scaffolded PySwiss microservice: Django 6.0 project at pyswiss/ (core/ settings, apps/charts/), GET /api/chart/ + GET /api/charts/ views, EphemerisSnapshot model + migration, populate_ephemeris management command, 41 ITs (integrated + unit, all green); separate .venv with pyswisseph 2.10.3.2

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

pyswiss/apps/charts/views.py

@@ -0,0 +1,110 @@
+from datetime import datetime, timezone
+
+from django.http import HttpResponse, JsonResponse
+
+import swisseph as swe
+
+from .calc import (
+    DEFAULT_HOUSE_SYSTEM,
+    get_element_counts,
+    get_julian_day,
+    get_planet_positions,
+    set_ephe_path,
+)
+from .models import EphemerisSnapshot
+
+
+def chart(request):
+    dt_str = request.GET.get('dt')
+    lat_str = request.GET.get('lat')
+    lon_str = request.GET.get('lon')
+
+    if not dt_str or lat_str is None or lon_str is None:
+        return HttpResponse(status=400)
+
+    try:
+        dt = datetime.fromisoformat(dt_str.replace('Z', '+00:00'))
+    except ValueError:
+        return HttpResponse(status=400)
+
+    try:
+        lat = float(lat_str)
+        lon = float(lon_str)
+    except ValueError:
+        return HttpResponse(status=400)
+
+    if not (-90 <= lat <= 90):
+        return HttpResponse(status=400)
+
+    house_system_param = request.GET.get('house_system')
+    if house_system_param is not None:
+        if not (hasattr(request, 'user') and request.user.is_authenticated
+                and request.user.is_superuser):
+            return HttpResponse(status=403)
+        house_system = house_system_param
+    else:
+        house_system = DEFAULT_HOUSE_SYSTEM
+
+    set_ephe_path()
+
+    jd = get_julian_day(dt)
+    planets = get_planet_positions(jd)
+
+    cusps, ascmc = swe.houses(jd, lat, lon, house_system.encode())
+    houses = {
+        'cusps': list(cusps),
+        'asc': ascmc[0],
+        'mc': ascmc[1],
+    }
+
+    return JsonResponse({
+        'planets': planets,
+        'houses': houses,
+        'elements': get_element_counts(planets),
+        'house_system': house_system,
+    })
+
+
+def charts_list(request):
+    date_from_str = request.GET.get('date_from')
+    date_to_str = request.GET.get('date_to')
+
+    if not date_from_str or not date_to_str:
+        return HttpResponse(status=400)
+
+    try:
+        date_from = datetime.strptime(date_from_str, '%Y-%m-%d').replace(
+            tzinfo=timezone.utc)
+        date_to = datetime.strptime(date_to_str, '%Y-%m-%d').replace(
+            hour=23, minute=59, second=59, tzinfo=timezone.utc)
+    except ValueError:
+        return HttpResponse(status=400)
+
+    if date_to < date_from:
+        return HttpResponse(status=400)
+
+    qs = EphemerisSnapshot.objects.filter(dt__gte=date_from, dt__lte=date_to)
+
+    element_fields = {
+        'fire_min': 'fire', 'water_min': 'water',
+        'earth_min': 'earth', 'air_min': 'air',
+        'time_min': 'time_el', 'space_min': 'space_el',
+    }
+    for param, field in element_fields.items():
+        value = request.GET.get(param)
+        if value is not None:
+            try:
+                qs = qs.filter(**{f'{field}__gte': int(value)})
+            except ValueError:
+                return HttpResponse(status=400)
+
+    results = [
+        {
+            'dt': snap.dt.isoformat(),
+            'elements': snap.elements_dict(),
+            'planets': snap.chart_data.get('planets', {}),
+        }
+        for snap in qs
+    ]
+
+    return JsonResponse({'results': results, 'count': len(results)})