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import logging
logger = logging.getLogger('camelot.admin.validator.entity_validator')
from sqlalchemy import orm
from .object_validator import ObjectValidator
[docs]class EntityValidator(ObjectValidator):
"""A validator class validates an entity before flushing it to the database
and provides the user with feedback if the entity is not ready to flush
"""
[docs] def validate_object( self, obj ):
""":return: list of messages explaining invalid data
empty list if object is valid
"""
session = orm.object_session( obj )
if session is not None:
if obj in session.deleted:
return []
return super( EntityValidator, self ).validate_object( obj )