"""
raven.contrib.django.serializers
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
: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
from __future__ import unicode_literals
from django.conf import settings
from django.http import HttpRequest
from django.utils.functional import Promise
from raven.utils.serializer import Serializer, register
from raven.utils.compat import text_type
__all__ = ('PromiseSerializer',)
class PromiseSerializer(Serializer):
types = (Promise,)
def can(self, value):
if not super(PromiseSerializer, self).can(value):
return False
pre = value.__class__.__name__[1:]
if not (hasattr(value, '%s__func' % pre) or
hasattr(value, '%s__unicode_cast' % pre) or
hasattr(value, '%s__text_cast' % pre)):
return False
return True
def serialize(self, value, **kwargs):
# EPIC HACK
# handles lazy model instances (which are proxy values that don't
# easily give you the actual function)
pre = value.__class__.__name__[1:]
if hasattr(value, '%s__func' % pre):
value = getattr(value, '%s__func' % pre)(
*getattr(value, '%s__args' % pre),
**getattr(value, '%s__kw' % pre))
else:
return self.recurse(text_type(value))
return self.recurse(value, **kwargs)
register(PromiseSerializer)
class HttpRequestSerializer(Serializer):
types = (HttpRequest,)
def serialize(self, value, **kwargs):
return '<%s at 0x%s>' % (type(value).__name__, id(value))
register(HttpRequestSerializer)
if getattr(settings, 'DATABASES', None):
from django.db.models.query import QuerySet
class QuerySetSerializer(Serializer):
types = (QuerySet,)
def serialize(self, value, **kwargs):
qs_name = type(value).__name__
if value.model:
return '<%s: model=%s>' % (qs_name, value.model.__name__)
return '<%s: (Unbound)>' % (qs_name,)
register(QuerySetSerializer)