cfdaily
61 lines
1.7 KiB
Python
Executable File
61 lines
1.7 KiB
Python
Executable File
"""
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数据库配置文件
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支持 SQLite（方案零）和 PostgreSQL（方案一）
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"""
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import os
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from typing import Optional
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from pydantic_settings import BaseSettings
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class DatabaseSettings(BaseSettings):
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"""数据库配置"""
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# 数据库类型: sqlite 或 postgresql
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db_type: str = "sqlite"
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# SQLite 配置
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sqlite_path: str = os.path.join(os.path.dirname(__file__), "data", "quant_trading.db")
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# PostgreSQL 配置（方案一使用）
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postgres_host: str = "localhost"
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postgres_port: int = 5432
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postgres_user: str = "quant_user"
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postgres_password: str = ""
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postgres_db: str = "quant_trading"
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# 连接池配置
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pool_size: int = 5
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max_overflow: int = 10
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pool_timeout: int = 30
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pool_recycle: int = 3600
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# 日志配置
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echo_sql: bool = False
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class Config:
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env_prefix = "QUANT_"
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env_file = ".env"
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def get_database_url(self) -> str:
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"""获取数据库连接 URL"""
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if self.db_type == "sqlite":
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# 确保 SQLite 数据库目录存在
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os.makedirs(os.path.dirname(self.sqlite_path), exist_ok=True)
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return f"sqlite:///{self.sqlite_path}"
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elif self.db_type == "postgresql":
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return (
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f"postgresql+psycopg2://{self.postgres_user}:{self.postgres_password}"
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f"@{self.postgres_host}:{self.postgres_port}/{self.postgres_db}"
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)
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else:
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raise ValueError(f"不支持的数据库类型: {self.db_type}")
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# 全局数据库配置实例
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db_settings = DatabaseSettings()
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if __name__ == "__main__":
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print(f"数据库类型: {db_settings.db_type}")
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print(f"数据库连接 URL: {db_settings.get_database_url()}")
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