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22 lines
658 B
Python
22 lines
658 B
Python
from pydantic import BaseModel
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def mapper[U: BaseModel, T: BaseModel](source: U, dest: T, **_) -> T:
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"""
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Map a source model to a destination model. Only top-level fields are mapped.
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"""
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for field in source.__class__.model_fields:
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if field in dest.__class__.model_fields:
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setattr(dest, field, getattr(source, field))
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return dest
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def cast[U: BaseModel, T: BaseModel](source: U, dest: type[T], **kwargs) -> T:
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create_data = {
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field: getattr(source, field) for field in source.__class__.model_fields if field in dest.model_fields
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}
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create_data.update(kwargs or {})
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return dest(**create_data)
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