925a3b3911
- simplify Model.Schema - introduce metaclass in favor of __sub_init__ - use metaclass to populate effective Model.Schema
46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
from tortoise import fields
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from tortoise.models import Model as TortoiseModel
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from tortoise.contrib.pydantic import pydantic_model_creator, pydantic_queryset_creator
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class ModelMeta(type(TortoiseModel)):
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def __new__(cls, name, bases, attrs):
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new_cls = super().__new__(cls, name, bases, attrs)
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schema_opts = getattr(new_cls, "Schema", None)
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class BoundSchema:
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@property
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def one(self):
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"""Return a Pydantic model class for 'one' results."""
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include = getattr(schema_opts, "include", None)
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exclude = getattr(schema_opts, "exclude", None)
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return pydantic_model_creator(
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new_cls,
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name=f"{new_cls.__name__}SchemaOne",
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include=include,
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exclude=exclude,
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exclude_readonly=True,
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)
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@property
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def many(self):
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"""Return a Pydantic queryset class for 'many' results."""
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include = getattr(schema_opts, "include", None)
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exclude = getattr(schema_opts, "exclude", None)
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return pydantic_queryset_creator(
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new_cls,
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name=f"{new_cls.__name__}SchemaMany",
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include=include,
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exclude=exclude,
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)
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new_cls.Schema = BoundSchema()
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return new_cls
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class Model(TortoiseModel, metaclass=ModelMeta):
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class Schema:
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include = None
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exclude = None
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