Method _get_encrypted_fields

pymongo/synchronous/database.py:306–331

(
        self, kwargs: Mapping[str, Any], coll_name: str, ask_db: bool
    )

        )

    def _get_encrypted_fields(
        self, kwargs: Mapping[str, Any], coll_name: str, ask_db: bool
    ) -> Optional[Mapping[str, Any]]:
        encrypted_fields = kwargs.get("encryptedFields")
        if encrypted_fields:
            return cast(Mapping[str, Any], deepcopy(encrypted_fields))
        if (
            self.client.options.auto_encryption_opts
            and self.client.options.auto_encryption_opts._encrypted_fields_map
            and self.client.options.auto_encryption_opts._encrypted_fields_map.get(
                f"{self.name}.{coll_name}"
            )
        ):
            return cast(
                Mapping[str, Any],
                deepcopy(
                    self.client.options.auto_encryption_opts._encrypted_fields_map[
                        f"{self.name}.{coll_name}"
                    ]
                ),
            )
        if ask_db and self.client.options.auto_encryption_opts:
            options = self[coll_name].options()
            if options.get("encryptedFields"):
                return cast(Mapping[str, Any], deepcopy(options["encryptedFields"]))
        return None

    # See PYTHON-3084.
    __iter__ = None