How to print log to file under Django Python

Question

I am new to python and Django, so if you can provide a solution with more details and explanation that would be great.

I am using python 2.7.9, Django <1, 11, 2, u'final', 0>
I started a Django project by VS2015.
I want to print log to file.

I added the following code to settings.py:

LOGGING = {
    'version': 1,
    'disable_existing_loggers': True,
    'formatters': {
        'standard': {
            'format' : "[%(asctime)s] %(levelname)s [%(name)s:%(lineno)s] %(message)s",
            'datefmt' : "%d/%b/%Y %H:%M:%S"
        },
    },
    'handlers': {
        'null': {
            'level':'DEBUG',
            'class':'logging.NullHandler',
        },
        'logfile': {
            'level':'DEBUG',
            'class':'logging.handlers.RotatingFileHandler',
            'filename': "./logfile",
            'maxBytes': 50000,
            'backupCount': 2,
            'formatter': 'standard',
        },
        'console':{
            'level':'INFO',
            'class':'logging.StreamHandler',
            'formatter': 'standard'
        },
    },
    'loggers': {
        'django': {
            'handlers':['console'],
            'propagate': True,
            'level':'WARN',
        },
        'django.db.backends': {
            'handlers': ['console'],
            'level': 'DEBUG',
            'propagate': False,
        },
        'MYAPP': {
            'handlers': ['console', 'logfile'],
            'level': 'DEBUG',
        },
    }
}

I added the following code to views.py:

import logging
logger = logging.getLogger(__name__)
def hello_world(request):
    logger.error('Testing error log')
    return render(request, 'hello_world.html', {
        'current_time': str(datetime.now()),
    })

The problem is that a file named logfile is generated but there is nothing inside the file.
I have my project like this:

is your project named 'MYAPP'? if not please replace the name with project/module name it will start working. code seems fine to me. — Vikash Singh
– Vikash Singh, Commented Jun 26, 2017 at 8:08

Vikash Singh · Accepted Answer · 2017-06-26 08:43:35Z

1

As mentioned in the comment:

is your project named 'MYAPP'? if not please replace the name with project/module name it will start working. code seems fine to me.

Your project seems to be named TryDjangoWebProject, but root module is named app you can use that, as you have.

edited Jun 26, 2017 at 8:43

answered Jun 26, 2017 at 8:22

Vikash Singh

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2 Comments

sflee Over a year ago

Thank you very much. Before I asked, I have tried TryDjangoWebProject but that is not working /.\ Also, the log file can be generated so I thought that may be caused by other problem.

Vikash Singh Over a year ago

@sflee Corrected the answer as per your comment.

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