def process_markdown(self,
markdown_string: str,
paragraph_style: str = "p"):
walker = Parser().parse(markdown_string).walker()
event = walker.nxt()
buf = ""
while event is not None:
node, entering = event["node"], event["entering"]
node_type = node.t
if node_type == "text":
buf += node.literal
if node_type == "softbreak":
buf += " "
if node_type == "linebreak":
buf += "<br />"
if node_type == "link":
buf += f'<a href="{escape(node.destination)}">' if entering else "</a>"
if node_type == "emph":
buf += "<em>" if entering else "</em>"
if node_type == "strong":
buf += "<strong>" if entering else "</strong>"
if node_type == "paragraph" and not entering:
style = paragraph_style
if node.parent.t == "item":
style = "ul_li" if node.parent.parent.list_data[
"type"] == "bullet" else "ol_li"
self.parts.append(Paragraph(buf, PDF_STYLES[style]))
buf = ""
event = walker.nxt()
def truncate_md(markdown_string: str, *, limit: int = 200) -> str:
walker = Parser().parse(markdown_string).walker()
event = walker.nxt()
buf = ""
while event is not None:
if event["node"].t == "text":
buf += event["node"].literal
break # this limits results to first paragraph only
event = walker.nxt()
return f"{buf[:limit]}..." if len(buf) > limit else buf