code: def _path_is_valid(self, path):
          
          VALIDATORS = [
              (os.path.isabs, self._ERROR_PATH_NOT_ABSOLUTE),
              (os.path.exists, self._ERROR_PATH_DOESNT_EXISTS),
              (os.path.isdir, self._ERROR_PATH_NOT_A_DIR),
          ]
  
          for validator in VALIDATORS:
              func, str_err = validator
              if not func(path):
                  self._print(str_err.format(path), 'red')
                  return
          return True
docs: validates if a given path is:
          - absolute,
          - exists on current machine
          - is a directory