| 1234567891011121314151617181920212223242526272829303132333435363738 | from typing import Optionalfrom pydantic import BaseModel, Field, NonNegativeInt, PositiveIntclass RedisConfig(BaseModel):    """    Redis configs    """    REDIS_HOST: str = Field(        description='Redis host',        default='localhost',    )    REDIS_PORT: PositiveInt = Field(        description='Redis port',        default=6379,    )    REDIS_USERNAME: Optional[str] = Field(        description='Redis username',        default=None,    )    REDIS_PASSWORD: Optional[str] = Field(        description='Redis password',        default=None,    )    REDIS_DB: NonNegativeInt = Field(        description='Redis database id, default to 0',        default=0,    )    REDIS_USE_SSL: bool = Field(        description='whether to use SSL for Redis connection',        default=False,    )
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