Mailman 3 July 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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by Tamika 01 May '19

01 May '19

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[Twisted-Python] Twisted Challenge Coins!
by Ashwini Oruganti 30 Sep '16

30 Sep '16

Hello! We are planning to get us some challenge coins, which is exciting! You should also be excited with us because this means: - we can now give it out to contributors at sprints and meetups. - challenge coins are awesome. Each coin costs about $6, and the minimum order is 100 coins. Glyph thinks everyone should have some to give out as tokens of appreciation to other contributors, and glyph's thoughts are usually worth following. So, if you are a Twisted contributor and would like to own a challenge coin, please respond to this email. Also, do mention how many coins you would like, and where you are located so that we can send you your coin(s). -ashfall

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[Twisted-Python] Regarding moving on with ticket #7934 (New Logging System)
by Eeshan Garg 23 Aug '16

23 Aug '16

Hello again! I am fully aware that it has been a _very_ long time since I mentioned that I would get on with <https://twistedmatrix.com/trac/ticket/7934>, but I haven't really had the time to actually do anything about it. :-/ I would love to work on more tickets like < https://twistedmatrix.com/trac/ticket/7897> and help port Twisted to the new logging system and kind of get back into the flow of submitting patches and contributing to Twisted again (I miss it so much!!). My main concerns about moving on with #7934 after my last patch have already been reported by hawkowl in < https://twistedmatrix.com/trac/ticket/7983>. However, it was a bit unclear to me from the discussions in 7983 as to how to move forward. It would mean a lot to me if someone who is working on this right now (or glyph or hawkowl) could please give me a couple of pointers as to what should be done with the "self.log" issue for porting existing code to the new logging system. - Should I declare a log attribute for an entire module to use? - Should I rewrite my new patch around hawkowl's suggestion in 7983, use _loggerFor for everything? If so, how do you refer to the Logger instance to compare the log_logger in the event dict with what is expected (since asserting everything in the event dict, including log_logger is crucial for optimum test coverage)? - Or is there another way I should be searching for? Has anything changed since 7983 was filed? :-) I have already started working on the other suggestions put forth by the reviewers (such as context managers for capturing log events, etc.). Looking forward to contributing more! Regards, Eeshan Garg

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[Twisted-Python] txtorcon 0.15.0
by meejah 11 Aug '16

11 Aug '16

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I'm happy to announce txtorcon 0.15.0: * added support for NULL control-port-authentication which is often appropriate when used with a UNIX domain socket * switched to https://docs.python.org/3/library/ipaddress.html instead of Google's ipaddr; the API should be the same from a user perspective but **packagers and tutorials** will want to change their instructions slightly (``pip install ipaddress`` or ``apt-get install python-ipaddress`` are the new ways). * support the new ADD_ONION and DEL_ONION "ephemeral hidden services" commands in TorConfig * a first stealth-authentication implementation (for "normal" hidden services, not ephemeral) * bug-fix from https://github.com/david415 to raise ConnectionRefusedError instead of StopIteration when running out of SOCKS ports. * new feature from https://github.com/david415 adding a ``build_timeout_circuit`` method which provides a Deferred that callbacks only when the circuit is completely built and errbacks if the provided timeout expires. This is useful because :doc:`TorState.build_circuit` callbacks as soon as a Circuit instance can be provided (and then you'd use :doc:`Circuit.when_built` to find out when it's done building). * new feature from https://github.com/coffeemakr falling back to password authentication if cookie authentication isn't available (or fails, e.g. because the file isn't readable). * both TorState and TorConfig now have a ``.from_protocol`` class-method. * spec-compliant string-un-escaping from https://github.com/coffeemakr * fix https://github.com/meejah/txtorcon/issues/176 You can download the release from PyPI or GitHub (or of course "pip install txtorcon"): https://pypi.python.org/pypi/txtorcon/0.15.0 https://github.com/meejah/txtorcon/releases/tag/v0.15.0 Releases are also available from the hidden service: http://timaq4ygg2iegci7.onion/txtorcon-0.15.0.tar.gz http://timaq4ygg2iegci7.onion/txtorcon-0.15.0.tar.gz.asc You can verify the sha256sum of both by running the following 4 lines in a shell wherever you have the files downloaded: cat <<EOF | sha256sum --check f2e8cdb130aa48d63c39603c2404d9496c669fa8b4c724497ca6bfa7752a9475 dist/txtorcon-0.15.0.tar.gz a359fb5e560263499400018262494378b3d347cd04a361adb08939df95ecedf6 dist/txtorcon-0.15.0-py2-none-any.whl EOF thanks, meejah -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJXl/KEAAoJEMJgKAMSgGmn76gH/1du7i9dmkMpr2PJrexVeXSo 9mSaeX/7KKaW71pEMmaCXfvhDJ6dMZDQpZ7saTM31zJZTp+MXjtHf0DZI2QTwgDw NYEBH+LO8PINN1ezPomgeZE6E4eJYlaDCyO6c7j3cOsEmohST+GPpvvdWdft+Sw2 hWvVf2+I4BV7vcIx6WQx4jKBS2gmlHbxuUv3LAnjj/Tn6oSYpft1IUK39pM66DX4 FzdYeBTloC6nzyH4sRTxnax+l9MfQJ2ZR+5alJi8uEvGlk580ciFASQNCVLaBY9r 4YALoipEg2Fm4BFA7qLsH0aFoLgx0lv7ng8lmpaP7XlPjUCuA7OcDp5jSqhGt2A= =hWml -----END PGP SIGNATURE-----

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[Twisted-Python] close to the finish line on hosted windows testing
by Glyph Lefkowitz 09 Aug '16

09 Aug '16

Thanks to Craig and Adi's work, we now have tests sort of working on appveyor. However, they aren't actually reporting their pass/fail status right now as github statuses, I am assuming because of the persistent failures that were causing noise on unrelated tickets. However, it's very close to being a useful builder; there are really only 2 remaining issues, not counting turning on the reporting itself. I've made an umbrella ticket here: https://twistedmatrix.com/trac/ticket/8664 <https://twistedmatrix.com/trac/ticket/8664> and documented what's wrong with each one. So, if you care about Twisted on Windows, fixing the issues documented there should make it much easier for more folks to contribute easily :). -glyph

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[Twisted-Python] RFC: IPv6 multicast join/ticket 6597
by Jason Litzinger 06 Aug '16

06 Aug '16

Hello, I'm looking at making the changes to support IPv6 multicast groups as described in ticket 6597 but wanted to get some feedback (and get a feel whether this is even desirable) before formally submitting any patches. Specifically: 1. I've read [1] and it alludes to udp hopefully disappearing, is that something in the works? Is there a new approach to solving this problem I should look at? A branch in the works where this (conceptual) change belongs? Note: The addressFamily attribute referenced already exists and is set properly for IPv6. 2. The attached change has the side effect that calls to ReactorBase.resolve() with IPv6 literals will now likely succeed where they may have failed in the past. That means clients counting on resolve raising an exception for an IPv6 literal will break. Not sure whether this is considered a compatibility issue, but I wanted to raise it. 3. One alternative to the above would be a complete API separation, via something like joinIPv6Group(), and a new resolve. Is that more appealing in this case? Caveats: 1. I have not finished all of the documentation related to developers, I will do so prior to formal submission. 2. I know I need tests and docs and will submit them with the final changes. On to the patches. With these changes, I can use the joinGroup API to add myself to an IPv6 multicast group on Linux (verified via /proc/net/igmp6). Additionally, trial reports the same two failures before and after these changes (twisted.python.test.test_release.APIBuilderTests.test_build and test_buildWithPolicy). These changes struck me as the obvious approach, but given the changes to resolve, not necessarily the best. diff --git a/twisted/internet/base.py b/twisted/internet/base.py index 4f2c862..e813741 100644 --- a/twisted/internet/base.py +++ b/twisted/internet/base.py @@ -567,6 +567,8 @@ class ReactorBase(object): return defer.succeed('0.0.0.0') if abstract.isIPAddress(name): return defer.succeed(name) + elif abstract.isIPv6Address(name): + return defer.succeed(name) return self.resolver.getHostByName(name, timeout) # Installation. diff --git a/twisted/internet/udp.py b/twisted/internet/udp.py index b5a5322..210b079 100644 --- a/twisted/internet/udp.py +++ b/twisted/internet/udp.py @@ -485,7 +485,10 @@ class MulticastMixin: def _joinAddr1(self, addr, interface, join): - return self.reactor.resolve(interface).addCallback(self._joinAddr2, addr, join) + if self.addressFamily == socket.AF_INET: + return self.reactor.resolve(interface).addCallback(self._joinAddr2, addr, join) + else: + return self.reactor.resolve(interface).addCallback(self._joinAddrIPv6, addr, join) def _joinAddr2(self, interface, addr, join): @@ -500,6 +503,18 @@ class MulticastMixin: except socket.error as e: return failure.Failure(error.MulticastJoinError(addr, interface, *e.args)) + def _joinAddrIPv6(self, interface, addr, join): + addr = socket.inet_pton(socket.AF_INET6, addr) + interface = socket.inet_pton(socket.AF_INET6, interface) + if join: + cmd = socket.IPV6_JOIN_GROUP + else: + cmd = socket.IPV6_LEAVE_GROUP + try: + self.socket.setsockopt(socket.IPPROTO_IPV6, cmd, addr + interface) + except socket.error as e: + return failure.Failure(error.MulticastJoinError(addr, interface, *e.args)) + def leaveGroup(self, addr, interface=""): """Leave multicast group, return Deferred of success.""" This does require the client specify the interface argument when calling joinGroup, e.g. self.transport.joinGroup("ff02::1", interface="::"). Thanks in advance for any feedback! -Jason Litzinger [1] http://twistedmatrix.com/pipermail/twisted-python/2016-March/030188.html

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[Twisted-Python] running code on its own and importing, howto install a different reactor?
by steven meier 30 Jul '16

30 Jul '16

hi, i ran into this issue, i can run the code on its own "python working_code.py", but i cant import it...how do you fit the reactor in this scenario? python main_code.py Unhandled error in Deferred: Traceback (most recent call last): File "/home/julius/.local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1274, in unwindGenerator return _inlineCallbacks(None, gen, Deferred()) File "/home/julius/.local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1128, in _inlineCallbacks result = g.send(result) File "/home/julius/code/python/qt5-python2.x/example/working_code.py", line 7, in print_it arg = yield terrific_method() File "/home/julius/.local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1274, in unwindGenerator return _inlineCallbacks(None, gen, Deferred()) --- <exception caught here> --- File "/home/julius/.local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1128, in _inlineCallbacks result = g.send(result) File "/home/julius/code/python/qt5-python2.x/example/working_code.py", line 14, in terrific_method reactor.callLater(2, d.callback, 2) exceptions.NameError: global name 'reactor' is not defined cat main_code.py import qt5reactor qt5reactor.install() from twisted.internet import reactor from working_code import print_it print_it() cat working_code.py from twisted.internet.defer import inlineCallbacks, Deferred, returnValue @inlineCallbacks def print_it(): arg = yield terrific_method() print arg @inlineCallbacks def terrific_method(): d = Deferred() reactor.callLater(2, d.callback, 2) result = yield d returnValue(result) if __name__ == '__main__': import qt5reactor qt5reactor.install() from twisted.internet import reactor reactor.callWhenRunning(print_it) reactor.run()

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Re: [Twisted-Python] [Twisted] #7598: Port twisted.spread.pb to Python3
by Wolfgang Rohdewald 28 Jul '16

28 Jul '16

Am Donnerstag, 28. Juli 2016, 11:27:15 CEST schrieb Twisted: > The branch there ports PB to Python 3. There might still be a few coverage > issues, and since I trust codecov, I'm not entiirely sure. But this is > definitely worth at least a first pass review at this point. Great news! I should be able to do some testing next week -- Wolfgang

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