64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
import json
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import logging
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import os
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def read_last_n_lines(n):
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file_path = './cache/record.txt'
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try:
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with open(file_path, 'r') as file:
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lines = file.readlines()
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last_n_lines = [line.rstrip() for line in lines[-n:]]
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logging.info(f"read_last_n_lines:last_{n}_lines={last_n_lines} ")
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return last_n_lines
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except FileNotFoundError:
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logging.error(f"read_last_n_lines error: 文件未找到或路径错误。")
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print("文件未找到或路径错误。")
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return None
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def generate_json_data(lines):
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# 生成包含时间信息的 JSON 数据
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data = {
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'time': {}
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}
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for i, line in enumerate(lines, 1):
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data['time'][str(i)] = line
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json_data = json.dumps(data)
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return json_data
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def delete_file(file_path):
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try:
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# 检查文件是否存在
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if os.path.exists(file_path):
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# 确保文件已关闭
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with open(file_path, "a"):
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pass
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# 删除文件
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os.remove(file_path)
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logging.info(f"文件 {file_path} 已成功删除！")
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print(f"文件 {file_path} 已成功删除！")
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else:
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logging.info(f"文件 {file_path} 不存在，无法删除！")
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print(f"文件 {file_path} 不存在，无法删除！")
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except Exception as e:
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logging.error(f"delete_file error: {e}")
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print(f"删除文件时出现错误：{e}")
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def write_error_devices(text, newline=True):
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filename = "./error_devices.txt"
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# 判断当前目录下是否有txt文件
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if not os.path.exists(filename):
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# 如果文件不存在，则新建并写入文本
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with open(filename, "w") as file:
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file.write(text)
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else:
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# 如果文件已存在，则在文件末尾追加文本，并换行（如果需要）
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with open(filename, "a") as file:
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if newline:
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file.write("\n" + text)
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else:
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file.write(text) |