def block_code(self, code, info=None):
html = '\\begin{python}\n'
if info is not None:
info = info.strip()
if info:
lang = info.split(None, 1)[0]
lang = escape_html(lang)
return html + escape(code) + '\\end{python}\n'
def image(self, src, alt="", title=None):
src = self._safe_url(src)
html = f'<img class="pure-img" src="{src}" alt="{alt}" '
if title:
title = mistune.escape_html(title)
html = f'{html} title="{title}" '
return f"{html} />"
def text(self, text):
text = escape_html(text)
text = USERNAME_RE.sub(r' <a href="/user/\1/">@\1</a>', text)
return text
def youtube(self, src, alt="", title=None):
youtube_match = YOUTUBE_RE.match(src)
youtube_id = escape_html(youtube_match.group(1) or "")
return f'<a href="{escape_html(src)}"><span class="ratio-16-9 video-preview" ' \
f'style="background-image: url(\'https://img.youtube.com/vi/{escape_html(youtube_id)}/0.jpg\');">' \
f'</span></a><br>{escape_html(title or "")}'
