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__init__.py
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__init__.py
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"""
raven.contrib.celery
~~~~~~~~~~~~~~~~~~~~
>>> class CeleryClient(CeleryMixin, Client):
>>> def send_encoded(self, *args, **kwargs):
>>> "Errors through celery"
>>> self.send_raw.delay(*args, **kwargs)
>>> @task(routing_key='sentry')
>>> def send_raw(*args, **kwargs):
>>> return super(client, self).send_encoded(*args, **kwargs)
:copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details.
:license: BSD, see LICENSE for more details.
"""
from __future__ import absolute_import
import logging
from celery.signals import after_setup_logger, task_failure
from raven.handlers.logging import SentryHandler
class CeleryFilter(logging.Filter):
def filter(self, record):
# Context is fixed in Celery 3.x so use internal flag instead
extra_data = getattr(record, 'data', {})
if not isinstance(extra_data, dict):
return record.funcName != '_log_error'
# Fallback to funcName for Celery 2.5
return extra_data.get('internal', record.funcName != '_log_error')
def register_signal(client):
def process_failure_signal(sender, task_id, args, kwargs, **kw):
# This signal is fired inside the stack so let raven do its magic
client.captureException(
extra={
'task_id': task_id,
'task': sender,
'args': args,
'kwargs': kwargs,
})
task_failure.connect(process_failure_signal, weak=False)
def register_logger_signal(client, logger=None):
filter_ = CeleryFilter()
if logger is None:
logger = logging.getLogger()
handler = SentryHandler(client)
handler.setLevel(logging.ERROR)
handler.addFilter(filter_)
def process_logger_event(sender, logger, loglevel, logfile, format,
colorize, **kw):
# Attempt to find an existing SentryHandler, and if it exists ensure
# that the CeleryFilter is installed.
# If one is found, we do not attempt to install another one.
for h in logger.handlers:
if type(h) == SentryHandler:
h.addFilter(filter_)
return False
logger.addHandler(handler)
after_setup_logger.connect(process_logger_event, weak=False)