def force_save_fields(self, field_names):
"""
Save all fields that are specified in `field_names`, even
if they are not dirty.
"""
fields = [self.fields[field_name] for field_name in field_names]
fields_to_save_json = {}
for field in fields:
fields_to_save_json[field.name] = field.to_json(
self._field_data_cache[field.name])
try:
# Throws KeyValueMultiSaveError if things go wrong
self._field_data.set_many(self, fields_to_save_json)
except KeyValueMultiSaveError as save_error:
saved_fields = [
field for field in fields
if field.name in save_error.saved_field_names
] # pylint: disable=exception-escape
for field in saved_fields:
# should only find one corresponding field
fields.remove(field)
# if the field was dirty, delete from dirty fields
self._reset_dirty_field(field)
msg = 'Error saving fields {}'.format(save_error.saved_field_names)
raise XBlockSaveError(saved_fields, fields, msg)
# Remove all dirty fields, since the save was successful
for field in fields:
self._reset_dirty_field(field)
def save(self):
"""Save all dirty fields attached to this XBlock."""
if not self._dirty_fields:
# nop if _dirty_fields attribute is empty
return
try:
fields_to_save = self._get_fields_to_save()
# Throws KeyValueMultiSaveError if things go wrong
self._field_data.set_many(self, fields_to_save)
except KeyValueMultiSaveError as save_error:
saved_fields = [field for field in self._dirty_fields if field.name in save_error.saved_field_names]
for field in saved_fields:
# should only find one corresponding field
del self._dirty_fields[field]
raise XBlockSaveError(saved_fields, self._dirty_fields.keys())
# Remove all dirty fields, since the save was successful
self._clear_dirty_fields()