Load test of 1000 players on the server: CPU is the ceiling (~135 req/s); player-simulation tools

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tools/loadtest/mkplayers.py

@@ -0,0 +1,31 @@
+# manage.py shell -c "exec(open('tools/loadtest/mkplayers.py').read())"   env: LT_N, LT_PREFIX
+# Test players: fake 0900... phones, an active subscription (no paywall, unlimited hearts), a token,
+# and for each one island of its grade with that island's questions and option ids.
+import json, os, random
+from datetime import timedelta
+from django.utils import timezone
+from accounts.authentication import issue_access_token
+from accounts.models import User
+from content.models import Node, Question
+from subscription.models import Subscription
+
+N = int(os.environ['LT_N']); PREFIX = os.environ['LT_PREFIX']
+rnd = random.Random(11)
+GRADES = [8, 9, 10, 11, 12, 4, 5, 6, 7, 3]
+pool = {}
+for g in GRADES:
+    nodes = []
+    for node in Node.objects.filter(unit__grade_id=g).order_by('?')[:40]:
+        qs = list(Question.objects.filter(lesson__node=node).prefetch_related('choices')[:6])
+        if len(qs) >= 4:
+            nodes.append({'nodeId': node.id, 'lessonId': qs[0].lesson_id,
+                          'questions': [{'id': q.id, 'options': [c.id for c in q.choices.all()]} for q in qs]})
+    pool[g] = nodes
+out = []
+exp = timezone.now() + timedelta(days=1)
+for i in range(N):
+    g = GRADES[i % len(GRADES)]
+    u, _ = User.objects.get_or_create(phone=f'{PREFIX}{i:04d}', defaults={'name': f'تست بار {i}', 'grade_id': g})
+    Subscription.objects.update_or_create(user_id=u.id, defaults={'status': 'active', 'expires_at': exp})
+    out.append({'userId': u.id, 'token': issue_access_token(u.id), 'grade': g, **rnd.choice(pool[g])})
+print('LTJSON' + json.dumps(out))