sniffers.py 文件源码

def to_absolute(pid, fd, path):
    if not path:
        return None
    if path[0] == '/':
        return path
    try:
        process = psutil.Process(pid)
        cwd = process.cwd()
        pid_cwd[pid] = cwd  # cache every pid's cwd
    except (psutil.NoSuchProcess, psutil.AccessDenied):
        cwd = pid_cwd.get(pid)
        if not cwd:
            return None

    return os.path.realpath(os.path.join(cwd, path))