Python Library Reference
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6.6 statvfs -- Constants used with os.statvfs()

The statvfs module defines constants so interpreting the result if os.statvfs(), which returns a tuple, can be made without remembering ``magic numbers.'' Each of the constants defined in this module is the index of the entry in the tuple returned by os.statvfs() that contains the specified information.

F_BSIZE

Preferred file system block size.

F_FRSIZE

Fundamental file system block size.

F_BLOCKS

Total number of blocks in the filesystem.

F_BFREE

Total number of free blocks.

F_BAVAIL

Free blocks available to non-super user.

F_FILES

Total number of file nodes.

F_FFREE

Total number of free file nodes.

F_FAVAIL

Free nodes available to non-super user.

F_FLAG

Flags. System dependent: see statvfs() man page.

F_NAMEMAX

Maximum file name length.