Stack-based datastructures: StackedDict.
Project description
wardrobe is a Python project about datastructures to manage contexts. It currently provides one class: StackedDict.
StackedDict is a dictionary-like object with additional methods to save the current state (commit) and restore it (reset).
Example:
>>> from wardrobe import StackedDict >>> clark = StackedDict(top='blue bodysuit', bottom='red underpants', ... sex_appeal=True) >>> clark['bottom'] 'red underpants' >>> clark['friend'] = 'Lois' >>> dict(clark) == {'top': 'blue bodysuit', ... 'bottom': 'red underpants', ... 'friend': 'Lois', ... 'sex_appeal': True} True >>> clark.commit() # doctest: +ELLIPSIS <wardrobe.stackeddict.StackedDict object at 0x...> >>> clark.update({'top': 'shirt', 'bottom': 'jeans', 'head': 'glasses'}) >>> del clark['sex_appeal'] >>> dict(clark) == {'top': 'shirt', ... 'bottom': 'jeans', ... 'head': 'glasses', ... 'friend': 'Lois'} True >>> clark.reset() # doctest: +ELLIPSIS <wardrobe.stackeddict.StackedDict object at 0x...> >>> dict(clark) == {'top': 'blue bodysuit', ... 'bottom': 'red underpants', ... 'friend': 'Lois', ... 'sex_appeal': True} True
wardrobe.StackedDict is useful to create context objects, like Django’s django.template.context:Context objects.
Ressources
online documentation: http://wardrobe.readthedocs.org
PyPI page: http://pypi.python.org/pypi/wardrobe
code repository: https://github.com/benoitbryon/wardrobe
bugtracker: https://github.com/benoitbryon/wardrobe/issues
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