def create_buttons(*buttons):
    radio_fields = []
    for button_name, button_choices in buttons:
        field = RadioField(button_name, choices=button_choices)
        radio_fields.append(field)
    return radio_fields


buttons_data = [
    # (button_name, button_choices)
    ('button1', [('name1', 'val'), ('name2', 'val')]),
    ('button2', [('name1', 'val'), ('name2', 'val')]),
    ('button3', [('name1', 'val'), ('name2', 'val')]),

]

buttons = create_buttons(buttons_data)