"""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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# Indices for stat struct members in the 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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# Names for file flags

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UF_NODUMP = 0x00000001

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UF_IMMUTABLE = 0x00000002

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UF_APPEND = 0x00000004

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UF_OPAQUE = 0x00000008

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UF_NOUNLINK = 0x00000010

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UF_COMPRESSED = 0x00000020 # OS X: file is hfs-compressed

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UF_HIDDEN = 0x00008000 # OS X: file should not be displayed

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SF_ARCHIVED = 0x00010000

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SF_IMMUTABLE = 0x00020000

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SF_APPEND = 0x00040000

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SF_NOUNLINK = 0x00100000

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SF_SNAPSHOT = 0x00200000

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