Mailman 3 September 2006 - Twisted

Re: [Twisted-Python] Twisted & Qt
by Ed Suominen 30 Sep '06

30 Sep '06

> On Tue, 26 Sep 2006 14:14:24 -0400, glyph(a)divmod.com wrote: I've got > what I believe is the final word on this. Phil Thompson (again, > Riverbank) says: > > """ The reactor must be licensed under the GPL, but the rest of > Twisted doesn't. A Twisted application that doesn't use the reactor > can be licensed under the Twisted license. A Twisted application that > uses the reactor must be licensed under the GPL. """ > > The best course of action, then, would be to distribute qtreactor > separately, since we can no longer say that Twisted is all MIT > licensed if we do not. The practical ramifications of this are not > earth-shattering, so I think that we do not need to, e.g. release a > 2.4.1 which does not include qtreactor, but 2.5+ should definitely > not include it. > > I also asked specifically about not interfering with the PyQt/Qt > commercial license, and Mr. Thompson suggested wording like this: > > """ This code is licensed under either the Twisted license or the GPL > depending on the license of the copy of PyQt being used. > > If the GPL version of PyQt is being used then this code is also > licensed under the GPL. Given the viral nature of the GPL this means > that any application must also be licensed under the GPL. > > If any other version of PyQt is being used (eg. commercial, > evaluation, educational) then this code is licensed under the Twisted > license. """ > > I suggest that we leave that wording mostly unchanged. I agree and think (see disclaimer below) that this is just fine. It does not seem to inhibit the developer's flexibility at all. If you are developing with GPL PyQt, it looks like you can use freely qtreactor, under the condition that distributions of your application (including the copy of qtreactor that it incorporates) are made under the terms of the GPL. Nothing in the licensing of qtreactor could remove that requirement. If you are developing with commercial PyQt, Mr. Thomson's suggested wording indicates that your commercial application can also use qtreactor without any adverse impact on the proprietary nature of your work. This allows people to develop Twisted-based PyQt applications as free software (GPL) or commercially with the purchase of a commercial PyQt license, which is the desirable outcome for both Riverbank Computing and Twisted fans alike. I would think that Mr. Thompson's authorization from TrollTech to dual-license PyQt gives him the ability to authorize this sensible arrangement regarding qtreactor's use of PyQt. It would be nice to have confirmation of that from him as well, however, since anything importing PyQt ultimately has a dependency on Qt itself. If you need someone to host qtreactor, I'd be willing to do so from http://foss.eepatents.com, as long as I had direct assurance from Mr. Thompson that all these questions are settled. I could also contribute a few Twisted-friendly enhancements like the deferred-returning modal dialog box I posted a while back. However, such enhancements will have been developed with the GPL version of PyQt and would not be subject to the special provisions above unless Mr. Thompson chose to offer that as well. Best regards, Ed DISCLAIMER: Nothing in this comment is to be construed as legal advice. Although I probably think about things legal more often than the average person, being a registered patent agent, I am not a lawyer qualified to practice copyright law or anything else outside the representation of patent applicants before the US patent office. Nobody related to this topic is my client in even that capacity.

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[Twisted-Python] removing unsupported reactors in twisted 2.6: qt, corefoundation, threadedselect, wx
by glyph＠divmod.com 30 Sep '06

30 Sep '06

There are a few reactors in the twisted codebase which currently have no maintainer and do not pass the test suite. I've listed them in the subject of this message. I'm comfortable to leave half-supported or potentially broken reactors in the Twisted distribution, as long as they were clearly marked as such and there was some at least potential path to making them work. IOCP, for example, is good enough for many uses despite not passing the full test suite (and there are rumours of a new buildbot for it appearing soon...) However, leaving a pile of known-to-be-broken and unmaintained reactors in Twisted is just going to give the impression that Twisted is buggy, and increase the amount of dead code that people reading the codebase can be confused by. The reactors presented in the subject all seem to have been abandoned. Even our friends at Apple are mainly concerned with the use of Twisted for server work, and while they've been attempting to help us find someone to poke around GUI <-> reactor integration on OS X, it's not their area of expertise. At this point, I believe that setting up a buildslave for any of these reactors should be possible with our existing build infrastructure. Of course, contributions of additional buildslaves are always welcome :), but we can set up slaves for wx and corefoundation ourselves if someone is going to actually start trying to fix them. I know that there are people in the Twisted community integrating it with wxpython and qt. I'd really like it if someone could commit to at least contributing some patches in the future. If I don't hear anything on these fronts before the Twisted 2.6 release, those reactors will be removed from SVN trunk@HEAD and not be included in the 2.6 release. (The next planned release is Twisted 2.5, so you still have some breathing room.) Currently qtreactor is being tested on the "reactors" buildslave and is keeping it red, despite the fact that all the other reactors on that slave work fine (modulo a few elusive race conditions). wxreactor is not being tested at all. I believe we should split qt out so that it can have its own red column and not interfere with the gtk and poll reactors, and if we run a wx slave it should also be separate. Although I know of Qt and WX users, I do not know of anyone currently using the corefoundation reactor in an application. Are you out there? Is it being used? The last word I heard on the corefoundation reactor was from its author, Bob Ippolito, who suggested that it was not the correct way to integrate Twisted with GUI applications. However, his suggested replacement (threadedselectreactor) is buggy, also unmaintained, and IMHO misdesigned, so in the absence of other knowledge I believe that continuing to provide some corefoundation support would be the best way to support the mac. After receiving a shiny new computer from them I feel inclined to do the best job possible to support Apple's platform, but I simply don't have the time, knowledge, or energy to do the development myself. With the aforementioned hardware, I believe it would not be much trouble for us to set up a corefoundation reactor buildslave of our own, but we still need someone who will actually work on fixing the bugs, otherwise, the code should be removed. threadedselectreactor is an interesting concept but hopelessly broken and untested in its current implementation. I believe it should definitely be removed as a reactor of its own, although as a supporting basis for other reactors it might be good to leave around. While not entirely correct, it is certainly _less_ broken than the previous ghastly attempt at a wxreactor. I think it would be a good idea to remove threadedselect from the reactors list in Twisted 2.6, although if someone wants to convince me otherwise with a use-case (and a similar promise of future patches), I'd be happy to hear it. Once all these reactors have dedicated buildslaves and pass the tests, it is far less important that we have dedicated maintainers. We can simply insist that all future commits keep all the buildslaves green. I say this because I want to be clear that I am not asking for a lifetime commitment or we are going to instantly desupport your platform: I'm asking for help getting to the point where we can support multiple platforms without having to be experts in all of them.

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[Twisted-Python] Re: [Twisted-commits] r18320 - Name functions in deprecation warnings
by James Y Knight 30 Sep '06

30 Sep '06

On Sep 28, 2006, at 10:30 PM, Jonathan Lange wrote: > def flushErrors(*errorTypes): > - """Support function for testing frameworks. > + """ > + DEPRECATED in Twisted 2.5. > + > + Support function for testing frameworks. > > Return a list of errors that occurred since the last call to > flushErrors(). > (This will return None unless startKeepingErrors has been > called.) > """ > > + warnings.warn("Deprecated in Twisted 2.5", > category=DeprecationWarning, > + stacklevel=2) As a general note, when deprecating something that is replaced by something else, the original thing should mention what the new thing is you should use instead. In this case, that'd be "self.observer.flushErrors(...)", if you're using it in a test case, I think? James

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[Twisted-Python] Socket - connection lost
by Norman Tindall 29 Sep '06

29 Sep '06

Hello, Reciently i wrote a simple client using Reconnecting Factory. That client logins to my socket server.. and that`s it. Interesting thing is that it is seems that twisted client, sends some ping on a TCP level without sending any data to the socket directly. Because when i pull out cord from the ethernet card simulating network falure, client in about 10-15 seconds determines that connection lost!! (pretty cool) While my server still thinks that client is up. I am using SO_KEEPALIVE on server - but documentations says it will only ping (and so timed outed) on a few hours. How do i make my server act the same way as the client? (to make some sort of a low level cheching of connections is broken without actualy sending anything to socket) -- Best regards, Norman mailto:NormanTindall@zdisk.net

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[Twisted-Python] Sending a long string/buffer without copying it
by Brian Granger 28 Sep '06

28 Sep '06

HI, In one of my Twisted based applications, I need to send large string and buffers. They can be 100's of MB's long (they come from large numpy arrays). I would like to be able to send them *without making any copies* in the process. This seems to be dificult with the way that certain parts of Twisted are written: in protocols.basic many of the sendString/sendLine method having things that make a copy of the string or line to be send: def sendLine(self, line): """Sends a line to the other end of the connection. """ return self.transport.write(line + self.delimiter) If line is 100MB, this just made a second 100MB string. To make things worse, in my case a server needs to send this line to many clients that are connected. The line gets copied for each client! If I have 10 clients, I have nearly a GB worth of extra memory allocated for this temporary copy. This problem is easy solve at the protocol level: you just do separate writes for the delimiter and the line. Or if you are using a length prefixed protocol, write the length bytes and the string separately. BUT.... Even if I do that, it appears that Twisted is making copies elsewhere - like in FileDescriptor.doWrite. So, how can I send something without making a copy? I don't mind making copies of slices, just not the whole thing. Thanks Brian

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[Twisted-Python] SIGBREAK on windows
by Jacob Gabrielson 28 Sep '06

28 Sep '06

Hi, Has anyone run into a problem where their Twisted application gets a SIGBREAK and shuts down, on Windows? I have a simple application using the ReconnectingClientFactory, running as a service (via srvany.exe), that occasionally dies with a few messages: 2006/09/24 16:46 Pacific Daylight Time [-] Received SIGBREAK, shutting down. 2006/09/24 16:46 Pacific Daylight Time [AgentProtocol,client] <twisted.internet.tcp.Connector instance at 0x00A1B468> will retry in 2 seconds 2006/09/24 16:46 Pacific Daylight Time [AgentProtocol,client] Stopping factory <twisted.internet.protocol.ReconnectingClientFactory instance at 0x00A10D28> 2006/09/24 16:46 Pacific Daylight Time [-] Main loop terminated. There's not a lot to go on, but I'm wondering if this is something anyone else has run into on Windows. I'm not really sure how a SIGBREAK could get generated there in the first place. Thanks, -- Jacob

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[Twisted-Python] RELEASE: Flumotion 0.2.2 'IT'
by thomas＠apestaart.org 27 Sep '06

27 Sep '06

This mail announces the release of Flumotion 0.2.2 'IT'. Flumotion is a GPL streaming media server written in Python. It is distributed and component-based: every step in the streaming process (production, conversion, consumption) can be run inside a separate process on separate machines. Flumotion uses Twisted and GStreamer. Twisted enables the high-level functionality, distributing components over the network. GStreamer, through the Python bindings, enables the high-speed low-level functionality: actual media processing. Flumotion uses a central manager process to control the complete network; one or more worker processes distributed over machines to run actual streaming components; and one or more admin clients connecting to the manager to control it. Release notes for Flumotion 0.2.2 "IT" The Flumotion team is happy to announce a new release of the Flumotion Streaming Server. Flumotion is a streaming server for GNU/Linux systems featuring an easy to use configuration and administration GUI. Implemented using GStreamer as the processing backend and using python and Twisted for the high-level operations and GUI, it combines a wide feature set with ease of use. Features of this release * Fully works with GStreamer 0.8 and 0.10 * Fully works with Twisted 1.3.0 through 2.4.0 * bug fixes Bugs fixed in this release * 235 : When selecting the TV card, the device name is not shown * 12 : gstreactor bug * 14 : crash after four days * 17 : Clean up temporary files * 263 : Old component UI remains when new pipeline loaded * 267 : Admin UI doesn't provide a way to find out where http-streamer is listening * 317 : cortado should do typefinding on its input instead of relying on mime type from server * 372 : service scripts can run into permission failures writing to the log file * 374 : running flumotion from service scripts makes it impossible to generate core dumps * 388 : manager could detect registry needing an update before sending bundles * 413 : stopping a component doesn't cause downstream components to go hungry Download You can find source releases of flumotion in the download directory: http://flumotion.net/src/flumotion/ Flumotion Homepage More details can be found on the project's website: http://flumotion.net/ Support and Bugs We use an issue tracker for bug reports and feature requests: https://core.fluendo.com/flumotion/trac/newticket Developers You can browse the repository of SVN code from our tracker. All code is in SVN and can be checked out from there. It is hosted on https://core.fluendo.com/svn/ Contributors to this release * Andy Wingo * Michael Smith * Thomas Vander Stichele * Zaheer Merali

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Fwd: [Twisted-Python] Twisted & Qt
by Timothy Fitz 27 Sep '06

27 Sep '06

On 9/26/06, glyph(a)divmod.com <glyph(a)divmod.com> wrote: > That ticket doesn't seem to refer to setuptools at all, just distutils. I certainly haven't seen a discussion of removing twisted.plugin and switching to entry points. Bob said "Maybe this is a good time to consider setuptools support?" and I was trying to answer that one question. I agree that it's not about moving entry points, but distutils is a required precursor for setuptools. Gah, sorry for the confusion. To clarify *once* we make it to actually using distutils, then we'll talk about setuptools (it's the direction I'd like to go, but there have been significant issues that I think were resolved but I haven't checked in the past six months).

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[Twisted-Python] How to get protocol function do not block server?
by Norman Tindall 26 Sep '06

26 Sep '06

Hello, I am a newbie in twisted, sorry if this was asked thousands times before. I have wrote a simple protocol (over TCP sockets) with crc32. Suppose one client made a handshake.. and then sends to server 10Mb of data... at the end of that 10Mb there is an crc32.. crc32 is a pretty time consuming task on a slow machine.. while server calculates crc32 of 10Mb sent by client one, other clients can not communicate with server (i tryed by myself to log in while transfer.. and i was wating about a 10 seconds) And also i have a UnCryptAFrame time consuming function. How to make those function do not block server, to run in background, and when result is avalable call a chain of other functions (for example it would be nice to add a callback to Factory.handleFrame(data) with the return results of Protocol.UnCryptAFrame())? Is it have to be deferToThread ? And also does dataReceived blocks server by itself? Is twisted.TCPServer scalable, can it serve 1000 - 10000 request in a minute? (in a secound would be great :) ) -------------------------------------------------------------------------------- server.py class MyProtocolServer(protocol.Protocol): # ... connectionMade .. def dataReceived(self, data): self.inp_buf += data if self.initialized != 0: self.handleData() else: self.handShake() # handshake is fast.. but i would gladly # make async if i know how. def handleData(self): if self.w_len is None and len(self.inp_buf) >= 5: self.w_len = struct.unpack("L",self.UncryptLen(self.inp_buf[:5]))[0] if len(self.inp_buf) == self.w_len: uncrypt_frame = self.UnCryptAFrame(self.inp_buf) self.NullInpBufer() def UnCryptAFrame(self): # a very slow function! pass class MyFactory(protocol.ServerFactory): protocol = MyProtocolServer def buildProtocol(self, addr): p = MyProtocolServer() p.factory = self p.addr = addr # ... return p factory = MyFactory() application = service.Application('myservice', uid=1, gid=1) internet.TCPServer(9090, factory).setServiceParent(service.IServiceCollection(application)) -------------------------------------------------------------------------------- end server.py $ twistd -ny ./f_server.py 2006/09/26 14:18 SST [-] Log opened. 2006/09/26 14:18 SST [-] twistd 2.4.0 (/usr/bin/python 2.4.2) starting up 2006/09/26 14:18 SST [-] reactor class: <class 'twisted.internet.selectreactor.SelectReactor'> 2006/09/26 14:18 SST [-] Loading ./f_server.py... 2006/09/26 14:18 SST [-] Loaded. 2006/09/26 14:18 SST [-] __builtin__.UpSTPFactory starting on 9090 2006/09/26 14:18 SST [-] Starting factory <__builtin__.UpSTPFactory instance at 0x407ec54c> 2006/09/26 14:18 SST [-] set uid/gid 1/1 ------------------------------------------------------- In other words if i do something slow in dataReceived (of my Protocol) it seems that it blocks server. how to avoid this? sorry for my english :) -- Best regards, Norman mailto:NormanTindall@zdisk.net

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[Twisted-Python] Weekly Bug Summary
by exarkun＠twistedmatrix.com 24 Sep '06

24 Sep '06

Bug summary ______________________ Summary for 2006-09-17 through 2006-09-24 Bugs opened: 26 Bugs closed: 26 Total open bugs: 730 (+0) |== Type Changes |== Priority Changes |== Component Changes |Defect: -1 |Highest: -9 |Conch: +4 |Enhancement: +4 |High: +1 |Core: -1 |Task: -3 |Normal: +8 |Release Management: -1 |Low: +0 |Trial: -1 |Web: -2 |Web2: +3 |Web2.Dav: +1 |Website: -2 |Words: -1 New / Reopened Bugs ______________________ ===== Highest ===== [#2098] XMPP SASL implementation chokes when no realm has been received (opened by ralphm) defect words http://twistedmatrix.com/trac/ticket/2098 [#2099] manhole telnet server broken (opened by exarkun) defect conch http://twistedmatrix.com/trac/ticket/2099 [#2100] new defgen for python 2.5 enhanced generators (opened by jknight) enhancement core http://twistedmatrix.com/trac/ticket/2100 [#2118] ICredentialFactory.decode() should take a request instead of an HTTP method name (opened by wsanchez) (CLOSED, fixed) enhancement web2 http://twistedmatrix.com/trac/ticket/2118 [#2119] Need a location: header for CREATED response (opened by wsanchez) (CLOSED, fixed) enhancement web2.dav http://twistedmatrix.com/trac/ticket/2119 ===== High ===== [#2102] Access log has multiple copies of the same entry (opened by Cyrus Daboo) defect web2 http://twistedmatrix.com/trac/ticket/2102 [#2103] http DIGEST authentication forced on each page refresh (opened by Cyrus Daboo) (CLOSED, duplicate) defect web2 http://twistedmatrix.com/trac/ticket/2103 [#2104] HTTP digest authentication forced for each page refresh (opened by Cyrus Daboo) defect web2 http://twistedmatrix.com/trac/ticket/2104 ===== Normal ===== [#2101] Coding standard should fallback to PEP 8 (opened by jml) enhancement core http://twistedmatrix.com/trac/ticket/2101 [#2105] Go over the web2.dav API docs again (opened by wsanchez) enhancement web2.dav http://twistedmatrix.com/trac/ticket/2105 [#2107] [patch] Greatly improve telnet performance (opened by shieldszero) enhancement core http://twistedmatrix.com/trac/ticket/2107 [#2109] twisted.web.server imports pb from spread (opened by ghazel) (CLOSED, wontfix) enhancement web http://twistedmatrix.com/trac/ticket/2109 [#2110] finger tutorial uses unclear python idioms. (opened by jerub) defect core http://twistedmatrix.com/trac/ticket/2110 [#2111] test trac r3756 irc/ticket creation integration (opened by exarkun) (CLOSED, fixed) task core http://twistedmatrix.com/trac/ticket/2111 [#2112] conch tests make heavy use of deprecated assert* free functions (opened by exarkun) defect conch http://twistedmatrix.com/trac/ticket/2112 [#2113] support uploads from Macromedia Flash plugins (opened by yacc) enhancement web2 http://twistedmatrix.com/trac/ticket/2113 [#2114] t.conch.test.test_cftp uses reactor.iterate() (opened by jml) (CLOSED, duplicate) defect conch http://twistedmatrix.com/trac/ticket/2114 [#2115] manhole and exception (opened by synapsis) defect conch http://twistedmatrix.com/trac/ticket/2115 [#2116] sshsimpleserver.py on Windows (opened by synapsis) defect conch http://twistedmatrix.com/trac/ticket/2116 [#2117] Buildslaves without find and xargs fail remove pyc step (opened by exarkun) defect core http://twistedmatrix.com/trac/ticket/2117 [#2122] Expose various accept failures to application-level code (opened by exarkun) enhancement core http://twistedmatrix.com/trac/ticket/2122 [#2123] t.c.t.test_manhole.ManholeLoopbackStdio.testControlBackslash fails intermittently (opened by dreid) defect conch http://twistedmatrix.com/trac/ticket/2123 ===== Low ===== [#2106] t.p.versions needs to be updated to handle Subversion 1.4 (opened by oubiwann) (CLOSED, duplicate) enhancement core http://twistedmatrix.com/trac/ticket/2106 [#2108] Yaarr, the docks be needing translations for the scurvy dogs. (opened by jerub) (CLOSED, wontfix) enhancement core http://twistedmatrix.com/trac/ticket/2108 [#2120] usage.Options breaks with short subcommand names longer than 1 char (opened by msalib) (CLOSED, duplicate) defect core http://twistedmatrix.com/trac/ticket/2120 [#2121] usage.Options breaks with short subcommand names longer than 1 char (opened by msalib) defect core http://twistedmatrix.com/trac/ticket/2121 Closed Bugs ______________________ ===== Highest ===== [#1507] trial doesn't gc.collect between test methods (opened by jknight, closed by jml, fixed) defect trial http://twistedmatrix.com/trac/ticket/1507 [#2054] ProperlyCloseFilesTestCase.testProperlyCloseFiles written in an aggressively stupid manner (opened by exarkun, closed by exarkun, fixed) defect core http://twistedmatrix.com/trac/ticket/2054 [#1970] "admin/release-twisted --help" contains typo (opened by exarkun, closed by radix, fixed) defect release management http://twistedmatrix.com/trac/ticket/1970 [#1968] twisted.python.versions uses implementation detail of SVN, broken on 1.4 (opened by jknight, closed by radix, fixed) defect core http://twistedmatrix.com/trac/ticket/1968 [#1883] Make selected tests clean up after themselves (opened by jml, closed by jml, fixed) task core http://twistedmatrix.com/trac/ticket/1883 [#2089] twisted.words.protocol.irc.IRC.whois references undefined variable RPL_WHOISOPER, (opened by jerub, closed by moonfallen, fixed) defect words http://twistedmatrix.com/trac/ticket/2089 [#2086] t.words.basesupport attributeerror when "already connecting" (opened by moonfallen, closed by moonfallen, fixed) defect words http://twistedmatrix.com/trac/ticket/2086 [#2119] Need a location: header for CREATED response (opened by wsanchez, closed by wsanchez, fixed) enhancement web2.dav http://twistedmatrix.com/trac/ticket/2119 [#2118] ICredentialFactory.decode() should take a request instead of an HTTP method name (opened by wsanchez, closed by wsanchez, fixed) enhancement web2 http://twistedmatrix.com/trac/ticket/2118 [#662 ] twisted.internet does not handle EMFILE (Too many files) (opened by jdahlin, closed by exarkun, fixed) defect core http://twistedmatrix.com/trac/ticket/662 [#1910] delete deprecated crud from twisted.python.log (opened by radix, closed by glyph, fixed) task core http://twistedmatrix.com/trac/ticket/1910 [#1694] killing a process (opened by synapsis, closed by glyph, fixed) defect core http://twistedmatrix.com/trac/ticket/1694 [#1550] [PATCH] requestReceived drops arguments after two or more '?' in the uri (opened by zectbumo, closed by exarkun, fixed) defect web http://twistedmatrix.com/trac/ticket/1550 [#2020] tkmktap is broken and probably useless, eliminate it (opened by exarkun, closed by radix, fixed) task core http://twistedmatrix.com/trac/ticket/2020 ===== High ===== [#2103] http DIGEST authentication forced on each page refresh (opened by Cyrus Daboo, closed by dreid, duplicate) defect web2 http://twistedmatrix.com/trac/ticket/2103 [#1080] twisted.web.client _parse URL parse bug (opened by gentoo.cn, closed by glyph, fixed) defect web http://twistedmatrix.com/trac/ticket/1080 ===== Normal ===== [#2077] Add a report for "Tickets Pending Review" (opened by jml, closed by jml, invalid) enhancement website http://twistedmatrix.com/trac/ticket/2077 [#2111] test trac r3756 irc/ticket creation integration (opened by exarkun, closed by exarkun, fixed) task core http://twistedmatrix.com/trac/ticket/2111 [#1885] test_ssh.UtilityTestCase.testCounter emits DeprecationWarning in python2.5 (opened by jknight, closed by exarkun, fixed) defect conch http://twistedmatrix.com/trac/ticket/1885 [#2114] t.conch.test.test_cftp uses reactor.iterate() (opened by jml, closed by jml, duplicate) defect conch http://twistedmatrix.com/trac/ticket/2114 [#1543] Request for Documentation: How to Review a Branch (opened by jml, closed by jml, fixed) defect website http://twistedmatrix.com/trac/ticket/1543 [#2109] twisted.web.server imports pb from spread (opened by ghazel, closed by jknight, wontfix) enhancement web http://twistedmatrix.com/trac/ticket/2109 ===== Low ===== [#2106] t.p.versions needs to be updated to handle Subversion 1.4 (opened by oubiwann, closed by jknight, duplicate) enhancement core http://twistedmatrix.com/trac/ticket/2106 [#2108] Yaarr, the docks be needing translations for the scurvy dogs. (opened by jerub, closed by jknight, wontfix) enhancement core http://twistedmatrix.com/trac/ticket/2108 [#2120] usage.Options breaks with short subcommand names longer than 1 char (opened by msalib, closed by exarkun, duplicate) defect core http://twistedmatrix.com/trac/ticket/2120 [#191 ] twisted.internet refactor to better support non-select reactors (opened by etrepum, closed by glyph, invalid) enhancement core http://twistedmatrix.com/trac/ticket/191

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