mirror of
https://git.sr.ht/~tsileo/microblog.pub
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58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
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import typing
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import re
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from bleach.linkifier import Linker
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from markdown import markdown
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from utils.webfinger import get_actor_url
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from config import USERNAME, BASE_URL, ID
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from config import ACTOR_SERVICE
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from typing import List, Optional, Tuple, Dict, Any, Union, Type
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def set_attrs(attrs, new=False):
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attrs[(None, u'target')] = u'_blank'
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attrs[(None, u'class')] = u'external'
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attrs[(None, u'rel')] = u'noopener'
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attrs[(None, u'title')] = attrs[(None, u'href')]
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return attrs
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LINKER = Linker(callbacks=[set_attrs])
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HASHTAG_REGEX = re.compile(r"(#[\d\w\.]+)")
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MENTION_REGEX = re.compile(r"@[\d\w_.+-]+@[\d\w-]+\.[\d\w\-.]+")
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def hashtagify(content: str) -> Tuple[str, List[Dict[str, str]]]:
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tags = []
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for hashtag in re.findall(HASHTAG_REGEX, content):
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tag = hashtag[1:]
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link = f'<a href="{BASE_URL}/tags/{tag}" class="mention hashtag" rel="tag">#<span>{tag}</span></a>'
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tags.append(dict(href=f'{BASE_URL}/tags/{tag}', name=hashtag, type='Hashtag'))
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content = content.replace(hashtag, link)
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return content, tags
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def mentionify(content: str) -> Tuple[str, List[Dict[str, str]]]:
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tags = []
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for mention in re.findall(MENTION_REGEX, content):
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_, username, domain = mention.split('@')
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actor_url = get_actor_url(mention)
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p = ACTOR_SERVICE.get(actor_url)
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tags.append(dict(type='Mention', href=p['id'], name=mention))
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link = f'<span class="h-card"><a href="{p.url}" class="u-url mention">@<span>{username}</span></a></span>'
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content = content.replace(mention, link)
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return content, tags
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def parse_markdown(content: str) -> Tuple[str, List[Dict[str, str]]]:
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tags = []
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content = LINKER.linkify(content)
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content, hashtag_tags = hashtagify(content)
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tags.extend(hashtag_tags)
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content, mention_tags = mentionify(content)
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tags.extend(mention_tags)
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content = markdown(content)
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return content, tags
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