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#!/usr/bin/python3
import re
import sys
import bleach
import markdown
import aurweb.db
class LinkifyPreprocessor(markdown.preprocessors.Preprocessor):
_urlre = re.compile(r'(\b(?:https?|ftp):\/\/[\w\/\#~:.?+=&%@!\-;,]+?'
r'(?=[.:?\-;,]*(?:[^\w\/\#~:.?+=&%@!\-;,]|$)))')
def run(self, lines):
return [self._urlre.sub(r'<\1>', line) for line in lines]
class LinkifyExtension(markdown.extensions.Extension):
def extendMarkdown(self, md, md_globals):
md.preprocessors.add('linkify', LinkifyPreprocessor(md), '_end')
def get_comment(conn, commentid):
cur = conn.execute('SELECT Comments FROM PackageComments WHERE ID = ?',
[commentid])
return cur.fetchone()[0]
def save_rendered_comment(conn, commentid, html):
conn.execute('UPDATE PackageComments SET RenderedComment = ? WHERE ID = ?',
[html, commentid])
def main():
commentid = int(sys.argv[1])
conn = aurweb.db.Connection()
text = get_comment(conn, commentid)
html = markdown.markdown(text, extensions=['nl2br', LinkifyExtension()])
allowed_tags = bleach.sanitizer.ALLOWED_TAGS + ['p', 'br']
html = bleach.clean(html, tags=allowed_tags)
save_rendered_comment(conn, commentid, html)
conn.commit()
conn.close()
if __name__ == '__main__':
main()
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