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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
from typing import TYPE_CHECKING
from synapse._pydantic_compat import HAS_PYDANTIC_V2
if TYPE_CHECKING or HAS_PYDANTIC_V2:
from pydantic.v1 import BaseModel, Extra
else:
from pydantic import BaseModel, Extra
class RequestBodyModel(BaseModel):
"""A custom version of Pydantic's BaseModel which
- ignores unknown fields and
- does not allow fields to be overwritten after construction,
but otherwise uses Pydantic's default behaviour.
Ignoring unknown fields is a useful default. It means that clients can provide
unstable field not known to the server without the request being refused outright.
Subclassing in this way is recommended by
https://pydantic-docs.helpmanual.io/usage/model_config/#change-behaviour-globally
"""
class Config:
# By default, ignore fields that we don't recognise.
extra = Extra.ignore
# By default, don't allow fields to be reassigned after parsing.
allow_mutation = False
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