Initial commit: Oil Trading Bot (MT5, WTI)

Headless FastAPI-Backend (server.py + core/engine.py) mit Mobile-PWA (web/), Strategie-/Backtest-Suite und Doku. Secrets, DB, Logs und Laufzeit-State sind via .gitignore ausgeschlossen; Config-Vorlage: oil_widget_config.ini.example. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-24 08:29:23 +02:00
commit 75d28827e8
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+"""
+core/market_hours.py — Börsen-Session-Status (Frankfurt / US)
+==============================================================
+Liefert den aktuellen Session-Status für die Empfehlungs-Logik, das UI und
+den KI-Agenten. Zeiten in **Berlin-Lokalzeit** (DST-sicher via zoneinfo):
+
+  DE (Frankfurt):  09:00 – 17:30
+  US (Wall St.):   15:00 – 22:00     (Overlap 15:00–17:30 = höchste Liquidität)
+
+Nutzen:
+  • "just_opened": die ersten _CAUTION_MIN nach einem Open (Whipsaw-Vorsicht)
+  • "active":      welche Sessions gerade offen sind (Liquiditäts-Bonus)
+  • "next_open":   nächster Open + Minuten bis dahin (UI-Countdown)
+"""
+from __future__ import annotations
+from datetime import datetime, time, timezone
+
+try:
+    from zoneinfo import ZoneInfo
+    _BERLIN = ZoneInfo("Europe/Berlin")
+except Exception:
+    _BERLIN = None
+
+# Sessions in Berlin-Lokalzeit (Start, Ende)
+_SESSIONS = {
+    "DE": (time(9, 0), time(17, 30)),
+    "US": (time(15, 0), time(22, 0)),
+}
+_CAUTION_MIN = 20    # erste N Min nach einem Open = volatil → Vorsicht
+
+
+def _mins(t: time) -> int:
+    return t.hour * 60 + t.minute
+
+
+def session_state(now: datetime | None = None) -> dict:
+    now = now or datetime.now(timezone.utc)
+    loc = now.astimezone(_BERLIN) if _BERLIN else now
+    is_weekend = loc.weekday() >= 5            # 5=Sa, 6=So
+    nowm = loc.hour * 60 + loc.minute
+
+    active, since, just_opened, next_open = [], {}, None, None
+    for name, (o, c) in _SESSIONS.items():
+        om, cm = _mins(o), _mins(c)
+        open_now = (not is_weekend) and (om <= nowm <= cm)
+        if open_now:
+            active.append(name)
+        if (not is_weekend) and nowm >= om:
+            since[name] = nowm - om
+            if open_now and (nowm - om) < _CAUTION_MIN:
+                just_opened = name
+        else:
+            since[name] = None
+            if (not is_weekend) and nowm < om:
+                d = om - nowm
+                if next_open is None or d < next_open["in_min"]:
+                    next_open = {"name": name, "in_min": d}
+
+    if is_weekend:
+        phase = "Wochenende"
+    elif just_opened:
+        phase = f"{just_opened}-Open frisch (volatil)"
+    elif active:
+        phase = " + ".join(active) + "-Session offen"
+    elif next_open:
+        phase = f"vor {next_open['name']}-Open"
+    else:
+        phase = "außerhalb DE/US"
+
+    return {
+        "active":         active,
+        "since_open_min": since,
+        "just_opened":    just_opened,
+        "next_open":      next_open,
+        "phase":          phase,
+        "weekend":        is_weekend,
+    }