OILS / opy / _regtest / src / stat.py View on Github | oilshell.org

96 lines, 66 significant
1"""Constants/functions for interpreting results of os.stat() and os.lstat().
2
3Suggested usage: from stat import *
4"""
5
6# Indices for stat struct members in the tuple returned by os.stat()
7
8ST_MODE = 0
9ST_INO = 1
10ST_DEV = 2
11ST_NLINK = 3
12ST_UID = 4
13ST_GID = 5
14ST_SIZE = 6
15ST_ATIME = 7
16ST_MTIME = 8
17ST_CTIME = 9
18
19# Extract bits from the mode
20
21def S_IMODE(mode):
22 return mode & 07777
23
24def S_IFMT(mode):
25 return mode & 0170000
26
27# Constants used as S_IFMT() for various file types
28# (not all are implemented on all systems)
29
30S_IFDIR = 0040000
31S_IFCHR = 0020000
32S_IFBLK = 0060000
33S_IFREG = 0100000
34S_IFIFO = 0010000
35S_IFLNK = 0120000
36S_IFSOCK = 0140000
37
38# Functions to test for each file type
39
40def S_ISDIR(mode):
41 return S_IFMT(mode) == S_IFDIR
42
43def S_ISCHR(mode):
44 return S_IFMT(mode) == S_IFCHR
45
46def S_ISBLK(mode):
47 return S_IFMT(mode) == S_IFBLK
48
49def S_ISREG(mode):
50 return S_IFMT(mode) == S_IFREG
51
52def S_ISFIFO(mode):
53 return S_IFMT(mode) == S_IFIFO
54
55def S_ISLNK(mode):
56 return S_IFMT(mode) == S_IFLNK
57
58def S_ISSOCK(mode):
59 return S_IFMT(mode) == S_IFSOCK
60
61# Names for permission bits
62
63S_ISUID = 04000
64S_ISGID = 02000
65S_ENFMT = S_ISGID
66S_ISVTX = 01000
67S_IREAD = 00400
68S_IWRITE = 00200
69S_IEXEC = 00100
70S_IRWXU = 00700
71S_IRUSR = 00400
72S_IWUSR = 00200
73S_IXUSR = 00100
74S_IRWXG = 00070
75S_IRGRP = 00040
76S_IWGRP = 00020
77S_IXGRP = 00010
78S_IRWXO = 00007
79S_IROTH = 00004
80S_IWOTH = 00002
81S_IXOTH = 00001
82
83# Names for file flags
84
85UF_NODUMP = 0x00000001
86UF_IMMUTABLE = 0x00000002
87UF_APPEND = 0x00000004
88UF_OPAQUE = 0x00000008
89UF_NOUNLINK = 0x00000010
90UF_COMPRESSED = 0x00000020 # OS X: file is hfs-compressed
91UF_HIDDEN = 0x00008000 # OS X: file should not be displayed
92SF_ARCHIVED = 0x00010000
93SF_IMMUTABLE = 0x00020000
94SF_APPEND = 0x00040000
95SF_NOUNLINK = 0x00100000
96SF_SNAPSHOT = 0x00200000