Initial Commit

slip slop

migrations/env.py

@@ -0,0 +1,58 @@
+"""Alembic environment — wired to our SQLAlchemy models and DATABASE_URL."""
+import os
+from logging.config import fileConfig
+
+from dotenv import load_dotenv
+from sqlalchemy import engine_from_config, pool
+from alembic import context
+
+# Load .env so DATABASE_URL is available when running alembic locally.
+load_dotenv()
+
+# Alembic Config object
+config = context.config
+
+# Set up loggers from alembic.ini
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# Override sqlalchemy.url from environment (takes precedence over alembic.ini).
+db_url = os.environ.get("DATABASE_URL")
+if db_url:
+    config.set_main_option("sqlalchemy.url", db_url)
+
+# Import models so Alembic autogenerate can see the metadata.
+from app.extensions import db  # noqa: E402
+import app.models  # noqa: E402, F401  — registers all models on db.metadata
+
+target_metadata = db.metadata
+
+
+def run_migrations_offline() -> None:
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+    with connectable.connect() as connection:
+        context.configure(connection=connection, target_metadata=target_metadata)
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()