Python分析动态更新的日志文件_python动态读取log文件

读取动态更新的日志文件

def read_file(filename, content, times):
    """
    统计动态更新的文件中指定内容出现次数
    :param filename: 文件名
    :param content: 匹配内容
    :param times: 匹配次数
    :return: 
    """
    count = 0
    with open(filename, 'r') as fp:
        while True:
            flag = fp.tell()
            line = fp.readline()
            if not line:
                time.sleep(1)
                fp.seek(flag)
            else:
                # print(line)
                if re.search(content, line):
                    count += 1
                if count == times:
                    break       
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