py.lib.aw_config: src/aw_config/env.py annotate

awgur@0	1 # coding: utf-8
awgur@0	2
awgur@0	3 from os import environ as sysenv
awgur@0	4 from typing import Optional, Any
awgur@7	5
awgur@0	6 from .error import Error
awgur@7	7 from ._lib import _UNDEFINED
awgur@0	8
awgur@0	9
awgur@0	10 class EnvConfigError(Error):
awgur@0	11 def __init__(self, param_name: str, message: Any):
awgur@0	12 super().__init__(f'Ошибка в параметре: {param_name} - {message}')
awgur@0	13
awgur@0	14
awgur@7	15 def get_env(name: str, type_name: type, default: Optional[Any] = _UNDEFINED, mandatory: bool = False):
awgur@0	16 try:
awgur@0	17 return type_name(sysenv[name])
awgur@0	18
awgur@0	19 except (ValueError, TypeError) as e:
awgur@0	20 raise EnvConfigError(name, f'Ошибка преобразования типа - {e}')
awgur@0	21
awgur@0	22 except KeyError:
awgur@7	23 if default is _UNDEFINED and mandatory:
awgur@0	24 raise EnvConfigError(name, 'Не установлен параметр')
awgur@0	25
awgur@0	26 else:
awgur@0	27 return default

py.lib.aw_config