array.py 文件源码

def render(self, name, value, attrs=None):
        if self.is_localized:
            self.widget.is_localized = self.is_localized
        value = value or []
        output = []
        final_attrs = self.build_attrs(attrs)
        id_ = final_attrs.get('id')
        for i in range(max(len(value), self.size)):
            try:
                widget_value = value[i]
            except IndexError:
                widget_value = None
            if id_:
                final_attrs = dict(final_attrs, id='%s_%s' % (id_, i))
            output.append(self.widget.render(name + '_%s' % i, widget_value, final_attrs))
        return mark_safe(self.format_output(output))