Django 如何正确调用地平线上的_uinit__;工作流。操作
在我的自定义工作流中,我有一个操作,其中包括向用户提供可用OpenStack图像和风格的列表。我的假设是,填充这两个列表的最佳位置是Django 如何正确调用地平线上的_uinit__;工作流。操作,django,openstack,openstack-horizon,Django,Openstack,Openstack Horizon,在我的自定义工作流中,我有一个操作,其中包括向用户提供可用OpenStack图像和风格的列表。我的假设是,填充这两个列表的最佳位置是\uuuu init\uuu方法。目前,我的是这样的: class SetWorkflowInfoAction(workflows.Action): name = forms.CharField(max_length="255", label=_("Workload Name")) description = forms.CharField(widg
\uuuu init\uuu
方法。目前,我的是这样的:
class SetWorkflowInfoAction(workflows.Action):
name = forms.CharField(max_length="255", label=_("Workload Name"))
description = forms.CharField(widget=forms.Textarea,
label=_("Description"), required=False)
image_choices = []
images = forms.ChoiceField(label=_("Images"), choices=image_choices)
flavor_choices = []
flavors = forms.ChoiceField(label=_("Flavors"), choices=flavor_choices)
def __init__(self, request, image_choices=image_choices, flavor_choices=flavor_choices,
*args, **kwargs):
super(SetWorkflowInfoAction, self).__init__(request, *args, **kwargs)
image_choices = []
flavor_choices = []
images, self._more, self._prev = api.glance.image_list_detailed(
self.request)
flavors = api.nova.flavor_list(request, True)
for image in images:
image_choices.append((image.id, image.name))
if len(image_choices) > 1:
image_choices.insert(0, ('', _("Select an Image")))
self.fields['images'].choices = image_choices
for flavor in flavors:
flavor_choices.append((flavor.id, flavor.name))
if len(flavor_choices) > 1:
flavor_choices.insert(0, ('', _("Select an Flavor")))
self.fields['flavors'].choices = flavor_choices
class Meta:
name = _("Basic Workload Information")
help_text = _("")
slug = "set_workflow_info"
class SetWorkflowInfoAction(workflows.Action):
name = forms.CharField(max_length="255", label=_("Workload Name"))
description = forms.CharField(widget=forms.Textarea,
label=_("Description"), required=False)
image_choices = []
images = forms.ChoiceField(label=_("Images"), choices=image_choices)
flavor_choices = []
flavors = forms.ChoiceField(label=_("Flavors"), choices=flavor_choices)
def __init__(self, request,
*args, **kwargs):
super(SetWorkflowInfoAction, self).__init__(request, *args, **kwargs)
image_choices = []
flavor_choices = []
images, self._more, self._prev = api.glance.image_list_detailed(
self.request)
flavors = api.nova.flavor_list(request, True)
for image in images:
image_choices.append((image.id, image.name))
if len(image_choices) > 1:
image_choices.insert(0, ('', _("Select an Image")))
self.fields['images'].choices = image_choices
for flavor in flavors:
flavor_choices.append((flavor.id, flavor.name))
if len(flavor_choices) > 1:
flavor_choices.insert(0, ('', _("Select an Flavor")))
self.fields['flavors'].choices = flavor_choices
class Meta:
name = _("Basic Workload Information")
help_text = _("")
slug = "set_workflow_info"
问题是-当我要调用\uuuuu init\uuuu
时,我得到了以下错误:
File "/home/eugene/dev/horizon/openstack_dashboard/dashboards/mydashboard/workloads_panel/workflows.py", line 20, in __init__
super(SetWorkflowInfoAction, self).__init__(request, *args, **kwargs)
TypeError: __init__() takes at least 3 arguments (2 given)
以这种方式调用
\uuuu init\uuuu
以便填充图像和口味列表的正确方法是什么?我要做的就是从顶级ini中删除两个未使用的参数
因此,工作版本如下所示:
class SetWorkflowInfoAction(workflows.Action):
name = forms.CharField(max_length="255", label=_("Workload Name"))
description = forms.CharField(widget=forms.Textarea,
label=_("Description"), required=False)
image_choices = []
images = forms.ChoiceField(label=_("Images"), choices=image_choices)
flavor_choices = []
flavors = forms.ChoiceField(label=_("Flavors"), choices=flavor_choices)
def __init__(self, request, image_choices=image_choices, flavor_choices=flavor_choices,
*args, **kwargs):
super(SetWorkflowInfoAction, self).__init__(request, *args, **kwargs)
image_choices = []
flavor_choices = []
images, self._more, self._prev = api.glance.image_list_detailed(
self.request)
flavors = api.nova.flavor_list(request, True)
for image in images:
image_choices.append((image.id, image.name))
if len(image_choices) > 1:
image_choices.insert(0, ('', _("Select an Image")))
self.fields['images'].choices = image_choices
for flavor in flavors:
flavor_choices.append((flavor.id, flavor.name))
if len(flavor_choices) > 1:
flavor_choices.insert(0, ('', _("Select an Flavor")))
self.fields['flavors'].choices = flavor_choices
class Meta:
name = _("Basic Workload Information")
help_text = _("")
slug = "set_workflow_info"
class SetWorkflowInfoAction(workflows.Action):
name = forms.CharField(max_length="255", label=_("Workload Name"))
description = forms.CharField(widget=forms.Textarea,
label=_("Description"), required=False)
image_choices = []
images = forms.ChoiceField(label=_("Images"), choices=image_choices)
flavor_choices = []
flavors = forms.ChoiceField(label=_("Flavors"), choices=flavor_choices)
def __init__(self, request,
*args, **kwargs):
super(SetWorkflowInfoAction, self).__init__(request, *args, **kwargs)
image_choices = []
flavor_choices = []
images, self._more, self._prev = api.glance.image_list_detailed(
self.request)
flavors = api.nova.flavor_list(request, True)
for image in images:
image_choices.append((image.id, image.name))
if len(image_choices) > 1:
image_choices.insert(0, ('', _("Select an Image")))
self.fields['images'].choices = image_choices
for flavor in flavors:
flavor_choices.append((flavor.id, flavor.name))
if len(flavor_choices) > 1:
flavor_choices.insert(0, ('', _("Select an Flavor")))
self.fields['flavors'].choices = flavor_choices
class Meta:
name = _("Basic Workload Information")
help_text = _("")
slug = "set_workflow_info"