from appletree.context import Context
from appletree.utils import get_file_path


class ContextRn220(Context):
    """A specified context for ER response by Rn220 fit."""

    def __init__(self):
        """Initialization."""
        config = get_file_path("rn220.json")
        super().__init__(config)


class ContextRn220Ar37(Context):
    """A specified context for ER response by Rn220 & Ar37 combined fit."""

    def __init__(self):
        """Initialization."""
        config = get_file_path("rn220_ar37.json")
        super().__init__(config)
