Mailman 3 July 2002 - Twisted

[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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[Twisted-Python] [patch] mktap web --resource
by Sune Kirkeby 12 Aug '02

12 Aug '02

Hi, all! Attached is a short patch to add a --resource option to "mktap web", here is the --help for it: -r, --resource= <class> is the name (including module) of a subclass of twisted.web.resource.Resource to publish. So you can have any subclass of t.w.r.Resource be the 'root' of your web-server. I have also been working on a few other things: - an async Pytho-only PostgreSQL interface (not t.e.adbapi compatible, since I am not usre I like it's interface and need to play a bit before I figure out how I would like an async SQL-database interface to behave.) - a SQLResultWidget, very dull right now but I will probably hack some BoboDTML support into it. first-post-but-not-like-/.-ly yrs, -- Sune Kirkeby | /* we're still looking for the end of the | * server's header ... (does that make header | * parsing an "out of body experience" ? */ | -- jcc.c in junkex source-code

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[Twisted-Python] Patch for dbauth.tac in examples
by Steve Waterbury 06 Aug '02

06 Aug '02

Since I want to implement a PB-based app with db authorization, I was tinkering with the dbauth.tac example in an effort to educate myself. Changed "passport" to "cred" and set the database explicitly (created the dbcred tables in the "twisted" database that bugs uses). "Create an Identity", "remove", and "[change] password" work; there seems to be a problem with gotPerspectives' call to dbgadgets.py, but I haven't messed with gadgets (don't need them yet), so I won't be looking at that. (A gadgets cognoscente could fix it in seconds, anyway, I'm sure! ;^) Cheers, -- Steve. Stephen C. Waterbury http://misspiggy.gsfc.nasa.gov/people/waterbug.html *** dbauth.tac Tue Jul 30 10:25:04 2002 --- dbauth-new.tac Tue Jul 30 09:50:37 2002 *************** *** 1,18 **** #!python from twisted.internet.app import Application - from twisted.internet import passport from twisted.words import service, ircservice ! from twisted.enterprise import adbapi, dbpassport, dbgadgets from twisted.web import server ! auth = dbpassport.DatabaseAuthorizer(adbapi.ConnectionPool("pyPgSQL.PgSQL")) a = Application("db-auth", authorizer=auth) ws = service.Service("twisted.words", a) gdgt = dbgadgets.IdentitiesGadget(auth) ! a.listenOn(8486, server.Site(gdgt)) a.listenTCP(6667, ircservice.IRCGateway(ws)) --- 1,17 ---- #!python from twisted.internet.app import Application from twisted.words import service, ircservice ! from twisted.enterprise import adbapi, dbcred, dbgadgets from twisted.web import server ! auth = dbcred.DatabaseAuthorizer(adbapi.ConnectionPool("pyPgSQL.PgSQL", database="twisted")) a = Application("db-auth", authorizer=auth) ws = service.Service("twisted.words", a) gdgt = dbgadgets.IdentitiesGadget(auth) ! a.listenTCP(8486, server.Site(gdgt)) a.listenTCP(6667, ircservice.IRCGateway(ws))

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[Twisted-Python] Dynamic web application using twisted.web.resource
by Mukhsein Johari 03 Aug '02

03 Aug '02

Hello fellow twisters, This is a question (albeit a long one) directed at twisted.web and resource. The project: I would like to serve a dynamic website using the twisted web server. I understand that the webserver's 'root' directory can be set at a file? I may have a misunderstanding of the code and docs but if so, feel free to set me straight. The website (not real): http://www.mywebsite.com/ This is the root of the site, which is in reality a erm..rpy? program? Which means that there are _no_ static pages at all. And no other 'file' - everything goes through that .rpy file. (or whatever else I should be using) In a browser, entering this would get a dynamically 'constructed' page which is in fact: myobject.index() From here on, something like: http://www.mywebsite.com/projects/project_ako would actually be (in the code) something like: myobject.projects["project_ako"].index(myvar=None) which returns an html page suitable for the browser's consumption. On the other hand this: http://www.mywebsite.com/projects/project_ako?myvar=bold (for http GET. POST should be handled as well...how? I am guessing the request object?) Would call: myobject.projects["project_ako"].index(myvar='bold') Any other subobject of project_ako would 'call' a method on that object. So for: http://www.mywebsite.com/projects/project_ako/getSize Would call: myobject.projects["project_ako"].getSize() The return value being sent back to the browser. Calls to non-existing methods get a "No such method or object" error returned - formatted, of course. The question is of course, how do you differentiate between an object and a method? This is done by the application itself. It would check to see if that object has a method with that name, if not check to see if it has a child object with that name. Else return error. The thing is, I know I need to use twisted.web.resource but I'm not sure _how_. How does this fit in with the .rpy file? I think I need to create my modules and classes and then create an .rpy which acts as the erm..'interface' to the modules and classes. Could someone give me some hints and tips? Conceptually, it's quite simple but I can't seem to figure out how to do it with twisted...Anyway, thanks for any help, in advance. -- Regards, Mukhsein Johari

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[Twisted-Python] You guys rock
by barry＠zope.com 31 Jul '02

31 Jul '02

I wanted to test out some news/mail gatewaying for Mailman 2.1 but I didn't want to go through the hassle of actually connecting things up to a real news server, and I /definitely/ didn't want to actually try to install inn or some nonesense (I'd like to do some other work this week :). I wished I had something like Lib/smtpd.py in the Python distro for the server side of NNTP, then it dawned on me that I remember Moshe and crew saying that Twisted comes with a news server. Well, let's just see how easy it would be to hook up. You guys have a big problem, because it was /way/ too easy to do! How are you going to make the big consulting bucks? :) Three commands and I had an nntp server with a single newsgroup that was featured enough to connect Mozilla to, and to point Mailman's gateway at and actually get messages flowing back and forth. Congratulations! I don't know if I'm going to do much else with Twisted, but I /would/ like to try to figure out how to use it in a Mailman functional test suite. Right now I have some very ugly kludges to start up smtpd.py, send a message to it, and then suck the message out and compare the results with what I expect. As time permits I think I'll try to see how easy it would be to use Twisted in the role of smtpd.py, and add some tests for news as well as mail. The main issue is that unittest must be able to fire off the server, and extract information from it once the message has been propagated. My current test is pretty kludgy, but I'll spare you the asyncgore (sic). What would be ideal would be to be able to create a Twisted service but don't start it, send a message via Mailman machinery, then start the server and block on reading that message back from Twisted (with a timeout). I'd run Twisted with both an SMTP and NNTP server. Has anybody else thought about using Twisted in a unit or functional test situation? I'm not on this list so please CC me. Anyway, good stuff, thanks. -Barry P.S. You guys need a bass player. :)

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Re: [Twisted-Python] Please allow download of tarballs from viewcvs[2]
by Jon Dyte 30 Jul '02

30 Jul '02

Hi I'd like to second this request. Downloading cvs versions via the viewcvs page would be a big win. +1 Jon

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[Twisted-Python] Please allow download of tarballs from viewcvs[2]
by norbert.klamann＠klamann-software.de 30 Jul '02

30 Jul '02

[Sorry, forgot to sign the mail] Hello, list, would you mind to allow the generation of tarballs from cvs repository on the fly? It is technically possible in viewcvs, at least on new versions. It is a Setting in viewcvs's configuration file. I can't use cvs in itself because of firewall issues on customer's site. Cvsgrab doesn't cut it either, because it can't handle the parameter handling of your viewcvs installation. Another possibility would be an upgrade to viewcvs à la sourceforge, i.e. 0.8. Thanks for your help ! Norbert Klamann norbert.klamann(a)klamann-software.de

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[Twisted-Python] Please allow download of tarballs from viewcvs
by norbert.klamann＠klamann-software.de 30 Jul '02

30 Jul '02

Hello, list, would you mind to allow the generation of tarballs from cvs repository on the fly? It is technically possible in viewcvs, at least on new versions. It is a Setting in viewcvs's configuration file. I can't use cvs in itself because of firewall issues on customer's site. Cvsgrab doesn't cut it either, because it can't handle the parameter handling of your viewcvs installation. Another possibility would be an upgrade to viewcvs à la sourceforge, i.e. 0.8. Thanks for your help !

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[Twisted-Python] API docs
by Christopher Armstrong 30 Jul '02

30 Jul '02

I was talking to MetaCosm, and he said the template for API docs he uses in his professional projects is like so: """ Usage: foo() -> baz Examples: if blah(): foo() Big Picture: (!!) This class is meant to be used in a Quuxer, and you should usually override the getBaz method to return a Spam instance, although it's not required. NOTES: This class is currently in a state of flux; it will soon be refactored, so watch out for API changes """ etc. The main thing here is "Big Picture", which should give the method/class some context. NOTES is mainly for temporary stuff; It's probably not crucial to be in the docstrings (probably it should just be in near-by #XXX comments). So yeah, I urge people who are writing docstrings to put stuff into context; I'll try to do the same thing. Whether or not you use a similar format isn't really important, but it seems sane enough to me. We'll probably be doing a lot of this during the 0.99.0 cycle, but it's never too early to start improving documentation :) Anyway, enough rambling: off to bed with me. -- Chris Armstrong << radix(a)twistedmatrix.com >> http://twistedmatrix.com/users/carmstro.twistd/

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[Twisted-Python] FAST 03 (Usenix conference on File Storage Technologies)
by Laura Creighton 29 Jul '02

29 Jul '02

I was looking for interesting conferences where Strakt could present a paper and found this one. I think that a paper on Twisted would be accepted if anybody is interested in writing one. 4000 - 6000 words due Sept 03. (Automatic extension to Sept 10). There is also a request for 'works in progress' and 'provocative opinions'. These only have to be one page long. They mention that they are particularly interested in student work. See: http://www.usenix.org/events/fast03/cfp/ if anybody has time and are interested. The conference will be in San Jose CA March 31-April 2. Laura Creighton

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