"""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) # Windows FILE_ATTRIBUTE constants for interpreting os.stat()'s # "st_file_attributes" member FILE_ATTRIBUTE_ARCHIVE = 32 FILE_ATTRIBUTE_COMPRESSED = 2048 FILE_ATTRIBUTE_DEVICE = 64 FILE_ATTRIBUTE_DIRECTORY = 16 FILE_ATTRIBUTE_ENCRYPTED = 16384 FILE_ATTRIBUTE_HIDDEN = 2 FILE_ATTRIBUTE_INTEGRITY_STREAM = 32768 FILE_ATTRIBUTE_NORMAL = 128 FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 8192 FILE_ATTRIBUTE_NO_SCRUB_DATA = 131072 FILE_ATTRIBUTE_OFFLINE = 4096 FILE_ATTRIBUTE_READONLY = 1 FILE_ATTRIBUTE_REPARSE_POINT = 1024 FILE_ATTRIBUTE_SPARSE_FILE = 512 FILE_ATTRIBUTE_SYSTEM = 4 FILE_ATTRIBUTE_TEMPORARY = 256 FILE_ATTRIBUTE_VIRTUAL = 65536 # If available, use C implementation try: from _stat import * except ImportError: pass

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