ahtlon
158b430235
this time using pydantic-settings as a base - removed all os.getenv calls - removed the secret_key default option - reworked database loading, creating tables - prob. something else also but its 4:30 and i have to sleep
71 lines
1.8 KiB
Python
71 lines
1.8 KiB
Python
import logging
|
|
from functools import lru_cache
|
|
|
|
from pydantic_settings import BaseSettings, SettingsConfigDict
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class Settings(BaseSettings):
|
|
model_config = SettingsConfigDict(env_file=".env")
|
|
|
|
secret_key: str
|
|
sqlalchemy_database_url: str = "sqlite:///./gatekeeper.db"
|
|
lock_pin: int = 17
|
|
unlock_pin: int = 18
|
|
mock_gpio: bool = True
|
|
alembic_config: str = "./alembic.ini"
|
|
|
|
disable_cards: bool = False
|
|
mifare_app_master_key: str | None = None
|
|
mifare_acl_read_base_key: str | None = None
|
|
mifare_acl_write_base_key: str | None = None
|
|
|
|
|
|
@lru_cache(1)
|
|
def _create_settings():
|
|
settings = Settings()
|
|
if not settings.disable_cards:
|
|
missing = [
|
|
name.upper()
|
|
for name in (
|
|
"mifare_app_master_key",
|
|
"mifare_acl_read_base_key",
|
|
"mifare_acl_write_base_key",
|
|
)
|
|
if not getattr(settings, name)
|
|
]
|
|
if missing:
|
|
logger.critical(
|
|
"Missing environment variable for scanner start: %s"
|
|
"Card scanner and related funcionality is disabled!",
|
|
", ".join(missing),
|
|
)
|
|
settings.disable_cards = True
|
|
return settings
|
|
|
|
|
|
class _SettingsProxy:
|
|
_instance: Settings | None = None
|
|
|
|
def _load(self) -> Settings:
|
|
if self._instance is None:
|
|
self._instance = _create_settings()
|
|
return self._instance
|
|
|
|
def __getattr__(self, name: str):
|
|
return getattr(self._load(), name)
|
|
|
|
def __setattr__(self, name: str, value):
|
|
if name == "_instance":
|
|
super().__setattr__(name, value)
|
|
else:
|
|
setattr(self._load(), name, value)
|
|
|
|
def reset(self) -> None:
|
|
self._instance = None
|
|
_create_settings.cache_clear()
|
|
|
|
|
|
settings = _SettingsProxy()
|