init: 初始化 dpb 桃育种系统代码库

前后端 + 后端 FastAPI 全量源码、部署脚本与文档。

backend/app/core/logger.py

@@ -0,0 +1,78 @@
+import logging
+import sys
+from contextvars import ContextVar, Token
+
+from loguru import logger
+
+from app.config.path_conf import LOG_DIR
+from app.config.setting import settings
+
+# ── 请求链路 ID（日志追踪） ──
+_correlation_id: ContextVar[str] = ContextVar("correlation_id", default="")
+
+
+def set_correlation_id(cid: str) -> Token:
+    return _correlation_id.set(cid)
+
+
+def get_correlation_id() -> str:
+    return _correlation_id.get()
+
+
+def reset_correlation_id(token: Token) -> None:
+    _correlation_id.reset(token)
+
+
+def _context_patcher(record):
+    cid = get_correlation_id()
+    record["extra"]["ctx"] = f" | cid={cid[:8]}" if cid else ""
+
+
+class InterceptHandler(logging.Handler):
+    """将标准库 logging 重定向到 Loguru"""
+
+    def emit(self, record: logging.LogRecord) -> None:
+        try:
+            level = logger.level(record.levelname).name
+        except ValueError:
+            level = record.levelno
+        frame, depth = logging.currentframe(), 2
+        while frame and frame.f_code.co_filename == logging.__file__:
+            frame = frame.f_back
+            depth += 1
+        logger.opt(depth=depth, exception=record.exc_info).log(level, "{}", record.getMessage())
+
+
+def setup_logger() -> None:
+    """配置日志记录器"""
+    LOG_DIR.mkdir(parents=True, exist_ok=True)
+    logger.remove()
+    logger.configure(patcher=_context_patcher)
+
+    LOG_FMT = "<green>{time:YYYY-MM-DD HH:mm:ss.SSS}</green> | <level>{level: <8}</level> | <cyan>{name}</cyan>:<cyan>{function}</cyan>:<cyan>{line}</cyan> - <level>{message}</level>{extra[ctx]}"
+    logger.add(sys.stdout, format=LOG_FMT, backtrace=True, diagnose=True, catch=True, level=settings.LOGGER_LEVEL)
+    logger.add(
+        sink=str(LOG_DIR / "fastapiadmin.log"),
+        format=LOG_FMT,
+        level=settings.LOGGER_LEVEL,
+        backtrace=True,
+        diagnose=True,
+        catch=True,
+        rotation="00:00",
+        retention=30,
+        compression="gz",
+        encoding="utf-8",
+    )
+
+    logging.basicConfig(handlers=[InterceptHandler()], level=settings.LOGGER_LEVEL, force=True)
+    for name in [k for k in logging.root.manager.loggerDict if isinstance(k, str)] + ["uvicorn", "uvicorn.error", "uvicorn.access"]:
+        std = logging.getLogger(name)
+        std.handlers = [InterceptHandler()]
+        std.propagate = False
+
+    # APScheduler 的 DEBUG 轮询日志干扰太大，只保留 WARNING 以上
+    for name in ("apscheduler", "apscheduler.schedulers", "apscheduler.jobstores"):
+        logging.getLogger(name).setLevel(logging.WARNING)
+
+
+setup_logger()