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feat: display published date in alert announcements

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Extract dates from multiple sources:
- SearXNG: publishedDate field from search results
- YouTube: publishedTimeText from InnerTube response
- OG fallback: article:published_time, og:updated_time, date,
  dc.date, dcterms.date, sailthru.date meta tags

Date is shown as (YYYY-MM-DD) or relative time after the tag prefix.
OG tags are fetched for date even when title/URL already matched.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
user
2026-02-15 21:30:48 +01:00
parent e36ec350f5
commit 604a0a5830
1 changed files with 53 additions and 10 deletions
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63
plugins/alert.py
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@@ -58,34 +58,52 @@ def _truncate(text: str, max_len: int = _MAX_TITLE_LEN) -> str:
return text[: max_len - 3].rstrip() + "..."
_DATE_PROPS = {
"article:published_time", "og:article:published_time",
"og:updated_time", "date", "dc.date", "dcterms.date",
"sailthru.date",
}
class _OGParser(HTMLParser):
"""Extract og:title and og:description from <meta> tags."""
"""Extract og:title, og:description, and published date from <meta> tags."""
def __init__(self):
super().__init__()
self.og_title = ""
self.og_description = ""
self.published = ""
def handle_starttag(self, tag: str, attrs: list[tuple[str, str | None]]) -> None:
if tag != "meta":
return
attr_map = {k.lower(): (v or "") for k, v in attrs}
prop = attr_map.get("property", "")
prop = attr_map.get("property", "").lower()
name = attr_map.get("name", "").lower()
content = attr_map.get("content", "")
if prop == "og:title":
self.og_title = content
elif prop == "og:description":
self.og_description = content
if not self.published and content:
if prop in _DATE_PROPS or name in _DATE_PROPS:
self.published = content
_OG_TIMEOUT = 10
_OG_MAX_BYTES = 64 * 1024 # Only read first 64 KB (OG tags are in <head>)
def _fetch_og(url: str) -> tuple[str, str]:
"""Fetch og:title and og:description from a URL. Blocking.
def _parse_date(raw: str) -> str:
"""Try to extract a YYYY-MM-DD date from a raw date string."""
m = re.search(r"\d{4}-\d{2}-\d{2}", raw)
return m.group(0) if m else ""
Returns (og_title, og_description). Empty strings on failure.
def _fetch_og(url: str) -> tuple[str, str, str]:
"""Fetch og:title, og:description, and published date from a URL.
Returns (og_title, og_description, date). Empty strings on failure.
"""
try:
req = urllib.request.Request(url, method="GET")
@@ -96,10 +114,11 @@ def _fetch_og(url: str) -> tuple[str, str]:
html = raw.decode("utf-8", errors="replace")
parser = _OGParser()
parser.feed(html)
return parser.og_title, parser.og_description
date = _parse_date(parser.published)
return parser.og_title, parser.og_description, date
except Exception as exc:
_log.debug("og fetch failed for %s: %s", url, exc)
return "", ""
return "", "", ""
# -- YouTube InnerTube search (blocking) ------------------------------------
@@ -125,10 +144,18 @@ def _extract_videos(obj: object, depth: int = 0) -> list[dict]:
else:
title = ""
if title:
# Extract relative publish time (e.g. "2 days ago")
pub_obj = obj.get("publishedTimeText")
date = ""
if isinstance(pub_obj, dict):
date = pub_obj.get("simpleText", "")
elif isinstance(pub_obj, str):
date = pub_obj
results.append({
"id": video_id,
"title": title,
"url": f"https://www.youtube.com/watch?v={video_id}",
"date": date,
"extra": "",
})
for val in obj.values():
@@ -220,6 +247,7 @@ def _search_twitch(keyword: str) -> list[dict]:
"id": f"stream:{stream_id}",
"title": line,
"url": f"https://twitch.tv/{login}",
"date": "",
"extra": "",
})
@@ -234,6 +262,7 @@ def _search_twitch(keyword: str) -> list[dict]:
"id": f"vod:{vod_id}",
"title": title,
"url": f"https://twitch.tv/videos/{vod_id}",
"date": "",
"extra": "",
})
@@ -259,10 +288,12 @@ def _search_searx(keyword: str) -> list[dict]:
for item in data.get("results", []):
item_url = item.get("url", "")
title = item.get("title", "")
date = _parse_date(item.get("publishedDate", ""))
results.append({
"id": item_url,
"title": title,
"url": item_url,
"date": date,
"extra": "",
})
return results
@@ -338,19 +369,27 @@ async def _poll_once(bot, key: str, announce: bool = True) -> None:
title_l = item.get("title", "").lower()
url_l = item.get("url", "").lower()
if kw_lower in title_l or kw_lower in url_l:
# Fetch OG tags for date if backend didn't provide one
if not item.get("date") and item.get("url"):
_, _, og_date = await loop.run_in_executor(
None, _fetch_og, item["url"],
)
if og_date:
item["date"] = og_date
matched.append(item)
continue
# Fetch OG tags for items that didn't match on title/URL
item_url = item.get("url", "")
if item_url:
og_title, og_desc = await loop.run_in_executor(
og_title, og_desc, og_date = await loop.run_in_executor(
None, _fetch_og, item_url,
)
if (kw_lower in og_title.lower()
or kw_lower in og_desc.lower()):
# Use og:title as display title if richer
if og_title and len(og_title) > len(item.get("title", "")):
item["title"] = og_title
if og_date and not item.get("date"):
item["date"] = og_date
matched.append(item)
if announce and matched:
@@ -360,7 +399,11 @@ async def _poll_once(bot, key: str, announce: bool = True) -> None:
for item in shown:
title = _truncate(item["title"]) if item["title"] else "(no title)"
url = item["url"]
line = f"[{name}/{tag}] {title}"
date = item.get("date", "")
line = f"[{name}/{tag}]"
if date:
line += f" ({date})"
line += f" {title}"
if url:
line += f" -- {url}"
await bot.send(channel, line)