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# -*- coding: utf-8 -*-
"""
Seamless Polymorphic Inheritance for Django Models
Copyright:
This code and affiliated files are (C) by Bert Constantin and individual contributors.
Please see LICENSE and AUTHORS for more information.
"""
from __future__ import absolute_import
import django
from .polymorphic_model import PolymorphicModel
from .manager import PolymorphicManager
from .query import PolymorphicQuerySet
from .query_translate import translate_polymorphic_Q_object
from .showfields import ShowFieldContent, ShowFieldType, ShowFieldTypeAndContent
from .showfields import ShowFields, ShowFieldTypes, ShowFieldsAndTypes # import old names for compatibility
# Monkey-patch Django < 1.5 to allow ContentTypes for proxy models.
if django.VERSION[:2] < (1, 5):
from django.contrib.contenttypes.models import ContentTypeManager
from django.utils.encoding import smart_text
def get_for_model(self, model, for_concrete_model=True):
if for_concrete_model:
model = model._meta.concrete_model
elif model._deferred:
model = model._meta.proxy_for_model
opts = model._meta
try:
ct = self._get_from_cache(opts)
except KeyError:
ct, created = self.get_or_create(
app_label = opts.app_label,
model = opts.object_name.lower(),
defaults = {'name': smart_text(opts.verbose_name_raw)},
)
self._add_to_cache(self.db, ct)
return ct
ContentTypeManager.get_for_model__original = ContentTypeManager.get_for_model
ContentTypeManager.get_for_model = get_for_model
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