fix for pydantic 2

{{ cookiecutter.package_name }}/src/{{ cookiecutter.package_slug }}/alembic/env.py

@@ -28,8 +28,7 @@ target_metadata = {{ cookiecutter.package_slug }}.models.Base.metadata
 
 
 class Settings(pydantic_settings.BaseSettings):
-    class Config:
-        env_file = ".env"
+    model_config = pydantic_settings.SettingsConfigDict(env_file=".env")
 
     {{ cookiecutter.database_slug }}_url: str
 

{{ cookiecutter.package_name }}/src/{{ cookiecutter.package_slug }}/common.py

@@ -5,14 +5,17 @@ import sqlalchemy.orm
 
 
 class Settings(pydantic_settings.BaseSettings):
-    class Config:
-        env_file = ".env"
+    model_config = pydantic_settings.SettingsConfigDict(env_file=".env")
 
     {{ cookiecutter.database_slug }}_url: str = "sqlite:///./{{ cookiecutter.database_slug }}.sqlite3"
 
 
 @functools.cache
 def settings() -> Settings:
+    """
+    This function is cached so that the settings are only loaded once.
+    If you want to reload the settings, you can use `settings.cache_clear()` before.
+    """
     return Settings()  # type: ignore
 
 

{{ cookiecutter.package_name }}/src/{{ cookiecutter.package_slug }}/pytest_plugin/fixtures.py

@@ -16,8 +16,7 @@ local_config: typing.Final = alembic.config.Config(
 
 
 class Settings(pydantic_settings.BaseSettings):
-    class Config:
-        env_file = ".env"
+    model_config = pydantic_settings.SettingsConfigDict(env_file=".env", extra='ignore')
 
     {{ cookiecutter.database_slug }}_test_url: str = "sqlite:///./{{ cookiecutter.database_slug }}_test.sqlite3"