sndhdr — 确定声音文件类型
sndhdr
spwd
Deprecated since version 3.11, will be removed in version 3.13: The spwd 模块被弃用 (见 PEP 594 for details and alternatives).
This module provides access to the Unix shadow password database. It is available on various Unix versions.
可用性 ：非 Emscripten，非 WASI。
本模块不工作 (或不可用) 于 WebAssembly 平台 wasm32-emscripten and wasm32-wasi 。见 WebAssembly 平台 了解更多信息。
wasm32-emscripten
wasm32-wasi
You must have enough privileges to access the shadow password database (this usually means you have to be root).
Shadow password database entries are reported as a tuple-like object, whose attributes correspond to the members of the spwd structure (Attribute field below, see <shadow.h> ):
<shadow.h>
索引
属性
含义
sp_namp
sp_pwdp
sp_lstchg
sp_min
Minimal number of days between changes
sp_max
Maximum number of days between changes
sp_warn
Number of days before password expires to warn user about it
sp_inact
Number of days after password expires until account is disabled
sp_expire
Number of days since 1970-01-01 when account expires
sp_flag
The sp_namp and sp_pwdp items are strings, all others are integers. KeyError is raised if the entry asked for cannot be found.
KeyError
定义了下列函数：
Return the shadow password database entry for the given user name.
3.6 版改变： 引发 PermissionError 而不是 KeyError if the user doesn’t have privileges.
PermissionError
Return a list of all available shadow password database entries, in arbitrary order.
另请参阅
grp
An interface to the group database, similar to this.
pwd
An interface to the normal password database, similar to this.
sunau — 读写 Sun AU 文件
sunau
键入搜索术语或模块、类、函数名称。