def _fill_related_many_to_many_cache(self):
cache = OrderedDict()
parent_list = self.get_parent_list()
for parent in self.parents:
for obj, model in parent._meta.get_all_related_m2m_objects_with_model():
if obj.field.creation_counter < 0 and obj.model not in parent_list:
continue
if not model:
cache[obj] = parent
else:
cache[obj] = model
for klass in self.app_cache.get_models(only_installed=False):
if not klass._meta.swapped:
for f in klass._meta.local_many_to_many:
if (f.rel
and not isinstance(f.rel.to, six.string_types)
and self == f.rel.to._meta):
cache[f.related] = None
if app_cache.app_cache_ready():
self._related_many_to_many_cache = cache
return cache
def init_name_map(self):
"""
Initialises the field name -> field object mapping.
"""
cache = {}
# We intentionally handle related m2m objects first so that symmetrical
# m2m accessor names can be overridden, if necessary.
for f, model in self.get_all_related_m2m_objects_with_model():
cache[f.field.related_query_name()] = (f, model, False, True)
for f, model in self.get_all_related_objects_with_model():
cache[f.field.related_query_name()] = (f, model, False, False)
for f, model in self.get_m2m_with_model():
cache[f.name] = cache[f.attname] = (f, model, True, True)
for f, model in self.get_fields_with_model():
cache[f.name] = cache[f.attname] = (f, model, True, False)
for f in self.virtual_fields:
if hasattr(f, 'related'):
cache[f.name] = cache[f.attname] = (
f.related, None if f.model == self.model else f.model, True, False)
if app_cache.app_cache_ready():
self._name_map = cache
return cache