Telegram/Telethon message with entities to HTML converter.
It needs message and entities fields from telethon.tl.custom.message.Message objects. Use it like this:
from html_conv import MessageToHtmlConverter
for msg in tg_client.iter_messages(invite_link):
converter = MessageToHtmlConverter(msg.message, msg.entities)
html = converter.htmlNot all MessageEntity* items are processing. You may add new one to _ENTITIES_TO_TAG dict.