,h ddlmZddlmZddlmZddlmZddlm Z ddl m Z m Z ddl mZmZddlmZeeZd ed efd ZeeZeee ed d Ze ddeZd ee ddffdZed ee ddffdZy)) Generator)contextmanager) quote_plus)OperationalError) create_engine)Session sessionmaker)Settingssettings) get_logger _settingsreturnc |j}|j}|j}|j}|j}t |}|sd|d|d|d|}|Sd|d|d|d|d| }|S)a Build a SQLAlchemy URL based on the provided settings. Parameters ---------- _settings (Settings): An instance of the Settings class containing the PostgreSQL connection details. Returns ------- str: The generated SQLAlchemy URL. zmysql+pymysql://@:/)SQL_HOSTSQL_PORTSQL_DBSQL_USERSQL_PASSr)r DB_HOSTDB_PORTDB_NAMEDB_USERDB_PASSencoded_password database_urls 2/var/www/html/RetailAPI/app/database/main/mysql.py+build_sqlalchemy_database_url_from_settingsr s  G  GG  G  G!'* )'!G9AgYayQ  *'!4D3EQwiqQXPYYZ[bZcd Ti)future pool_recycleF) autocommit autoflushbindNc#Kt} | |j y#t$r }d|}tj|d}~wwxYw#|j wxYww)z Get the database session. Returns ------- db: The database session. Raises ------ OperationalError: If an error occurs while accessing the database. =An error occurred while getting the database session. Error: N)_session_localrlogger exceptionclosedbe error_messages rget_dbr14sa  B  WXYW\] '   0 A%$A% A AA  AA""A%c#Kt} | |j y#t$r }d|}tj|d}~wwxYw#|j wxYww)z Context manager that creates a database session and yields it for use in a 'with' statement. Yields ------ Session: A database session. r(N)r) Exceptionr*r+r,r-s r get_ctx_dbr5Ksa  B  WXYW\] '   r2)collections.abcr contextlibr urllib.parserpymysqlr sqlalchemyrsqlalchemy.ormrr app.configr r app.logr __name__r*strr SQLALCHEMY_DATABASE_URLprint_enginer)r1r5r!rrDs%%#$$0) H 86FhO    %gN '4-..IgtT12r!