39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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class ObjectList(object):
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# For FooList, ITEM_CLS = Foo
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ITEM_CLS = None
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"""Provide listiness for objects which are a list of other objects."""
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def __init__(self, objects=None):
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self.objects = objects or []
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def __len__(self):
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"""List length is a proxy for truthiness."""
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return len(self.objects)
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def __getitem__(self, index):
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return self.objects[index]
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def __repr__(self):
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strings = [repr(x) for x in self.objects]
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return "%s[%s]" % (self.__class__.__name__, ", ".join(strings))
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@classmethod
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def _set_objects(cls, context, db_list):
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list_obj = cls()
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for db_item in db_list:
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list_obj.objects.append(cls.ITEM_CLS(context, **db_item))
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return list_obj
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