dict_as_object.py

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"""Dict wrapper to access keys as attributes."""


class DictAsObject:
    """Dict wrapper to access keys as attributes."""

    def __init__(self, scope):
        """Remember given `scope`."""
        self._scope = scope

    def _asdict(self):
        """Provide inner Channels scope object."""
        return self._scope

    # ------------------------------------------------ WRAPPER FUNCTIONS
    def __getattr__(self, name):
        """Route attributes to the scope object."""
        if name.startswith("_"):
            raise AttributeError()
        try:
            return self._scope[name]
        except KeyError as ex:
            raise AttributeError() from ex

    def __setattr__(self, name, value):
        """Route attributes to the scope object."""
        if name.startswith("_"):
            super().__setattr__(name, value)
        self._scope[name] = value

    # ----------------------------------------------------- DICT WRAPPER
    def __getitem__(self, key):
        """Wrap dict method."""
        return self._scope[key]

    def __setitem__(self, key, value):
        """Wrap dict method."""
        self._scope[key] = value

    def __delitem__(self, key):
        """Wrap dict method."""
        del self._scope[key]

    def __contains__(self, item):
        """Wrap dict method."""
        return item in self._scope

    def __str__(self):
        """Wrap dict method."""
        return self._scope.__str__()

    def __repr__(self):
        """Wrap dict method."""
        return self._scope.__repr__()