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Python Model.get_collection_string方法代码示例

本文整理汇总了Python中django.db.models.Model.get_collection_string方法的典型用法代码示例。如果您正苦于以下问题:Python Model.get_collection_string方法的具体用法?Python Model.get_collection_string怎么用?Python Model.get_collection_string使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在django.db.models.Model的用法示例。


在下文中一共展示了Model.get_collection_string方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: __init__

# 需要导入模块: from django.db.models import Model [as 别名]
# 或者: from django.db.models.Model import get_collection_string [as 别名]
    def __init__(self, instance: Model = None, deleted: bool = False, collection_string: str = None,
                 id: int = None, full_data: Dict[str, Any] = None, information: Dict[str, Any] = None) -> None:
        """
        Do not use this. Use the methods from_instance() or from_values().
        """
        self.instance = instance
        self.deleted = deleted
        self.full_data = full_data
        self.information = information or {}
        if instance is not None:
            # Collection element is created via instance
            self.collection_string = instance.get_collection_string()
            self.id = instance.pk
        elif collection_string is not None and id is not None:
            # Collection element is created via values
            self.collection_string = collection_string
            self.id = id
        else:
            raise RuntimeError(
                'Invalid state. Use CollectionElement.from_instance() or '
                'CollectionElement.from_values() but not CollectionElement() '
                'directly.')

        if self.is_deleted():
            # Delete the element from the cache, if self.is_deleted() is True:
            full_data_cache.del_element(self.collection_string, self.id)
        else:
            # The call to get_full_data() has some sideeffects. When the object
            # was created with from_instance() or the object is not in the cache
            # then get_full_data() will save the object into the cache.
            # This will also raise a DoesNotExist error, if the object does
            # neither exist in the cache nor in the database.
            self.get_full_data()
开发者ID:Intevation,项目名称:OpenSlides,代码行数:35,代码来源:collection.py


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