Fix alembic migration module import error

- Fixed Python import path in alembic/env.py
- Added settings import to ensure consistent database URL
- Synchronized database configuration between app and alembic

generated with BackendIM... (backend.im)

alembic/env.py

@@ -1,10 +1,17 @@
 from logging.config import fileConfig
+import os
+import sys
+from pathlib import Path
 
 from sqlalchemy import engine_from_config
 from sqlalchemy import pool
 
 from alembic import context
 
+# Add the project root directory to Python's module search path
+project_root = Path(__file__).parent.parent.absolute()
+sys.path.append(str(project_root))
+
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
 config = context.config
@@ -13,6 +20,10 @@ config = context.config
 # This line sets up loggers basically.
 fileConfig(config.config_file_name)
 
+# Import settings and set alembic's sqlalchemy.url to match the app's settings
+from app.core.config import settings
+config.set_main_option('sqlalchemy.url', settings.DATABASE_URL)
+
 # add your model's MetaData object here
 # for 'autogenerate' support
 # from myapp import mymodel

app/core/config.py

@@ -20,7 +20,7 @@ class Settings(BaseSettings):
         env_file = ".env"
         env_file_encoding = "utf-8"
 
-# Ensure DB directory exists
-Path(settings.DB_DIR).mkdir(parents=True, exist_ok=True)
-
 settings = Settings()
+
+# Ensure DB directory exists
+settings.DB_DIR.mkdir(parents=True, exist_ok=True)