Python django.forms.widgets 模块，RadioSelect() 实例源码

def __init__(self, label_class='radio inline', *args, **kwargs):
        super(RadioSelect, self).__init__(*args, **kwargs)
        self.label_class = label_class

def get_form(self, request, obj=None, **kwargs):
        form = super(ContentAdmin, self).get_form(request, obj, **kwargs)
        form.base_fields['identifier'].widget = RadioSelect(choices=CONTENT_IDENTIFIERS)
        return form

def get_form(self, request, obj=None, **kwargs):
        form = super(ImageAdmin, self).get_form(request, obj, **kwargs)
        form.base_fields['identifier'].widget = RadioSelect(choices=IMAGE_IDENTIFIERS)
        return form

def is_radio(value):
    if not isinstance(value, BoundField):
        return False
    return isinstance(value.field.widget, RadioSelect)