change loading config for export.py

kontor-scripts/export.py

@@ -4,7 +4,7 @@ import data from json file to MariaDB
 from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
 from datetime import datetime
 import json
-import yaml
+import os
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 from platformdirs import PlatformDirs
@@ -19,25 +19,20 @@ parser.add_argument('--config', '-c', default='kontor-docker')
 parser.add_argument('--file', '-f', default='data.json')
 args = parser.parse_args()
 
+DB_USER: str = os.getenv("DB_USER", "kontor")
+DB_PASSWORD: str = os.getenv("DB_PASSWORD", "kontor")
+DB_SERVER: str = os.getenv("DB_SERVER", "127.0.0.1")
+DB_PORT: int = int(os.getenv("DB_PORT", 5432))
+DB_DBNAME: str = os.getenv("DB_DBNAME", "kontor")
+DATABASE_URL: str = f"postgresql://{DB_USER}:{DB_PASSWORD}@{DB_SERVER}:{DB_PORT}/{DB_DBNAME}"
 
 if __name__ == '__main__':
     logger = get_logger(args.verbose, args.config)
     logger.info('kontor.export started')
-    dirs = PlatformDirs(args.config)
+    engine = create_engine(DATABASE_URL)
-    database_config = Path(dirs.user_config_dir, 'database-config.yaml')
-    with open(database_config, 'rt') as f:
-        db_config = yaml.safe_load(f.read())
-    connect_string = ('postgresql://{}:{}@{}:{}/{}'.format(
-        db_config['postgres']['user'],
-        db_config['postgres']['password'],
-        db_config['postgres']['host'],
-        db_config['postgres']['port'],
-        db_config['postgres']['database']
-    ))
-    engine = create_engine(connect_string)
     Base.metadata.create_all(bind=engine, checkfirst=True)
-    __session__ = sessionmaker(bind=engine)
+    SessionLocal = sessionmaker(bind=engine)
-    with __session__() as db:
+    with SessionLocal() as db:
         data = {}
         tables = registry.keys()
         for table in tables:
@@ -60,3 +55,4 @@ if __name__ == '__main__':
     #kontor_db = KontorDB(engine, logger)
     #kontor_db.export_db(ExportType.JSON, args.file)
     logger.info('kontor.export finished')
+