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93 lines
2.2 KiB
Python
93 lines
2.2 KiB
Python
from typing import get_origin
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import pydantic
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if pydantic.VERSION.startswith("1."):
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PYDANTIC_VERSION = 1
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raise NotImplementedError("pydantic 1.x is not supported, please upgrade to 2.x.")
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else:
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PYDANTIC_VERSION = 2
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# pydantic 2.x
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# Now we upgrade to pydantic 2.x
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from pydantic import (
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BaseModel,
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ConfigDict,
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Extra,
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Field,
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NonNegativeFloat,
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NonNegativeInt,
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PositiveFloat,
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PositiveInt,
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PrivateAttr,
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ValidationError,
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WithJsonSchema,
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field_validator,
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model_validator,
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root_validator,
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validator,
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)
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EXTRA_FORBID = "forbid"
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def model_to_json(model, **kwargs) -> str:
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"""Convert a pydantic model to json."""
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if PYDANTIC_VERSION == 1:
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return model.json(**kwargs)
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else:
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if "ensure_ascii" in kwargs:
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del kwargs["ensure_ascii"]
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return model.model_dump_json(**kwargs)
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def model_to_dict(model, **kwargs) -> dict:
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"""Convert a pydantic model to dict."""
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if PYDANTIC_VERSION == 1:
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return model.dict(**kwargs)
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else:
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return model.model_dump(**kwargs)
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def model_fields(model):
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"""Return the fields of a pydantic model."""
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if PYDANTIC_VERSION == 1:
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return model.__fields__
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else:
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return model.model_fields
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def field_is_required(field) -> bool:
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"""Return if a field is required."""
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if PYDANTIC_VERSION == 1:
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return field.required
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else:
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return field.is_required()
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def field_outer_type(field):
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"""Return the outer type of a field."""
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if PYDANTIC_VERSION == 1:
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return field.outer_type_
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else:
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# https://github.com/pydantic/pydantic/discussions/7217
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origin = get_origin(field.annotation)
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if origin is None:
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return field.annotation
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return origin
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def field_description(field):
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"""Return the description of a field."""
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if PYDANTIC_VERSION == 1:
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return field.field_info.description
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else:
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return field.description
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def field_default(field):
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"""Return the default value of a field."""
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if PYDANTIC_VERSION == 1:
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return field.field_info.default
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else:
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return field.default
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