| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152 | from typing import Optionalfrom pydantic import Field, PositiveIntfrom pydantic_settings import BaseSettingsclass AnalyticdbConfig(BaseSettings):    """    Configuration for connecting to Alibaba Cloud AnalyticDB for PostgreSQL.    Refer to the following documentation for details on obtaining credentials:    https://www.alibabacloud.com/help/en/analyticdb-for-postgresql/getting-started/create-an-instance-instances-with-vector-engine-optimization-enabled    """    ANALYTICDB_KEY_ID: Optional[str] = Field(        default=None, description="The Access Key ID provided by Alibaba Cloud for API authentication."    )    ANALYTICDB_KEY_SECRET: Optional[str] = Field(        default=None, description="The Secret Access Key corresponding to the Access Key ID for secure API access."    )    ANALYTICDB_REGION_ID: Optional[str] = Field(        default=None,        description="The region where the AnalyticDB instance is deployed (e.g., 'cn-hangzhou', 'ap-southeast-1').",    )    ANALYTICDB_INSTANCE_ID: Optional[str] = Field(        default=None,        description="The unique identifier of the AnalyticDB instance you want to connect to.",    )    ANALYTICDB_ACCOUNT: Optional[str] = Field(        default=None,        description="The account name used to log in to the AnalyticDB instance"        " (usually the initial account created with the instance).",    )    ANALYTICDB_PASSWORD: Optional[str] = Field(        default=None, description="The password associated with the AnalyticDB account for database authentication."    )    ANALYTICDB_NAMESPACE: Optional[str] = Field(        default=None, description="The namespace within AnalyticDB for schema isolation (if using namespace feature)."    )    ANALYTICDB_NAMESPACE_PASSWORD: Optional[str] = Field(        default=None,        description="The password for accessing the specified namespace within the AnalyticDB instance"        " (if namespace feature is enabled).",    )    ANALYTICDB_HOST: Optional[str] = Field(        default=None, description="The host of the AnalyticDB instance you want to connect to."    )    ANALYTICDB_PORT: PositiveInt = Field(        default=5432, description="The port of the AnalyticDB instance you want to connect to."    )    ANALYTICDB_MIN_CONNECTION: PositiveInt = Field(default=1, description="Min connection of the AnalyticDB database.")    ANALYTICDB_MAX_CONNECTION: PositiveInt = Field(default=5, description="Max connection of the AnalyticDB database.")
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