def _get_forward_relationships(opts):
"""
Returns an `OrderedDict` of field names to `RelationInfo`.
"""
forward_relations = OrderedDict()
for field in [
field for field in opts.fields
if field.serialize and get_remote_field(field) and not (field.primary_key and field.one_to_one)
# If the field is a OneToOneField and it's been marked as PK, then this
# is a multi-table inheritance auto created PK ('%_ptr').
]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=get_related_model(field),
to_many=False,
to_field=_get_to_field(field),
has_through_model=False,
reverse=False
)
# Deal with forward many-to-many relationships.
for field in [field for field in opts.many_to_many if field.serialize]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=get_related_model(field),
to_many=True,
# manytomany do not have to_fields
to_field=None,
has_through_model=(
not get_remote_field(field).through._meta.auto_created
),
reverse=False
)
return forward_relations
def _get_forward_relationships(opts):
"""
Returns an `OrderedDict` of field names to `RelationInfo`.
"""
forward_relations = OrderedDict()
for field in [
field for field in opts.fields
if field.serialize and get_remote_field(field)
]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=get_related_model(field),
to_many=False,
to_field=_get_to_field(field),
has_through_model=False,
reverse=False)
# Deal with forward many-to-many relationships.
for field in [field for field in opts.many_to_many if field.serialize]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=get_related_model(field),
to_many=True,
# manytomany do not have to_fields
to_field=None,
has_through_model=(
not get_remote_field(field).through._meta.auto_created),
reverse=False)
return forward_relations
def _get_forward_relationships(opts):
"""
Returns an `OrderedDict` of field names to `RelationInfo`.
"""
forward_relations = OrderedDict()
for field in [field for field in opts.fields if field.serialize and get_remote_field(field)]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=get_related_model(field),
to_many=False,
to_field=_get_to_field(field),
has_through_model=False,
)
# Deal with forward many-to-many relationships.
for field in [field for field in opts.many_to_many if field.serialize]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=get_related_model(field),
to_many=True,
# manytomany do not have to_fields
to_field=None,
has_through_model=(not get_remote_field(field).through._meta.auto_created),
)
return forward_relations
def _get_forward_relationships(opts):
"""
Returns an `OrderedDict` of field names to `RelationInfo`.
"""
forward_relations = OrderedDict()
for field in [
field for field in opts.fields
if field.serialize and get_remote_field(field)
and not (field.primary_key and field.one_to_one)
# If the field is a OneToOneField and it's been marked as PK, then this
# is a multi-table inheritance auto created PK ('%_ptr').
]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=get_related_model(field),
to_many=False,
to_field=_get_to_field(field),
has_through_model=False,
reverse=False)
# Deal with forward many-to-many relationships.
for field in [field for field in opts.many_to_many if field.serialize]:
forward_relations[field.name] = RelationInfo(
model_field=field,
related_model=get_related_model(field),
to_many=True,
# manytomany do not have to_fields
to_field=None,
has_through_model=(
not get_remote_field(field).through._meta.auto_created),
reverse=False)
return forward_relations
def convert_field_to_list_or_connection(field,
registry=None,
input_flag=None,
nested_fields=False):
model = get_related_model(field)
def dynamic_type():
if input_flag and not nested_fields:
return DjangoListField(ID,
required=is_required(field)
and input_flag == 'create')
_type = registry.get_type_for_model(model, for_input=input_flag)
if not _type:
return
if _type._meta.filter_fields and input_flag:
return DjangoFilterListField(_type,
required=is_required(field)
and input_flag == 'create')
return DjangoListField(_type,
required=is_required(field)
and input_flag == 'create')
return Dynamic(dynamic_type)
def _get_pk(opts):
pk = opts.pk
rel = get_remote_field(pk)
while rel and rel.parent_link:
# If model is a child via multi-table inheritance, use parent's pk.
pk = get_related_model(pk)._meta.pk
rel = get_remote_field(pk)
return pk
def _get_pk(opts):
pk = opts.pk
rel = get_remote_field(pk)
while rel and rel.parent_link:
# If model is a child via multi-table inheritance, use parent's pk.
pk = get_related_model(pk)._meta.pk
rel = get_remote_field(pk)
return pk
def convert_field_to_djangomodel(field,
registry=None,
input_flag=None,
nested_fields=False):
model = get_related_model(field)
def dynamic_type():
# Avoid create field for auto generate OneToOneField product of an inheritance
if isinstance(field, models.OneToOneField) and issubclass(
field.model, field.related_model):
return
if input_flag and not nested_fields:
return ID(description=field.help_text or field.verbose_name,
required=is_required(field) and input_flag == 'create')
_type = registry.get_type_for_model(model, for_input=input_flag)
if not _type:
return
return Field(_type,
description=field.help_text or field.verbose_name,
required=is_required(field) and input_flag == 'create')
return Dynamic(dynamic_type)
