examples: add and update wbesocket eaxmples

examples/foundational/websocket-server/server.py

@@ -0,0 +1,65 @@
+#
+# Copyright (c) 2024, Daily
+#
+# SPDX-License-Identifier: BSD 2-Clause License
+#
+
+import aiohttp
+import asyncio
+import os
+import sys
+
+from loguru import logger
+from pipecat.frames.frames import Frame, TextFrame, TranscriptionFrame
+from pipecat.pipeline.pipeline import Pipeline
+from pipecat.pipeline.runner import PipelineRunner
+from pipecat.pipeline.task import PipelineTask
+
+from pipecat.processors.frame_processor import FrameDirection, FrameProcessor
+from pipecat.services.elevenlabs import ElevenLabsTTSService
+from pipecat.services.whisper import WhisperSTTService
+from pipecat.transports.network.websocket_server import WebsocketServerTransport
+
+logger.remove(0)
+logger.add(sys.stderr, level="DEBUG")
+
+
+class WhisperTranscriber(FrameProcessor):
+    async def process_frame(self, frame: Frame, direction: FrameDirection):
+        if isinstance(frame, TranscriptionFrame):
+            print(f"Transcribed: {frame.text}")
+        else:
+            await self.push_frame(frame, direction)
+
+
+async def main():
+    async with aiohttp.ClientSession() as session:
+        transport = WebsocketServerTransport()
+
+        tts = ElevenLabsTTSService(
+            aiohttp_session=session,
+            api_key=os.getenv("ELEVENLABS_API_KEY"),
+            voice_id=os.getenv("ELEVENLABS_VOICE_ID"),
+        )
+
+        pipeline = Pipeline([
+            transport.input(),
+            WhisperSTTService(),
+            WhisperTranscriber(),
+            tts,
+            transport.output(),
+        ])
+
+        task = PipelineTask(pipeline)
+
+        @transport.event_handler("on_client_connected")
+        async def on_client_connected(transport, client):
+            print("AAAAAAAA")
+            await task.queue_frame(TextFrame("Hello there!"))
+
+        runner = PipelineRunner()
+
+        await runner.run(task)
+
+if __name__ == "__main__":
+    asyncio.run(main())