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"""The base classes for ORM models."""
from pydantic import BaseModel
from sqlalchemy.ext.asyncio import AsyncAttrs
from sqlalchemy.orm import DeclarativeBase
from sqlalchemy.schema import MetaData
NAMING_CONVENTIONS = {
"ix": "%(column_0_label)s_ix",
"uq": "%(table_name)s_%(column_0_name)s_uq",
"ck": "%(table_name)s_%(constraint_name)s_ck",
"fk": "%(table_name)s_%(column_0_name)s_%(referred_table_name)s_fk",
"pk": "%(table_name)s_pk",
}
class Base(AsyncAttrs, DeclarativeBase):
"""Classes that inherit this class will be automatically mapped using declarative mapping."""
metadata = MetaData(naming_convention=NAMING_CONVENTIONS)
def patch_from_pydantic(self, pydantic_model: BaseModel) -> None:
"""Patch this model using the given pydantic model, unspecified attributes remain the same."""
for key, value in pydantic_model.dict(exclude_unset=True).items():
setattr(self, key, value)
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