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56 lines
1.2 KiB
Python
56 lines
1.2 KiB
Python
import re
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from html.parser import HTMLParser
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import bleach
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import markdown
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from bleach_allowlist import markdown_tags, markdown_attrs
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custom_allowed_tags = ["del", "ins"]
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def md_to_html(md: str, replacements=None) -> str:
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md = autolink(md, replacements=replacements)
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html = markdown.markdown(
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md,
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output_format="html",
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extensions=[
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"nl2br",
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]
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)
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html = bleach.clean(
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html,
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tags=markdown_tags + custom_allowed_tags,
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attributes=markdown_attrs
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)
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return html
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def autolink(md: str, replacements=None) -> str:
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if replacements is None:
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from utils.urls import name2url
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replacements = name2url()
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links = {}
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i = 0
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for name, url in replacements.items():
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regex = r"\bWORD\b".replace("WORD", name)
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placeholder = f"SOME{i}LINK"
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md = re.sub(regex, placeholder, md)
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links[placeholder] = f"[{name}]({url})"
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i += 1
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for placeholder, value in links.items():
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md = md.replace(placeholder, value)
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return md
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class HTMLFilter(HTMLParser):
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text = ""
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def handle_data(self, data):
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self.text += data
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def html_to_text(html: str) -> str:
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f = HTMLFilter()
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f.feed(html)
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return f.text
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