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58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
from collections import OrderedDict
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from django.db.models import Q, QuerySet
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class CustomFieldQueryset:
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"""
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Annotate custom fields on objects within a QuerySet.
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"""
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def __init__(self, queryset, custom_fields):
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self.queryset = queryset
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self.model = queryset.model
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self.custom_fields = custom_fields
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def __iter__(self):
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for obj in self.queryset:
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values_dict = {cfv.field_id: cfv.value for cfv in obj.custom_field_values.all()}
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obj.custom_fields = OrderedDict([(field, values_dict.get(field.pk)) for field in self.custom_fields])
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yield obj
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class ConfigContextQuerySet(QuerySet):
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def get_for_object(self, obj):
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"""
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Return all applicable ConfigContexts for a given object. Only active ConfigContexts will be included.
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"""
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# `device_role` for Device; `role` for VirtualMachine
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role = getattr(obj, 'device_role', None) or obj.role
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# Virtualization cluster for VirtualMachine
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cluster = getattr(obj, 'cluster', None)
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cluster_group = getattr(cluster, 'group', None)
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# Get the group of the assigned tenant, if any
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tenant_group = obj.tenant.group if obj.tenant else None
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# Match against the directly assigned region as well as any parent regions.
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region = getattr(obj.site, 'region', None)
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if region:
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regions = region.get_ancestors(include_self=True)
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else:
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regions = []
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return self.filter(
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Q(regions__in=regions) | Q(regions=None),
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Q(sites=obj.site) | Q(sites=None),
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Q(roles=role) | Q(roles=None),
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Q(platforms=obj.platform) | Q(platforms=None),
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Q(cluster_groups=cluster_group) | Q(cluster_groups=None),
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Q(clusters=cluster) | Q(clusters=None),
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Q(tenant_groups=tenant_group) | Q(tenant_groups=None),
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Q(tenants=obj.tenant) | Q(tenants=None),
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Q(tags__slug__in=obj.tags.slugs()) | Q(tags=None),
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is_active=True,
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).order_by('weight', 'name')
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