And just to be clear, yes, it fixes my bug too.
Peter.
On Wed, 16 Jun 2021, at 12:30, Peter Westlake wrote:
> Works a treat! Thank you!
>
> Peter.
>
> On Tue, 15 Jun 2021, at 18:51, Tom Most wrote:
> > On Tue, Jun 15, 2021, at 2:46 AM, Peter Westlake wrote:
> > >
Works a treat! Thank you!
Peter.
On Tue, 15 Jun 2021, at 18:51, Tom Most wrote:
> On Tue, Jun 15, 2021, at 2:46 AM, Peter Westlake wrote:
> > On Tue, 15 Jun 2021, at 01:58, Wim Lewis wrote:
> > > On Mon, Jun 14, 2021 at 05:25:42PM +0100, Peter Westlake wrote:
> > > >
On Tue, 15 Jun 2021, at 01:58, Wim Lewis wrote:
> On Mon, Jun 14, 2021 at 05:25:42PM +0100, Peter Westlake wrote:
> > Do we have any idea when the fix for "RecursionError with synchronous
> > deferreds (#1549)" will appear in a release?
>
> It's been merg
Hello Twisted team,
Do we have any idea when the fix for "RecursionError with synchronous deferreds
(#1549)" will appear in a release?
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On Wed, 17 Mar 2021, at 02:50, Glyph wrote:
>
>> Excellent, thank you!
>>
>> I think I understand how it works, but one thing puzzles me: how does the
>> queue in the jump() function ever get longer than one element? Is it because
>> it might contain a recursive call, which is activated by the
Excellent, thank you!
I think I understand how it works, but one thing puzzles me: how does the queue
in the jump() function ever get longer than one element? Is it because it might
contain a recursive call, which is activated by the unpause()?
Peter.
/trac/ticket/10125#ticket
thanks,
Peter.
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On Tue, 9 Mar 2021, at 19:28, Glyph wrote:
>
>
> > On Mar 9, 2021, at 4:54 AM, Peter Westlake wrote:
> >
> > I'm getting a "maximum recursion depth exceeded" error that appears to be
> > coming from flatten(). The odd thing is that it only
On Tue, 9 Mar 2021, at 19:28, Glyph wrote:
>
>
> > On Mar 9, 2021, at 4:54 AM, Peter Westlake wrote:
> >
> > I'm getting a "maximum recursion depth exceeded" error that appears to be
> > coming from flatten(). The odd thing is that it only hap
might explain why I only see the
error on the first visit to the page (as far as I can tell).
The system recursion limit is the standard 1000. My HTML is only nested a few
tags deep, two orders of magnitude short of that. Is there anything about the
way flatten() works that might cause th
On Sat, 23 Jan 2021, at 22:09, Adi Roiban wrote:
> Hi,
>
> On Fri, 22 Jan 2021 at 11:15, Peter Westlake wrote:
>> I'm using Ldaptor for LDAP access because it fits in with Twisted, and the
>> results are a bit mystifying.
>> ...
>
> Can you send a full exa
way?
I've also found that the items() method gives something more tractable:
>>> entry.items()
[
(b'cn', b'Peter Westlake'),
...
]
so I can turn that into a dict and index that. But again, this seems like an
odd design for an API. Is
On Mon, 30 Nov 2020, at 13:38, Jean-Paul Calderone wrote:
> On Mon, Nov 30, 2020 at 6:48 AM Peter Westlake
> wrote:
>> __
>> I'm studying an SSH client implementation using Conch, and was surprised to
>> see that the ClientFactory subclass had a connect() method whi
I'm studying an SSH client implementation using Conch, and was surprised to see
that the ClientFactory subclass had a connect() method which calls connectTCP.
This isn't really a problem - the code works - but it seems like an odd place
to do the connection. Am I right to be surpris
Thank you!
Filed: https://twistedmatrix.com/trac/ticket/9573
I'll go off and read about submitting a fix now.
Peter.
On Tue, 15 Jan 2019, at 07:41, Glyph wrote:
>
>
>> On Jan 14, 2019, at 7:23 AM, Peter Westlake
>> wrote:>>
>> An SSCCE:
>>
>
around the error by doing that in a copy of _dumbwin32proc.py which was
copied into the project (historical reasons, don't ask) but it would be
nice to have a proper upstream fix. Not least because I want to purge
the copied-in file, as you can imagine.
Peter.
Sadly, no. Should have said, sorry: it's 2.7.3.
Peter.
On Fri, 23 Mar 2018, at 17:54, meejah wrote:
>
> Are you using Python3? Then there's "asynchronous context managers". I
> finally found a use-case for one in txtorcon, so here's an example:
>
>
ect that this is the case!
Peter.
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hi,
looking over:
https://twistedmatrix.com/documents/14.0.2/_downloads/response.py
im not really sure why one would use the line:
self.remaining = 1024 * 10
this suggest to me that one knew what kind of page size was
expected...but what if you dont?
wouldnt it make more sense to use
hi,
looking over:
https://twistedmatrix.com/documents/14.0.2/_downloads/response.py
im not really sure why one would use the line:
self.remaining = 1024 * 10
this suggest to me that one knew what kind of page size was
expected...but what if you dont?
wouldnt it make more sense to use
hi,
i would like todo a few operations for a bunch of irc servers, basically
all thats done in main for a list of ips.
heres what i came up with (this does not contain the actual class that
inherits from irc.IRCClient code)
questions (i will refer to the pb.codehash.net for line numbers)
1
On 10/13/2015 02:51 AM, Glyph Lefkowitz wrote:
On Oct 12, 2015, at 11:01 AM, peter <mailto:commercial...@yahoo.de>> wrote:
hi,
the way file resume is implemented in DccFileReceive requires to user
to determine the file size manually and set _resumeOffset.
wouldnt it make sene to
hi,
the way file resume is implemented in DccFileReceive requires to user to
determine the file size manually and set _resumeOffset.
wouldnt it make sene to just kill the last few bytes of the file and
resume it?
below is the current connectionMade method from:
http://twistedmatrix.com/trac/
On 10/07/2015 09:49 AM, Glyph Lefkowitz wrote:
On Oct 6, 2015, at 11:38 PM, peter <mailto:commercial...@yahoo.de>> wrote:
im sure youre solution is just fine, could you show me how you would
contruct isBotOnline?
im assuming that code would go into the class "m
On 10/05/2015 11:12 PM, Glyph Lefkowitz wrote:
On Oct 5, 2015, at 2:33 AM, peter <mailto:commercial...@yahoo.de>> wrote:
my bot inherits from irc.IRCClient, when it sends a message to
another user who isnt online irc_ERR_NOSUCHNICK(self, prefix,
command) is called.
how can i reac
my bot inherits from irc.IRCClient, when it sends a message to another
user who isnt online irc_ERR_NOSUCHNICK(self, prefix, command) is called.
how can i react to that message, my code is called with:
class mybot(irc.IRCClient):
...
if __name__ == "__main__":
factory = XdccBotFactory( cha
my bot inherits from irc.IRCClient, when it sends a message to another
user who isnt online irc_ERR_NOSUCHNICK(self, prefix, command) is called.
how can i react to that message, my code is called with:
class mybot(irc.IRCClient):
...
if __name__ == "__main__":
factory = XdccBotFactory( cha
on is made, I'm not sure that much can be
done about this. I was able to make my message stay visible by
overriding terminalSize with a version that didn't erase, but that isn't
very clean or general.
Peter.
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ur symptoms.
>
> See ticket # 7514: https://twistedmatrix.com/trac/ticket/7514
This does sound like a scary bug, especially on a real terminal, but I
tried your patch and it didn't affect my symptom of the screen being
cleared again. That's more about "when" rather than &qu
ich calls
HistoricRecvLine.connectionMade, which calls RecvLine.connectionMade,
which resets the screen exactly as you say. Then, after the screen has
been reset, I print the message. But then the screen is cleared a
second time!
Peter.
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. So far I can't find
where in the code this happens. Is there a way to print a message and
not have it scrolled off the screen?
Thanks,
Peter.
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hi,
found this code online:
http://paste.pound-python.org/show/zeavfM7XjrXL2psPWxlv/
added some print statements and changed the logging to private/channel.
if i send the xdccbot a file from a second irc connection (x-chat) i get
this error:
2015-05-23 22:30:01,384 : Bot connection made
201
is operating at the same abstraction level and therefore less
> error-prone.
That's useful to know, thanks. I'll remember it for next time!
Peter.
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On Fri, 21 Nov 2014, at 19:26, Glyph wrote:
>> On Nov 21, 2014, at 15:13, Peter Westlake
>> wrote:
>>
>> I*am*missing something obvious. The file opened by open() immediately
>> goes out of scope. AAAUGH!
>
> So... back to square one? Or is this the solution
On Fri, 21 Nov 2014, at 14:08, Peter Westlake wrote:
> Found it!
>
> from twisted.internet.protocol import ClientFactory, Protocol,
> ProcessProtocol from twisted.internet import reactor
>
> devnull = open('/dev/null').fileno() print devnull
>
> factory
the socket open on FD 0.
Now I grant that there's no need to pass /dev/null to the stdin of the
process. I should just leave 0 out of childFDs instead. But why does
this not work? lsof shows that the socket is on FD 3 in the parent
process, and the print statem
ver have been
1038591
even if Twisted had used that bit of code, because that reads the data
in and
then loses it. So strace would have shown it being read.
I'll get some help from my local TCP experts, and let you know if I find
anything
out. In the meantime, thank you all for your patience an
On Mon, 17 Nov 2014, at 20:25, Glyph wrote:
>
>> On Nov 17, 2014, at 19:32, Peter Westlake
>> wrote:
>>
>> It's a known bug in Python!http://bugs.python.org/issue1038591,
>> "Python 2.3+ socket._fileobject handles EAGAIN with data loss".
>
>
f 2.7.8. The ticket has a comment
from 2011 saying it should work in Python 3.x (and the code does
look as though it should), and a suggestion from 2013 that it
should be closed.
So, how's that port to Python 3 going?
Peter.
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value counts down. Eventually it gets very close to zero. If
there is a burst of AMP activity around that time, there's a good chance
that the one of the poll() calls will time out.
How this leads to the data being lost is another question, but the
coincidence of events is too much to ignore.
54538, 154331, 299, 8, 0, 0, 0. The last four
calls time out, which isn't surprising if that's how long they wait!
The full strace output shows descending runs of values, with some
omissions and duplicates. If this was C, it would be an uninitialised
variable for sure.
Peter.
poll([{fd=5
62810704], length 31
F..S.P@.@.U. . ..7.....0Zm.
)..}..jP.._answer..867d..status..True.. 16:19:33.542986 IP
wheezy-1.example.com.43517 > xenbuilder.example.com.8091: Flags [.],
ack 807050, win 296, options [nop,nop,TS val 62810705 ecr 696524413],
length 0 (etc)
Peter.
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On Thu, 13 Nov 2014, at 17:01, Peter Westlake wrote:
>
>>> I've put in the dataReceived, and the answer box does*not*make it
>>> into the Protocol. There are two entries in
>>> protocol._outstandingRequests: {'2189': , '2188':
>>>
{2188, 2189}
So as you say, TCP must have delivered the data to someone, or at least
believe it has. How much code is there between there and dataReceived? I
imagine most of it is in the kernel?
Peter.
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On Thu, 13 Nov 2014, at 13:17, Glyph wrote:
>
>> On Nov 13, 2014, at 1:15 PM, Peter Westlake
>> wrote:
>>
>> I've had a look at the code, and got rather lost amongst the
>> interfaces and inheritance and protocols and transports. If someone
>> can h
el, Python and
Twisted versions - but the problem persists. Anyway, I don't want to
make the problem go away without understanding it, for fear that it will
come back a third time.
Peter.
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794, filed in November 2011
> >complete with a test case and a patch?
>
> Issues were migrated to Github as well, fwiw:
>
> https://github.com/twisted/nevow/issues/11
...
> Meanwhile, Peter, if you turn that patch into a PR then I'll try to
> remember to review it soon.
Good to see Nevow is still being maintained!
What are the chances of 0.11.2 including the fix for
https://bugs.launchpad.net/nevow/+bug/892794, filed in November 2011
complete with a test case and a patch?
Peter.
On Sat, Jun 21, 2014, at 15:46, exar...@twistedmatrix.com wrote:
> Hello,
>
addCallback(self.textLabel_Platform.setText)
When the callRemote succeeds, it calls the callbacks on the Deferred.
First, it passes the return value from the remote call to success().
Then
it passes the return value from success() to textLabel_Platform.setText.
Peter.
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cation.setServiceParent(service)
A small detail: should this be service.setServiceParent(application)?
Peter.
> loading = Runner.initializeFromWhatever("foo")
> loading.addCallback(parent)
> loading.addCallback(lambda ignored:
> Runner.initializeFromWhatever(&
lated in the implementation of Deferred cancellation where
> it belongs - eg, with this `deferLater`-based asynchronousness it's
> alreay present since deferLater implements cancellation already).
I'll add it to my list of things to do one of these years :-)
Would you like to put in a ticket with a spec?
Thanks for the help,
Peter.
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lf.realStartService))
self.baton.addErrback(report)
def realStartService(self):
print 'realStartService', self.name, reactor.running
baton = defer.succeed('pass me to each service')
foo = Runner(baton)
foo.setName('foo&#
t service would only be
started up when the Deferred fired.
Peter.
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hed quite a bit but I cannot determine a way to register a
>> callback for when the TCP transport is actually disconnected. Can anyone
>> offer some insight? I'd like to know explicitly when the client is closed.
>>
>> Thanks,
>>
>>
itly when the client is closed.
Thanks,
Peter
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html,
there is no mention of logging levels. For that matter it doesn't
mention twisted.python.log.msg() either!
Peter.
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d threads behind the scenes and returned a
Deferred (for small files) or a Protocol (for big ones) would be a nice
thing to have.
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On Mon, Jan 14, 2013, at 22:58, Glyph wrote:
> On Jan 14, 2013, at 3:18 AM, Peter Westlake
> wrote:
>
> >> It seems like the "shared caching reference" would solve this problem
> >> as well?
> >
> > Yes, I think that's the right answe
Interesting... those portals could be on different Realms too. It would
also allow more than one checker to be tried per interface, which would
allow (say) a credentials.IUsernamePassword to be tried against
different checkers.
Peter.
On Sun, Jan 13, 2013, at 14:08, Itamar Turner-Trauring wrote
On Sun, Jan 13, 2013, at 6:39, Glyph wrote:
>
> On Jan 10, 2013, at 6:41 AM, Peter Westlake
> wrote:
>
> > On Wed, Jan 9, 2013, at 18:02, Glyph wrote
> >> On Jan 9, 2013, at 9:26 AM, Peter Westlake
> >> wrote:
> >>> On Jan 9, Adi wrote:
&
On Wed, Jan 9, 2013, at 18:02, Glyph wrote
> On Jan 9, 2013, at 9:26 AM, Peter Westlake
> wrote:
> > On Jan 9, Adi wrote:
> >> I am not an expert in Twisted, but from my understanding, the "string"
> >> requirement is there to provide a plugable inte
f doing it.
> I have also asked over IRC and I got the good to go answer for using
> anything as AvatarID.
>
> As long as you are only using your custom credentials checkers and
> your custom realm, everything should be ok.
>
> I am using Objects as
ation. Until I read that doc I was happily passing back the
tuple of LDAP details as an avatarId, and it all works perfectly well.
Is it really wrong, and if so, how will it fail? And what should I do
instead to pass back the details?
Peter.
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Thanks for the responses. I'll see what I can do about tracking down the
problem.
In the meantime, I'll give dragnet a look.
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Tomorrow I'm giving a talk to provide an introduction to asynchronous
programming. I'll be mentioning Twisted in passing, but the meat of the
talk will be about writing a web crawler for finding broken links, first
using single-threaded blocking code, then multi-threaded blocking code,
before demo
On Wed, Sep 5, 2012, at 02:26, Itamar Turner-Trauring wrote:
> On Mon, Sep 3, 2012 at 12:10 PM, Peter Westlake
> wrote:
>
> > An output file generated with cProfile.run() can be read.
> > Running twistd without --savestats generates a valid-looking
> > textual r
cProfile.run() can be read.
Running twistd without --savestats generates a valid-looking
textual report.
This is Python 2.7.3, Twisted 12.0.0, on Debian.
Peter.
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On Thu, Jun 21, 2012, at 10:16, Glyph wrote:
>
> Le Jun 21, 2012 à 6:52 AM, Peter Westlake a
> écrit :
>
> > How fast is rendering in nevow? I have a page which is mostly a large
> > table with a couple of hundred rows, each containing a form. The
> > generated
ested specifically in what happens between the end of beforeRender
and the request being completed. It takes about a minute and a quarter.
Is that normal, or is there a delay in my code that I haven't found yet?
Thanks,
Peter.
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e
> user to specify which module to use.
Oh, I see! I saw the error message coming from t.e.a and deduced,
wrongly, that it imported it directly! The fact that the Debian
python-twisted package doesn't depend on python-pgsql should
have given me a clue.
Thank you for the retroactive fix!
txPostgres?
http://twistedmatrix.com/trac/ticket/4397
Peter.
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for this purpose? A sort of
middleware (hate that word) to intercept transport events (including transport
formation, i.e. Endpoint.connect()).
I'm looking forward to being proven wrong on this as it will make my SOCKS work
easier, or else if this turns out to be interesting then I have more
>
>
> Will there be a Twisted table at PyBeer/PyFiorentina? :)
>
> If so, I'll be there!
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I haven't been following the thread, but just wanted to mention
something that caught me out when I was learning to use deferreds.
Both the old deferred documentation and your fix-up fail to mention
addCallbacks() until near the end, when in practice I find
addCallbacks() to be much more useful
d 8.x. Any pointers?
I've seen strange sporadic errors with networking in 8.x that weren't
there in 2.5.0, so would you be able to test it with 2.5.0?
Peter.
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On Thu, 12 Aug 2010 12:49 +1000, "Tim Allen"
wrote:
> On Wed, Aug 11, 2010 at 05:30:36PM +0100, Peter Westlake wrote:
> > In the Git version of the Twisted source code, there are tags for
> > releases, e.g. the revision with SHA id
> > 85a6a0f9e3c4ea22d1d72d4ca8eb0c
On Wed, 11 Aug 2010 17:50 +0100, "Jonathan Lange" wrote:
> On Wed, Aug 11, 2010 at 5:30 PM, Peter Westlake
> wrote:
> > In the Git version of the Twisted source code, there are tags for
> > releases, e.g. the revision with SHA id
> > 85a6a0f9e3c4ea22d1d72d4ca8e
h for "git bisect" to work with.
I'm trying to trace a bug that wasn't in 2.5.0 but is in 8.0.0; what
arguments should I give to bisect? Apologies if this is obvious to
anyone who knows how to use git, but I'm just a beginner.
Thanks,
Peter.
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On Fri, 30 Jul 2010 13:55 +0200, "Alan Franzoni"
wrote:
> On 7/30/10 12:54 PM, Peter Westlake wrote:
> > I'm using LDAP to authenticate users, and when I give it an empty
> > password, it appears to succeed! Can anyone see what I'm doing wrong?
> > I&#
I'm using LDAP to authenticate users, and when I give it an empty
password, it appears to succeed! Can anyone see what I'm doing wrong?
I've added comments by the log messages that appear in the output.
Peter.
from twisted.internet import reactor, defer
from ldaptor.protoc
It's all working again now.
On Mon, 05 Jul 2010 13:22 +0100, "Peter Westlake"
wrote:
> Some of twistedmatrix.com is working, but the top level
> (http://twistedmatrix.com/) says "Could not connect", and the Subversion
> repository does the same:
>
> svn
Some of twistedmatrix.com is working, but the top level
(http://twistedmatrix.com/) says "Could not connect", and the Subversion
repository does the same:
svn checkout svn://svn.twistedmatrix.com/svn/Twisted
svn: Can't connect to host 'svn.twistedmatrix.com':
ation of the Tahoe-LAFS apt
> repository. Maybe it was temporarily down when you tried to apt-get
> update?
>
> Let's take it to the tahoe-...@tahoe-lafs.org list.
Okay - see you there!
Thanks,
Peter.
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On Mon, 28 Jun 2010 21:41 -0600, "Zooko O'Whielacronx"
wrote:
> On Sun, Jun 27, 2010 at 4:04 AM, Peter Westlake
> wrote:
> >
> >> python -c "import pkg_resources;print pkg_resources.require('Twisted')"
> >
> > It says:
[resending after the glitch with the domain]
On Thu, 24 Jun 2010 18:34 -0700, "Zooko O'Whielacronx"
wrote:
> On Tue, Jun 22, 2010 at 10:35 AM, Peter Westlake
> wrote:
> >
> > I downloaded it and typed "python setup.py build", and it went off and
build? I can't afford to move
to 10.0 until I've had time to track down a certain bug that appeared
between 2.5.0 and version 8.
Peter.
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On Mon, May 10, 2010 at 8:17 AM, Andrew Francis wrote:
> Hi Peter:
> I think things get more complex when one is dealing with multiple end-points
> in sequence (now callbacks are chained) or one is using iterators
> (cooperators/coiterators now needed?). What light-weight thread
Today, a guy gave me an URL
http://code.google.com/p/stacklessexamples/wiki/StacklessNonblockModules
It's a replacement of standard python socket module. What make it
different is that this module only blocks a tasklet, not an entire
Python thread.
With this module and stackless python, theoretic
known at run-time. Your code
might not need to do any of that.
First, the command:
class RunCmd(amp.Command):
arguments = [...,
('env', amp.AmpList([('var', amp.String()), ('val',
amp.String())])),
.
Mar 15, 2010 at 06:32:23PM +0800, Peter Cai wrote:
> > Someone turn off the server by cutting power of the server.
> > When the machine is power on, I found my twisted application could not
> start
> > and emit the following error.
> >
> > Another twistd server is ru
Someone turn off the server by cutting power of the server.
When the machine is power on, I found my twisted application could not start
and emit the following error.
Another twistd server is running, PID 3398
This could either be a previously started instance of your application or a
different a
If you Google "sqlalchemy twisted", you can see my post is on the top:
http://groups.google.com/group/sqlalchemy/browse_thread/thread/c802749c9d0dd6
I've been busy for a long time so I didn't considered this question
anymore. But occasionally, I got some new ideas today.
I was suggested to sand
, and d2 fires. It doesn't have
any callbacks (that you know about, at least) so it returns
the value.
The code of Deferred.callback that previously stashed d2
notices that it has fired, picks up the value and passes
it along the next callback in d's chain, the lambda echo.
Regards,
Peter.
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On Sat, 05 Sep 2009 00:29 +1000, "Tim Allen"
wrote:
> On Fri, Sep 04, 2009 at 02:53:37PM +0100, Peter Westlake wrote:
> > Now that .tap files are obsolete, is there a supported way of making
> > Debian packages like tap2dep?
>
> .tap files (Pickle-based config file
Now that .tap files are obsolete, is there a supported way of making
Debian packages like tap2dep?
Thanks,
Peter.
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nection I was tracing. There would have been
very much more log data otherwise. It makes a big difference
being able to see values of variables without having to add
new log statements and spend another working day waiting for
the bug. Whoever invented it - thank you!
Peter.
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en tracing it.
At this point, I'm stuck! If there isn't a solution to this,
the only answer will be to time out and retry the command.
But since TCP connections are meant to be reliable (or to
give an error if they fail), I hope it won't come to that.
Peter.
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On Fri, 24 Jul 2009 12:01 -0400, "Jean-Paul Calderone"
wrote:
> On Fri, 24 Jul 2009 16:12:28 +0100, Peter Westlake
> wrote:
> >> In general, though, if you're trying to debug Deferreds you might
> >> try setting debugging with defer.setDebugging(1
On Fri, 24 Jul 2009 10:44 -0400, "Drew Smathers"
wrote:
> On Fri, Jul 24, 2009 at 9:35 AM, Peter Westlake
> wrote:
> > Hello,
> >
> > I'm having trouble with an AMP connection that doesn't fire
> > the Deferred returned by callRemote. The AMP
ssages in the log. That's consistent
with the Deferred not firing, because the error callback
(self.next_or_retry) would log a message if the remote
command failed.
So, what can possibly be happening?
And how can I find out?
All suggestions most gratefully received.
Peter.
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