code: def isbase(path1, path2):
      # type: (Text, Text) -> bool
      
      _path1 = forcedir(abspath(path1))
      _path2 = forcedir(abspath(path2))
      return _path2.startswith(_path1)
docs: Check if ``path1`` is a base of ``path2``.
  
      Arguments:
          path1 (str): A PyFilesytem path.
          path2 (str): A PyFilesytem path.
  
      Returns:
          bool: `True` if ``path2`` starts with ``path1``
  
      Example:
          >>> isbase('foo/bar', 'foo/bar/baz/egg.txt')
          True