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from ivle.webapp.base.plugins import ViewPlugin, PublicViewPlugin
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from ivle.webapp.base.xhtml import XHTMLView, XHTMLErrorView
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from ivle.webapp.errors import HTTPError, Unauthorized, NotFound
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from ivle.webapp.publisher import Publisher, PublishingError
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from ivle.webapp import ApplicationRoot
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config = ivle.config.Config()
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def generate_publisher(view_plugins, root):
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def generate_router(view_plugins, attr):
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Build a Mapper object for doing URL matching using 'routes', based on the
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given plugin registry.
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r = Publisher(root=root)
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r.add_set_switch('api', 'api')
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m = routes.Mapper(explicit=True)
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for plugin in view_plugins:
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if hasattr(plugin, 'forward_routes'):
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for fr in plugin.forward_routes:
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# An annotated function can also be passed in directly.
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if hasattr(fr, '_forward_route_meta'):
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r.add_forward_func(fr)
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if hasattr(plugin, 'reverse_routes'):
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for rr in plugin.reverse_routes:
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# An annotated function can also be passed in directly.
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if hasattr(rr, '_reverse_route_src'):
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r.add_reverse_func(rr)
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if hasattr(plugin, 'views'):
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for v in plugin.views:
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# Establish a URL pattern for each element of plugin.urls
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assert hasattr(plugin, 'urls'), "%r does not have any urls" % plugin
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for url in getattr(plugin, attr):
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kwargs_dict = url[2] if len(url) >= 3 else {}
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m.connect(routex, view=view_class, **kwargs_dict)
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def handler(apachereq):
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"""Handles an HTTP request.
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if req.publicmode:
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raise NotImplementedError("no public mode with obtrav yet!")
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req.publisher = generate_publisher(config.plugin_index[ViewPlugin],
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ApplicationRoot(req.config, req.store))
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obj, viewcls, subpath = req.publisher.resolve(req.uri.decode('utf-8'))
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req.mapper = generate_router(config.plugin_index[PublicViewPlugin],
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req.mapper = generate_router(config.plugin_index[ViewPlugin], 'urls')
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matchdict = req.mapper.match(req.uri)
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if matchdict is not None:
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viewcls = matchdict['view']
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# Get the remaining arguments, less 'view', 'action' and 'controller'
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# (The latter two seem to be built-in, and we don't want them).
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kwargs = matchdict.copy()
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# We 404 if we have a subpath but the view forbids it.
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if not viewcls.subpath_allowed and subpath:
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# Instantiate the view, which should be a BaseView class
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view = viewcls(req, obj, subpath)
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view = viewcls(req, **kwargs)
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# Check that the request (mainly the user) is permitted to access
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errviewcls = XHTMLView.get_error_view(e)
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errview = errviewcls(req, e, obj)
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errview = errviewcls(req, e)
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errview.render(req)
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req.store.commit()
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except PublishingError, e:
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XHTMLErrorView(req, NotFound('Not found: ' +
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str(e.args)), e[0]).render(req)
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XHTMLErrorView(req, NotFound(), e[0]).render(req)
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XHTMLErrorView(req, NotFound()).render(req)
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def handle_unknown_exception(req, exc_type, exc_value, exc_traceback):