use uvloop as the new event loop on Linux and macOS

CHANGELOG.md

@@ -43,6 +43,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed `WebsocketClientTransport` to use `FrameProcessorSetup.task_manager`
   instead of `StartFrame.task_manager`.
 
+### Performance
+
+- Use `uvloop` as the new event loop on Linux and macOS systems.
+
 ## [0.0.68] - 2025-05-28
 
 ### Added

pyproject.toml

@@ -31,7 +31,8 @@ dependencies = [
     "pyloudnorm~=0.1.1",
     "resampy~=0.4.3",
     "soxr~=0.5.0",
-    "openai~=1.70.0"
+    "openai~=1.70.0",
+    "uvloop~=0.21.0; sys_platform!='win32'"
 ]
 
 [project.urls]

src/pipecat/__init__.py

@@ -4,10 +4,26 @@
 # SPDX-License-Identifier: BSD 2-Clause License
 #
 
+import asyncio
+import sys
 from importlib.metadata import version
 
 from loguru import logger
 
 __version__ = version("pipecat-ai")
 
-logger.info(f"ᓚᘏᗢ Pipecat {__version__} ᓚᘏᗢ")
+event_loop = "asyncio"
+
+if sys.platform in ("linux", "darwin"):
+    try:
+        import asyncio
+
+        import uvloop
+
+        event_loop = f"uvloop {uvloop.__version__}"
+        asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
+    except ImportError:
+        logger.debug(f"Couldn't find `uvloop`")
+        pass
+
+logger.info(f"ᓚᘏᗢ Pipecat {__version__} ({event_loop}; Python {sys.version}) ᓚᘏᗢ")