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