Mailman 3 January 2016 - Twisted

[Twisted-Python] Buildbot downtime
by Tom Prince 03 Mar '22

03 Mar '22

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 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] How to get the class of the wrapped fget/fset property methods
by Adi Roiban 16 Mar '16

16 Mar '16

The @deprecated decorator (at leas on py2.7) does not work when paired @property For deprecated instance variables, our deprecation policy recommend converting them into properties and emitted the warning from there. It would be nice if we could use the standard @deprecated decorator here. The problem is that when property are used the fget/fset are received by the @deprecated wrapper as functions and not as methods Is there a way to get the class in which a property is defined... or there is no way to use the @deprecated decorator with the @property .. and we should create a dedicated deprecatedMember method which is called as a normal method. Thanks! -- Adi Roiban

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[Twisted-Python] news file confusion
by Glyph Lefkowitz 25 Jan '16

25 Jan '16

It looks like both https://github.com/twisted/newsbuilder/ and https://github.com/hawkowl/towncrier/ are extractions of the news-builder functionality in our release module. If "towncrier" is the official name, we should probably move that to the twisted org. Also, does anyone feel like doing the work to remove the newsbuilder (IIRC, entirely private API, so no deprecation) and migrating our release process to use towncrier? -glyph

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[Twisted-Python] Help with log
by a＠runtel.ru 25 Jan '16

25 Jan '16

Hi All! Tell me how to wait for the start of the log on twistd. When I start twistd - i see print out in log in stdout. log.msg("123") now work. from twisted.application.service import Application from twisted.python.log import ILogObserver, FileLogObserver from twisted.python.logfile import DailyLogFile # from twisted.python import log from raspberry.raspberry import Raspberry from raspberry.config import config application = Application("raspberry") logfile = DailyLogFile(config["log_file"], config["log_path"]) application.setComponent(ILogObserver, FileLogObserver(logfile).emit) runner = Raspberry(application, config) runner.run() Thanks!

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[Twisted-Python] pywin32 -> cffi update and feedback request
by Oliver Palmer 24 Jan '16

24 Jan '16

So expanding on the "Should the CFFI wrapper and functions for win32 be a separate project" thread from six months ago I think I'd like some feedback. The pywincffi <https://github.com/opalmer/pywincffi> project, which I'm planning to use to start replacing pywin32 in Twisted, is getting close to its first release. At this point there's enough code in place that it could probably be used to replace pywin32 in twisted.python.lockfile and other parts of pywin32 in Twisted. Before proposing any patches however, I'd like to take this opportunity to welcome feedback from people on this list. Although pywincffi will not be a 'Twisted project' Twisted will be the primary consumer of pywincffi so I'd like to make sure developers here are happy with the direction that has been taken. For some background, the core objectives and intended design features are below (nothing all that special mostly): * It should be easy to build and retrieve the binary files (wheels for now, easy to add more later). * Python 2.6, 2.7 and 3.x are supported from a single code base. * Type conversion, error checking and other 'C like' code should be the responsibility of the library where possible. * APIs provided by pywincffi should mirror their Windows counterparts as closely as possible so the MSDN documentation can be more easily used as reference. * For contributors, it should be possible to work on any platform. It should also be possible to contribute without having to manually build a VM. * For consumers, documentation and error messages should be descriptive, consistent, complete and accessible. Examples should be provided for more complex use cases. >From a functionality and design standpoint, I think the above are more or less achieved and can be maintained going forward. With that in mind, I'd like to know if anyone here has other ideas that they believe should be incorporated. Of course if anyone happens to look at the code and find functional issues with it now would be a good time to address those issues too. Thanks in advance for the help! ---Oliver

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[Twisted-Python] code of conduct
by Glyph Lefkowitz 21 Jan '16

21 Jan '16

As per previous discussion on this list, the Twisted project has officially adopted the Contributor Covenant as our code of conduct. The official change took place here: https://twistedmatrix.com/trac/ticket/8173#comment:5 <https://twistedmatrix.com/trac/ticket/8173#comment:5> and you can find out more about the Contributor Covenant here: http://contributor-covenant.org <http://contributor-covenant.org/>. Thanks to everyone who helped figure out which policy to adopt and how to administer it. Discussion of this sort of thing is often contentious, so I would just like to personally ask anyone who disagrees with either codes of conduct in general or this specific code of conduct to keep their feelings to themselves at this point; the time for discussion has passed. I don't do a lot of unilateral project-leader-y stuff, but it is extremely important to me that Twisted be a friendly place for everyone, and this is a necessary part of that. -glyph

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[Twisted-Python] Kafka Client
by Jason J. W. Williams 18 Jan '16

18 Jan '16

Hey, Is anyone use Kafka successfully with Twisted? So far it looks like there's only synchronous python clients: https://github.com/Parsely/pykafka https://github.com/dpkp/kafka-python Any input is greatly appreciated. -J

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[Twisted-Python] Stdout from child of ProcessProtocol not propogating
by Jim Carroll 14 Jan '16

14 Jan '16

We've been experimenting with creating an SSH virtual server for Windows based on conch. We've made good process, but we've run into a problem running child processes (children of spawnProcess()), in that stdout does not make it back to the client. I can demonstrate the problem using the example ptyserv.py script with a slight change for Windows. Here's the code to demonstrate the problem: from twisted.internet import reactor, protocol class FakeTelnet(protocol.Protocol): commandToRun = ['c:\\Windows\\System32\\cmd.exe'] def connectionMade(self): print 'connection made' self.propro = ProcessProtocol(self) reactor.spawnProcess(self.propro, self.commandToRun[0], self.commandToRun, os.environ) def dataReceived(self, data): self.propro.transport.write(data) def conectionLost(self, reason): print 'connection lost' self.propro.tranport.loseConnection() class ProcessProtocol(protocol.ProcessProtocol): def __init__(self, pr): self.pr = pr def outReceived(self, data): self.pr.transport.write(data) def processEnded(self, reason): print 'protocol connection lost' self.pr.transport.loseConnection() f = protocol.Factory() f.protocol = FakeTelnet reactor.listenTCP(5823, f) reactor.run() Run the above code on Windows, and telnet to localhost 5823. After you get the CMD.exe prompt, try to launch python. This is what you'll see: Microsoft Windows [Version 6.3.9600] (c) 2013 Microsoft Corporation. All rights reserved. C:\Temp>python python That's it. Hitting enter just drops down to another next blank line. Now what's interesting is that writes to stdin of the spawned CMD.exe get there. You can see this by pressing <CTRL>-D. The python subprocess will exit and you'll still be connected to your telnet session, now back at the CMD.exe prompt. I've experimented with modifying twisted.internet._dumbwin32proc.py so that the DuplicateHandle() calls (lines 147 - 163) are not called, thinking that inheritance was the cause, but no-go. I've also tried adding calls to msvcrt.set_mode() to os.O_BINARY to make sure windows isn't somehow cooking the child processes output, but that had no effect either. I've been banging my head against this for a week and I've reached a stuck point. I was wondering if someone could point me towards where I'm going wrong. Any advice would be appreciated.... FYI - once we get this worked out, we'd be happy to share the code. Thanks Jim C.

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