ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter5/adaptive-log-parser/validation/runs/20260729T212342Z-5_7-live/parsers/live_bracket_parser.py

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+import re
+
+def parse(line: str) -> dict | None:
+    # 定义日志格式的正则表达式模式
+    pattern = r'^\[(?P<timestamp>[^\]]+)\]\s*\((?P<level>[^)]+)\)\s*<tool=(?P<tool>[^>]+)>\s*\{latency_ms=(?P<latency_ms>\d+)\s+status=(?P<status>\w+)\}\s*::\s*(?P<message>.*)$'
+    
+    # 尝试匹配日志行
+    match = re.match(pattern, line.strip())
+    if not match:
+        return None
+    
+    # 提取匹配的组
+    groups = match.groupdict()
+    
+    # 检查所有必需字段是否存在且不为空
+    required_keys = ['timestamp', 'level', 'tool', 'latency_ms', 'status', 'message']
+    for key in required_keys:
+        if key not in groups or not groups[key]:
+            return None
+    
+    # 转换latency_ms为整数
+    try:
+        groups['latency_ms'] = int(groups['latency_ms'])
+    except ValueError:
+        return None
+    
+    return groups

chapter5/adaptive-log-parser/validation/runs/20260729T212342Z-5_7-live/parsers/live_pipe_parser.py

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+import re
+
+def parse(line: str) -> dict | None:
+    # 定义匹配日志格式的正则表达式
+    pattern = r'^(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z)\|([A-Z]+)\|([\w.]+)\|step=(\d+)\|(.*)$'
+    match = re.match(pattern, line.strip())
+    
+    if not match:
+        return None
+    
+    # 提取各个字段
+    timestamp = match.group(1)
+    level = match.group(2)
+    module = match.group(3)
+    step = match.group(4)
+    message = match.group(5)
+    
+    # 确保所有必需字段都不为空
+    if not all([timestamp, level, module, step, message]):
+        return None
+    
+    return {
+        'timestamp': timestamp,
+        'level': level,
+        'module': module,
+        'step': step,
+        'message': message
+    }