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