Mercurial > cpython-lru_cache-weakref

annotate Lib/macstat.py @ 4566:6403c94de50d legacy-trunk

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Added safeguard against failure in __del__.
author Guido van Rossum <guido@python.org>
date Wed, 27 Nov 1996 19:39:58 +0000
parents d892ac4b4fb9
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d892ac4b4fb9 * Lib/linecache.py: don't crash on empty filename
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1 # Module 'stat'
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2 #
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3 # Defines constants and functions for interpreting stat/lstat struct
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4 # as returned by os.stat() and os.lstat() (if it exists).
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5 #
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6 # Suggested usage: from stat import *
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7 #
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8 # XXX Strictly spoken, this module may have to be adapted for each POSIX
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9 # implementation; in practice, however, the numeric constants used by
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10 # stat() are almost universal (even for stat() emulations on non-UNIX
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11 # systems like MS-DOS).
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12
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13 # Indices for stat struct members in tuple returned by os.stat()
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14
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15 ST_MODE = 0
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16 ST_INO = 1
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17 ST_DEV = 2
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18 ST_NLINK = 3
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19 ST_UID = 4
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20 ST_GID = 5
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21 ST_SIZE = 6
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22 ST_ATIME = 7
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23 ST_MTIME = 8
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24 ST_CTIME = 9
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25
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26 # Extract bits from the mode
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27
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28 def S_IMODE(mode):
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29 return 0
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30
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31 def S_IFMT(mode):
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32 return mode & 0xFFFF
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33
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34 # Constants used as S_IFMT() for various file types
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35 # (not all are implemented on all systems)
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36
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37 S_IFDIR = 0x0000
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38 S_IFREG = 0x0003
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39
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40 # Functions to test for each file type
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41
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42 def S_ISDIR(mode):
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43 return S_IFMT(mode) == S_IFDIR
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44
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45 def S_ISCHR(mode):
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46 return 0
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47
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48 def S_ISBLK(mode):
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49 return 0
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50
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51 def S_ISREG(mode):
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52 return S_IFMT(mode) == S_IFREG
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53
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54 def S_ISFIFO(mode):
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55 return 0
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56
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57 def S_ISLNK(mode):
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58 return 0
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59
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60 def S_ISSOCK(mode):
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61 return 0
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62
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63 # Names for permission bits
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64
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65 S_ISUID = 04000
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66 S_ISGID = 02000
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67 S_ENFMT = S_ISGID
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68 S_ISVTX = 01000
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69 S_IREAD = 00400
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70 S_IWRITE = 00200
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71 S_IEXEC = 00100
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72 S_IRWXU = 00700
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73 S_IRUSR = 00400
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74 S_IWUSR = 00200
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75 S_IXUSR = 00100
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76 S_IRWXG = 00070
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77 S_IRGRP = 00040
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78 S_IWGRP = 00020
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79 S_IXGRP = 00010
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80 S_IRWXO = 00007
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81 S_IROTH = 00004
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82 S_IWOTH = 00002
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83 S_IXOTH = 00001