Mailman 3 January 2010 - Twisted

[Twisted-Python] Twisted Python 0.7.0 Prerelease Testing
by Glyph Lefkowitz 05 Aug '21

05 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 02 Oct '13

02 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 25 Jan '12

25 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] Many connections and TIME_WAIT
by Donal McMullan 22 Feb '10

22 Feb '10

I've been prototyping a client that connects to thousands of servers and calls some method. It's not real important to me at this stage whether that's via xmlrpc, perspective broker, or something else. What seems to happen on the client machine is that each network connection that gets opened and then closed goes into a TIME_WAIT state, and eventually there are so many connections in that state that it's impossible to create any more. I'm keeping an eye on the output of netstat -an | wc -l Initially I've got 569 entries there. When I run my test client, that ramps up really quickly and peaks at about 2824. At that point, the client reports a callRemoteFailure: callRemoteFailure [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionLost'>: Connection to the other side was lost in a non-clean fashion: Connection lost. Increasing the file descriptor limits doesn't seem to have any effect on this. Is there an established Twisted sanctioned canonical way to free up this resource? Or am I doing something wrong? I'm looking into tweaking SO_REUSEADDR and SO_LINGER - that sound sane? Just tapping the lazywebs to see if anyone's already seen this in the wild. Thanks guys Donal

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[Twisted-Python] PyCon 2010 Twisted Sprint
by exarkun＠twistedmatrix.com 08 Feb '10

08 Feb '10

Hi all, If there are enough interested people, there will be a Twisted sprint at PyCon this year. If you'll be at PyCon and are interested in sprinting on some Twisted topic, give a shout. Also, let us know what specific topics you're interested in so we can let other people know what to expect in the general announcement. Jean-Paul

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Re: [Twisted-Python] understanding deferreds
by Terry Jones 02 Feb '10

02 Feb '10

>>>>> "Michael" == Michael P Soulier <msoulier(a)digitaltorque.ca> writes: Michael> I'm a bit confused as to the "visual explanation". It seems like Michael> if you have a single callback and errback, that if the errback Michael> wants to swallow the error, the callback will not be called at Michael> all, since deferred processing will look for the second callback Michael> at that point by the diagram. Michael> So, right now I'm calling my own callback from the errback if I Michael> want to swallow the error. Is there a better way? Yes. Add the errback to the deferred and then add the callback. d = somethingReturningADeferred() d.addErrback(cleanup) d.addCallback(dealWithResult) If cleanup doesn't return the failure object it's passed or raise some an exception, processing will pass to dealWithResult. Note that dealWithResult will get as an argument whatever cleanup returns (that means None if cleanup doesn't explicitly return something). You're thinking about this in the right way. Understanding the difference between the above and d = somethingReturningADeferred() d.addCallbacks(dealWithResult, cleanup) is important. Terry

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[Twisted-Python] Weekly Bug Summary
by exarkun＠twistedmatrix.com 31 Jan '10

31 Jan '10

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Re: [Twisted-Python] exarkun changed [#3078 - Dynamic ZSH tab completion for any commands using t.p.usage]
by Eric Mangold 29 Jan '10

29 Jan '10

top o' the mornin' to all willfix. need a few days yet, but i'll correct the outstanding issues, forward-merge my branch, and try to cross every T and dot every I and maybe someone will just unmerge the whole thing for me in the mean-time. On Fri, Jan 29, 2010 at 8:31 AM, <trac(a)twistedmatrix.com> wrote: > Ticket [#3078 - Dynamic ZSH tab completion for any commands using t.p.usage] changed by exarkun <exarkun(a)twistedmatrix.com>: > > `twisted/python/zshcomp.py` no longer works in trunk. > > --------- > > --------- > http://twistedmatrix.com/trac/ticket/3078 >

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