33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
import os
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import asyncio
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from datetime import datetime, timedelta
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class FileCleaner:
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def __init__(self, target_dir, prefix, retention_hours):
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self.target_dir = target_dir
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self.prefix = prefix
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self.retention_hours = retention_hours
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async def periodic_cleanup(self):
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while True:
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try:
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self.cleanup_old_files()
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except Exception as e:
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print(f"清理文件时出错: {str(e)}")
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await asyncio.sleep(3600)
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def cleanup_old_files(self):
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if not os.path.exists(self.target_dir):
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return
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cutoff_time = datetime.now() - timedelta(hours=self.retention_hours)
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for filename in os.listdir(self.target_dir):
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if not filename.startswith(self.prefix):
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continue
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file_path = os.path.join(self.target_dir, filename)
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file_time = datetime.fromtimestamp(os.path.getctime(file_path))
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if file_time < cutoff_time:
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try:
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os.remove(file_path)
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print(f"已删除过期文件: {filename}")
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except Exception as e:
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print(f"删除文件失败 {filename}: {str(e)}") |