Custom Sentry Client for ignoring specific errors

sentry_client.py

from django.conf import settings
from raven.contrib.django.client import DjangoClient


ignore_exc_msg_prefixes = getattr(settings, 'CUSTOM_SENTRY_CLIENT_IGNORE_EXCEPTION_MESSAGE_PREFIXES', [])


class IgnoreExceptionsDjangoClient(DjangoClient):
    """
    Overrides DjangoClient's `skip_error_for_logging` method.CUSTOM_SENTRY_CLIENT_IGNORE_EXCEPTION_MESSAGE_PREFIXES

    Checks raised error message for prefixes defined in settings.CUSTOM_SENTRY_CLIENT_IGNORE_EXCEPTION_MESSAGE_PREFIXES
    If the error message has any of the given prefix, skips logging the exception
    """

    def skip_error_for_logging(self, exc_info):
        skip_error = super(IgnoreExceptionsDjangoClient, self).skip_error_for_logging(exc_info)

        if not skip_error and ignore_exc_msg_prefixes:
            error_msg = exc_info[1].message
            if isinstance(error_msg, basestring):
                for prefix in ignore_exc_msg_prefixes:
                    if error_msg.startswith(prefix):
                        skip_error = True
                        break

        return skip_error

settings.py

SENTRY_CLIENT = 'path.to.sentry_client.IgnoreExceptionsDjangoClient'
CUSTOM_SENTRY_CLIENT_IGNORE_EXCEPTION_MESSAGE_PREFIXES = [
    "Couldn't load object"  # raised by celery_haystack task
]