def convert_dict_to_node(self, qdict):
        accum = []
        joins = []
        relationship = (ForeignKeyField, ReverseRelationDescriptor)
        for key, value in sorted(qdict.items()):
            curr = self.model_class
            if '__' in key and key.rsplit('__', 1)[1] in DJANGO_MAP:
                key, op = key.rsplit('__', 1)
                op = DJANGO_MAP[op]
            else:
                op = OP.EQ
            for piece in key.split('__'):
                model_attr = getattr(curr, piece)
                if isinstance(model_attr, relationship):
                    curr = model_attr.rel_model
                    joins.append(model_attr)
            accum.append(Expression(model_attr, op, value))
        return accum, joins
dataset/ETHPy150Open coleifer/peewee/peewee.py/Query.convert_dict_to_node/original