import bbcode

# init parser
parser = bbcode.Parser()
parser.add_simple_formatter('hr', '<hr />', standalone=True)
parser.add_simple_formatter('hl', '<mark>%(value)s</mark>')
parser.add_simple_formatter('sub', '<sub>%(value)s</sub>')
parser.add_simple_formatter('sup', '<sup>%(value)s</sup>')
parser.add_simple_formatter(
    'iframe', '<iframe src="%(value)s">IFrame tag</iframe>')
parser.add_simple_formatter(
    'showhide', '--- 隐藏内容 ---<br />%(value)s<br /> ----------------')


def render_color(tag_name, value, options, parent, context):
    colors = "#0099ff"
    if 'color' in options:
        colors = options['color']
    return f'<span style="color:{colors};">{value}</span>'


def render_bgcolor(tag_name, value, options, parent, context):
    colors = "#0099ff"
    if 'bgcolor' in options:
        colors = options['bgcolor']
    return f'<span style="background-color:{colors};">{value}</span>'


def render_size(tag_name, value, options, parent, context):
    if 'size' in options:
        sizes = options['size']
    else:
        return value
    return f'<span style="font-size:{sizes};">{value}</span>'


parser.add_formatter("color", render_color)
parser.add_formatter("bgcolor", render_bgcolor)
parser.add_formatter("size", render_size)