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a/Allura/allura/controllers/base.py |
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b/Allura/allura/controllers/base.py |
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from tg import expose
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from tg import expose
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from webob import exc
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from webob import exc
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from tg.controllers.dispatcher import ObjectDispatcher
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class BaseController(object):
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class BaseController(object):
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@expose()
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@expose()
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def _lookup(self, name, *remainder):
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def _lookup(self, name, *remainder):
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"""Provide explicit default lookup to avoid dispatching backtracking
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"""Provide explicit default lookup to avoid dispatching backtracking
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and possible loops."""
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and possible loops."""
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raise exc.HTTPNotFound, name |
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raise exc.HTTPNotFound, name
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class DispatchIndex(object):
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"""Rewrite default url dispatching for controller.
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Catch url that ends with `index.*` and pass it to the `_lookup()`
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controller method, instead of `index()` as by default.
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Assumes that controller has `_lookup()` method.
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Use default dispatching for other urls.
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Use this class as a mixin to controller that needs such behaviour.
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(see allura.controllers.repository.TreeBrowser for an example)
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"""
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def _dispatch(self, state, remainder):
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dispatcher = ObjectDispatcher()
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if remainder and remainder[0] == 'index':
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controller, new_remainder = self._lookup(*remainder)
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state.add_controller(controller.__class__.__name__, controller)
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dispatcher = getattr(controller, '_dispatch', dispatcher._dispatch)
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return dispatcher(state, new_remainder)
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return dispatcher._dispatch(state, remainder)
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