Manager with data bindings

>>> from woger import WorkspaceManager, BasePathStructure, BaseData
>>> from collections import OrderedDict
>>>
>>> class PathStructure(BasePathStructure):
...     loaded = 'loaded.txt'
...     parsed = 'parsed.json'
>>>
>>> def load_txt(data):
...     return '\n'.join([
...         'This text-mapping of values',
...         'Goal-convert to json dict',
...     ])
>>>
>>> def parse_loaded(data):
...     content = data.loaded
...     return OrderedDict(
...         line.split('-')
...         for line
...         in content.split('\n')
...     )
>>>
>>> class Data(BaseData):
...     loaded = load_txt
...     parsed = parse_loaded
>>>
>>> manager = WorkspaceManager('storage', PathStructure, Data)
>>>
>>> ws = manager.create(1346)
>>> print(ws)
<Workspace(storage/1346)>
>>>
>>> print(manager)
<WorkspaceManager(root=storage, storage=<WorkspaceStorage [1346]>)>
>>>
>>> ws.data.parsed
OrderedDict([('This text', 'mapping of values'), ('Goal', 'convert to json dict')])