2022-04-05 05:22:26 +00:00
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# 初始化基类
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from application import settings
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class CoreInitialize:
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"""
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使用方法：继承此类，重写 run方法，在 run 中调用 save 进行数据初始化
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"""
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creator_id = None
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reset = False
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def __init__(self, reset=False, creator_id=None):
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"""
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reset: 是否重置初始化数据
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creator_id: 创建人id
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"""
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self.reset = reset or self.reset
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self.creator_id = creator_id or self.creator_id
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def save(self, obj, data: list, name=None, no_reset=False):
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name = name or obj._meta.verbose_name
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print(f"正在初始化[{obj._meta.label} => {name}]")
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if not no_reset and self.reset and obj not in settings.INITIALIZE_RESET_LIST:
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try:
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obj.objects.all().delete()
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settings.INITIALIZE_RESET_LIST.append(obj)
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except Exception:
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pass
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for ele in data:
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m2m_dict = {}
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new_data = {}
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for key, value in ele.items():
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# 判断传的 value 为 list 的多对多进行抽离，使用set 进行更新
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2022-05-13 17:46:41 +00:00
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if isinstance(value, list) and value and isinstance(value[0], int):
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2022-04-05 05:22:26 +00:00
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m2m_dict[key] = value
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else:
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new_data[key] = value
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object, _ = obj.objects.get_or_create(id=ele.get("id"), defaults=new_data)
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for key, m2m in m2m_dict.items():
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m2m = list(set(m2m))
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if m2m and len(m2m) > 0 and m2m[0]:
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exec(f"""
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if object.{key}:
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values_list = object.{key}.all().values_list('id', flat=True)
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values_list = list(set(list(values_list) + {m2m}))
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object.{key}.set(values_list)
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""")
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print(f"初始化完成[{obj._meta.label} => {name}]")
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def run(self):
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raise NotImplementedError('.run() must be overridden')
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