horizon/openstack_dashboard/usage/views.py
Radomir Dopieralski 0eca7449cc Fix Flake8 style warnings in openstack_dashboard/
Warnings H904, H307 and H405 are new or considerably changed, and will
be fixed in a separate patch.

Closes-bug: #1349820
Partial-bug: #1347472

Change-Id: I4fd28990dacf16f03a4eaa6074ef59c37f1a2c14
2014-07-30 14:13:24 +02:00

81 lines
3.2 KiB
Python

# 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.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import tables
from openstack_dashboard import api
from openstack_dashboard.usage import base
class UsageView(tables.DataTableView):
usage_class = None
show_terminated = True
csv_template_name = None
def __init__(self, *args, **kwargs):
super(UsageView, self).__init__(*args, **kwargs)
if not issubclass(self.usage_class, base.BaseUsage):
raise AttributeError("You must specify a usage_class attribute "
"which is a subclass of BaseUsage.")
def get_template_names(self):
if self.request.GET.get('format', 'html') == 'csv':
return (self.csv_template_name or
".".join((self.template_name.rsplit('.', 1)[0], 'csv')))
return self.template_name
def get_content_type(self):
if self.request.GET.get('format', 'html') == 'csv':
return "text/csv"
return "text/html"
def get_data(self):
try:
project_id = self.kwargs.get('project_id',
self.request.user.tenant_id)
self.usage = self.usage_class(self.request, project_id)
self.usage.summarize(*self.usage.get_date_range())
self.usage.get_limits()
self.kwargs['usage'] = self.usage
return self.usage.usage_list
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve usage information.'))
return []
def get_context_data(self, **kwargs):
context = super(UsageView, self).get_context_data(**kwargs)
context['table'].kwargs['usage'] = self.usage
context['form'] = self.usage.form
context['usage'] = self.usage
try:
context['simple_tenant_usage_enabled'] = \
api.nova.extension_supported('SimpleTenantUsage', self.request)
except Exception:
context['simple_tenant_usage_enabled'] = True
return context
def render_to_response(self, context, **response_kwargs):
if self.request.GET.get('format', 'html') == 'csv':
render_class = self.csv_response_class
response_kwargs.setdefault("filename", "usage.csv")
else:
render_class = self.response_class
resp = render_class(request=self.request,
template=self.get_template_names(),
context=context,
content_type=self.get_content_type(),
**response_kwargs)
return resp