Initial commit

2026-03-09 22:07:19 +01:00
commit daef092099
55 changed files with 39435 additions and 0 deletions
@@ -0,0 +1,88 @@
+import httpx
+import asyncio
+
+# NOAA Space Weather Prediction Center - free, no key
+NOAA_KP_URL    = "https://services.swpc.noaa.gov/products/noaa-planetary-k-index.json"
+NOAA_ALERTS_URL = "https://services.swpc.noaa.gov/products/alerts.json"
+NOAA_SOLAR_URL  = "https://services.swpc.noaa.gov/json/solar-cycle/observed-solar-cycle-indices.json"
+
+KP_STATUS = {
+    (0, 2):  ("QUIET",    "No significant geomagnetic activity."),
+    (2, 4):  ("UNSETTLED", "Minor geomagnetic activity."),
+    (4, 5):  ("ACTIVE",   "Active geomagnetic conditions."),
+    (5, 6):  ("STORM-G1", "Minor geomagnetic storm (G1)."),
+    (6, 7):  ("STORM-G2", "Moderate geomagnetic storm (G2). HF radio disruption possible."),
+    (7, 8):  ("STORM-G3", "Strong geomagnetic storm (G3). Possible power grid fluctuations."),
+    (8, 9):  ("STORM-G4", "Severe geomagnetic storm (G4). Widespread power disruption."),
+    (9, 10): ("STORM-G5", "Extreme geomagnetic storm (G5). Grid collapse risk."),
+}
+
+def classify_kp(kp: float) -> tuple[str, str]:
+    for (lo, hi), (status, desc) in KP_STATUS.items():
+        if lo <= kp < hi:
+            return status, desc
+    return "STORM-G5", "Extreme geomagnetic storm."
+
+
+async def fetch_space_weather() -> dict:
+    """
+    Fetches real space weather data from NOAA SWPC.
+    - Planetary K-index (geomagnetic storm indicator)
+    - Active space weather alerts
+    """
+    result = {
+        "kp_index":   0.0,
+        "status":     "UNKNOWN",
+        "description": "Awaiting space weather data...",
+        "alerts":     [],
+        "timestamp":  "",
+    }
+
+    try:
+        async with httpx.AsyncClient() as client:
+            # Fetch Kp index - returns list of [time_tag, Kp, ...]
+            kp_resp = await client.get(NOAA_KP_URL, timeout=10.0)
+            if kp_resp.status_code == 200:
+                kp_data = kp_resp.json()
+                # Skip header row [0], get latest reading from the end
+                if len(kp_data) > 1:
+                    latest = kp_data[-1]
+                    raw_kp = latest[1] if latest[1] not in ("-1", None, "") else "0"
+                    kp = float(raw_kp)
+                    status, description = classify_kp(kp)
+                    result["kp_index"]   = kp
+                    result["status"]     = status
+                    result["description"] = description
+                    result["timestamp"]  = latest[0]
+
+            # Fetch active alerts
+            alerts_resp = await client.get(NOAA_ALERTS_URL, timeout=10.0)
+            if alerts_resp.status_code == 200:
+                alerts_raw = alerts_resp.json()
+                # Filter for active, non-cancelled alerts
+                active_alerts = []
+                for alert in (alerts_raw or [])[:10]:
+                    msg = alert.get("message", "")
+                    if "CANCEL" not in msg and "SUMMARY" not in msg:
+                        # Extract first meaningful line as title
+                        lines = [l.strip() for l in msg.split("\n") if l.strip()]
+                        title = lines[0] if lines else "Space Weather Alert"
+                        active_alerts.append({
+                            "issue_time": alert.get("issue_datetime", ""),
+                            "title": title[:100],
+                        })
+                result["alerts"] = active_alerts[:5]
+
+        print(f"[SPACEWEATHER] Kp={result['kp_index']} — {result['status']} | {len(result['alerts'])} active alerts")
+
+    except Exception as e:
+        print(f"[SPACEWEATHER] Fetch error: {e}")
+        result["status"] = "OFFLINE"
+
+    return result
+
+
+if __name__ == "__main__":
+    import json
+    data = asyncio.run(fetch_space_weather())
+    print(json.dumps(data, indent=2))