Mailman 3 August 2003 - Twisted

Re: [Twisted-Python] Help needed with SMTP service
by Kevin Howe Aug. 4, 2003

Aug. 4, 2003

> Hi, > > The more I try to grasp how the twisted.mail package works, the more I > get confused. I sure must learn a lot more about the internals of twisted. > > What I want to do looks very simple, but somehow I can't find the > correct the way. > I want to create a service that accepts messages, and for each message > checks if the recipients exist in a dict. If the recipient exists, the > message should be attached to a new message with > table[… [View More]

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[Twisted-Python] Help needed with SMTP service
by Rudy Schockaert Aug. 4, 2003

Aug. 4, 2003

Hi, The more I try to grasp how the twisted.mail package works, the more I get confused. I sure must learn a lot more about the internals of twisted. What I want to do looks very simple, but somehow I can't find the correct the way. I want to create a service that accepts messages, and for each message checks if the recipients exist in a dict. If the recipient exists, the message should be attached to a new message with table[originalRecipient] as the new recipient. Can someone point me … [View More]

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[Twisted-Python] ccc camp and holiday
by Federico Di Gregorio Aug. 4, 2003

Aug. 4, 2003

i will be at the ccc camp and after that in amsterdam and paris. i don't know how much it is common on this list but on others vacancies announces targeted at meeting to consume alchoolic substances and exchanging gpg keys are welcome. if you don't like, just don't answer, else mail me privately :) federico -- Federico Di Gregorio Debian GNU/Linux Developer fog(a)debian.org INIT.D Developer fog(a)initd.org … [View More]

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[Twisted-Python] Mac OS-9 support? Does it exist?
by John D. Aug. 4, 2003

Aug. 4, 2003

I just joined the mailing list. I would have first read the archive if It was available, thus the need to ask this to the list. I want to use the latest Twisted 1.0.6 with my latest Python 2.3 on my Mac OS-9. I tried to install it on the Mac ver of python, but I'm getting all kinds of error when I drag the "setup.py" into the Mac python IDE. I looked at the requirement of Twisted, and it mentions we also need Encryption, and some other utilities, but there was nothing on the web site … [View More]

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[Twisted-Python] SSL and Perspective Broker
by Edmund Dengler Aug. 3, 2003

Aug. 3, 2003

Hi all! I am new to the list, so please excuse me if this has been dealt with already. I did try to search for an answer in the archives and was unable to find an answer. I am trying to use PB with SSL. I have managed to get it to work (or, at least it looks like it is working). I will get some patches submitted later this week if desired. The problem I ran across was that I had to force PB to change its logic as to who talks first. Normally: client connects to PB server, PB server initiates … [View More]

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[Twisted-Python] Getting the hang of twisted.web
by Micah Yoder Aug. 3, 2003

Aug. 3, 2003

Ok, I have the following in web.py: *** from twisted.web import resource class Simple(resource.Resource): isLeaf = True def render(self, request): return "<html>Hello, world!</html>" class Hello(resource.Resource): def __init__(self): resource.Resource.__init__(self) self.putChild('simple', Simple()) def getChild(self, name, request): if name == '': return self return Resource.getChild( self, name, … [View More]request) def render(self, request): s = request.getSession() if not hasattr(s, 'var'): s.var = 1 else: s.var = s.var * 2 return """<html> Hello, world! I am located at %r and am at %d. My args are %s. Site %s. </html>""" % (request.prepath, s.var, repr(request.args), repr(request.site)) *** Then I: $ mktap web --class=web.Hello $ twistd -f web.tap Seems to work fine. I can go to http://localhost:8080/ to get the Hello() class and http://localhost:8080/simple to get the Simple() class. Questions: 1. Is there anything I'm doing obviously wrong or a "non-Twisted" way, like with the session variable or the child stuff? 2. What about persistant HTTP sessions? I thought one of the points of this mktap stuff was to allow persistance in protocols. I do: $ killall twistd $ twistd -f web-shutdown.tap and go to the index page again and the counter gets re-started at 1. Can't they be made to persist? 3. Finally, some advice on how to structure my "real" project would be appreciated. I have a program that will store and index a large amount of data (several megabytes), and intend to have resources that search and display it. The original importing of the data takes several seconds now, and will take probably a minute or more by the time I'm done. The data is being stored in a Python class, with methods to set it up and search it, along with direct public instance-variable access to some structures. The question is, where should this class object be stored in a .tap-ified program? Right now I have the class instance as a global variable in the module that my related resource objects are in, but that doesn't seem ideal. I thought about storing it in the Site() object, but there doesn't seem to be a way to access the Site object from a resource request. request.site only returns None ... is ths a bug? (Yes, I've been doing this application so far with just a reactor and a Site() object. But it seems prudent to try to .tap-ify it.) Thanks! Micah -- Yoder Internet Development Honest and Affordable Web Development and Linux consulting http://yoderdev.com [View Less]

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[Twisted-Python] Roundup Fever
by Glyph Lefkowitz Aug. 2, 2003

Aug. 2, 2003

Dear Twisted Team (and assorted onlookers), I am trying to create a semblance of a project plan by assembling a sort of paper-mache out of the things that have been entered in the bugtracker. If you have an account on the bugtracker, you may find that you have issues assigned to you. Random issues. Issues that you have no idea how to resolve or even understand. Don't worry, I don't seriously expect you to take care of these yourself - however, we have a lot of issues in the tracker … [View More]

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[Twisted-Python] [PATCH] SMTP cleanup, do not hide error messages
by Tommi Virtanen Aug. 2, 2003

Aug. 2, 2003

Hi. Here's a patch that does two things to twisted.protocol.smtp: 1) use sendLine instead of self.transport.write, for prettiness and also to make debug printing in sendLine be actually useful. 2) use the code and error message from SMTPBadSender and SMTPBadRcpt exceptions trapped, not a hardcoded "550 I'm not telling you what want wrong." Helps debugging scalemail a _lot_. You have at most a few days to protest, or I will commit. Explicitly saying "looks good" … [View More]

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[Twisted-Python] Remote PB calls in ApplicationService.stopService
by Alex Levy Aug. 2, 2003

Aug. 2, 2003

I had two programs running; one was a twistd -y instance, the other was a simple script that received objects over Perspective Broker and printed them out. The -y'able application consists of one Service: class MyService(app.ApplicationService): def somePBRemoteCall(self, event): d = pb.getObjectAt(self.host, self.port, self.timeout) d.addCallback(self.foundCatcher, event) def foundCatcher(self, obj, event): d = obj.callRemote('catch', event) def stopService(self): … [View More] somePBRemoteCall(i_am_dying_event) app.ApplicationService.stopService(self) This isn't the code verbatim, but this is basically what it's doing. I want the receiving side to be informed when the sending side is about to stop. On the sending side, this results in 'Connection failed'. On the receiving side, the following traceback appears. Could somebody more familiar with the internals of Perspective Broker explain what's going wrong, or how I might change my approach? ---snip--- Traceback (most recent call last): File "sandbox/test-catcher.py", line 15, in ? reactor.run() File "/usr/lib/python2.2/site-packages/twisted/internet/default.py", line 122, in run self.mainLoop() File "/usr/lib/python2.2/site-packages/twisted/internet/default.py", line 133, in mainLoop self.doIteration(t) File "/usr/lib/python2.2/site-packages/twisted/internet/default.py", line 472, in doSelect _logrun(selectable, _drdw, selectable, method, dict) --- <exception caught here> --- File "/usr/lib/python2.2/site-packages/twisted/python/log.py", line 65, in callWithLogger callWithContext({"system": lp}, func, *args, **kw) File "/usr/lib/python2.2/site-packages/twisted/python/log.py", line 52, in callWithContext return context.call({ILogContext: newCtx}, func, *args, **kw) File "/usr/lib/python2.2/site-packages/twisted/python/context.py", line 32, in callWithContext return func(*args,**kw) File "/usr/lib/python2.2/site-packages/twisted/internet/default.py", line 495, in _doReadOrWrite selectable.connectionLost(f) File "/usr/lib/python2.2/site-packages/twisted/internet/tcp.py", line 253, in connectionLost protocol.connectionLost(reason) File "/usr/lib/python2.2/site-packages/twisted/spread/pb.py", line 563, in connectionLost for lobj in self.remotelyCachedObjects.values(): exceptions.AttributeError: Broker instance has no attribute 'remotelyCachedObjects' ---snip--- -- Alex Levy WWW: http://mesozoic.geecs.org "Never let your sense of morals prevent you from doing what is right." -- Salvor Hardin, Isaac Asimov's _Foundation_ [View Less]

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[Twisted-Python] [PATCH] make syslog work
by Tommi Virtanen Aug. 2, 2003

Aug. 2, 2003

Hi. Here's a patch that does a few things to twistd and twisted.python.syslog. 1) twistd: allow using -n and --syslog at the same time, by reordering the elif's. 2) rewrite twisted.python.syslog to save it from bitrot, I don't think it could have worked at all. To avoid code duplication, refactor twisted.python.log a bit; we don't want twistedy time stamps in syslog, but we want rest of the nice things. You have at most a few days to protest, or I will commit. … [View More]Explicitly saying "looks good" appreciated. Index: twisted/scripts/twistd.py =================================================================== RCS file: /cvs/Twisted/twisted/scripts/twistd.py,v retrieving revision 1.53 diff -u -u -r1.53 twistd.py --- twisted/scripts/twistd.py 19 Jul 2003 21:36:49 -0000 1.53 +++ twisted/scripts/twistd.py 2 Aug 2003 14:46:28 -0000 @@ -282,11 +282,11 @@ print 'daemons cannot log to stdout' os._exit(1) logFile = sys.stdout - elif config['nodaemon'] and not config['logfile']: - logFile = sys.stdout elif config['syslog']: from twisted.python import syslog syslog.startLogging(config['prefix']) + elif config['nodaemon'] and not config['logfile']: + logFile = sys.stdout else: logPath = os.path.abspath(config['logfile'] or 'twistd.log') logFile = logfile.LogFile(os.path.basename(logPath), os.path.dirname(logPath)) Index: twisted/python/log.py =================================================================== RCS file: /cvs/Twisted/twisted/python/log.py,v retrieving revision 1.50 diff -u -u -r1.50 log.py --- twisted/python/log.py 17 Jul 2003 09:11:33 -0000 1.50 +++ twisted/python/log.py 2 Aug 2003 14:46:29 -0000 @@ -235,6 +235,12 @@ self.write = f.write self.flush = f.flush + def prefix(self, eventDict): + y,mon,d,h,min, iigg,nnoo,rree,daylight = time.localtime(eventDict['time']) + return ("%0.4d/%0.2d/%0.2d %0.2d:%0.2d %s [%s] " % + (y, mon, d, h, min, time.tzname[daylight], + eventDict['system'])) + def _emit(self, eventDict): edm = eventDict['message'] if not edm: @@ -244,10 +250,10 @@ text = eventDict['format'] % eventDict else: text = ' '.join(map(str, edm)) + prefix = self.prefix(eventDict) y,mon,d,h,min, iigg,nnoo,rree,daylight = time.localtime(eventDict['time']) - self.write("%0.4d/%0.2d/%0.2d %0.2d:%0.2d %s [%s] %s\n" % - (y, mon, d, h, min, time.tzname[daylight], - eventDict['system'], text.replace("\n","\n\t"))) + self.write("%s%s\n" % + (self.prefix(eventDict), text.replace("\n","\n\t"))) self.flush() # hoorj! def start(self): @@ -306,8 +312,14 @@ _oldshowwarning = None -def startLogging(file, setStdout=1): - """Initialize logging to a specified file. If setStdout is true +def startLogging(file, *a, **kw): + """Initialize logging to a specified file. + """ + flo = FileLogObserver(file) + startLoggingToObserver(flo, *a, **kw) + +def startLoggingToObserver(obs, setStdout=1): + """Initialize logging to a specified observer. If setStdout is true (defaults to yes), also redirect sys.stdout and sys.stderr to the specified file. """ @@ -318,8 +330,7 @@ if defaultObserver: defaultObserver.stop() defaultObserver = None - flo = FileLogObserver(file) - flo.start() + obs.start() msg("Log opened.") if setStdout: sys.stdout = logfile Index: twisted/python/syslog.py =================================================================== RCS file: /cvs/Twisted/twisted/python/syslog.py,v retrieving revision 1.1 diff -u -u -r1.1 syslog.py --- twisted/python/syslog.py 23 Nov 2002 19:54:22 -0000 1.1 +++ twisted/python/syslog.py 2 Aug 2003 14:46:29 -0000 @@ -18,33 +18,25 @@ import sys import log -class SyslogLogger: - +class SyslogLogger(log.FileLogObserver): def __init__(self, prefix): - self.prefix = prefix + syslog.openlog(prefix) + + def prefix(self, eventDict): + return ("[%s] " % eventDict['system']) def write(self, data): if not data or data=='\n': return - logger = log.logOwner.owner() - if logger: - data = logger.log(data) data = data.split('\n') if not data[-1]: data.pop() for line in data: - syslog.syslog("[%s] %s" % (self.prefix, line)) - - def writelines(self, lines): - for line in lines: - self.write(line) - - def close(self): - pass + syslog.syslog(line) def flush(self): pass -def startLogging(prefix='Twisted'): - sys.stdout = sys.stderr = log.logfile = SyslogLogger(prefix) +def startLogging(prefix='Twisted', setStdout=1): + log.startLoggingToObserver(SyslogLogger(prefix), setStdout=setStdout) -- :(){ :|:&};: [View Less]

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