def exception_handler(exc, context):
# Import this here to avoid potential edge-case circular imports, which
# crashes with:
# "ImportError: Could not import 'rest_framework_json_api.parsers.JSONParser' for API setting
# 'DEFAULT_PARSER_CLASSES'. ImportError: cannot import name 'exceptions'.'"
#
# Also see: https://github.com/django-json-api/django-rest-framework-json-api/issues/158
from rest_framework.views import exception_handler as drf_exception_handler
# Render exception with DRF
response = drf_exception_handler(exc, context)
if not response:
return response
# Use regular DRF format if not rendered by DRF JSON API and not uniform
is_json_api_view = rendered_with_json_api(context['view'])
is_uniform = json_api_settings.UNIFORM_EXCEPTIONS
if not is_json_api_view and not is_uniform:
return response
# Convert to DRF JSON API error format
response = utils.format_drf_errors(response, context, exc)
# Add top-level 'errors' object when not rendered by DRF JSON API
if not is_json_api_view:
response.data = utils.format_errors(response.data)
return response
def handle_exception(self, exc):
if isinstance(exc, exceptions.ValidationError):
# some require that validation errors return 422 status
# for example ember-data (isInvalid method on adapter)
exc.status_code = HTTP_422_UNPROCESSABLE_ENTITY
# exception handler can't be set on class so you have to
# override the error response in this method
response = super(JsonApiViewSet, self).handle_exception(exc)
context = self.get_exception_handler_context()
return format_drf_errors(response, context, exc)
def handle_exception(self, exc):
if isinstance(exc, exceptions.ValidationError):
# some require that validation errors return 422 status
# for example ember-data (isInvalid method on adapter)
exc.status_code = HTTP_422_UNPROCESSABLE_ENTITY
# exception handler can't be set on class so you have to
# override the error response in this method
response = super(JsonApiViewSet, self).handle_exception(exc)
context = self.get_exception_handler_context()
return format_drf_errors(response, context, exc)
def exception_handler(exc, context):
# Import this here to avoid potential edge-case circular imports, which
# crashes with:
# "ImportError: Could not import 'rest_framework_json_api.parsers.JSONParser' for API setting
# 'DEFAULT_PARSER_CLASSES'. ImportError: cannot import name 'exceptions'.'"
#
# Also see: https://github.com/django-json-api/django-rest-framework-json-api/issues/158
from rest_framework.views import exception_handler as drf_exception_handler
# Render exception with DRF
response = drf_exception_handler(exc, context)
if not response:
return unhandled_drf_exception_handler(exc, context)
if response.status_code == status.HTTP_400_BAD_REQUEST:
if isinstance(exc.detail, dict):
for field, detail in list(exc.detail.items()):
if isinstance(detail, dict):
for key in detail.keys():
exc.detail[f'{field}.{key}'] = detail[key]
exc.detail.pop(field)
# Use regular DRF format if not rendered by DRF JSON API and not uniform
is_json_api_view = rendered_with_json_api(context['view'])
is_uniform = getattr(settings, 'JSON_API_UNIFORM_EXCEPTIONS', False)
if not is_json_api_view and not is_uniform:
return response
# Convert to DRF JSON API error format
response = utils.format_drf_errors(response, context, exc)
# Add top-level 'errors' object when not rendered by DRF JSON API
if not is_json_api_view:
response.data = utils.format_errors(response.data)
return response
