def stylesheet_filter_func(tag: bs4.element.Tag) -> bool:
"""
Filter function for stylesheet tags only
"""
if tag.has_attr("rel"):
is_css = "stylesheet" in tag.get("rel")
enabled = not tag.has_attr("disabled")
if is_css and enabled:
return True
return False
def _render_code(code_elem: bs4.element.Tag) -> str:
"""Render custom <x-code> element into an HTML string."""
language = code_elem['language'] if code_elem.has_attr(
'language') else None
contents = code_elem.contents[0]
try:
# Use `TextLexer` as default if no language specified
lexer = get_lexer_by_name(language if language else 'text')
except pygments.util.ClassNotFound:
raise ValueError(
f'Invalid "language" parameter in <x-code> element {language}')
# TODO: COULD PROVIDE A GLOBAL SETTING FOR THE 'STYLE' TO USE (see https://pygments.org/styles/)
# https://pygments.org/docs/formatters/#HtmlFormatter
formatter = HtmlFormatter(noclasses=True)
return pygments.highlight(contents.strip(), lexer, formatter)
def _parse_link(el: bs4.element.Tag) -> Link:
onclick = el.get('onclick') if el.has_attr('onclick') else None
return Link(text=el.text, href=None, onclick=onclick)
def meets_condition(self, tag: bs4.element.Tag):
return tag.has_attr(self.kwargs['condition'])
