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2026-05-17 10:14:14 -06:00
parent d8773b2508
commit 64b3d15b90
61 changed files with 7612 additions and 0 deletions
@@ -0,0 +1,52 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+import requests
+
+from backend.app.config import settings
+
+
+class DeepgramClient:
+    endpoint = "https://api.deepgram.com/v1/listen?model=nova-3&smart_format=true&language=es"
+
+    def transcribe_file(self, path: Path) -> dict:
+        if not settings.deepgram_api_key:
+            raise RuntimeError("DEEPGRAM_API_KEY no esta configurada")
+
+        headers = {
+            "Authorization": f"Token {settings.deepgram_api_key}",
+            "Content-Type": self._content_type(path),
+        }
+        with path.open("rb") as audio_file:
+            response = requests.post(self.endpoint, headers=headers, data=audio_file, timeout=600)
+
+        if response.status_code == 401:
+            raise RuntimeError("API Key de Deepgram invalida")
+        if not response.ok:
+            try:
+                error = response.json()
+            except ValueError:
+                error = response.text
+            raise RuntimeError(f"Deepgram error {response.status_code}: {error}")
+        return response.json()
+
+    def transcript_from_response(self, data: dict) -> tuple[str, float | None]:
+        alternative = data.get("results", {}).get("channels", [{}])[0].get("alternatives", [{}])[0]
+        transcript = alternative.get("paragraphs", {}).get("transcript") or alternative.get("transcript") or ""
+        confidence = alternative.get("confidence")
+        if not transcript.strip():
+            raise RuntimeError("Deepgram no devolvio transcripcion")
+        return transcript.strip(), confidence
+
+    def _content_type(self, path: Path) -> str:
+        ext = path.suffix.lower()
+        return {
+            ".mp3": "audio/mpeg",
+            ".wav": "audio/wav",
+            ".m4a": "audio/mp4",
+            ".mp4": "audio/mp4",
+            ".webm": "audio/webm",
+            ".ogg": "audio/ogg",
+            ".flac": "audio/flac",
+        }.get(ext, "application/octet-stream")