Exceptions API¶

Module for all xblock exception classes

exception xblock.exceptions.DisallowedFileError¶

Raised by open_local_resource() if the requested file is not allowed.

exception xblock.exceptions.FieldDataDeprecationWarning¶

Warning for use of deprecated _field_data accessor

exception xblock.exceptions.InvalidScopeError(invalid_scope, valid_scopes=None)¶

Raised to indicated that operating on the supplied scope isn’t allowed by a KeyValueStore

exception xblock.exceptions.JsonHandlerError(status_code, message)¶

Raised by a function decorated with XBlock.json_handler to indicate that an error response should be returned.

get_response(**kwargs)¶

Returns a Response object containing this object’s status code and a JSON object containing the key “error” with the value of this object’s error message in the body. Keyword args are passed through to the Response.

exception xblock.exceptions.KeyValueMultiSaveError(saved_field_names)¶

Raised to indicated an error in saving multiple fields in a KeyValueStore

Create a new KeyValueMultiSaveError

saved_field_names - an iterable of field names (strings) that were successfully saved before the exception occurred

exception xblock.exceptions.NoSuchDefinition¶

Raised by IdReader.get_block_type() if the definition doesn’t exist.

exception xblock.exceptions.NoSuchHandlerError¶

Raised to indicate that the requested handler was not found.

exception xblock.exceptions.NoSuchServiceError¶

Raised to indicate that a requested service was not found.

exception xblock.exceptions.NoSuchUsage¶

Raised by IdReader.get_definition_id() if the usage doesn’t exist.

exception xblock.exceptions.NoSuchViewError(block, view_name)¶

Raised to indicate that the view requested was not found.

Create a new NoSuchViewError

Parameters

• block – The XBlock without a view

• view_name – The name of the view that couldn’t be found

exception xblock.exceptions.XBlockNotFoundError(usage_id)¶

Raised to indicate that an XBlock could not be found with the requested usage_id

exception xblock.exceptions.XBlockParseException¶

Raised if parsing the XBlock olx fails.

exception xblock.exceptions.XBlockSaveError(saved_fields, dirty_fields, message=None)¶

Raised to indicate an error in saving an XBlock

Create a new XBlockSaveError

saved_fields - a set of fields that were successfully saved before the error occurred dirty_fields - a set of fields that were left dirty after the save