Source code for codegrade.models.restriction_exam_environment_no_preparation

"""The module that defines the ``RestrictionExamEnvironmentNoPreparation`` model.

SPDX-License-Identifier: AGPL-3.0-only OR BSD-3-Clause-Clear
"""

from __future__ import annotations

import datetime
import typing as t
from dataclasses import dataclass, field

import cg_request_args as rqa

from ..utils import to_dict
from .no_preparation import NoPreparation



[docs]
@dataclass(kw_only=True)
class RestrictionExamEnvironmentNoPreparation(NoPreparation):
    """The provider needs nothing from the student before the exam."""

    #: Always `None`: there is nothing to set up.
    opens_at: t.Optional[datetime.datetime]

    raw_data: t.Optional[t.Dict[str, t.Any]] = field(init=False, repr=False)

    data_parser: t.ClassVar[t.Any] = rqa.Lazy(
        lambda: NoPreparation.data_parser.parser.combine(
            rqa.FixedMapping(
                rqa.RequiredArgument(
                    "opens_at",
                    rqa.Nullable(rqa.RichValue.DateTime),
                    doc="Always `None`: there is nothing to set up.",
                ),
            )
        )
    )

    def to_dict(self) -> t.Dict[str, t.Any]:
        res: t.Dict[str, t.Any] = {
            "opens_at": to_dict(self.opens_at),
            "tag": to_dict(self.tag),
        }
        return res

    @classmethod
    def from_dict(
        cls: t.Type[RestrictionExamEnvironmentNoPreparation],
        d: t.Dict[str, t.Any],
    ) -> RestrictionExamEnvironmentNoPreparation:
        parsed = cls.data_parser.try_parse(d)

        res = cls(
            opens_at=parsed.opens_at,
            tag=parsed.tag,
        )
        res.raw_data = d
        return res



import os

if os.getenv("CG_GENERATING_DOCS", "False").lower() in ("", "true"):
    pass