def get_field_info(model):
"""
A bypass of DRF's model_meta function, customized to work with our
custom FieldInfo tuple. Some minor optimizations as well.
"""
# Bypass the concrete model fetch, as abstract (embedded) models lack it
opts = get_model_meta(model)
# Bypass for pk fetching for EmbeddedModels, as they do not have a pk
if model_meta.is_abstract_model(model):
pk = None
else:
pk = model_meta._get_pk(opts)
# Fetch field info based on the model's options
fields, fwd_relations, emb_fields = _build_generic_field_info(opts)
rvs_relations = _build_reverse_field_info(opts)
fields_and_pk = _merge_fields_and_pk(pk, fields)
relations = _merge_relations(fwd_relations, rvs_relations)
return FieldInfo(
pk=pk,
fields=fields,
forward_relations=fwd_relations,
reverse_relations=rvs_relations,
embedded=emb_fields,
fields_and_pk=fields_and_pk,
relations=relations,
)
def coerce_path(self, path, method, view):
# TODO Handle versioning properly
if '{version}' in path:
path = path.replace('{version}', 'v1')
if '{pk}' not in path:
return path
model = getattr(getattr(view, 'queryset', None), 'model', None)
if model:
field_name = _get_pk(model._meta.concrete_model._meta).name
else:
field_name = 'id'
return path.replace('{pk}', '{%s}' % field_name)
def get_pk_name(model):
meta = model._meta.concrete_model._meta
return _get_pk(meta).name
def get_pk_name(model):
meta = model._meta.concrete_model._meta
return _get_pk(meta).name
def _pk_field_name(self):
meta = self.Meta.model._meta
return model_meta._get_pk(meta).name
def _pk_field_name(self):
meta = self.Meta.model._meta
return model_meta._get_pk(meta).name
