INNER CODE UNIT · Python

scan_file_for_sentinel

ArcSurge/Termius-Pro-zh_CN · lang.py:34

def scan_file_for_sentinel(file_path, chunk_size=1024 * 1024):
    """流式扫描文件是否包含熔丝哨兵字符串"""
    tail = b""
    try:
        with open(file_path, "rb") as file:
            while True:
                chunk = file.read(chunk_size)
                if not chunk:
                    return False
                if FUSE_SENTINEL in tail + chunk:
                    return True
                tail = chunk[-(len(FUSE_SENTINEL) - 1):]
    except OSError:
        return False


def is_macos():
    """检测是否为 macOS 系统"""

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