sql insert are used for test purposes.

models.py is used for test purposes.

instance are created for test purpose.

Use SQLAlchemy instance to query database
set path(config.py), initialize object(__init__.py),
download flask_sqlalchemy extention(rquirements.txt
and use instance to query database (request_db.py).

cript de population de données des BD test :
-voiture.db
-codingpool.db

Recette :
python3
    from models import db
    db.create_all()
shell
mv test.db voiture.db
mv voiture.db instance/
cd instance /
sqlite3 voiture.db '.read data_voiture.sql'

ce script contient des requêtes SQL d'insertion.