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[+] improve typing

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This commit is contained in:
Siarhei Siniak 2025-07-03 11:22:33 +03:00
parent 2dec1e33c2
commit 4440e084b9
1 changed files with 17 additions and 0 deletions
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deps/test-task-2025-06-30-v1/python/online/fxreader/pr34/test_task_2025_06_30_v1/tickers/settings.py vendored Normal file
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import pydantic
import pydantic_settings
from typing import (ClassVar, Optional,)
class Settings(pydantic_settings.BaseSettings):
db_url : str
_singleton : ClassVar[Optional['Settings']] = None
@classmethod
def singleton(cls) -> 'Settings':
if cls._singleton is None:
cls._singleton = Settings.model_validate({})
return cls._singleton