def field_to_native(self, obj, field_name):
"""
Override default so that the serializer can be used as a nested field
across relationships.
"""
from rest_framework.serializers import ObjectDoesNotExist, get_component, is_simple_callable
if self.source == '*':
return self.to_native(obj)
try:
source = self.source or field_name
value = obj
for component in source.split('.'):
value = get_component(value, component)
if value is None:
break
except ObjectDoesNotExist:
return None
if is_simple_callable(getattr(value, 'all', None)):
return self.many_to_native(value.all())
if value is None:
return None
if self.many is not None:
many = self.many
else:
many = hasattr(value, '__iter__') and not isinstance(value, (Page, dict, six.text_type))
if many:
return self.many_to_native(value)
return self.to_native(value)
def field_to_native(self, obj, field_name):
"""
Override default so that the serializer can be used as a nested field
across relationships.
"""
from rest_framework.serializers import ObjectDoesNotExist, get_component, is_simple_callable
if self.source == '*':
return self.to_native(obj)
try:
source = self.source or field_name
value = obj
for component in source.split('.'):
value = get_component(value, component)
if value is None:
break
except ObjectDoesNotExist:
return None
if is_simple_callable(getattr(value, 'all', None)):
return self.many_to_native(value.all())
if value is None:
return None
if self.many is not None:
many = self.many
else:
many = hasattr(value, '__iter__') and not isinstance(value, (Page, dict, six.text_type))
if many:
return self.many_to_native(value)
return self.to_native(value)
def to_native(self, obj):
"""
Serialize objects -> primitives.
"""
if is_simple_callable(getattr(obj, 'all', None)):
ret = [super(RemoteFieldsModelSerializerMixin, self).to_native(i)
for i in obj.all()]
else:
ret = super(RemoteFieldsModelSerializerMixin, self).to_native(obj)
for field_name, field in self.get_remote_serializers():
obj_field = getattr(obj, field_name, None)
ret[field_name] = field.__class__(obj_field).data
return ret
