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Commit Description:
merge with algo and add brython files that were missing
Commit Description:
merge with algo and add brython files that were missing
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lib/assets/Lib/stat.py
| 149 lines
| 4.3 KiB
| text/x-python
| PythonLexer
|
| r584 | """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 the portion of the file's mode that can be set by | ||||
| os.chmod(). | ||||
| """ | ||||
| return mode & 0o7777 | ||||
| def S_IFMT(mode): | ||||
| """Return the portion of the file's mode that describes the | ||||
| file type. | ||||
| """ | ||||
| return mode & 0o170000 | ||||
| # Constants used as S_IFMT() for various file types | ||||
| # (not all are implemented on all systems) | ||||
| S_IFDIR = 0o040000 # directory | ||||
| S_IFCHR = 0o020000 # character device | ||||
| S_IFBLK = 0o060000 # block device | ||||
| S_IFREG = 0o100000 # regular file | ||||
| S_IFIFO = 0o010000 # fifo (named pipe) | ||||
| S_IFLNK = 0o120000 # symbolic link | ||||
| S_IFSOCK = 0o140000 # socket file | ||||
| # Functions to test for each file type | ||||
| def S_ISDIR(mode): | ||||
| """Return True if mode is from a directory.""" | ||||
| return S_IFMT(mode) == S_IFDIR | ||||
| def S_ISCHR(mode): | ||||
| """Return True if mode is from a character special device file.""" | ||||
| return S_IFMT(mode) == S_IFCHR | ||||
| def S_ISBLK(mode): | ||||
| """Return True if mode is from a block special device file.""" | ||||
| return S_IFMT(mode) == S_IFBLK | ||||
| def S_ISREG(mode): | ||||
| """Return True if mode is from a regular file.""" | ||||
| return S_IFMT(mode) == S_IFREG | ||||
| def S_ISFIFO(mode): | ||||
| """Return True if mode is from a FIFO (named pipe).""" | ||||
| return S_IFMT(mode) == S_IFIFO | ||||
| def S_ISLNK(mode): | ||||
| """Return True if mode is from a symbolic link.""" | ||||
| return S_IFMT(mode) == S_IFLNK | ||||
| def S_ISSOCK(mode): | ||||
| """Return True if mode is from a socket.""" | ||||
| return S_IFMT(mode) == S_IFSOCK | ||||
| # Names for permission bits | ||||
| S_ISUID = 0o4000 # set UID bit | ||||
| S_ISGID = 0o2000 # set GID bit | ||||
| S_ENFMT = S_ISGID # file locking enforcement | ||||
| S_ISVTX = 0o1000 # sticky bit | ||||
| S_IREAD = 0o0400 # Unix V7 synonym for S_IRUSR | ||||
| S_IWRITE = 0o0200 # Unix V7 synonym for S_IWUSR | ||||
| S_IEXEC = 0o0100 # Unix V7 synonym for S_IXUSR | ||||
| S_IRWXU = 0o0700 # mask for owner permissions | ||||
| S_IRUSR = 0o0400 # read by owner | ||||
| S_IWUSR = 0o0200 # write by owner | ||||
| S_IXUSR = 0o0100 # execute by owner | ||||
| S_IRWXG = 0o0070 # mask for group permissions | ||||
| S_IRGRP = 0o0040 # read by group | ||||
| S_IWGRP = 0o0020 # write by group | ||||
| S_IXGRP = 0o0010 # execute by group | ||||
| S_IRWXO = 0o0007 # mask for others (not in group) permissions | ||||
| S_IROTH = 0o0004 # read by others | ||||
| S_IWOTH = 0o0002 # write by others | ||||
| S_IXOTH = 0o0001 # execute by others | ||||
| # Names for file flags | ||||
| UF_NODUMP = 0x00000001 # do not dump file | ||||
| UF_IMMUTABLE = 0x00000002 # file may not be changed | ||||
| UF_APPEND = 0x00000004 # file may only be appended to | ||||
| UF_OPAQUE = 0x00000008 # directory is opaque when viewed through a union stack | ||||
| UF_NOUNLINK = 0x00000010 # file may not be renamed or deleted | ||||
| UF_COMPRESSED = 0x00000020 # OS X: file is hfs-compressed | ||||
| UF_HIDDEN = 0x00008000 # OS X: file should not be displayed | ||||
| SF_ARCHIVED = 0x00010000 # file may be archived | ||||
| SF_IMMUTABLE = 0x00020000 # file may not be changed | ||||
| SF_APPEND = 0x00040000 # file may only be appended to | ||||
| SF_NOUNLINK = 0x00100000 # file may not be renamed or deleted | ||||
| SF_SNAPSHOT = 0x00200000 # file is a snapshot file | ||||
| _filemode_table = ( | ||||
| ((S_IFLNK, "l"), | ||||
| (S_IFREG, "-"), | ||||
| (S_IFBLK, "b"), | ||||
| (S_IFDIR, "d"), | ||||
| (S_IFCHR, "c"), | ||||
| (S_IFIFO, "p")), | ||||
| ((S_IRUSR, "r"),), | ||||
| ((S_IWUSR, "w"),), | ||||
| ((S_IXUSR|S_ISUID, "s"), | ||||
| (S_ISUID, "S"), | ||||
| (S_IXUSR, "x")), | ||||
| ((S_IRGRP, "r"),), | ||||
| ((S_IWGRP, "w"),), | ||||
| ((S_IXGRP|S_ISGID, "s"), | ||||
| (S_ISGID, "S"), | ||||
| (S_IXGRP, "x")), | ||||
| ((S_IROTH, "r"),), | ||||
| ((S_IWOTH, "w"),), | ||||
| ((S_IXOTH|S_ISVTX, "t"), | ||||
| (S_ISVTX, "T"), | ||||
| (S_IXOTH, "x")) | ||||
| ) | ||||
| def filemode(mode): | ||||
| """Convert a file's mode to a string of the form '-rwxrwxrwx'.""" | ||||
| perm = [] | ||||
| for table in _filemode_table: | ||||
| for bit, char in table: | ||||
| if mode & bit == bit: | ||||
| perm.append(char) | ||||
| break | ||||
| else: | ||||
| perm.append("-") | ||||
| return "".join(perm) | ||||