I find I had to make a catch all handler for logging to work:
in settings.py
...
'loggers': {
'': { # catch all logger
'handlers': ['console'],
'level': 'WARNING', # re-defined in settings_dev
'propagate': True
},
...
And in files I need logging I do:
import logging
logging.basicConfig(format='%(levelname)s
%(module)s@%(filename)s@%(funcName)s@%(lineno)d: %(message)s',
level=logging.DEBUG)
...
logging.debug('test')
...
-----Original Message-----
From: Gelonida N
Sent: Wednesday, April 18, 2012 4:41 AM
To: django-users@googlegroups.com
Subject: Re: Logging works from 'manage.py shell', not from app
On 04/13/2012 07:41 PM, Jeff Blaine wrote:
Hi all. I'm stumped on something. Using logging via 'manage.py shell' is
working as expected. Using it in the webapp generates zero data and
zero errors.
I'm not sure whether this is your problem, but please note, that logging
to a log file is not a good idea for django, which might spawn multiple
processes.
logging to log files works only from multiple threads (all spanweed by
the same process)
For very first tests you could use a stdout / stderr log handler or
lateron a socket logger.
NOTE: /var/log/hostdb.log is WORLD WRITABLE (in order to dodge any
permissions errors right now while debugging this)
My logging settings are as follows:
LOGGING = {
'version': 1,
'disable_existing_loggers': True,
'formatters': {
'verbose': {
'format': '%(levelname)s %(asctime)s %(module)s %(process)d
%(thread)d %(message)s'
},
'simple': {
'format': '%(levelname)s %(message)s'
}
},
'handlers': {
'console': {
'level':'DEBUG',
'class':'logging.StreamHandler',
'formatter': 'verbose'
},
'logfile': {
'level': 'DEBUG',
'class': 'logging.handlers.WatchedFileHandler',
'formatter': 'verbose',
'filename': '/var/log/hostdb.log',
'mode': 'a'
}
},
'loggers': {
'django.request': {
'handlers': ['logfile', 'console'],
'level': 'DEBUG'
}
}
}
For example, the following works fine (shows up in /var/log/hostdb.log):
python manage.py shell
import logging
l = logging.getLogger('django.request')
l.info('this is info!')
Yet I get absolutely nothing logged when a click through pages of the
app itself.
Any ideas?
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Daniel Sokolowski
Web Engineer
Danols Web Engineering
http://webdesign.danols.com/
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