Method check

scripts/fetch_updates.py:2070–2118

(self, source_id: str, source: dict)

        self.seed_mode = seed_mode

    def check(self, source_id: str, source: dict) -> Optional[dict]:
        url = source["url"]
        prev = self.state.get(source_id, {})
        prev_titles = set(prev.get("seen_titles", []))

        try:
            resp = self.session.get(url, timeout=30)
            resp.raise_for_status()
        except Exception as e:
            print(f"    ERROR PMDA: {e}")
            return None

        entries = self._parse_table_page(resp.text, url)
        if not entries:
            print(f"    WARNING: No entries from PMDA page ({url})")
            return None

        print(f"    INFO: Parsed {len(entries)} entries from PMDA page")

        new_items = []
        all_titles = list(prev_titles)

        for entry in entries:
            title = entry.get("title", "")
            if not title or title in prev_titles:
                continue
            all_titles.append(title)
            new_items.append(entry)

        self.state[source_id] = {
            "url": url,
            "last_checked": datetime.now().isoformat(),
            "seen_titles": all_titles[-300:],
        }

        if new_items and (prev_titles or self.seed_mode):
            if self.seed_mode and not prev_titles:
                new_items = new_items[:10]
                print(f"    INFO: Seed mode -- returning top {len(new_items)} entries as initial news")
            result = _make_update(
                source_id, source, "pmda_page",
                f"{len(new_items)} new PMDA update(s) detected"
            )
            result["new_items"] = new_items
            return result
        elif not prev_titles:
            print(f"    INFO: Baseline established ({len(entries)} PMDA entries)")

        return None

    def _parse_table_page(self, html: str, base_url: str) -> list[dict]:
        """Parse PMDA table-based pages (safety info, precautions, alerts)."""