addons-server/lib/metlog_shim.py

58 строки
1.9 KiB
Python
Исходник Обычный вид История

from __future__ import absolute_import
from metlog.client import SEVERITY
import logging
class MetlogTastypieHandler(logging.Handler):
"""
This handler will *only* handle error level logging
and it meant as a temporary shim to add Metlog's Raven capability
to the standard python logging library.
It is only intended for use with django-tastypie
"""
def __init__(self, metlog_client):
logging.Handler.__init__(self)
self.metlog_client = metlog_client
def emit(self, record):
severity = {
logging.DEBUG: SEVERITY.DEBUG,
logging.INFO: SEVERITY.INFORMATIONAL,
logging.WARNING: SEVERITY.WARNING,
logging.ERROR: SEVERITY.ERROR,
}.get(record.levelno, SEVERITY.CRITICAL)
safe_dict = dict(record.__dict__)
del safe_dict['exc_info']
del safe_dict['msg']
del safe_dict['args']
self.metlog_client.raven(msg=record.msg,
exc_info=record.exc_info,
logger=record.name,
severity=severity,
args=record.args, kwargs=safe_dict)
def hook_logger(logger_name, client):
"""
Used to hook metlog into the Python stdlib logging framework. Registers a
logging module handler that delegates to a MetlogClient for actual message
delivery.
:param name: Name of the stdlib logging `logger` object for which the
handler should be registered.
:param client: MetlogClient instance that the registered handler will use
for actual message delivery.
"""
logger = logging.getLogger(logger_name)
# first check to see if we're already registered
for existing in logger.handlers:
if (isinstance(existing, MetlogTastypieHandler) and
existing.metlog_client is client):
# already done, do nothing
return
logger.addHandler(MetlogTastypieHandler(client))