| """Constants/functions for interpreting results of os.stat() and os.lstat(). |
| |
| 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 |