separate cli and gui application in own python packages. provide database schema as python package.

python/kontor-gui/kontor.py

@@ -0,0 +1,43 @@
+"""
+PyQT6 GUI for Kontor
+"""
+import logging
+import sys
+import logging.config
+from pathlib import Path
+from platformdirs import PlatformDirs
+from PySide6.QtWidgets import QApplication
+import yaml
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from kontor_schema.base import Base
+
+from gui.main_window import MainWindow
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    dirs = PlatformDirs("kontor")
+    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 = ('mariadb+mariadbconnector://{}:{}@{}:{}/{}'.format(
+        db_config['mariadb']['user'],
+        db_config['mariadb']['password'],
+        db_config['mariadb']['host'],
+        db_config['mariadb']['port'],
+        db_config['mariadb']['database']
+    ))
+    logging_config = Path(dirs.user_config_dir, 'logging-config.yaml')
+    with open(logging_config, 'rt') as f:
+        config = yaml.safe_load(f.read())
+    logging.config.dictConfig(config)
+    logger = logging.getLogger('development')
+    # engine = create_engine(connect_string, echo=True)
+    engine = create_engine(connect_string)
+    Base.metadata.create_all(bind=engine, checkfirst=True)
+    __session__ = sessionmaker(bind=engine)
+
+    window = MainWindow(engine, logger)
+    window.show()
+    app.exec()