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"""Constants/functions for interpreting results of os.stat() and os.lstat().
Suggested usage: from stat import *
"""
# Indices for stat struct members in the 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
# Names for file flags
UF_NODUMP = 0x00000001
UF_IMMUTABLE = 0x00000002
UF_APPEND = 0x00000004
UF_OPAQUE = 0x00000008
UF_NOUNLINK = 0x00000010
SF_ARCHIVED = 0x00010000
SF_IMMUTABLE = 0x00020000
SF_APPEND = 0x00040000
SF_NOUNLINK = 0x00100000
SF_SNAPSHOT = 0x00200000
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