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"""
Creates a <span> that contains a checkbox with a label that has a content and another that is a number of rectangle
characters (▉) equal to the content. A clickable spoiler/hidden text can be made with these when correctly styled.
Usage:
||unique_id||content||
"""
from html import unescape
from marko import inline
from marko.helpers import MarkoExtension
class SpoilerElement(inline.InlineElement):
pattern = '\\|\\|(.*)\\|\\|(.*)\\|\\|'
parse_children = True
parse_group = 2
priority = 7
def __init__(self, match):
self.id = match.group(1)
self.children = match.group(2)
class SpoilerRenderer:
def render_spoiler_element(self, element: SpoilerElement):
content = self.render_children(element)
return f'<span><input type="checkbox" class="spoiler" id="{element.id}"><label class="spoiler-on" for="{element.id}"><span>{"".join(["▉" if char != " " else " " for char in unescape(content)])}</span></label><label class="spoiler-off" for="{element.id}"><span>{content}</span></label></span>'
Spoiler = MarkoExtension(
elements=[SpoilerElement],
renderer_mixins=[SpoilerRenderer]
)
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