added api for ai; got backend working

backend/diarization.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+"""
+Speaker diarization using pyannote.audio.
+"""
+
+import json
+import sys
+from pathlib import Path
+
+# Add backend to path
+sys.path.insert(0, str(Path(__file__).parent))
+
+from services.diarization import diarize_and_label
+
+
+def main():
+    if len(sys.argv) < 2:
+        print("Usage: python diarization.py <command> [args...]", file=sys.stderr)
+        sys.exit(1)
+
+    command = sys.argv[1]
+
+    try:
+        if command == "diarize_and_label":
+            if len(sys.argv) < 4:
+                print("Usage: python diarization.py diarize_and_label <transcription_result_json> <audio_path> [hf_token] [num_speakers] [use_gpu]", file=sys.stderr)
+                sys.exit(1)
+            transcription_result = json.loads(sys.argv[2])
+            audio_path = sys.argv[3]
+            hf_token = sys.argv[4] if len(sys.argv) > 4 else None
+            num_speakers = int(sys.argv[5]) if len(sys.argv) > 5 and sys.argv[5] != "null" else None
+            use_gpu = sys.argv[6].lower() == "true" if len(sys.argv) > 6 else True
+
+            result = diarize_and_label(transcription_result, audio_path, hf_token, num_speakers, use_gpu)
+            print(json.dumps(result))
+
+        else:
+            print(f"Unknown command: {command}", file=sys.stderr)
+            sys.exit(1)
+
+    except Exception as e:
+        print(json.dumps({"error": str(e)}), file=sys.stderr)
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()