass get an arbitrary port (by calling "self.udpPort = reactor.listenUDP(0, self)") and communicate it to a remote host. Once this is done, I would like to "switch" to another DatagramProtocol which would use the same port. To avoid a race condition, I would like to "transfert" self.transport from the first DatagramProtocol to the second without calling self.udpPort.stopListening(). Is this the "twisted" way to analyse this? Or should I use some kind of "proxy" DatagramProtocol which would relay datagramReceived calls to the proper DatagramProtocol, depending on the current protocol state (handshaking or data exchange)? Regards.

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