v1

server/factory.py

@@ -0,0 +1,56 @@
+"""Application factory for the Flask server."""
+from __future__ import annotations
+
+import logging
+
+from flask import Flask
+
+from . import logging_config, middleware, routes, settings
+from .database import init_db, is_postgres_enabled
+
+
+def _configure_sentry() -> None:
+    if not settings.SENTRY_DSN:
+        return
+    try:
+        import sentry_sdk
+        from sentry_sdk.integrations.flask import FlaskIntegration
+
+        sentry_sdk.init(
+            dsn=settings.SENTRY_DSN,
+            integrations=[FlaskIntegration()],
+            traces_sample_rate=settings.SENTRY_TRACES_SAMPLE_RATE,
+        )
+        logging.info("Sentry initialized")
+    except Exception:
+        logging.exception("Failed to initialize Sentry SDK")
+
+
+def create_app() -> Flask:
+    """Create and configure the Flask application instance."""
+    logging_config.configure_logging()
+
+    if settings.POSTGRES_URL:
+        try:
+            import psycopg2  # type: ignore  # noqa: F401
+        except Exception:
+            logging.warning(
+                "POSTGRES_URL is set but psycopg2 is not installed; falling back to SQLite"
+            )
+
+    app = Flask(__name__)
+    app.config.from_mapping(SECRET_KEY=settings.SECRET_KEY)
+    app.template_folder = str(settings.BASE_DIR / "templates")
+
+    middleware.register_request_hooks(app)
+    routes.register_blueprints(app)
+
+    try:
+        init_db()
+    except Exception:
+        logging.exception("Failed to initialize DB at import time")
+
+    is_postgres_enabled()
+    _configure_sentry()
+
+    return app