python-markdown-oembed/mdx_oembed/inlinepatterns.py
2022-08-16 08:18:53 +02:00

40 lines
1.1 KiB
Python

# -*- coding: utf-8 -*-
import logging
from markdown.inlinepatterns import Pattern
import oembed
LOG = logging.getLogger(__name__)
OEMBED_LINK_RE = r'\!\[([^\]]*)\]\(((?:https?:)?//[^\)]*)' \
r'(?<!png)(?<!jpg)(?<!jpeg)(?<!gif)(?<!avif)(?<!webp)\)'
class OEmbedLinkPattern(Pattern):
def __init__(self, pattern, md=None, oembed_consumer=None):
Pattern.__init__(self, pattern, md=md)
self.consumer = oembed_consumer
def handleMatch(self, match):
html = self.get_oembed_html_for_match(match)
if html is None:
return None
else:
html = "<figure class=\"oembed\">%s</figure>" % html
placeholder = self.md.htmlStash.store(html)
return placeholder
def get_oembed_html_for_match(self, match):
url = match.group(3).strip()
try:
response = self.consumer.embed(url)
except oembed.OEmbedNoEndpoint:
LOG.error("No OEmbed Endpoint")
return None
except Exception as e:
LOG.error(e)
return None
else:
return response['html']