def create_app(config_filename=None, host="localhost"):
setup_logging()
flask_app = Flask("API Logic Server")
flask_app.config.from_object("config.Config")
db = safrs.DB # opens database per config, setting session
Base: declarative_base = db.Model
session: Session = db.session
print("app/__init__#create_app - got session: " + str(session))
def constraint_handler(message: str, constraint: object,
logic_row: LogicRow):
if constraint.error_attributes:
detail = {
"model": logic_row.name,
"error_attributes": constraint.error_attributes
}
else:
detail = {"model": logic_row.name}
raise ValidationErrorExt(message=message, detail=detail)
LogicBank.activate(session=session,
activator=logic_bank.declare_logic,
constraint_event=constraint_handler)
with flask_app.app_context():
db.init_app(flask_app)
safrs_api = expose_api_models.expose_models(flask_app, host)
expose_services.expose_services(flask_app, safrs_api)
SAFRSBase._s_auto_commit = False
session.close()
return flask_app, safrs_api
def create_app(config_filename=None, host="localhost"):
app = Flask("demo_app")
app.config.update(SQLALCHEMY_DATABASE_URI="sqlite://")
db.init_app(app)
with app.app_context():
db.create_all()
create_api(app, host)
# User the safrs.DB, not db!
LogicBank.activate(session=DB.session, activator=declare_logic)
return app
def create_app(config_filename=None, host="localhost"):
setup_logging()
app = Flask("API Logic Server")
app.config.from_object("config.Config")
db = safrs.DB # opens (what?) database, returning session
Base: declarative_base = db.Model
session: Session = db.session
print("app/__init__#create_app - got session: " + str(session))
def constraint_handler(
message: str, constraint: object, logic_row: LogicRow
): # message: str, constr: constraint, row: logic_row):
raise ValidationError(message)
LogicBank.activate(session=session,
activator=logic_bank.declare_logic,
constraint_event=constraint_handler)
with app.app_context():
db.init_app(app)
expose_api_models.expose_models(app, host)
return app
do_engine_logging = False # TODO move to config file, reconsider level
engine_logger = logging.getLogger('engine_logger') # for internals
if do_engine_logging:
engine_logger.setLevel(logging.DEBUG)
handler = logging.StreamHandler(sys.stdout)
handler.setLevel(logging.DEBUG)
formatter = logging.Formatter(
'%(message)s - %(asctime)s - %(name)s - %(levelname)s')
handler.setFormatter(formatter)
engine_logger.addHandler(handler)
basedir = os.path.abspath(os.path.dirname(__file__))
basedir = os.path.dirname(basedir)
banking_loc = basedir + "/db/database.db"
banking_source = basedir + "/db/database-gold.db"
conn_string = "sqlite:///" + banking_loc
engine = sqlalchemy.create_engine(conn_string, pool_pre_ping=True,
echo=False) # sqlalchemy sqls...
session_maker = sqlalchemy.orm.sessionmaker()
session_maker.configure(bind=engine)
session = session_maker()
rule_list = None
db = None
LogicBank.activate(session=session, activator=activate_basic_rules)
print("\n" + prt("session created, listeners registered\n"))
engine_logger.setLevel(logging.DEBUG)
handler = logging.StreamHandler(sys.stdout)
handler.setLevel(logging.DEBUG)
formatter = logging.Formatter(
'%(message)s - %(asctime)s - %(name)s - %(levelname)s')
handler.setFormatter(formatter)
engine_logger.addHandler(handler)
basedir = os.path.abspath(os.path.dirname(__file__))
basedir = os.path.dirname(basedir)
nw_loc = os.path.join(basedir, "db/database.db")
conn_string = "sqlite:///" + nw_loc
engine = sqlalchemy.create_engine(conn_string,
echo=False) # sqlalchemy sqls...
session_maker = sqlalchemy.orm.sessionmaker()
session_maker.configure(bind=engine)
session = session_maker()
by_rules = True # True => use rules, False => use legacy hand code (for comparison)
rule_list = None
db = None
if by_rules:
LogicBank.activate(session=session, activator=declare_logic)
else:
legacy_setup.setup(session) # test asserts fail due to counts (else ok)
print("\n" + prt("END - connected, session created, listeners registered\n"))
formatter = logging.Formatter(
'%(message)s - %(asctime)s - %(name)s - %(levelname)s')
handler.setFormatter(formatter)
logic_logger.addHandler(handler)
do_engine_logging = True
engine_logger = logging.getLogger('engine_logger') # for internals
if do_engine_logging:
engine_logger.setLevel(logging.DEBUG)
handler = logging.StreamHandler(sys.stdout)
handler.setLevel(logging.DEBUG)
formatter = logging.Formatter(
'%(message)s - %(asctime)s - %(name)s - %(levelname)s')
handler.setFormatter(formatter)
engine_logger.addHandler(handler)
session: session = db.session
def constraint_handler(message: str, constraint: constraint,
logic_row: logic_row
): # message: str, constr: constraint, row: logic_row):
raise ValidationError(message)
LogicBank.activate(session=session,
activator=declare_logic,
constraint_event=constraint_handler)
util.log("LogicBank activated\n")
