"""
Ported to Python 3.
"""

from __future__ import unicode_literals
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

from future.utils import PY2
if PY2:
    from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min  # noqa: F401

import sys
import six
from allmydata.util.assertutil import precondition
from allmydata.util.fileutil import abspath_expanduser_unicode


_default_nodedir = None
if sys.platform == 'win32':
    from allmydata.windows import registry
    path = registry.get_base_dir_path()
    if path:
        precondition(isinstance(path, six.text_type), path)
        _default_nodedir = abspath_expanduser_unicode(path)

if _default_nodedir is None:
    path = abspath_expanduser_unicode(u"~/.tahoe")
    precondition(isinstance(path, six.text_type), path)
    _default_nodedir = path