Show one2many field records as radio button in odoo wizard, Convert one2many field into selection field | Odoo, Use radio widget in one2many field | Odoo, Set default value of selection field using context | Odoo, Fill selection field using context | Odoo, Mapping one2many field into selection field | Odoo

radio_button_widget.py

class wizard_model_name(models.TransientModel):
    _name = 'wizard.model.name'

    @api.multi
    def _get_one2many_records(self):        
        lst = []
        if self.env.context.get('option_data') !=  None:
            one2many_record_obj = self.env['one2many.model.name'].search([('id','in',self.env.context.get('your_context_variable'))])        
            for data in one2many_record_obj:
                lst.append((data.key, data.value))
        return lst    
    selection_field_name = fields.Selection(_get_one2many_records, string="Selection")
	
	
    @api.multi
    def button_event(self):        
        view_id_form = self.env['ir.ui.view'].search([('name','=',"wizard.model.form.name")])        

        ctx = {
            'your_context_variable':one2many_field.ids
        }
        return { 
            'type': 'ir.actions.act_window',
            'res_model': 'wizard.model.name',
            'view_type': 'form',
            'view_mode': 'form',
            'target': 'inline',
            'view_id': view_id_form.id,
            'auto_refresh':1,
            'context':ctx           
        }

For Details: https://learnopenerp.blogspot.com/2020/05/show-one2many-field-records-as-radio-button-in-odoo-wizard.html