seitime-frappe/frappe/utils/logger.py
Gavin D'souza ad1152f8e8 feat: override site name via _site
added filter parameter for logger
2020-07-27 17:13:18 +05:30

82 lines
2.5 KiB
Python
Executable file

# imports - compatibility imports
from __future__ import unicode_literals
# imports - standard imports
import logging
import os
from logging.handlers import RotatingFileHandler
# imports - third party imports
from six import text_type
# imports - module imports
import frappe
default_log_level = logging.DEBUG
site = getattr(frappe.local, 'site', None)
def get_logger(module, with_more_info=False, _site=None, filter=None):
"""Application Logger for your given module
Args:
module (str): Name of your logger and consequently your log file.
with_more_info (bool, optional): Will log the form dict using the SiteContextFilter. Defaults to False.
_site (str, optional): Overrides the global site variable set in this scope. Defaults to None.
filter (function, optional): Add a filter function for your logger
Returns:
<class 'logging.Logger'>: Returns a Python logger object with Site and Bench level logging capabilities.
"""
global site
if module in frappe.loggers:
return frappe.loggers[module]
if not module:
module = "frappe"
with_more_info = True
logfile = module + '.log'
site = getattr(frappe.local, 'site', None)
equivalent_site = _site or site
LOG_FILENAME = os.path.join('..', 'logs', logfile)
logger = logging.getLogger(module)
logger.setLevel(frappe.log_level or default_log_level)
logger.propagate = False
formatter = logging.Formatter('%(asctime)s %(levelname)s %(name)s %(message)s')
handler = RotatingFileHandler(LOG_FILENAME, maxBytes=100_000, backupCount=20)
logger.addHandler(handler)
if equivalent_site:
SITELOG_FILENAME = os.path.join(equivalent_site, 'logs', logfile)
site_handler = RotatingFileHandler(SITELOG_FILENAME, maxBytes=100_000, backupCount=20)
site_handler.setFormatter(formatter)
logger.addHandler(site_handler)
if with_more_info:
handler.addFilter(SiteContextFilter())
if filter:
logger.addFilter(filter)
handler.setFormatter(formatter)
frappe.loggers[module] = logger
return logger
class SiteContextFilter(logging.Filter):
"""This is a filter which injects request information (if available) into the log."""
def filter(self, record):
if "Form Dict" not in text_type(record.msg):
record.msg = text_type(record.msg) + "\nSite: {0}\nForm Dict: {1}".format(site, getattr(frappe.local, 'form_dict', None))
return True
def set_log_level(level):
'''Use this method to set log level to something other than the default DEBUG'''
frappe.log_level = getattr(logging, (level or '').upper(), None) or default_log_level
frappe.loggers = {}