Return the canonical path of the specified filename, eliminating any symbolic

links encountered in the path (if they are supported by the operating

system).

system). On Windows, this function will also resolve and eliminate MS-DOS

(also called 8.3) style names such as ``C:\\PROGRA~1\\LONGFI~1.TXT`` to

``C:\\Program Files\\LongFile.txt``.

If a path doesn't exist or a symlink loop is encountered, and *strict* is

``True``,:exc:`OSError` is raised. If *strict* is ``False``, the path is

Operating system APIs make paths canonical as needed, so it's not

normally necessary to call this function.

In Windows, this function will also resolve and eliminate MS-DOS

(also called 8.3) style file names such as ``C:\\LONGFI~1.TXT``.

..versionchanged::3.6

Accepts a:term:`path-like object`.

*:func:`os.path.realpath` now resolves MS-DOS style file names even if

the file is not accessible.

(Contributed by Moonsik Park in:gh:`110298`.)

(Contributed by Moonsik Park in:gh:`82367`.)

New Modules

:mod:`os.path`:

:func:`os.path.realpath` now resolves MS-DOS style file names even if

the file is not accessible. Patch by Moonsik Park.