Twisted February 2005

twisted@python.org

53 participants
73 discussions

Re: [Twisted-Python] twisted.enterprise.adbapi and connection pool problem
by L. Daniel Burr 15 Feb '05

15 Feb '05

> Restart was clean, while nobody was connected to the daemon. IMHO it > shouldn't go this way. Is there any solution to this problem? Or maybe > I > must take care of myself and try to detect such occurence and recreate > dbpool? There's no need to recreate dbpool, basic reconnecting logic is already there, if you look in SVN. Specifically, look at the ConnectionPool class: There are two kwargs that you can pass, cp_reconnect and cp_good_sql. I use this version in production as part of a simple database uptime monitor, and it works in a satisfactory manner. You may need to trap ConnectionLost errors in some cases, in order to re-send your original query. Hope this helps, Daniel

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[Twisted-Python] Parsing POST data inside render_POST
by snacktime 14 Feb '05

14 Feb '05

I couldn't find an example but I thought someone must have one laying around somewhere. The question is, how do I decode the data from an http POST inside of render_POST ? I'm not even sure what variables hold the data, and if there are builtin methods somewhere to decode it and possibly stick it in a dict? Chris

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[Twisted-Python] Twisted 2.0 pre-pre release on Windows
by Kevin Dangoor 14 Feb '05

14 Feb '05

Hi, I ran into two problems installing the Twisted 2.0 core pre-prerelease: 1) the post install script referred to by setup.py does not appear to exist 2) the twisted.python.dist module computed the data_files path with a leading "\". So, for example, setup.py tried to copy "\twisted\plugins.tml" rather than "twisted\plugins.tml" and couldn't find it. Kevin

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[Twisted-Python] Lock classes for berkely dbm files
by snacktime 14 Feb '05

14 Feb '05

Anyone have any thoughts on using a lock class (using deferreds) versus the built in transaction/locking support in BerkeleyDB? My thought was this. It sure would be a lot simpler to just use a lock class and the python built in dbm functions than having to use the newer bsddb3 module and worry about BerkeleyDb environments and transactions. The application is transaction oriented, and each transaction would have one write and one read, each in a different lock. Anyone see any problems with using a lock class in this way? Chris

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[Twisted-Python] Twisted for Corba/J2EE/COM+/etc. integration?
by Wolfgang Keller 13 Feb '05

13 Feb '05

Hello, dumb question: would Twisted be suitable for the implementation of a server application that exposes its services through Corba/COM/SOAP/whatever client-server communication technology is currently "en vogue"/will be so in the future? TIA, Best regards Wolfgang Keller

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[Twisted-Python] Authentication with Perspective Broker and hashed password file
by Dave Cook 13 Feb '05

13 Feb '05

I'd like to authenticate my PB client against a hashed password file, but I'm getting an error when I use a hash: Failure: twisted.cred.error.UnhandledCredentials: No checker for twisted.spread.interfaces.IJellyable, twisted.cred.credentials.IUsernameHashedPassword, twisted.cred.credentials.ICredentials, twisted.spread.pb.IUsernameMD5Password However, if I use plaintext passwords, it works fine. I'm working with the example in the book: http://twistedmatrix.com/documents/current/howto/pb-cred#auto7 with the credential checker set to import sha myChecker = checkers.FilePasswordDB("my_hashed_passwd_file", hash = lambda u, p, h: sha.new(p).hexdigest()) I've tested this checker and hash, and they work fine for logging in to my nevow site. The example works, though if I use plaintext passwords and don't pass in a hash: myPlaintextChecker = checkers.FilePasswordDB("my_plaintext_passwd_file") Thanks for any hints, Dave Cook

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[Twisted-Python] Weekly Bug Summary
by James Y Knight 12 Feb '05

12 Feb '05

Bug summary ______________________ Since 2005-02-07 04:13:42.640000: Bugs opened: 10 Bugs closed: 11 Total open bugs: 336 (-1) Urgent: 10 (-1) Bug: 132 (-4) Feature: 128 (+4) Wish: 66 (+0) New / Reopened Bugs ______________________ ==== Bug ==== [DOCUMENTATION] Make a separate tutorial index page (yesterday) CLOSED http://twistedmatrix.com/bugs/issue888 opened by hypatia [DOCUMENTATION] Make a separate tutorial index page (yesterday) http://twistedmatrix.com/bugs/issue889 opened by hypatia [APPLICATION, DOCUMENTATION] application howto has no example of writing a custom service (yesterday) http://twistedmatrix.com/bugs/issue884 opened by itamarst [CORE] SSL clients ugly, hide information, when server only supports TLS1.0 (yesterday) CLOSED http://twistedmatrix.com/bugs/issue882 opened by Tv [WEB] twisted.web.client thinks ConnectionLost pages are successful (yesterday) http://twistedmatrix.com/bugs/issue883 opened by Tv ==== Feature ==== [LORE] Allow links to third party API docs (yesterday) http://twistedmatrix.com/bugs/issue887 opened by hypatia Switch XMLRPC client to use twisted.web.client.getPage and expose its functionality (yesterday) http://twistedmatrix.com/bugs/issue885 opened by itamarst [DEFERRED, DOCUMENTATION] Deferred documentation should give an example of how to integrate blocking code (2 days ago) http://twistedmatrix.com/bugs/issue881 opened by snacktime [CORE] Logging in trial should have much higher timestamp resolution than default (3 days ago) http://twistedmatrix.com/bugs/issue880 opened by itamarst ==== Wish ==== [WEB] Rewrite twisted.web.client.getPage to support streaming of result data and returning headers etc. (yesterday) http://twistedmatrix.com/bugs/issue886 opened by itamarst Bugs Closed ______________________ ==== Urgent ==== [DOCUMENTATION] tutorial still using deprecated components.Interface (3 months ago) http://twistedmatrix.com/bugs/issue758 opened by spiv, closed by hypatia ==== Bug ==== Importing twisted.protocols.dns blocks for /dev/random (1 month ago) http://twistedmatrix.com/bugs/issue856 opened by ben, closed by exarkun [DOCUMENTATION] Confusing error in interface example (10 months ago) http://twistedmatrix.com/bugs/issue587 opened by edsuom, closed by hypatia [DOCUMENTATION] Finger line ending in The Evolution of Finger 3 (7 months ago) http://twistedmatrix.com/bugs/issue639 opened by br1, closed by hypatia [CORE, DOCUMENTATION] Add "why zope interfaces?" FAQ (4 months ago) http://twistedmatrix.com/bugs/issue744 opened by hypatia, closed by hypatia [CONCH, DOCUMENTATION] Typo in conch_client howto (7 months ago) http://twistedmatrix.com/bugs/issue653 opened by PenguinOfDoom, closed by hypatia [DOCUMENTATION] Make a separate tutorial index page (yesterday) http://twistedmatrix.com/bugs/issue888 opened by hypatia, closed by hypatia [CONCH] bug in examples/sshsimpleclient.py (1 month ago) http://twistedmatrix.com/bugs/issue857 opened by subterrific, closed by z3p [DOCUMENTATION] Error running example in components howto (6 months ago) http://twistedmatrix.com/bugs/issue674 opened by litnimax, closed by hypatia [CORE] SSL clients ugly, hide information, when server only supports TLS1.0 (yesterday) http://twistedmatrix.com/bugs/issue882 opened by Tv, closed by exarkun ==== Wish ==== Add Twisted (i.e. Deferred-based) Semaphore and Queue classes (7 months ago) http://twistedmatrix.com/bugs/issue644 opened by spiv, closed by exarkun

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[Twisted-Python] You are made active
by Stephen 12 Feb '05

12 Feb '05

1 0

[Twisted-Python] multiple arguments to a callback
by snacktime 11 Feb '05

11 Feb '05

Can you do something like this, assuming that _cbnext returns one,two,three,four,five ? d = req.dbpool.runInteraction(self.transaction._cbmakeDetailRec) d.addCallbacks(self._cbnext,log.err) def _cbnext(self,one,two,three,four,five):

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[Twisted-Python] apache authentication
by Gustavo Rahal 11 Feb '05

11 Feb '05

Hi I'm using apache as proxy to a xmlrpc server. How do I set the client xmlrpc to connect to apache using ssl, username and password? A prototype of my idea: from twisted.web.xmlrpc import Proxy from twisted.internet import reactor proxy = Proxy('https://localhost/RPC2') """ apache should redirect to 192.168.2.22:7080... how do I send username and password? """" proxy.callRemote('status_mds').addCallbacks(self.buildMDSObject, self.printError) ........ Thanks Gustavo

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Twisted February 2005