def exception_handler(exc, context):
"""Handle Django ValidationError as an accepted exception
Must be set in settings:
>>> REST_FRAMEWORK = {
... # ...
... 'EXCEPTION_HANDLER': 'mtp.apps.common.drf.exception_handler',
... # ...
... }
For the parameters, see ``exception_handler``
"""
if isinstance(exc, DjangoValidationError):
if hasattr(exc, "message_dict"):
new_dict = {}
for key, value in exc.message_dict.items():
if type(value) in (list, tuple, set,
frozenset) and len(value) == 1:
new_dict[key] = value[0]
else:
new_dict[key] = value
detail = new_dict
elif hasattr(exc, "message"):
detail = {'detail': exc.message}
elif hasattr(exc, "messages"):
detail = exc.messages
else:
return drf_exception_handler(exc, context)
exc = DRFValidationError(detail=detail)
return drf_exception_handler(exc, context)
def exception_handler(exception, context):
if isinstance(exception, DjangoValidationError):
message = getattr(exception, 'message', None)
messages = getattr(exception, 'messages', None)
detail = {'non_field_errors': messages or [message]}
exception = DRFValidationError(detail=detail)
response = drf_exception_handler(exception, context)
if response is None:
exception = APIException(exception)
return drf_exception_handler(exception, context)
return response
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 custom_exception_handler(exc, context):
if isinstance(exc, PermissionDenied):
exc = PermissionDenied(
detail={'message': 'Ошибка доступа. У вас нет прав.'})
if isinstance(exc, NotAuthenticated):
exc = NotAuthenticated(
detail={'message': 'Ошибка доступа. Вы не авторизованы'})
if isinstance(exc, CustomValidation):
field = list(exc.detail.keys())[0]
exc = DRFValidationError(
detail={'message': field + ' ' + exc.detail[field]})
if isinstance(exc, DjangoValidationError):
if hasattr(exc, 'message_dict'):
# TODO: handle many fields
field = list(exc.detail.keys())[0]
exc = DRFValidationError(
detail={'message': field + ' ' + exc.detail[field]})
else:
exc = DRFValidationError(detail={'message': exc.message})
if isinstance(exc, DjangoIntegrityError):
exc = DRFValidationError(detail={'message': str(exc)})
return drf_exception_handler(exc, context)
def exception_handler(exception, context):
"""Handle Django ValidationError as an accepted exception
Must be set in settings:
>>> REST_FRAMEWORK = {
... # ...
... 'EXCEPTION_HANDLER': 'Authentication.exception_handler.exception_handler',
... # ...
... }
For the parameters, see ``exception_handler``
"""
if isinstance(exception, DjangoValidationError):
if isinstance(exception, DjangoValidationError):
if hasattr(exception, 'message_dict'):
detail = exception.message_dict
elif hasattr(exception, 'message'):
detail = exception.message
elif hasattr(exception, 'messages'):
detail = exception.messages
else:
logging.error("BAD VALIDATION MESSAGE: %s" % exception)
exception = DRFValidationError(detail={"detail": detail})
return drf_exception_handler(exception, context)
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
if response is not None:
data = getattr(response, 'data', {})
request = context.get('request', object)
response.data = OrderedDict([
('type', exc.__class__.__name__),
('title', response.status_text),
('status', response.status_code),
('detail', data.get('detail', '')),
('instance', getattr(request, 'path', '')),
])
if isinstance(exc, exceptions.ValidationError):
response.data['invalid_params'] = [
OrderedDict([
('type', exc.__class__.__name__),
('name', field_name),
('reason', '; '.join(message))
])
for field_name, message in exc.detail.items()
]
return response
def exception_handler(exc, context):
"""
自定义异常处理
:param exc: 异常
:param context: 异常上下文
:return: Response响应对象
"""
response = drf_exception_handler(exc, context)
if response is None:
errmsg = None
if settings.DEBUG:
errmsg = str(exc)
if isinstance(exc, DatabaseError) or isinstance(exc, RedisError):
# 数据库异常
logger.error(traceback.format_exc())
response = CstResponse(RET.DBERR, errmsg)
elif isinstance(exc, CstException):
response = CstResponse(exc.code, exc.message)
else:
logger.error(traceback.format_exc())
response = CstResponse(RET.SERVERERR, errmsg)
if response and response.status_code == 400:
logger.error(str(exc.detail))
response = CstResponse(RET.DATAERR, exc.detail)
if response and response.status_code != 200:
logger.error(str(exc.detail))
response = CstResponse(RET.DBERR, exc.detail)
return response
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
if response is None:
if isinstance(exc, DatabaseError):
return Response({'detail': '数据库错误'},
status=status.HTTP_507_INSUFFICIENT_STORAGE)
return response
def exception_handler(exc, context):
"""Handle Django ValidationError as an accepted exception
Must be set in settings:
>>> REST_FRAMEWORK = {
... # ...
... 'EXCEPTION_HANDLER': 'mtp.apps.common.drf.exception_handler',
... # ...
... }
For the parameters, see ``exception_handler``
"""
if isinstance(exc, DjangoValidationError):
try:
exc = DRFValidationError(detail=exc.message_dict)
except AttributeError:
exc = DRFValidationError(detail={"validation_error": exc.message})
if isinstance(exc, ProtectedError):
exc = DRFValidationError(detail={"protection_error": exc.args[0]})
return drf_exception_handler(exc, context)
def custom_exception_handler(exc, context):
# Call REST framework's default exception handler first,
# to get the standard error response.
if isinstance(exc, DjangoValidationError):
exc = DRFValidationError(detail=exc.message_dict)
return drf_exception_handler(exc, context)
def exception_handler(exception, context):
# Transform model validation errors into an equivalent DRF ValidationError.
if isinstance(exception, DjangoValidationError):
exception = DRFValidationError(detail=get_error_detail(exception))
# Call REST Framework's default exception handler with the transformed exception.
return drf_exception_handler(exception, context)
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
if response is None:
if isinstance(exc, DatabaseError):
response = Response({'detail': '数据库错误'},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
return response
def exception_handler(exc, context):
"""
Custom exception handler for REST responses
Currently used to properly turn django ObjectDoesNotExist
errors into 404 api responses.
"""
# call default handler first
response = Response({})
if isinstance(exc, ObjectDoesNotExist):
response.data = {"errors": {"non_field_errors": f"{exc}"}}
response.status_code = 404
elif isinstance(exc, IntegrityError):
response.data = {"non_field_errors": f"{exc}"}
response.status_code = 400
elif isinstance(exc, Http404):
if getattr(context.get("request"), "destroyed", False):
return Response({}, status=status.HTTP_204_NO_CONTENT)
else:
response.status_code = 404
else:
response = drf_exception_handler(exc, context)
return response
def exception_handler(exc, context):
# Convert Django exceptions (from DRF).
if isinstance(exc, Http404):
exc = exceptions.NotFound()
elif isinstance(exc, PermissionDenied):
exc = exceptions.PermissionDenied()
elif not isinstance(exc, exceptions.APIException):
# Fallback handler to convert remaining exceptions to API exception.
logger.exception(exc)
exc = exceptions.APIException(exc)
request = context['request']
response = drf_exception_handler(exc, context)
data = response.data
problem_title = getattr(exc, 'title', exc.default_detail)
problem_status = response.status_code
problem_code = getattr(exc, 'code', exc.default_code)
problem_type = reverse('drf_problems:error-documentation',
kwargs={'code': problem_code}, request=request)
if isinstance(data, dict):
data['title'] = problem_title
data['status'] = problem_status
data['type'] = problem_type
else:
data = dict(errors=response.data, title=problem_title,
status=problem_status, type=problem_type)
try:
if request.accepted_renderer.format == 'json':
response.content_type = 'application/problem+json'
except AttributeError:
pass
response.data = data
return response
def exception_handler(exc, context):
"""
自定义异常处理
:param exc: 异常
:param context: 抛出异常的上下文
:return: Response响应对象
"""
# 调用drf框架原生的异常处理方法（系统处理异常）
response = drf_exception_handler(exc, context)
if response is None:
view = context['view']
# if isinstance(exc, DatabaseError) or isinstance(exc, RedisError):
if isinstance(exc, DatabaseError):
# 数据库异常
logger.error('[%s] %s' % (view, exc))
response = Response({'message': 'Mysql数据库错误'},
status=status.HTTP_507_INSUFFICIENT_STORAGE)
elif isinstance(exc, RedisError):
# 数据库异常
logger.error('[%s] %s' % (view, exc))
response = Response({'message': 'Redis数据库错误'},
status=status.HTTP_507_INSUFFICIENT_STORAGE)
return response
def exception_handler(exc, context):
"""Handle Django ValidationError as an accepted exception."""
if isinstance(exc, DjangoValidationError):
exc = DRFValidationError(detail=exc.messages)
return drf_exception_handler(exc, context)
def exception_handler(exc, context):
"""
Return special responses on exceptions not supported by drf.
"""
response = drf_exception_handler(exc, context)
# Check for IntegrityError, use a custom status code for this.
if not response and isinstance(exc, IntegrityError):
set_rollback()
response = Response(
{'detail': 'Some values are supposed to be unique but are not.'},
status=status.HTTP_409_CONFLICT)
if response:
detail = None
if isinstance(response.data, dict):
detail = response.data.get('detail')
log.warn('request_error',
status_code=response.status_code,
detail=detail,
exc=exc)
else:
log.error('unhandled_request_exception', exc=exc)
return response
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
if response is not None:
data = getattr(response, "data", {})
request = context.get("request", object)
response.data = OrderedDict([
("type", exc.__class__.__name__),
("title", response.status_text),
("status", response.status_code),
("detail", data.get("detail", "")),
("instance", getattr(request, "path", "")),
])
if isinstance(exc, exceptions.ValidationError):
response.data["invalid_params"] = [
OrderedDict([
("type", exc.__class__.__name__),
("name", field_name),
("reason", "; ".join(message)),
]) for field_name, message in exc.detail.items()
]
return response
def rest_exception_handler(e, context):
response = drf_exception_handler(e, context)
request = context["request"]
if isinstance(e, TaskwarriorError):
# Note -- this error message will be printed to the USER's
# error log regardless of whether or not the error that occurred
# was a problem with their task list, or that of a Kanban board.
store = TaskStore.get_for_user(request.user)
message = f"({e.code}) {e.stderr}"
store.log_silent_error(f"Taskwarrior Error: {message}")
return Response(
{"error_message": message},
status=400,
)
elif isinstance(e, LockTimeout):
message = "Your task list is currently in use; please try again later."
store = TaskStore.get_for_user(request.user)
store.log_error(message)
return Response(
{
"error_message":
("Your task list is currently in use; please try "
"again later.")
},
status=409,
)
elif isinstance(e, PermissionDenied):
return Response(status=401)
elif isinstance(e, ObjectDoesNotExist):
return Response(status=404)
else:
return response
def custom_exception_handler(exc, context):
"""
DRF 의 Global Error handler 를 customizing 을 하는 것이며,
기존의 처리는 그대로 맞기며, 그외의 경우는
내가 만든 Global Error 을 바탕으로 만들었다.
주로, Return 할 떄, 코드의 가독성을 위해서 만든 경우가 대부분이다.
"""
# print("exc", exc)
# print("type(exc)", type(exc))
if isinstance(exc, (APIException, Http404, PermissionDenied)):
response = drf_exception_handler(exc, context)
# Now add the HTTP status code to the response.
if response is not None:
response.data['status_code'] = response.status_code
return response
if isinstance(exc, GlobalErrorMessage):
return Response({'response': 'error', 'message': str(exc)})
if isinstance(exc, GlobalErrorMessage400):
return Response({
'response': 'error',
'message': str(exc)
},
status=status.HTTP_400_BAD_REQUEST)
if isinstance(exc, GlobalErrorMessage401):
return Response({
'response': 'error',
'message': str(exc)
},
status=status.HTTP_401_UNAUTHORIZED)
def exception_handler(exc, context):
"""Return the exceptions as 'application/problem+json'.
See: https://tools.ietf.org/html/rfc7807
"""
request = context.get("request")
response = drf_exception_handler(exc, context)
if response is None:
return None
if isinstance(exc, ValidationError):
# response.data are the fields
response.data = {
"type": f"urn:apiexception:{exc.default_code}",
"title": str(exc.default_detail),
"status": response.status_code,
"instance": request.build_absolute_uri() if request else None,
"invalid-params": get_invalid_params(exc, exc.detail),
# Also include the whole tree of recursive errors that DRF generates
"x-validation-errors": response.data,
}
response.content_type = "application/problem+json"
elif isinstance(exc, RemoteAPIException):
# Raw problem json response forwarded (for RemoteViewSet)
# Normalize the problem+json fields to be identical to how
# our own API's would return these.
normalized_fields = {
"type": f"urn:apiexception:{exc.code}",
"code": exc.code,
"title": exc.default_detail,
"status": int(exc.status_code),
"instance": request.build_absolute_uri() if request else None,
}
# This merge stategy puts the normal fields first:
response.data = {**normalized_fields, **response.data}
response.data.update(normalized_fields)
response.status_code = int(exc.status_code)
response.content_type = "application/problem+json"
elif isinstance(response.data.get("detail"), ErrorDetail):
# DRF parsed the exception as API
detail = response.data["detail"]
response.data = {
"type":
f"urn:apiexception:{detail.code}",
"title":
exc.default_detail if hasattr(exc, "default_detail") else str(exc),
"detail":
str(detail),
"status":
response.status_code,
}
# Returning a response with explicit content_type breaks the browsable API,
# as that only returns text/html as it's default type.
response.content_type = "application/problem+json"
else:
response.content_type = "application/json" # Avoid being hal-json
return response
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
if not response:
return response
errors = []
# handle generic errors. ValidationError('test') in a view for example
if isinstance(response.data, list):
for message in response.data:
errors.append({
'detail': message,
'source': {
'pointer': '/data',
},
'status': encoding.force_text(response.status_code),
})
# handle all errors thrown from serializers
else:
for field, error in response.data.items():
field = format_value(field)
pointer = '/data/attributes/{}'.format(field)
# see if they passed a dictionary to ValidationError manually
if isinstance(error, dict):
errors.append(error)
elif isinstance(error, six.string_types):
classes = inspect.getmembers(exceptions, inspect.isclass)
# DRF sets the `field` to 'detail' for its own exceptions
if isinstance(exc, tuple(x[1] for x in classes)):
pointer = '/data'
errors.append({
'detail': error,
'source': {
'pointer': pointer,
},
'status': encoding.force_text(response.status_code),
})
elif isinstance(error, list):
for message in error:
errors.append({
'detail': message,
'source': {
'pointer': pointer,
},
'status': encoding.force_text(response.status_code),
})
else:
errors.append({
'detail': error,
'source': {
'pointer': pointer,
},
'status': encoding.force_text(response.status_code),
})
context['view'].resource_name = 'errors'
response.data = errors
return response
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
print(exc)
print(context)
if response is None:
return Response({'detail': '服务器错误'},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
return response
def exception_handler(exc, context):
"""调用默认"""
response = drf_exception_handler(exc, context)
if response is None:
print("exc:{exc}---view:{view}---args:{args}---kwargs:{kwargs}".format(
exc=exc, **context))
response = Response({"detail": "服务器错误"})
return response
def exception_handler(exc, context):
if isinstance(exc, DjangoValidationError):
if hasattr(exc, 'message_dict'):
exc = DRFValidationError(detail=exc.message_dict)
else:
exc = DRFValidationError(detail=exc.message)
return drf_exception_handler(exc, context)
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
if isinstance(exc, Ratelimited):
response.data['detail'] = 'Too many requests, try again later'
response.status_code = 429
return response
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
if response is None:
print(f"{context['view']} - {context['request'].method} - {exc}")
return Response({'detail': 'server error'},
status=status.HTTP_500_INTERNAL_SERVER_ERROR,
exception=True)
return response
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
error = "%s %s %s" % (context['view'], context['request'].method, exc)
if response is None:
return Response({"error": "刷新一下马上就好了！"},
status=status.HTTP_500_INTERNAL_SERVER_ERROR,
exception=None)
return response
def exception_handler(exc, context):
"""自定义异常处理函数"""
response = drf_exception_handler(exc, context)
if response is None:
if isinstance(exc, DataError):
response = Response({'errmsg': '数据库出错'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
return response
def exception_handler(exc, context):
"""
desecapi specific exception handling. If no special treatment is applied,
we default to restframework's exception handling. See also
https://www.django-rest-framework.org/api-guide/exceptions/#custom-exception-handling
"""
def _log():
logger = logging.getLogger('django.request')
logger.error('{} Supplementary Information'.format(exc.__class__),
exc_info=exc,
stack_info=False)
def _500():
_log()
# Let clients know that there is a problem
response = Response({'detail': 'Internal Server Error. We\'re on it!'},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
return response
def _503():
_log()
# Let clients know that there is a temporary problem
response = Response({'detail': 'Please try again later.'},
status=status.HTTP_503_SERVICE_UNAVAILABLE)
return response
# Catch DB exception and log an extra error for additional context
if (isinstance(exc, OperationalError)
and isinstance(exc.args, (list, dict, tuple)) and exc.args
and exc.args[0] in (
2002, # Connection refused (Socket)
2003, # Connection refused (TCP)
2005, # Unresolved host name
2007, # Server protocol mismatch
2009, # Wrong host info
2026, # SSL connection error
)):
metrics.get('desecapi_database_unavailable').inc()
return _503()
# OSError happens on system-related errors, like full disk or getaddrinfo() failure.
if isinstance(exc, OSError):
# TODO add metrics
return _500()
# The PSL encountered an unsupported rule
if isinstance(exc, UnsupportedRule):
# TODO add metrics
return _500()
# nslord/nsmaster returned an error
if isinstance(exc, PDNSException):
# TODO add metrics
return _500()
return drf_exception_handler(exc, context)
def exception_handler(exc, context):
error = "%s %s %s" % (context['view'], context["request"].method, exc)
response = drf_exception_handler(exc, context)
if response is None:
logger.error(error)
return Response({
"error_msg": "程序内部错误，请稍等一会"
}, status=status.HTTP_500_INTERNAL_SERVER_ERROR, exception=None)
return response
def exception_handler(exception, context):
"""
Overwriting Django Rest Frameworks exception handler to provide more
meaniful exception messages for 404 errors.
"""
exception = set_exception(exception)
response = drf_exception_handler(exception, context)
if response:
response.data = eval_json(response.data)
return response
def exception_handler(exc, context):
response = drf_exception_handler(exc, context)
if getattr(context.get('view'), 'bypass_jsonapi_exception_handler', False):
context['view'].is_errored = True
return response
if response is None:
# Unhandled exceptions will raise a 500 error.
return
errors = []
# Handle views errors
if isinstance(response.data, list):
for message in response.data:
errors.append({
"detail": message,
"source": {
"pointer": "/data",
},
"status": six.text_type(response.status_code),
})
# Handle all other errors
elif isinstance(response.data, dict):
for field, error in response.data.items():
# Field errors
if isinstance(error, list):
field = dasherize(field)
pointer = "/data/attributes/{}".format(field)
for message in error:
errors.append({
"detail": message,
"source": {
"pointer": pointer,
},
"status": six.text_type(response.status_code),
})
# Other errors (e.g. Http404, PermissionDenied, throttling errors)
elif field == "detail" and isinstance(error, six.string_types):
errors.append({
"detail": error,
"source": {
"pointer": "/data",
},
"status": six.text_type(response.status_code),
})
response.data = OrderedDict([
("jsonapi", OrderedDict([("version", "1.0")])),
("errors", errors)
])
context['view'].is_errored = True
return response
def handle_exception(cls, exc, *args, **kwargs):
"""
Typically the exception will have enough data to represent itself (i.e. status_code, message).
Otherwise we'll have to map the exception to a local exception in EXCEPTION_MAPPING.
"""
if isinstance(exc, BaseAPIException):
logger.warning('Encountered APIError when processing api request.', exc_info=True)
return APIErrorResponse(
status=exc.status_code,
error_list=exc.error_list
)
elif isinstance(exc, ParseError):
return APIErrorResponse(
error_list=[{"code": 0, "title": ERROR_CODES[0], "detail": exc.detail}],
status=status.HTTP_400_BAD_REQUEST,
)
else:
# exception wasnt a custom `APIError` fallback to DRF exception handling
response = drf_exception_handler(exc, *args, **kwargs)
if response:
logger.warning('Encountered DRF exception when processing api request.', exc_info=True)
# need to format DRF error response to our style of error response
# as DRF may have added headers and other details to the response
return APIErrorResponse(
error_list=[OrderedDict(
code=10,
title=ERROR_CODES[10],
detail=response.data.pop('detail'),
)],
status=status.HTTP_400_BAD_REQUEST,
)
else:
logger.error('Encountered an unhandleded api exception when processing api request.', exc_info=True)
if not settings.DEBUG:
return APIErrorResponse(
error_list=[OrderedDict(
code=20,
title=ERROR_CODES[20],
detail=(
'An unexpted error has occured while processing your request, our engineers have been altered. '
'You can also contact our support if this error is blocking you.'),
)],
status=status.HTTP_500_INTERNAL_SERVER_ERROR,
)
# fallback to django exception handling
logger.warning('Encountered an unhandled exception when processing api request.')
return None
def rest_exception_handler(e, context):
response = drf_exception_handler(e, context)
request = context['request']
if isinstance(e, TaskwarriorError):
# Note -- this error message will be printed to the USER's
# error log regardless of whether or not the error that occurred
# was a problem with their task list, or that of a Kanban board.
store = TaskStore.get_for_user(request.user)
message = '(%s) %s' % (
e.code,
e.stderr,
)
store.log_silent_error(
'Taskwarrior Error: %s' % message
)
return Response(
{
'error_message': message
},
status=400,
)
elif isinstance(e, LockTimeout):
message = (
'Your task list is currently in use; please try again later.'
)
store = TaskStore.get_for_user(request.user)
store.log_error(message)
return Response(
{
'error_message': (
'Your task list is currently in use; please try '
'again later.'
)
},
status=409
)
elif isinstance(e, PermissionDenied):
return Response(status=401)
elif isinstance(e, ObjectDoesNotExist):
return Response(status=404)
else:
return response
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
response = drf_exception_handler(exc, context)
if not response:
return response
errors = []
# handle generic errors. ValidationError('test') in a view for example
if isinstance(response.data, list):
for message in response.data:
errors.append({
'detail': message,
'source': {
'pointer': '/data',
},
'status': encoding.force_text(response.status_code),
})
# handle all errors thrown from serializers
else:
for field, error in response.data.items():
field = format_value(field)
pointer = '/data/attributes/{}'.format(field)
# see if they passed a dictionary to ValidationError manually
if isinstance(error, dict):
errors.append(error)
elif isinstance(error, six.string_types):
classes = inspect.getmembers(exceptions, inspect.isclass)
# DRF sets the `field` to 'detail' for its own exceptions
if isinstance(exc, tuple(x[1] for x in classes)):
pointer = '/data'
errors.append({
'detail': error,
'source': {
'pointer': pointer,
},
'status': encoding.force_text(response.status_code),
})
elif isinstance(error, list):
for message in error:
errors.append({
'detail': message,
'source': {
'pointer': pointer,
},
'status': encoding.force_text(response.status_code),
})
else:
errors.append({
'detail': error,
'source': {
'pointer': pointer,
},
'status': encoding.force_text(response.status_code),
})
context['view'].resource_name = 'errors'
response.data = errors
return response