65 lines
1.7 KiB
Python
65 lines
1.7 KiB
Python
"""
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Project: PARTS Website
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Author: Edward Middleton-Smith
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Precision And Research Technology Systems Limited
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Technology: Business Objects
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Feature: Database Base Business Objects
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Description:
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Abstract base class for database objects
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"""
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# internal
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# from helpers.DEPRECATED.helper_abc import Interface_ABC
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from extensions import db
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import lib.argument_validation as av
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# external
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from typing import ClassVar
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from abc import abstractmethod, ABCMeta
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from pydantic import BaseModel
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from sqlalchemy.ext.declarative import DeclarativeMeta
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# from flask_sqlalchemy import SQLAlchemy
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class SQLAlchemy_ABCMeta(db.Model.__class__, ABCMeta):
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pass
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class SQLAlchemy_ABC(db.Model, metaclass=SQLAlchemy_ABCMeta):
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__abstract__ = True
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# id = db.Column(db.Integer, primary_key=True)
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def __init__(self):
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pass
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def __repr__(self):
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pass
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def to_json(self):
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pass
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@classmethod
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def from_json(cls, json):
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pass
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def to_temporary_record(self):
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pass
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def to_object_with_missing_attributes(self, excluded_attributes):
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return {
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column.name: getattr(self, column.name)
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for column in self.__table__.columns
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if column.name not in excluded_attributes
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}
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class Get_Many_Parameters_Base(BaseModel, metaclass=ABCMeta):
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# a_id_user: int
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def __init__(self, **kwargs): # , a_id_user
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super().__init__(**kwargs) # a_id_user=a_id_user,
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@classmethod
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@abstractmethod
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def get_default(cls): # , id_user
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pass
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@classmethod
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@abstractmethod
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def from_json(self):
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pass
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@abstractmethod
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def to_json(self):
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pass # return self.dict() |