Source code for openstack_dashboard.usage.views

class UsageView(tables.DataTableView):
    usage_class = None
    show_terminated = True

[docs] 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 ".".join((self.template_name.rsplit('.', 1)[0], 'csv')) return self.template_name
[docs] def get_content_type(self): if self.request.GET.get('format', 'html') == 'csv': return "text/csv" return "text/html"
[docs] def get_data(self): 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())
[docs] self.usage.get_limits() self.kwargs['usage'] = self.usage return self.usage.usage_list 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
[docs] context['usage'] = self.usage 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")
[docs] 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