diff options
Diffstat (limited to 'django/core/exceptions.py')
| -rw-r--r-- | django/core/exceptions.py | 58 |
1 files changed, 40 insertions, 18 deletions
diff --git a/django/core/exceptions.py b/django/core/exceptions.py index 673d004d57..7be4e16bc5 100644 --- a/django/core/exceptions.py +++ b/django/core/exceptions.py @@ -8,21 +8,25 @@ from django.utils.hashable import make_hashable class FieldDoesNotExist(Exception): """The requested model field does not exist""" + pass class AppRegistryNotReady(Exception): """The django.apps registry is not populated yet""" + pass class ObjectDoesNotExist(Exception): """The requested object does not exist""" + silent_variable_failure = True class MultipleObjectsReturned(Exception): """The query returned multiple objects when only one was expected.""" + pass @@ -32,21 +36,25 @@ class SuspiciousOperation(Exception): class SuspiciousMultipartForm(SuspiciousOperation): """Suspect MIME request in multipart form data""" + pass class SuspiciousFileOperation(SuspiciousOperation): """A Suspicious filesystem operation was attempted""" + pass class DisallowedHost(SuspiciousOperation): """HTTP_HOST header contains invalid value""" + pass class DisallowedRedirect(SuspiciousOperation): """Redirect to scheme not in allowed list""" + pass @@ -55,6 +63,7 @@ class TooManyFieldsSent(SuspiciousOperation): The number of fields in a GET or POST request exceeded settings.DATA_UPLOAD_MAX_NUMBER_FIELDS. """ + pass @@ -63,49 +72,58 @@ class RequestDataTooBig(SuspiciousOperation): The size of the request (excluding any file uploads) exceeded settings.DATA_UPLOAD_MAX_MEMORY_SIZE. """ + pass class RequestAborted(Exception): """The request was closed before it was completed, or timed out.""" + pass class BadRequest(Exception): """The request is malformed and cannot be processed.""" + pass class PermissionDenied(Exception): """The user did not have permission to do that""" + pass class ViewDoesNotExist(Exception): """The requested view does not exist""" + pass class MiddlewareNotUsed(Exception): """This middleware is not used in this server configuration""" + pass class ImproperlyConfigured(Exception): """Django is somehow improperly configured""" + pass class FieldError(Exception): """Some kind of problem with a model field.""" + pass -NON_FIELD_ERRORS = '__all__' +NON_FIELD_ERRORS = "__all__" class ValidationError(Exception): """An error while validating data.""" + def __init__(self, message, code=None, params=None): """ The `message` argument can be a single error, a list of errors, or a @@ -118,9 +136,9 @@ class ValidationError(Exception): super().__init__(message, code, params) if isinstance(message, ValidationError): - if hasattr(message, 'error_dict'): + if hasattr(message, "error_dict"): message = message.error_dict - elif not hasattr(message, 'message'): + elif not hasattr(message, "message"): message = message.error_list else: message, code, params = message.message, message.code, message.params @@ -138,7 +156,7 @@ class ValidationError(Exception): # Normalize plain strings to instances of ValidationError. if not isinstance(message, ValidationError): message = ValidationError(message) - if hasattr(message, 'error_dict'): + if hasattr(message, "error_dict"): self.error_list.extend(sum(message.error_dict.values(), [])) else: self.error_list.extend(message.error_list) @@ -153,18 +171,18 @@ class ValidationError(Exception): def message_dict(self): # Trigger an AttributeError if this ValidationError # doesn't have an error_dict. - getattr(self, 'error_dict') + getattr(self, "error_dict") return dict(self) @property def messages(self): - if hasattr(self, 'error_dict'): + if hasattr(self, "error_dict"): return sum(dict(self).values(), []) return list(self) def update_error_dict(self, error_dict): - if hasattr(self, 'error_dict'): + if hasattr(self, "error_dict"): for field, error_list in self.error_dict.items(): error_dict.setdefault(field, []).extend(error_list) else: @@ -172,7 +190,7 @@ class ValidationError(Exception): return error_dict def __iter__(self): - if hasattr(self, 'error_dict'): + if hasattr(self, "error_dict"): for field, errors in self.error_dict.items(): yield field, list(ValidationError(errors)) else: @@ -183,12 +201,12 @@ class ValidationError(Exception): yield str(message) def __str__(self): - if hasattr(self, 'error_dict'): + if hasattr(self, "error_dict"): return repr(dict(self)) return repr(list(self)) def __repr__(self): - return 'ValidationError(%s)' % self + return "ValidationError(%s)" % self def __eq__(self, other): if not isinstance(other, ValidationError): @@ -196,22 +214,26 @@ class ValidationError(Exception): return hash(self) == hash(other) def __hash__(self): - if hasattr(self, 'message'): - return hash(( - self.message, - self.code, - make_hashable(self.params), - )) - if hasattr(self, 'error_dict'): + if hasattr(self, "message"): + return hash( + ( + self.message, + self.code, + make_hashable(self.params), + ) + ) + if hasattr(self, "error_dict"): return hash(make_hashable(self.error_dict)) - return hash(tuple(sorted(self.error_list, key=operator.attrgetter('message')))) + return hash(tuple(sorted(self.error_list, key=operator.attrgetter("message")))) class EmptyResultSet(Exception): """A database query predicate is impossible.""" + pass class SynchronousOnlyOperation(Exception): """The user tried to call a sync-only function from an async context.""" + pass |