OpenStack Study: views.py

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# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2012 Nebula, Inc.

#

# Licensed under the Apache License, Version 2.0 (the "License"); you may

# not use this file except in compliance with the License. You may obtain

# a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

# License for the specific language governing permissions and limitations

# under the License.

from django import shortcuts

from django.views import generic

import horizon

from horizon import exceptions

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def user_home(request):

    """Reversible named view to direct a user to the appropriate homepage."""

    return shortcuts.redirect(horizon.get_user_home(request.user))

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class APIView(generic.TemplateView):

"""A quick class-based view for putting API data into a template.

Subclasses must

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    def get_data(self, request, context, *args, **kwargs):

        """This method should handle any necessary API calls, update the

        context object, and return the context object at the end.

        """

        raise NotImplementedError("You must define a get_data method "

                                   "on %s" % self.__class__.__name__)

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    def get(self, request, *args, **kwargs):

        context = self.get_context_data(**kwargs)

        try:

            context = self.get_data(request, context, *args, **kwargs)

        except Exception:

            exceptions.handle(request)

        return self.render_to_response(context)