grp —- The group database

This module provides access to the Unix group database. It is available on allUnix versions.

Group database entries are reported as a tuple-like object, whose attributescorrespond to the members of the group structure (Attribute field below, see<pwd.h>):

索引属性含义
0gr_namethe name of the group
1gr_passwdthe (encrypted) group password;often empty
2gr_gidthe numerical group ID
3gr_memall the group member's usernames

The gid is an integer, name and password are strings, and the member list is alist of strings. (Note that most users are not explicitly listed as members ofthe group they are in according to the password database. Check both databasesto get complete membership information. Also note that a gr_name thatstarts with a + or - is likely to be a YP/NIS reference and may not beaccessible via getgrnam() or getgrgid().)

本模块定义如下内容：

  • grp.getgrgid(gid)
  • Return the group database entry for the given numeric group ID. KeyErroris raised if the entry asked for cannot be found.

3.6 版后已移除: Since Python 3.6 the support of non-integer arguments like floats orstrings in getgrgid() is deprecated.

  • grp.getgrnam(name)
  • Return the group database entry for the given group name. KeyError israised if the entry asked for cannot be found.
  • grp.getgrall()
  • Return a list of all available group entries, in arbitrary order.

参见

  • Module pwd

  • An interface to the user database, similar to this.

  • 模块 spwd

  • 针对影子密码数据库的接口，与本模块类似。