初次提交

backend/test_loguru_simple.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from loguru import logger
+import sys
+
+# 创建安全流处理器
+class SafeStreamHandler:
+    def __init__(self, stream):
+        self.stream = stream
+
+    def write(self, message):
+        try:
+            self.stream.write(message)
+        except UnicodeEncodeError:
+            clean_message = message.encode('utf-8', errors='ignore').decode('utf-8')
+            self.stream.write(clean_message)
+
+    def flush(self):
+        self.stream.flush()
+
+# 配置loguru
+logger.remove()
+logger.add(
+    SafeStreamHandler(sys.stdout),
+    format="{time:HH:mm:ss} | {level: <8} | {message}",
+    level="INFO"
+)
+
+print("=== Loguru Simple Test ===")
+logger.info("Server starting...")
+logger.info("Test upload file")
+logger.success("Upload completed")
+logger.warning("File already exists")
+logger.error("Download failed")
+print("Test completed!")