PM-pinou
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
"""
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对比两台机器的日志文件，标记第一个差异点。
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用法: runtime\python\python.exe scripts\diagnose_compare.py log_a.txt log_b.txt
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"""
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import sys, re
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# Pattern for log timestamps: [2026-07-14 20:00:00,123]
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_TS_PATTERN = re.compile(r'^\[\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d{3}\]')
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def strip_timestamp(line):
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"""Remove leading timestamp from a log line for comparison."""
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return _TS_PATTERN.sub('', line, count=1).strip()
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def extract_key(line):
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"""Extract [TAG] key=value from a log line for comparison."""
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m = re.match(r'\[(\w+)\]', line)
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if m:
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return m.group(0) # return the [TAG]
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return line[:50]
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def main():
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if len(sys.argv) < 3:
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print('用法: diagnose_compare.py <机器A日志> <机器B日志>')
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sys.exit(1)
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with open(sys.argv[1], 'r', encoding='utf-8') as f:
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lines_a = f.readlines()
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with open(sys.argv[2], 'r', encoding='utf-8') as f:
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lines_b = f.readlines()
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max_lines = min(len(lines_a), len(lines_b))
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first_diff = None
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for i in range(max_lines):
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a_stripped = strip_timestamp(lines_a[i])
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b_stripped = strip_timestamp(lines_b[i])
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if a_stripped != b_stripped:
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if first_diff is None:
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first_diff = i
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if first_diff is None:
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if len(lines_a) != len(lines_b):
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print(f'[MATCH] 前 {max_lines} 行一致, 但行数不同 (A={len(lines_a)}, B={len(lines_b)})')
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else:
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print('[MATCH] 两份日志完全一致')
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else:
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start = max(0, first_diff - 3)
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print(f'[DIFF] 首个差异在行 {first_diff + 1}:')
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print('--- 机器A ---')
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print(''.join(lines_a[start:first_diff + 3]))
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print('--- 机器B ---')
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print(''.join(lines_b[start:first_diff + 3]))
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if __name__ == '__main__':
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main()
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