code: def getNameFromPath(filePath):
      
      if len(filePath) == 0:
          raise ValueError("Cannot have empty path for name")
      fileName = os.path.split(os.path.normpath(filePath))[1]
      # We need to handle things like .fa.gz, so we can't use
      # os.path.splitext
      ret = fileName.split(".")[0]
      assert ret != ""
      return ret
docs: Returns the filename of the specified path without its extensions.
      This is usually how we derive the default name for a given object.