code: def currentpath(self) -> str:
          
          return os.path.join(self.basepath, self.currentdir)
docs: Absolute path of the current working directory.
  
          >>> from hydpy.core.filetools import FileManager
          >>> filemanager = FileManager()
          >>> filemanager.BASEDIR = 'basename'
          >>> filemanager.projectdir = 'projectname'
          >>> from hydpy import repr_, TestIO
          >>> with TestIO():
          ...     filemanager.currentdir = 'testdir'
          ...     repr_(filemanager.currentpath)    # doctest: +ELLIPSIS
          '...hydpy/tests/iotesting/projectname/basename/testdir'