Class MapField

mongoengine/fields.py:1087–1097

A field that maps a name to a specified field type. Similar to a DictField, except the 'value' of each item must match the specified field type.

class MapField(DictField):
    """A field that maps a name to a specified field type. Similar to
    a DictField, except the 'value' of each item must match the specified
    field type.
    """

    def __init__(self, field=None, *args, **kwargs):
        # XXX ValidationError raised outside the "validate" method.
        if not isinstance(field, BaseField):
            self.error("Argument to MapField constructor must be a valid field")
        super().__init__(field=field, *args, **kwargs)


class ReferenceField(BaseField):