абузы: free-панели new-api на вкладке (роут /api/panels + грид), CSS вынесен из JS, панельный классификатор даёт freeapi-вес, тесты

omni/dates.py

@@ -0,0 +1,33 @@
+"""Publication dates from RSS/Atom/APIs, normalized to aware UTC datetimes."""
+from datetime import datetime, timezone
+from email.utils import parsedate_to_datetime
+import re
+
+
+def parse_published(value):
+    """Accept Unix seconds/milliseconds, ISO 8601 or RFC 2822; invalid -> None.
+
+    Dates without a timezone are interpreted as UTC, not the host's local zone.
+    """
+    if value is None or not str(value).strip():
+        return None
+    text = str(value).strip()
+    try:
+        if re.fullmatch(r"\d{4}", text):
+            return None  # A bare year is not a Unix timestamp.
+        if re.fullmatch(r"\d{8}", text):
+            return datetime.strptime(text, "%Y%m%d").replace(tzinfo=timezone.utc)
+        if re.fullmatch(r"-?\d+(?:\.\d+)?", text):
+            stamp = float(text)
+            if abs(stamp) >= 10**12:
+                stamp /= 1000
+            return datetime.fromtimestamp(stamp, timezone.utc)
+        try:
+            dt = datetime.fromisoformat(text.replace("Z", "+00:00"))
+        except ValueError:
+            dt = parsedate_to_datetime(text)
+        if dt.tzinfo is None:
+            dt = dt.replace(tzinfo=timezone.utc)
+        return dt.astimezone(timezone.utc)
+    except (ValueError, TypeError, OverflowError, OSError):
+        return None