43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
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from telegram.ext import RegexHandler
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from .rendering import get_png
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from .static import static_content
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def handle_exception_in_get_png(bot, update, exception, text):
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update.message.reply_text("**Error** while processing '__{}__'.\n\nException was: **{}**.".format(text, exception), parse_mode = "Markdown")
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def render_math(bot, update):
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text = update.message.text[len("/rmath"):]
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tex = "${}$".format(text)
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try:
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png = get_png(tex)
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except Exception as e:
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handle_exception_in_get_png(bot, update, e, tex)
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return
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update.message.reply_photo(png, caption = "{}".format(text))
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def render_math_caption(bot, update):
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text = update.message.text[len("/rmath"):]
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if( not ("<" in text and ">" in text)):
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update.message.reply_text("**Error**: missing caption seperators: < and >", parse_mode = "Markdown")
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return
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caption = text[text.index("<") + 1:text.index(">")]
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text = text[text.index(">") + 1:]
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tex = "${}$".format(text)
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try:
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png = get_png(tex)
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except Exception as e:
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handle_exception_in_get_png(bot, update, e, tex)
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return
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update.message.reply_photo(png, caption = "{}\n\nLaTeX: {}".format(caption, text))
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def help(bot, update):
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update.message.reply_text(static_content.help_text, parse_mode = "Markdown")
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