this looks useful - thanks!
On Jun 16, 3:53 am, Hans <johann.scheibelho...@easytouch-edv.com>
wrote:
> Important note: do *not* 'import logging' in your controller if you
> use log.py. its done for all your controllers already in the log.py
> model and it would break the log.py magic.
>
> On Jun 15, 7:46 pm, Hans <johann.scheibelho...@easytouch-edv.com>
> wrote:
>
> > Log file usage in Web2py is now simpler than ever!
> > You want to monitor the activities of your cron-driven web2py
> > functions?
>
> > To use the per application log file with rotating file handler in
> > web2py you need to put log.py (below) into your models folder. The log
> > file itself is created in your_web2py_path/applications/
> > your_application/app.log
>
> > Writing into the log file from your controller works as follows:
> > def my_function():
> > logging.debug('my function abc is starting')
> > logging.error('huston we got a %s problem.' % 'major')
> > return ()
>
> > Viewing the log file through your application works as follows:
> > def show_log():
> > return get_log()
>
> > If required the GAE solution needs work.
> > A BIG thank you to Iceberg!
> > Feedback and usage is welcome ;-)
>
> > Hans
>
> > Here is the log.py model version I use to enable logging for web2py
> > apps.
>
> > import logging
>
> > def _init_log(level=logging.DEBUG,formatter="%(asctime)s %(levelname)s
> > %(funcName)s():%(lineno)d %(message)
> > s",filename='app.log',maxBytes=1024*1024,backupCount=2):
> > import os,logging.handlers
> > logger=logging.getLogger(request.application)
> > logger.setLevel(level)
> > 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)
> > handler.setLevel(level)
> > handler.setFormatter(logging.Formatter(formatter))
> > logger.addHandler(handler)
> > logger.debug("web2py application %s starting" %
> > request.application)
> > return logger
>
> > def get_log():
> > try:
> > f = open(logging.handlers[0].baseFilename, 'r')
> > c = f.readlines()
> > f.close()
> > return {'log':TABLE(*[TR(str(item)) for item in c])}
> > except:
> > return ()
>
> > logging=cache.ram('mylog',lambda:_init_log(),time_expire=99999999)
>
> > On Jun 11, 10:20 am, Iceberg <iceb...@21cn.com> wrote:
>
> > > Not at all.
>
> > > The cache.ram in log.py is to make sure the logger is inited only
> > > once, otherwise we will see more and more duplicate log appearing in
> > > the log file as Hans mentioned in his earlier posts. The only downside
> > > is that you need to restart web2py if you change (but usually you
> > > don't need to) log definition.
>
> > > As to the "OPTIONAL in controller" part, you can ignore it. They are
> > > just a rough demo and not necessary.
>
> > > On Jun11, 3:17am, mdipierro <mdipie...@cs.depaul.edu> wrote:
>
> > > > Why do you need to cache the logging module? Is this only for speed?
>
> > > > On Jun 10, 1:44 pm, Iceberg <iceb...@21cn.com> wrote:
>
> > > > > After changing from FileHandler to RotatingFileHandler, now I think
> > > > > the per-app log can be turned on by default (otherwise new comers
> > > > > won't notice this good feature).
>
> > > > > The only thing I am still not sure is whether one can use logging and
> > > > > its FileHander (or RotatingFileHander) on GAE's readonly filesystem.
> > > > > Tests are welcome.
>
> > > > > Anyway, this is my latest code. Maybe it can help you.
>
> > > > > import logging
> > > > > def _init_log(level=logging.DEBUG):
> > > > > import os,logging.handlers
> > > > > logger=logging.getLogger(request.application)
> > > > > logger.setLevel(level)
> > > > > 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,'app.log'),maxBytes=1024*1024,backupCount=2)
> > > > > handler.setLevel(level)
> > > > > handler.setFormatter(logging.Formatter(
> > > > > "%(asctime)s %(levelname)s %(funcName)s():%(lineno)d %(message)
> > > > > s"))
> > > > > logger.addHandler(handler)
> > > > > return logger
> > > > > logging=cache.ram('mylog',lambda:_init_log(),time_expire=99999999)
>
> > > > > OPTIONAL in controller:
>
> > > > > def log():
> > > > > if request.vars: # append
> > > > > history=cache.ram('log_in_cache',lambda:[],time_expire=99999999)
> > > > > history.append(request.vars)
> > > > > cache.ram('log_in_cache',lambda h=history:h,time_expire=0)#set
> > > > > else: # show
> > > > > return {'':TABLE(*[TR(item) for item in
> > > > > cache.ram('log_in_cache',lambda:None,time_expire=99999999)])}
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"web2py Web Framework" group.
To post to this group, send email to web2py@googlegroups.com
To unsubscribe from this group, send email to
web2py+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/web2py?hl=en
-~----------~----~----~----~------~----~------~--~---
