[albatross-users] problems with a RandomModularSessionApp

Mon Apr 14 02:57:53 EST 2003

Argh ... indentation of the code went screwy. You get the idea anyway.

Tom L

>From: "Tommy !!" <the_edge2020 at hotmail.com>
>To: albatross-users at object-craft.com.au, chironsw at swbell.net
>Subject: Re: [albatross-users] problems with a RandomModularSessionApp
>Date: Mon, 14 Apr 2003 02:54:07 +1000
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>Hi again Greg,
>
>Excuse the delay in posting this, life's tough when you're a student :P
>
>I'll continue on with the bugs I've discovered and fixed ...
>
>As a refresher, for anyone who missed my last post, there is a nasty bug in 
>apacheapp.py. Simple little typo, really. But it's nasty enough to stop 
>your program cold when using mod_python with albatross, as poor old Greg 
>found out.
>
>The fix is as follows:
>
>replace line 34 with the following:
>
>        return self.__req.server.server_hostname
>
>And the new stuff, which you will almost certainly encounter with 
>SessionFileApp-style applications:
>
>In sessionfile.py, you may encounter problems when your session is first 
>created due to a KeyError being raised in 
>SessionFileContextMixin._get_sesid_from_cookie. The reason being that it 
>tries to grab the session ID from the cookie (as the method name implies) - 
>the thing is, the cookie hasn't been set when it's called.
>
>Thus, the line 'return os.path.basename( c[self.app.ses_appid()].value )' 
>throws a KeyError since the SimpleCookie c does not have the cookie set 
>just yet since the session has just started. Ouch.
>
>There's a few ways to fix this. All work to the same effect, however, so 
>I'll present the simplest:
>
># BEGIN FIXED CODE, LINE 36, sessionfile.py
>
>try:
>  return os.path.basename( c[self.app.ses_appid()].value )
>except OSError:
>  pass
>#
># FIX: catch a KeyError exception that may be thrown in the try
># clause.
>#
>except KeyError:
>  pass
>
>return None
>
># END FIXED CODE
>
>And there you have it. Little problems like this are here and there in 
>Albatross.
>
>Strangely, I still haven't heard back from the object-craft team regarding 
>the initial bug you mentioned. Oh well.
>
>Take it easy, I'll post more bugs as I/if I find them.
>
>Kind regards,
>Tom L
>
>
>
>
>
>
>>From: Chiron Consulting <chironsw at swbell.net>
>>To: Tommy !! <the_edge2020 at hotmail.com>
>>Subject: Re: [albatross-users] problems with a RandomModularSessionApp
>>Date: Thu, 10 Apr 2003 13:33:03 +0000
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>>
>>>To fix it simply replace the line (in apacheapp.py -> you'll have to get 
>>>your hands dirty with the albatross source code):
>>>
>>>self.__req.connection.server.server_hostname
>>>
>>>with:
>>>
>>>self.__req.server.server_hostname
>>
>>Great.  That did it.
>>
>>>You will find a few other small bugs are also present. More on that 
>>>later...
>> > All the bugs I've come across so far can be resolved with small
>> > edits of the albatross source code.
>>
>>Please post them at your earliest convenience, the sooner the better. Any 
>>fixes you can post are things I won't have to find and fix for myself.  
>>Unless you can get the object-craft people to integrate them and release a 
>>new minor version.
>>
>>>Long live OSS, eh?
>>
>>Eh, indeed! Thanks loads.
>>
>>--
>>Greg Goodman
>>Chiron Consulting
>>
>
>
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