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59 lines
1.2 KiB
Python
59 lines
1.2 KiB
Python
"""
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Admin classes for the framework app
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"""
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from django.contrib import admin
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class SingletonModelAdmin(admin.ModelAdmin):
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"""
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Singleton Model Admin
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Prevents Django admin users deleting the singleton or adding extra rows.
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"""
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actions = None # Removes the default delete action.
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def has_add_permission(self, request): # pylint: disable=unused-argument
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"""
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Has "add" permissions
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:param request:
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:type request:
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:return:
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:rtype:
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"""
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return self.model.objects.all().count() == 0
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def has_change_permission(
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self, request, obj=None # pylint: disable=unused-argument
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):
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"""
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Has "change" permissions
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:param request:
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:type request:
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:param obj:
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:type obj:
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:return:
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:rtype:
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"""
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return True
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def has_delete_permission(
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self, request, obj=None # pylint: disable=unused-argument
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):
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"""
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Has "delete" permissions
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:param request:
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:type request:
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:param obj:
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:type obj:
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:return:
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:rtype:
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"""
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return False
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