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helper/mdx_urlize

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This commit is contained in:
Tobias Lindenberg 2021-01-10 13:46:53 +01:00
parent 8b1bd3c555
commit 26aa0207aa
1 changed files with 14 additions and 7 deletions
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21
cookbook/helper/mdx_urlize.py
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@ -1,4 +1,5 @@
"""A more liberal autolinker """
A more liberal autolinker
Inspired by Django's urlize function. Inspired by Django's urlize function.
@ -45,27 +46,30 @@ URLIZE_RE = '(%s)' % '|'.join([
r'[^(<\s]+\.(?:com|net|org)\b', r'[^(<\s]+\.(?:com|net|org)\b',
]) ])
class UrlizePattern(markdown.inlinepatterns.Pattern): class UrlizePattern(markdown.inlinepatterns.Pattern):
""" Return a link Element given an autolink (`http://example/com`). """ """ Return a link Element given an autolink (`http://example/com`). """
def handleMatch(self, m): def handleMatch(self, m):
url = m.group(2) url = m.group(2)
if url.startswith('<'): if url.startswith('<'):
url = url[1:-1] url = url[1:-1]
text = url text = url
if not url.split('://')[0] in ('http','https','ftp'): if not url.split('://')[0] in ('http', 'https', 'ftp'):
if '@' in url and not '/' in url: if '@' in url and '/' not in url:
url = 'mailto:' + url url = 'mailto:' + url
else: else:
url = 'http://' + url url = 'http://' + url
el = markdown.util.etree.Element("a") el = markdown.util.etree.Element("a")
el.set('href', url) el.set('href', url)
el.text = markdown.util.AtomicString(text) el.text = markdown.util.AtomicString(text)
return el return el
class UrlizeExtension(markdown.Extension): class UrlizeExtension(markdown.Extension):
""" Urlize Extension for Python-Markdown. """ """ Urlize Extension for Python-Markdown. """
@ -73,9 +77,12 @@ class UrlizeExtension(markdown.Extension):
""" Replace autolink with UrlizePattern """ """ Replace autolink with UrlizePattern """
md.inlinePatterns['autolink'] = UrlizePattern(URLIZE_RE, md) md.inlinePatterns['autolink'] = UrlizePattern(URLIZE_RE, md)
def makeExtension(*args, **kwargs): def makeExtension(*args, **kwargs):
return UrlizeExtension(*args, **kwargs) return UrlizeExtension(*args, **kwargs)
if __name__ == "__main__": if __name__ == "__main__":
import doctest import doctest
doctest.testmod() doctest.testmod()