Well done Yarin! Some comments.

1. Change those time_expire=99999999 into time_expire=None please. The clumsy 
99999999 trick was my early "invention" before I know the time_expire=None 
approach.

2. My another later improvement is to write the log file at {web2py 
path}/applications/{your app}/static/app.log
so that developer can easily access the log file by 
http://your_host/your_app/static/app.log
Well, you can refer to the attachment for my latest implementation. Some more 
trick inside.

3. @Massimo, I suggested to include the applog.py into welcome/model/applog.py 
since day1 I invented this little component. Only this way people will have an 
official place to always have the latest code, rather than dig some 
not-the-latest post from different places. So please do consider it this time.

4. @Yarin, when last time I said "putting the web2py db instance, rather than a 
filename, to initialize your SQLiteHandler() class", I mean something like:
    def _init_sqlite_log(level=logging.DEBUG):
        handler = SQLiteHandler( db ) # db is defined by: db = 
DAL('sqlite://storage.sqlite')
        # or
        handler = SQLiteHandler( DAL('sqlite://log.sqlite') )
There is some more implementation to do, but you get the idea.


5. With respect to GAE, this was my "concept  vehicle":

    if request.env.web2py_runtime_gae: # if running on Google App Engine
        
handler=logging.handlers.HTTPHandler(request.env.http_host,URL(r=request,f='log'))
        # assuming there is an optional log action

but I never test it. I think a practical solution would be implement some log 
handler which wraps GAE's own log facility.

Best regards,
                            Iceberg, 2010-Jul-24, 02:35(AM), Sat



----------------------- Original Message -----------------------
From:    Yarin Kessler <ykess...@gmail.com> 
To:      Massimo Di Pierro <mdipie...@cs.depaul.edu> 
Cc:      web2py-users <web2py@googlegroups.com>, Iceberg <iceb...@21cn.com>, 
Hans <johann.scheibelho...@easytouch-edv.com>, Richard <richar...@gmail.com>, 
MikeEllis <michael.f.el...@gmail.com>, cjparsons <cjparso...@yahoo.co.uk>
Date:    Fri, 23 Jul 2010 09:56:17 -0400
Subject: Re: SQLite Logging
-------------------

> Glad you like- I'd love to see this as part of the core.  Let me know if
> there's anything else I can do.
> 
> >I am not so keen to include the sqlite part because it is too specific
> 
> Is this because it requires the extra module?  I kept it separate because
> it's a Python, not web2py, specific class, but we could easily bake it into
> log.py.
> Personally I'm a big fan of SQLite for logging- what would it take to make
> it less specific and ready for inclusion?
> 
> >we would need a way to deal with GAE/
> 
> Hans/Iceberg had a GAE solution in their orig file, but I haven't tested it:
> 
> if request.env.web2py_runtime_gae: # if running on Google App Engine
> 
>  
> handler=logging.handlers.HTTPHandler(request.env.http_host,URL(r=request,f='log'))
> # assuming there is an optional log action
>     else:
> 
>  
> handler=logging.handlers.RotatingFileHandler(os.path.join(request.folder,filename),maxBytes=maxBytes,backupCount=backupCount)
> 
> I'll re-introduce it into the code though.
> 
> 
> On Fri, Jul 23, 2010 at 9:38 AM, Massimo Di Pierro
> <mdipie...@cs.depaul.edu>wrote:
> 
> > Very good work. We should think about a way to include this in web2py core.
> >
> > I am not so keen to include the sqlite part because it is too specific but:
> >
> > I see the log.py file could go in contrib with minimal changes (it it were
> > implemented as a function that takes the request and cache objects)
> >
> > we would need a way to deal with GAE/
> >
> >
> > On Jul 23, 2010, at 8:24 AM, Yarin wrote:
> >
> >  Added a slice: Application Logging
> >> http://web2pyslices.com/main/slices/take_slice/91
> >>
> >> It covers logging to both a file and SQLite.  The code is well
> >> documented- use this instead of the previous code. Would love to get
> >> your comments.
> >>
> >> @Iceberg, btw apparently the SQLite cross-thread issues weren't solved
> >> by using the default DB after all.  I added a thread-safe work around,
> >> but suggestions are welcome.

Attachment: applog.py
Description: Binary data

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