Created
April 8, 2015 17:39
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| """ | |
| Instead of causing a 404 for cat IDs that are not found, return the parent resource. | |
| """ | |
| class Root(object): | |
| def __getitem__(self, key): | |
| if key == 'cats': | |
| res = CatList() | |
| res.__name__ = key | |
| res.__parent__ = self | |
| raise KeyError() | |
| class CatList(object): | |
| def __getitem__(self, key): | |
| # Find a cat | |
| cat = get_cat(key) | |
| if cat: | |
| res = CatResource(cat) | |
| res.__name__ = key | |
| res.__parent__ = self | |
| return res | |
| else: | |
| # You can also raise an HTTPNotFound() here or | |
| # create a CatResource(None) and set __name__ = '' | |
| # to signal that the cat identifier wasn't found. | |
| return self.__parent__ | |
| class CatResource(object): | |
| def __init__(self, cat): | |
| self.cat = cat | |
| def __getitem__(self, key): | |
| return key | |
| site_root = Root() | |
| @view_config(context=CatList, renderer='cat_list.mako') | |
| def cat_list(context, request): | |
| return dict() | |
| @view_config(context=Cat, name='', renderer='cat_view.mako') | |
| def cat_view(context, request): | |
| return dict(cat=context.cat) | |
| @view_config(context=Cat, name='owners', renderer='cat_owners.mako') | |
| def cat_owners(context, request): | |
| return dict(cat=context.cat) |
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