example.py

from reconfigure.items.bound import BoundData
from reconfigure.configs.base import Reconfig
from reconfigure.parsers import IniFileParser
from reconfigure.builders import BoundBuilder


class OperaData (BoundData):
    pass


class GlobalData (BoundData):
    pass


OperaData.bind_child('global', lambda x: x.get('global'), item_class=GlobalData)
GlobalData.bind_property('option1', 'option1')
GlobalData.bind_property('option2', 'option2')


class OperaConfig (Reconfig):
    def __init__(self, **kwargs):
        k = {
            'parser': IniFileParser(),
            'builder': BoundBuilder(OperaData),
        }
        k.update(kwargs)
        Reconfig.__init__(self, **k)

# -----------------

config = OperaConfig(path='file.ini')
config.load()

print config.tree

config.save()

file.ini

[global]
option1=value1
option2=value2