02-ago: [proyecto] vigilancia - voz por edge-tts + casting a teles Google (pychromecast, enciende la tele en standby) + mensaje hablado limpio para Alexa/TVs

vigilancia/voz.py

@@ -0,0 +1,95 @@
+import asyncio
+import os
+import socket
+import threading
+from http.server import HTTPServer, SimpleHTTPRequestHandler
+
+import config
+
+MEDIA_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "voz_media")
+_server = None
+
+
+def _ip_lan():
+    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    try:
+        s.connect(("8.8.8.8", 80))
+        return s.getsockname()[0]
+    finally:
+        s.close()
+
+
+def sintetizar(texto, nombre="alerta.mp3"):
+    os.makedirs(MEDIA_DIR, exist_ok=True)
+    ruta = os.path.join(MEDIA_DIR, nombre)
+    try:
+        import edge_tts
+
+        async def _gen():
+            comunicador = edge_tts.Communicate(texto, config.VOZ_EDGE)
+            await comunicador.save(ruta)
+
+        asyncio.run(_gen())
+        return ruta
+    except Exception as e:
+        print(f"[Voz] Error sintetizando: {e}")
+        return None
+
+
+class _Handler(SimpleHTTPRequestHandler):
+    def __init__(self, *a, **kw):
+        super().__init__(*a, directory=MEDIA_DIR, **kw)
+
+    def log_message(self, *a):
+        pass
+
+
+def _arrancar_servidor():
+    global _server
+    if _server is not None:
+        return
+    try:
+        _server = HTTPServer(("0.0.0.0", config.GOOGLE_TV_PUERTO), _Handler)
+        threading.Thread(target=_server.serve_forever, daemon=True).start()
+    except Exception as e:
+        print(f"[Voz] No se pudo arrancar el servidor HTTP: {e}")
+
+
+def reproducir_en_teles(texto):
+    if not config.GOOGLE_TV_ACTIVO:
+        return
+    ruta = sintetizar(texto)
+    if ruta is None:
+        return
+    _arrancar_servidor()
+    if _server is None:
+        return
+
+    url = f"http://{_ip_lan()}:{config.GOOGLE_TV_PUERTO}/{os.path.basename(ruta)}"
+    try:
+        import pychromecast
+
+        chromecasts, browser = pychromecast.get_chromecasts(timeout=8)
+        try:
+            if config.GOOGLE_TV_NOMBRES:
+                objetivos = [c for c in chromecasts
+                             if c.cast_info.friendly_name in config.GOOGLE_TV_NOMBRES]
+            else:
+                objetivos = chromecasts
+
+            if not objetivos:
+                print("[Voz] No hay teles Google detectadas")
+                return
+
+            for c in objetivos:
+                try:
+                    c.wait(timeout=10)
+                    c.media_controller.play_media(url, "audio/mpeg", title=texto[:80])
+                    c.media_controller.block_until_active(timeout=10)
+                    print(f"[Voz] Reproduciendo en {c.cast_info.friendly_name}")
+                except Exception as e:
+                    print(f"[Voz] Error en {c.cast_info.friendly_name}: {e}")
+        finally:
+            pychromecast.discovery.stop_discovery(browser)
+    except Exception as e:
+        print(f"[Voz] Error de casting: {e}")