django-orchestra-test/orchestra/apps/resources/admin.py

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2014-07-08 15:19:15 +00:00
import sys
from django.contrib import admin
from django.contrib.contenttypes import generic
from django.utils.functional import cached_property
from django.utils.translation import ugettext_lazy as _
from orchestra.admin.filters import UsedContentTypeFilter
from orchestra.admin.utils import insertattr, get_modeladmin
from .forms import ResourceForm
from .models import Resource, ResourceAllocation, Monitor, MonitorData
class ResourceAdmin(admin.ModelAdmin):
list_display = (
'name', 'verbose_name', 'content_type', 'period', 'ondemand',
'default_allocation', 'disable_trigger'
)
list_filter = (UsedContentTypeFilter, 'period', 'ondemand', 'disable_trigger')
def save_model(self, request, obj, form, change):
super(ResourceAdmin, self).save_model(request, obj, form, change)
model = obj.content_type.model_class()
modeladmin = get_modeladmin(model)
resources = obj.content_type.resource_set.filter(is_active=True)
inlines = []
for inline in modeladmin.inlines:
if inline.model is ResourceAllocation:
inline = resource_inline_factory(resources)
inlines.append(inline)
modeladmin.inlines = inlines
class ResourceAllocationAdmin(admin.ModelAdmin):
list_display = ('id', 'resource', 'content_object', 'value')
list_filter = ('resource',)
class MonitorAdmin(admin.ModelAdmin):
list_display = ('backend', 'resource', 'crontab')
list_filter = ('backend', 'resource')
class MonitorDataAdmin(admin.ModelAdmin):
list_display = ('id', 'monitor', 'content_object', 'date', 'value')
list_filter = ('monitor',)
admin.site.register(Resource, ResourceAdmin)
admin.site.register(ResourceAllocation, ResourceAllocationAdmin)
admin.site.register(Monitor, MonitorAdmin)
admin.site.register(MonitorData, MonitorDataAdmin)
# Mokey-patching
def resource_inline_factory(resources):
class ResourceInlineFormSet(generic.BaseGenericInlineFormSet):
def total_form_count(self):
return len(resources)
@cached_property
def forms(self):
forms = []
for i, resource in enumerate(resources):
forms.append(self._construct_form(i, resource=resource))
return forms
class ResourceInline(generic.GenericTabularInline):
model = ResourceAllocation
verbose_name_plural = _("resources")
form = ResourceForm
formset = ResourceInlineFormSet
class Media:
css = {
'all': ('orchestra/css/hide-inline-id.css',)
}
def has_add_permission(self, *args, **kwargs):
""" Hidde add another """
return False
return ResourceInline
if not 'migrate' in sys.argv and not 'syncdb' in sys.argv:
# not run during syncdb
for resources in Resource.group_by_content_type():
inline = resource_inline_factory(resources)
model = resources[0].content_type.model_class()
insertattr(model, 'inlines', inline)