os – 操作系统通常提供的功能

os模块是 CPythonos模块的严格子集。因此,用 CircuitPython 编写的代码可以在 CPython 中运行,但不一定反过来。

在这些板上可用
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os.uname()_Uname

返回操作特定和 CircuitPython 端口特定信息的命名元组。

class os._Uname

基地: NamedTuple

uname() 返回值的类型

sysname :str
nodename :str
release :str
version :str
machine :str
os.chdir(path: str)None

更改当前目录。

os.getcwd()str

获取当前目录。

os.listdir(dir: str)str

不带参数,列出当前目录。否则列出给定的目录。

os.mkdir(path: str)None

创建一个新目录。

os.remove(path: str)None

删除文件。

os.rmdir(path: str)None

删除目录。

os.rename(old_path: str, new_path: str)str

重命名文件。

os.stat(path: str)Tuple[int, int, int, int, int, int, int, int, int, int]

获取文件或目录的状态。

笔记

在没有长整数的构建上,当代日期的秒数将不适合小整数。所以时间字段返回946684800,即1999-12-31对应的秒数。

os.statvfs(path: str)Tuple[int, int, int, int, int, int, int, int, int, int]

获取文件系统的状态。

按以下顺序返回包含文件系统信息的元组:

  • f_bsize – 文件系统块大小

  • f_frsize – 片段大小

  • f_blocks – 以 f_frsize 为单位的 fs 大小

  • f_bfree – 空闲块数

  • f_bavail – 非特权用户的空闲块数

  • f_files – inode 的数量

  • f_ffree – 空闲 inode 的数量

  • f_favail – 非特权用户的免费 inode 数量

  • f_flag – 挂载标志

  • f_namemax – 最大文件名长度

相关信息节点参数:f_files, f_ffree, f_availf_flags 参数可能会返回0,因为他们可以在一个端口的具体实施不可用。

os.sync()None

同步所有文件系统。

os.urandom(size: int)str

根据硬件真随机数生成器返回大小随机字节的字符串。当不可用时,它将引发 NotImplementedError。

os.sep :str

分隔符用于分隔路径组件,例如文件夹和文件名。