Mailman 3 August 2012 - Twisted

[Twisted-Python] Buildbot downtime
by Tom Prince March 3, 2022

March 3, 2022

I am plannig to upgrade twisted's buildbot in the near future. In preperation for that, I am going to take down the production buildbot on Tuesday, June 26, around 1600 UTC[1]. During that time, the result of any builds done will be lost. Thus, I'd ask that people avoid committing to trunk during that time. I will send a reminder before I take down the buildbot both here, and on #twisted and #twisted-dev. Tom [1] http://timeanddate.com/worldclock/meetingtime.html?iso=20120626&p1=80&p2=22…

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[Twisted-Python] Twisted Python 0.7.0 Prerelease Testing
by Glyph Lefkowitz Aug. 5, 2021

Aug. 5, 2021

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. ______ __ __ _____ _ _ | ____ | \_/ |_____] |_____| |… [View More]

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May 1, 2019

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[Twisted-Python] [ANN] txZMQ released
by Andrey Smirnov July 21, 2014

July 21, 2014

Hi! I would like to announce txZMQ, ZeroMQ bindings for Twisted. txZMQ is based on pyzmq and requires recent ØMQ version (>=2.1). txZMQ uses ØMQ APIs to get file descriptor that is used to signal pending actions from ØMQ library IO thread running in separate thread. txZMQ should be usable with any Twisted reactor. ØMQ is: * The socket library that acts as a concurrency framework. * Carries messages across inproc, IPC, TCP, and multicast. * Connect N-to-N via fanout, pubsub, pipeline,… [View More]

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[Twisted-Python] regarding xml elements
by Raj kumar Oct. 2, 2013

Oct. 2, 2013

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 … [View More]

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[Twisted-Python] Get IP of connecting client in XMLRPC server
by Remy C. Cool April 28, 2013

April 28, 2013

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 … [View More]

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[Twisted-Python] GSoC 2012 Project, TwistedChecker
by Raphael Shu Nov. 29, 2012

Nov. 29, 2012

Hi everyone, I'm a student of GSoC 2012, from University of Tsukuba, Japan. I'm glad to be selected as a practicer in Twisted project this year. Then in these serveral months, my project is to create a code standard checker for Twisted, Basically, I will follow "Twisted Coding Standard", it can be found at: http://twistedmatrix.com/trac/browser/trunk/doc/core/development/policy/cod… I hope finally this project could be integrated into our main ticket system, so it would automatically … [View More]

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[Twisted-Python] tap2deb problem with building package
by Klaudiusz Staniek Sept. 4, 2012

Sept. 4, 2012

Hi when I try to build the deb package I'm getting the error message: cp: cannot create regular file `debian/tmp/etc/': No such file or directory What is wrong? See below output: Cheers, Klaudiusz tap2deb --unsigned -m "Klaudiusz Staniek <kstaniek(a)gmail.com>" --type=python -t xplhub.tac dpkg-buildpackage: set CFLAGS to default value: -g -O2 dpkg-buildpackage: set CPPFLAGS to default value: dpkg-buildpackage: set LDFLAGS to default value: -Wl,-Bsymbolic-functions dpkg-buildpackage: … [View More]

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[Twisted-Python] Using Deferred.called to distinguish between synchronous and asynchronous result
by Maciej Wasilak Aug. 30, 2012

Aug. 30, 2012

Hello, I am implementing UDP-based protocol in Twisted (CoAP) which allows two behaviors when answering requests: 1. If response is immediately available - send acknowledgement and response in a single datagram (piggyback response) 2. If response needs to be fetched or prepared - send datagram with acknowledgement, and then send another datagram with a response (separate response) (I think behavior #1 is called synchronous in most Twisted tutorials, and behavior #2 is called asynchronous.) … [View More]

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[Twisted-Python] Switching Protocols and TLS
by Tobias Oberstein Aug. 29, 2012

Aug. 29, 2012

Hello, I am running a Twisted Web Site object that switches the protocol for specific paths. The goal is to run Twisted Web, and have certain paths mapped to WebSocket. I am aware of http://twistedmatrix.com/trac/ticket/3204 but in the meantime have working code https://github.com/tavendo/AutobahnPython/blob/master/autobahn/autobahn/res… This works for non-TLS, but not for TLS. This works perfectly: https://github.com/tavendo/AutobahnPython/tree/master/examples/websocket/ec… and … [View More]

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[Twisted-Python] Twisted 12.2.0pre1 is here!
by Ashwini Oruganti Aug. 27, 2012

Aug. 27, 2012

The pre-release for the upcoming Twisted 12.2 is now available! You can download the tarballs here: http://twistedmatrix.com/~ashfall/12.2.0pre1/ Highlights for this release include: * To be able to work on Python3 support, Python 2.5 is no longer supported. * twisted.mail.imap4 now serves BODYSTRUCTURE responses which provide more information and conform to the IMAP4 RFC more closely. * twisted.conch now supports commercial SSH implementations which don't comply with the IETF … [View More]

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[Twisted-Python] Weekly Bug Summary
by exarkun＠twistedmatrix.com Aug. 26, 2012

Aug. 26, 2012

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[Twisted-Python] Twisted IPv6 + SSL - fixed, or todo?
by Erik Forsberg Aug. 24, 2012

Aug. 24, 2012

Hi! http://twistedmatrix.com/trac/wiki/IPv6 mentions: "SSL (but this might be automatic when IReactorTCP supports it)" IReactorTCP now has IPv6 support, so did twisted get SSL + IPv6 support automatically? It seems to me from twisted.internet.endpoints that there's work to do there (there's SSL4ServerEndpoint and SSL4ClientEndpoint, but no SSL6ServerEndpoint/SSL6ClientEndpoint). My use case is to be able to connect to https servers over IPv6 with twisted.web.client.Agent. Can I do that? … [View More]

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[Twisted-Python] twisted.cred documentation bug?
by Matthew Pounsett Aug. 22, 2012

Aug. 22, 2012

I've been reading the cred docs, and think I may have spotted a typo. Near the end of <http://twistedmatrix.com/documents/current/core/howto/cred.html>, in the code sample describing creating a cred plugin's factory, there is this method: # This will be called once per command-line. def generateChecker(self, argstring=""): argdict = dict((x.split('=') for x in argstring.split(':'))) return SpecialChecker(**dict) I think that return should actually be for **argdict, yes?

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[Twisted-Python] transport.getPeerCertificate in connectionMade
by Phil Mayers Aug. 21, 2012

Aug. 21, 2012

All, It's been my observation that this code: class MyProto(protocol.Protocol): def connectionMade(self): print self.transport.getPeerCertificate() self.transport.loseConnection() class MyFactory(protocol.ClientFactory): def buildProtocol(self, addr): return MyProto() def main(): factory = MyFactory() ctxfact = ssl.ClientContextFactory() reactor.connectSSL(host, port, factory, ctxfact) reactor.run() ...will print "None". It seems that connectSSL calls … [View More]

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[Twisted-Python] To those who are about to sprint
by Itamar Turner-Trauring Aug. 20, 2012

Aug. 20, 2012

Last sprint the buildbot got overwhelmed with a giant backlog of runs and became essentially useless for the duration of the sprint. Jean-Paul had two suggestions: 1. Don't commit to trunk during the sprint, even if your branch was approved; wait until the sprint is over so trunk commits are spread out. 2. If you're just doing some initial cross-platform testing using force-builds.py, use the command line option that lets you run only some of the tests (e.g. "twisted.web" or "… [View More]

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[Twisted-Python] Weekly Bug Summary
by exarkun＠twistedmatrix.com Aug. 19, 2012

Aug. 19, 2012

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[Twisted-Python] Running and supervising twistd daemons
by Laurens Van Houtven Aug. 18, 2012

Aug. 18, 2012

Hi, What's the nicest way to run and supervise a twistd daemon? I hear good things about systemd, but I can't figure out if it's PR or actual awesome new tech. It's not impossible to get on Debian, but certainly not the default (and IIUC not even in stable yet). While I understand how it's great for desktops, I'm trying to run a server. I don't really see how faster boot-up or socket-based activation really helps me there, certainly not up to the point where it warrants the apparent extra … [View More]

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[Twisted-Python] How to deal with deferreds across several layers of namespaces?
by Idlecore Aug. 18, 2012

Aug. 18, 2012

I have a protocol that calls code that spans several namespaces. At any of these namespaces there might be a deferred waiting to be called. The protocol can be disconnected at any time and I currently don't have a clean way to cancel all the potential deferreds from within the protocol. Will the protocol stick around long enough after disconnection for the deferreds to eventually be called? Should I create a central deferred list, at the cost of having to access it through several layers of … [View More]

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[Twisted-Python] Using StandardIO and pipes.
by Maxim Lacrima Aug. 15, 2012

Aug. 15, 2012

Hello! I am very new to Twisted and I have some problems using stdin.StandardIO. Here is the code: # item.py file from twisted.internet import reactor, stdio from twisted.protocols import basic from storage import Item class EchoItemProtocol(basic.LineReceiver): delimiter = '\n' def lineReceived(self, item_id): # Item.get returns a deferred d = Item.get(item_id) def writeResponse(item): self.transport.write(str(item) + '\n') d.addCallback(… [View More]

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[Twisted-Python] JOB OPENING Python, Twisted, Javascript
by John Spencer Aug. 14, 2012

Aug. 14, 2012

We have a client here in MA looking for a Sr or Prin level consultant with a strong background in Python and Javascript. Experience with Twisted is a plus as is any Dojo experience. Work must be done on site and must be able to interview in person as well. Please call or email me with any questions or send me a Word version of your resume for consideration. You resume will never be sent anywhere without your prior approval. Regards, John Spencer Connected Systems Partners Connecting Top … [View More]

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[Twisted-Python] About CONNECT method and Proxy HTTPS
by Román Ramírez Aug. 14, 2012

Aug. 14, 2012

Hello all, This is my first email in this list so thanks everyone in advance and Hello :) I have a quick question about the Proxy class and the CONNECT method (for tunneling SSL). I've already solved the certificate issues as I use a fixed *.testdomain.com certificare for my service. What I cannot manage to solve is how to manage the real request after setting up the tunnel. Let me explain, whenever a browser wants to tunnel through a Proxy it will take these steps: 1. Send a CONNECT host:… [View More]

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[Twisted-Python] Weekly Bug Summary
by exarkun＠twistedmatrix.com Aug. 12, 2012

Aug. 12, 2012

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[Twisted-Python] IUnicodeUsernamePassword?
by Laurens Van Houtven Aug. 8, 2012

Aug. 8, 2012

Hi, Adding t.conch's ssh manhole (any third party IUsernamePassword provider would've done, really) to my app recently uncovered some unicode handling issues and I'm wondering what the appropriate way to resolve them is. In my API (AMP) there is a: - e-mail which is unicode - password which is unicode In my store (Axiom), there is a: - uid (unique user identifier, think UUID) which is bytes - e-mail which is unicode - password which is bytes, because it's the output of … [View More]

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[Twisted-Python] twisted server config: command line, environment or Axiom?
by Laurens Van Houtven Aug. 8, 2012

Aug. 8, 2012

Hi, I have a bunch of configuration for my service. Things like endpoints, location of the root axiom store… Right now I grab these from the environment. That means that my twistd IServiceMaker plugin's options is pretty much by definition empty. I'm wondering if more mature twistd users have already learned the hard way what the best way to manage this is. I see three possible solutions: 1. environment variables as I use them now: portable, simple. 2. command line options: still pretty … [View More]

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