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<johannesV> good morning
<derek> yikes morning for you already
<derek> that is a sure sign it is my bed time
<johannesV> :)
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<johannesV> bbl
<reinhard> good morning
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<kilo> good morning
<derek> so is it a good day or a bad one?
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<derek> im just getting ready for bed and would like to know if tomorrow is worth waking up for ;)
<kilo> hmmm hard to answer that
<kilo> btami \o/
<btami> hi all
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* johannesV_ back
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<erkki> hello, a question about appserver procedures.. how are concurrent procedures handled? is some sort of locking/queueing included in appserver or is it up to the application writer to do that?
<johannesV_> can you be a bit more precise about the word "concurrent" ? do you have two sessions running the same procedure at the same time ?
<johannesV_> appserver doesn't introduce it's own locking ...
<johannesV_> this is done by the backend (by using transactions)
<kilo> lol, reinhard the mail you sent to my gnue address arrived *now* :)
<johannesV_> appserver usually forks a new process per session (on connect)
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<erkki> yeah, I mean two sessions running the same procedure, at the same time.. can the two procedures run in paraller or do they run in some sort of queue
<erkki> for example, incrementing/decrementing a counter in a procedure, by getting the value first, adding something to it, and then saveing the value..
<erkki> does appserver some how force the procedures run after eachother, or must some sort of locking be included in the procedure itself
<kilo> bbl
<kilo> :w
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<johannesV_> as i've mentioned before appserver starts a new process per session, so there's no queue and both procedures are running parallel (depending on the os and it's concept of multitasking :)
<johannesV_> regarding locks: this depends on the backend you're using
<johannesV_> if you can access the same information from within multiple transactions ...
<johannesV_> but i think you'd like to have some sort of 'manual' locking in such a situation
<erkki> ok, thanks, I think things got clearer.. does appserver automatically use transactions for its stuff? .. presuming that the backend supports transactions..
<reinhard> erkki: yes, it does
<erkki> ok, thanks
<erkki> I'm still thinking about the locking issue I asked about earlier.. is it possible to "hint" appserver to use certain sql features? for example, to tell postgres to use certain locks within a query/transaction?
<reinhard> there is no support for locking in appserver at all so far
<reinhard> and we avoid implementing backend specific features
<reinhard> locking is on our todo list, although way down
<erkki> ok, understandable.. was just thinking about the feature to fall-back on sql level for certain things but I suppose that would invalidate the whole point of the application-server..
<erkki> gotcha
<reinhard> right
<reinhard> now you can implement a complete application on sqlite
<reinhard> then at one point you go into production you can switch to postgres with changing a single line in connections.conf (more or less)
<reinhard> then when app grows, you can easily migrate to maxdb if you like
<erkki> yeah
<reinhard> and there might be a time when you can, for whatever purpose, use csv files as your backend
<erkki> .. when someone writes the backend driver?:p
<reinhard> there *is* a csv backend driver, but it only supports read-only access so far
<erkki> oh
<btami> it's good for testing reports without real db
<reinhard> hmmm.....
<reinhard> actually I just think of a project where it could really be cool to use csv as a backend
<reinhard> it's a simple address maintenance with forms (without appserver)
<btami> yep
<reinhard> storing things in csv would enable the user to open his data "tables" directly in excel or OOo without any exporting
<reinhard> for creating a mailing, for example
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<johannesV_> why should one change from postgres to maxdb ?
<johannesV_> bbl
<reinhard> maybe because he's consultant and wants to sell more working hours ;-P
<erkki> .. gotta add that to my bag-of-tricks?:p
<erkki> gnue-gsdgen -o test -c appserver
<erkki> Loading class repository ...
<erkki> Reloading class repository ...
<erkki> DB000: Traceback (most recent call last):
<erkki> DB000:    File "/usr/lib/gnue/common/rpc/drivers/xmlrpc/ServerAdapter.py", line 278, in do_POST
<erkki> DB000:     params)
<erkki> DB000:    File "/usr/lib/gnue/common/rpc/drivers/xmlrpc/ServerAdapter.py", line 124, in call
<erkki> DB000:     result = self._tcpServer._dispatch (method, params)
<erkki> DB000:    File "/usr/lib/python2.4/SimpleXMLRPCServer.py", line 406, in _dispatch
<erkki> DB000:     return func(*params)
<erkki> DB000:    File "/usr/lib/gnue/appserver/geasSessionManager.py", line 294, in request
<erkki> DB000:     result = s.request (classname, conditions, sortorder, propertylist)
<erkki> DB000:    File "/usr/lib/gnue/appserver/geasSession.py", line 339, in request
<erkki> DB000:     classdef = self.__getClassdef (classname)
<erkki> DB000:    File "/usr/lib/gnue/appserver/geasSession.py", line 128, in __getClassdef
<erkki> DB000:     return self.sm.repository.classes [classname]
<erkki> DB000:    File "/usr/lib/gnue/common/utils/CaselessDict.py", line 140, in __getitem__
<erkki> DB000:     raise self.__notFoundError, tuple ([dkey] + list (self.__exceptionArgs))
<erkki> DB000:  ClassNotFoundError: Class 'gnue_module ' not found in class repository
<erkki> any ideas anyone?:)
<erkki> the appserver connection is working, and has a working schema inside.. at least forms works with a small inventory app
<erkki> latest release version of tools..
<reinhard> hmmm
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<reinhard> strange
<reinhard> errm no
<reinhard> not strange
<reinhard> you must run gnue-gsdgen on the db connection, not on the appserver connection
<erkki> ok, will try that..
<erkki> getting another error when trying with the db
<erkki> gnue-gsdgen -o test -c gnue
<erkki> Loading class repository ...
<erkki> Reloading class repository ...
<erkki> Class repository loaded
<erkki> Building list of classes and calculating dependencies ...
<erkki> Generating schema definition ...
<erkki> Exporting data of class 'INVENT_itemSize' ...
<erkki> DB000: Traceback (most recent call last):
<erkki> DB000:    File "/usr/bin/gnue-gsdgen", line 34, in ?
<erkki> DB000:     gsdGen.run ()
<erkki> DB000:    File "/usr/lib/gnue/appserver/geasGsdGen.py", line 162, in run
<erkki> DB000:     self.__exportClass (classname)
<erkki> DB000:    File "/usr/lib/gnue/appserver/geasGsdGen.py", line 205, in __exportClass
<erkki> DB000:     self.__normalDataDump (cDef, fieldlist, rows)
<erkki> DB000:    File "/usr/lib/gnue/appserver/geasGsdGen.py", line 223, in __normalDataDump
<erkki> DB000:     (dts, fields) = self.__openSource (classDef, fieldlist)
<erkki> DB000:    File "/usr/lib/gnue/appserver/geasGsdGen.py", line 787, in __openSource
<erkki> DB000:     attributes = {'name'      : "dts_%s" % table,
<erkki> DB000:  AttributeError: geasSessionManager instance has no attribute '_internalSession'
<reinhard> ok
<reinhard> do you run svn or release?
<erkki> release
<erkki> the svn server was down a few days ago:p
<erkki> svn co http://svn.gnuenterprise.org/gnue/trunk gnue
<erkki> svn: REPORT request failed on '/gnue/!svn/vcc/default'
<erkki> svn: REPORT of '/gnue/!svn/vcc/default': 400 Bad Request (http://svn.gnuenterprise.org)
<erkki> seems like a svn internal db error or something..
<reinhard> ouch
<reinhard> I can't reproduce the error at the moment
<reinhard> will be back later, must run
<erkki> ok
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<reinhard> erkki: is it possible that you have some version mismatch?
<reinhard> e.g. some parts of a svn install mixed with a release install?
<derek> bigbrother_: weather 85233
<bigbrother_> derek: The current temperature in Weather Underground is 45°F.
<erkki> reinhard: possibly, I had a old install of gnue maybe 6 months ago.. now, when I installed the newer versions, I had to manually remove the pyc files to get things running
<reinhard> ah oh
<erkki> and the svn thingy, possibly a error on my side also.. as a checkout in another machine worked for me too
<reinhard> ok
<reinhard> the error above seems to be a mixture of versions
<erkki> will try cvs and then see if the gsd error is there also or not
<reinhard> ok
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<erkki> should file="asd.py" tags in gcd files work with relative paths? appserver seems to require full paths, when reading classes from a "module directory"
<erkki> s/tags/attributes/
<reinhard> problem is that putting a program in the background makes it forget its current working directory
<reinhard> so relative paths don't work if you run appserver in background
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<erkki> ok
<reinhard> gpl 3 draft is out
<reinhard> http://gplv3.fsf.org/draft
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<erkki> reinhard: update on the gsdgen problem.. got the same error when I installed the release version on a clean machine, so no version mismatch things.. tried cvs then and gsdgen worked
<erkki> .. why is it always, that I get gnue bugs that are fixed on the cvs and not fixed on the current "release":p.. should try to learn to test cvs more often:p
<reinhard> hmmm
<reinhard> ok
<reinhard> so it must have been fixed by chance
<reinhard> we didn't even know this bug existed...
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<johannesV__> reinhard, that's not true
<johannesV__> i've fixed that bug while i migrated to the object oriented rpc interface
<johannesV__> that was where i've found it ...
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<reinhard> oh
<reinhard> ok
<erkki> ./gnue-navigator/doc/gnue-navigator.dtd
<erkki> oops
<erkki> wrong paste buffer:p
<erkki> Traceback (most recent call last):
<erkki>    File "/home/erkki/gnue/.cvsdevelbase/gnue/navigator/UIgtk2.py", line 723, in __about
<erkki>     text % (VERSION,'-','-','-','-'))
<erkki>  TypeError: flag values must be strings, ints, longs, or tuples
<erkki> that's the right one.. navigator using gtk2 ui frontend.. "about" menu
<erkki> "help>about"*
<reinhard> huiii
<reinhard> I think it's been a time that I've last looked at navigator...
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<reinhard> good night
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<kilo> @seen btami
<bigbrother`> kilo: btami was last seen in # 6 hours, 34 minutes, and 8 seconds ago saying: <btami> yep
<bigbrother_> kilo: btami was last seen here 6 hours, 34 minutes, and 11 seconds ago saying: <btami> yep
<kilo> damnz
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