parameters: (self, parts)
docstring: Shall return an educated guess whether the path can be written to.
          Shall not raise.
docstring_summary: Shall return an educated guess whether the path can be written to.
          Shall not raise.
docstring_tokens: Shall return an educated guess whether the path can be written to . Shall not raise .
function: def writable(self, parts):
          """
          Shall return an educated guess whether the path can be written to.
          Shall not raise.
          """
function_tokens: def writable ( self , parts ) :