This method returns the absolute path name equivalent to
self.path. Unlike the .absPath() method, any soft links that may occur
within the path are resolved and replaced with the paths
to which the links refer. It uses the standard Python
function os.path.realpath().
# - - - P a t h I n f o . r e a l P a t h - - -
def realPath ( self ):
"""Return self's absolute path name, with links resolved."""
return os.path.realpath ( self.path )