Verify string lengths when creating model objects

pyjeeves/models/abc.py

@@ -17,6 +17,7 @@ from sqlservice import ModelBase, as_declarative
 from pyjeeves import logging
 
 from . import db
+from .ext import InstallValidatorListeners
 
 logger = logging.getLogger("PyJeeves." + __name__)
 
@@ -37,6 +38,7 @@ except OperationalError as e:
 class RawBaseModel(ModelBase):
     """ Generalize __init__, __repr__ and to_json
         Based on the models columns , ForetagKod=1"""
+    __sa_instrumentation_manager__ = InstallValidatorListeners
 
     __to_dict_filter__ = []
     __to_dict_only__ = ()