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utils/cache.py

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+"""
+NovaAi – TTS-Engine-Hub
+utils/cache.py
+Version: v0.0.1
+
+Description:
+  Caching utilities for TTS requests (cache key generation, etc).
+
+Author: Abby (ChatGPT)
+Date: 2025-07-23
+Canvas: utils/cache.py
+"""
+
+import hashlib
+
+# Für die API: Wichtig! req muss mindestens die Felder .text, .engine, .model, .speaker, .format, .chunking haben.
+def build_cache_key(req) -> str:
+    """
+    Build a cache key from all relevant TTS request parameters.
+    """
+    data = f"{req.text}|{req.engine}|{req.model}|{req.speaker}|{req.format}|{getattr(req, 'chunking', False)}"
+    return hashlib.sha256(data.encode()).hexdigest()