def __new__(cls, name, bases, attrs):
attrs['fields'] = {}
# Inherit any fields from parent(s).
try:
parents = [b for b in bases if issubclass(b, SearchIndex)]
# Simulate the MRO.
parents.reverse()
for p in parents:
fields = getattr(p, 'fields', None)
if fields:
attrs['fields'].update(fields)
except NameError:
pass
# Build a dictionary of faceted fields for cross-referencing.
facet_fields = {}
for field_name, obj in attrs.items():
# Only need to check the FacetFields.
if hasattr(obj, 'facet_for'):
if not obj.facet_for in facet_fields:
facet_fields[obj.facet_for] = []
facet_fields[obj.facet_for].append(field_name)
for field_name, obj in attrs.items():
if isinstance(obj, SearchField):
field = attrs.pop(field_name)
field.set_instance_name(field_name)
attrs['fields'][field_name] = field
# Only check non-faceted fields for the following info.
if not hasattr(field, 'facet_for'):
if field.faceted == True:
# If no other field is claiming this field as
# ``facet_for``, create a shadow ``FacetField``.
if not field_name in facet_fields:
shadow_facet_name = get_facet_field_name(
field_name)
shadow_facet_field = field.facet_class(
facet_for=field_name)
shadow_facet_field.set_instance_name(
shadow_facet_name)
attrs['fields'][
shadow_facet_name] = shadow_facet_field
# Assigning default 'objects' query manager if it does not already exist
if not attrs.has_key('objects'):
try:
attrs['objects'] = SearchIndexManager(
attrs['Meta'].index_label)
except (KeyError, AttributeError):
attrs['objects'] = SearchIndexManager(DEFAULT_ALIAS)
return super(DeclarativeMetaclass,
cls).__new__(cls, name, bases, attrs)
def __new__(cls, name, bases, attrs):
attrs['fields'] = {}
# Inherit any fields from parent(s).
try:
parents = [b for b in bases if issubclass(b, SearchIndex)]
# Simulate the MRO.
parents.reverse()
for p in parents:
fields = getattr(p, 'fields', None)
if fields:
attrs['fields'].update(fields)
except NameError:
pass
# Build a dictionary of faceted fields for cross-referencing.
facet_fields = {}
for field_name, obj in attrs.items():
# Only need to check the FacetFields.
if hasattr(obj, 'facet_for'):
if obj.facet_for not in facet_fields:
facet_fields[obj.facet_for] = []
facet_fields[obj.facet_for].append(field_name)
built_fields = {}
for field_name, obj in attrs.items():
if isinstance(obj, SearchField): # noqa: F405
field = attrs[field_name]
field.set_instance_name(field_name)
built_fields[field_name] = field
attrs['fields'].update(built_fields)
# Assigning default 'objects' query manager if it does not already exist
if 'objects' not in attrs:
try:
attrs['objects'] = SearchIndexManager(
attrs['Meta'].index_label)
except (KeyError, AttributeError):
attrs['objects'] = SearchIndexManager(
DEFAULT_ALIAS) # noqa: F405
return type.__new__(cls, name, bases, attrs)