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""" 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)