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- # Module 'stat'
- #
- # Defines constants and functions for interpreting stat/lstat struct
- # as returned by os.stat() and os.lstat() (if it exists).
- #
- # Suggested usage: from stat import *
- #
- # XXX Strictly spoken, this module may have to be adapted for each POSIX
- # implementation; in practice, however, the numeric constants used by
- # stat() are almost universal (even for stat() emulations on non-UNIX
- # systems like MS-DOS).
-
- # Indices for stat struct members in tuple returned by os.stat()
-
- ST_MODE = 0
- ST_INO = 1
- ST_DEV = 2
- ST_NLINK = 3
- ST_UID = 4
- ST_GID = 5
- ST_SIZE = 6
- ST_ATIME = 7
- ST_MTIME = 8
- ST_CTIME = 9
-
- # Extract bits from the mode
-
- def S_IMODE(mode):
- return mode & 07777
-
- def S_IFMT(mode):
- return mode & 0170000
-
- # Constants used as S_IFMT() for various file types
- # (not all are implemented on all systems)
-
- S_IFDIR = 0040000
- S_IFCHR = 0020000
- S_IFBLK = 0060000
- S_IFREG = 0100000
- S_IFIFO = 0010000
- S_IFLNK = 0120000
- S_IFSOCK = 0140000
-
- # Functions to test for each file type
-
- def S_ISDIR(mode):
- return S_IFMT(mode) == S_IFDIR
-
- def S_ISCHR(mode):
- return S_IFMT(mode) == S_IFCHR
-
- def S_ISBLK(mode):
- return S_IFMT(mode) == S_IFBLK
-
- def S_ISREG(mode):
- return S_IFMT(mode) == S_IFREG
-
- def S_ISFIFO(mode):
- return S_IFMT(mode) == S_IFIFO
-
- def S_ISLNK(mode):
- return S_IFMT(mode) == S_IFLNK
-
- def S_ISSOCK(mode):
- return S_IFMT(mode) == S_IFSOCK
-
- # Names for permission bits
-
- S_ISUID = 04000
- S_ISGID = 02000
- S_ENFMT = S_ISGID
- S_ISVTX = 01000
- S_IREAD = 00400
- S_IWRITE = 00200
- S_IEXEC = 00100
- S_IRWXU = 00700
- S_IRUSR = 00400
- S_IWUSR = 00200
- S_IXUSR = 00100
- S_IRWXG = 00070
- S_IRGRP = 00040
- S_IWGRP = 00020
- S_IXGRP = 00010
- S_IRWXO = 00007
- S_IROTH = 00004
- S_IWOTH = 00002
- S_IXOTH = 00001
-