33 lines
1.0 KiB
Python
33 lines
1.0 KiB
Python
import socket
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import uvicorn
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from financial_system.core.logger import AppLogger
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from financial_system.core.settings import get_settings
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logger = AppLogger.get_logger(__name__)
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def resolve_port(preferred_port: int, fallback_port: int) -> int:
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"""优先使用配置文件端口；被占用时自动切到备用端口。"""
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return preferred_port if is_port_available(preferred_port) else fallback_port
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def is_port_available(port: int) -> bool:
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"""用一次本地 TCP 探测判断端口是否可绑定。"""
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
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return sock.connect_ex(("127.0.0.1", port)) != 0
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if __name__ == "__main__":
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settings = get_settings()
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AppLogger.configure(settings)
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port = resolve_port(settings.server_port, settings.server_fallback_port)
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logger.info("后端服务启动 host=%s port=%s config_path=%s", settings.server_host, port, settings.config_path)
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uvicorn.run(
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"financial_system.api:app",
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host=settings.server_host,
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port=port,
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reload=False,
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)
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