From e395c0647bcd267e15a9f1523a824a091e4287a1 Mon Sep 17 00:00:00 2001 From: David Zhao Date: Fri, 10 Nov 2023 22:02:30 -0800 Subject: [PATCH] Improve API ergonomics, updated examples and readme (#91) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: ThΓ©o Monnom --- README.md | 80 ++++++++++++----- examples/basic_room.py | 20 ++++- examples/face_landmark/face_landmark.py | 59 +++++++------ examples/publish_hue.py | 62 ++++++++----- examples/publish_wave.py | 56 +++++++----- examples/whisper/whisper.py | 111 +++++++++++++----------- livekit-api/README.md | 3 + livekit-api/livekit/api/__init__.py | 9 +- livekit-api/livekit/api/access_token.py | 9 +- livekit-api/livekit/api/room_service.py | 4 +- livekit-api/livekit/api/version.py | 2 +- livekit-rtc/README.md | 4 +- 12 files changed, 262 insertions(+), 157 deletions(-) diff --git a/README.md b/README.md index 319ffe60..24ef0a9f 100644 --- a/README.md +++ b/README.md @@ -8,25 +8,72 @@ [![pypi-v](https://img.shields.io/pypi/v/livekit.svg)](https://pypi.org/project/livekit/) -# πŸ“ΉπŸŽ™οΈπŸ Python Client SDK for LiveKit +# πŸ“ΉπŸŽ™οΈπŸ Python SDK for LiveKit -The Livekit Python Client provides a convenient interface for integrating Livekit's real-time video and audio capabilities into your Python applications. With this library, developers can easily leverage Livekit's WebRTC functionalities, allowing them to focus on building their AI models or other application logic without worrying about the complexities of WebRTC. + -Official LiveKit documentation: https://docs.livekit.io/ +The LiveKit Python SDK provides a convenient interface for integrating LiveKit's real-time video and audio capabilities into your Python applications. With it, developers can easily leverage LiveKit's WebRTC functionalities, allowing them to focus on building their AI models or other application logic without worrying about the complexities of WebRTC. -## Installation + + +This repo contains two packages + +- [livekit](https://pypi.org/project/livekit/): Real-time SDK for connecting to LiveKit as a participant +- [livekit-api](https://pypi.org/project/livekit-api/): Access token generation and server APIs + +## Using Server API -RTC Client: ```shell -$ pip install livekit +$ pip install livekit-api +``` + +### Generating an access token + +```python +from livekit import api +import os + +token = api.AccessToken(os.getenv('LIVEKIT_API_KEY'), os.getenv('LIVEKIT_API_SECRET')) \ + .with_identity("python-bot") \ + .with_name("Python Bot") \ + .with_grants(api.VideoGrants( + room_join=True, + room="my-room", + )).to_jwt() ``` -API / Server SDK: +### Creating a room + +RoomService uses asyncio and aiohttp to make API calls. It needs to be used with an event loop. + +```python +from livekit import api +import asyncio + +async def main(): + room_service = api.RoomService( + 'http://localhost:7880', + 'devkey', + 'secret', + ) + room_info = await room_service.create_room( + api.room.CreateRoomRequest(name="my-room"), + ) + print(room_info) + results = await room_service.list_rooms(api.room.ListRoomsRequest()) + print(results) + await room_service.aclose() + +asyncio.get_event_loop().run_until_complete(main()) +``` + +## Using Real-time SDK + ```shell -$ pip install livekit-api +$ pip install livekit ``` -## Connecting to a room +### Connecting to a room ```python from livekit import rtc @@ -64,21 +111,6 @@ async def main(): print("track publication: %s", publication.sid) ``` -## Create a new access token - -```python -from livekit import api - -token = api.AccessToken("API_KEY", "SECRET_KEY") -token = AccessToken() -jwt = ( - token.with_identity("user1") - .with_name("user1") - .with_grants(VideoGrants(room_join=True, room="room1")) - .to_jwt() -) -``` - ## Examples - [Facelandmark](https://github.com/livekit/client-sdk-python/tree/main/examples/face_landmark): Use mediapipe to detect face landmarks (eyes, nose ...) diff --git a/examples/basic_room.py b/examples/basic_room.py index 3859f755..f1bee7ea 100644 --- a/examples/basic_room.py +++ b/examples/basic_room.py @@ -2,11 +2,11 @@ import logging from signal import SIGINT, SIGTERM from typing import Union +import os -from livekit import rtc +from livekit import api, rtc -URL = "ws://localhost:7880" -TOKEN = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE5MDY2MTMyODgsImlzcyI6IkFQSVRzRWZpZFpqclFvWSIsIm5hbWUiOiJuYXRpdmUiLCJuYmYiOjE2NzI2MTMyODgsInN1YiI6Im5hdGl2ZSIsInZpZGVvIjp7InJvb20iOiJ0ZXN0Iiwicm9vbUFkbWluIjp0cnVlLCJyb29tQ3JlYXRlIjp0cnVlLCJyb29tSm9pbiI6dHJ1ZSwicm9vbUxpc3QiOnRydWV9fQ.uSNIangMRu8jZD5mnRYoCHjcsQWCrJXgHCs0aNIgBFY" # noqa +# ensure LIVEKIT_URL, LIVEKIT_API_KEY, and LIVEKIT_API_SECRET are set async def main(room: rtc.Room) -> None: @@ -127,7 +127,19 @@ def on_reconnecting() -> None: def on_reconnected() -> None: logging.info("reconnected") - await room.connect(URL, TOKEN) + token = ( + api.AccessToken() + .with_identity("python-bot") + .with_name("Python Bot") + .with_grants( + api.VideoGrants( + room_join=True, + room="my-room", + ) + ) + .to_jwt() + ) + await room.connect(os.getenv("LIVEKIT_URL"), token) logging.info("connected to room %s", room.name) logging.info("participants: %s", room.participants) diff --git a/examples/face_landmark/face_landmark.py b/examples/face_landmark/face_landmark.py index 4a209e74..72589897 100644 --- a/examples/face_landmark/face_landmark.py +++ b/examples/face_landmark/face_landmark.py @@ -9,10 +9,9 @@ from mediapipe import solutions from mediapipe.framework.formats import landmark_pb2 -from livekit import rtc +from livekit import api, rtc -URL = "ws://localhost:7880" -TOKEN = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE5MDY2MTMyODgsImlzcyI6IkFQSVRzRWZpZFpqclFvWSIsIm5hbWUiOiJuYXRpdmUiLCJuYmYiOjE2NzI2MTMyODgsInN1YiI6Im5hdGl2ZSIsInZpZGVvIjp7InJvb20iOiJ0ZXN0Iiwicm9vbUFkbWluIjp0cnVlLCJyb29tQ3JlYXRlIjp0cnVlLCJyb29tSm9pbiI6dHJ1ZSwicm9vbUxpc3QiOnRydWV9fQ.uSNIangMRu8jZD5mnRYoCHjcsQWCrJXgHCs0aNIgBFY" # noqa +# ensure LIVEKIT_URL, LIVEKIT_API_KEY, and LIVEKIT_API_SECRET are set tasks = set() @@ -30,10 +29,41 @@ running_mode=VisionRunningMode.VIDEO, ) -# from https://github.com/googlesamples/mediapipe/blob/main/examples/face_landmarker/python/%5BMediaPipe_Python_Tasks%5D_Face_Landmarker.ipynb + +async def main(room: rtc.Room) -> None: + video_stream = None + + @room.on("track_subscribed") + def on_track_subscribed(track: rtc.Track, *_): + if track.kind == rtc.TrackKind.KIND_VIDEO: + nonlocal video_stream + if video_stream is not None: + # only process the first stream received + return + + print("subscribed to track: " + track.name) + video_stream = rtc.VideoStream(track) + task = asyncio.create_task(frame_loop(video_stream)) + tasks.add(task) + task.add_done_callback(tasks.remove) + + token = ( + api.AccessToken() + .with_identity("python-bot") + .with_name("Python Bot") + .with_grants( + api.VideoGrants( + room_join=True, + room="my-room", + ) + ) + ) + await room.connect(os.getenv("LIVEKIT_URL"), token.to_jwt()) + print("connected to room: " + room.name) def draw_landmarks_on_image(rgb_image, detection_result): + # from https://github.com/googlesamples/mediapipe/blob/main/examples/face_landmarker/python/%5BMediaPipe_Python_Tasks%5D_Face_Landmarker.ipynb face_landmarks_list = detection_result.face_landmarks # Loop through the detected faces to visualize. @@ -111,27 +141,6 @@ async def frame_loop(video_stream: rtc.VideoStream) -> None: cv2.destroyAllWindows() -async def main(room: rtc.Room) -> None: - video_stream = None - - @room.on("track_subscribed") - def on_track_subscribed(track: rtc.Track, *_): - if track.kind == rtc.TrackKind.KIND_VIDEO: - nonlocal video_stream - if video_stream is not None: - # only process the first stream received - return - - print("subscribed to track: " + track.name) - video_stream = rtc.VideoStream(track) - task = asyncio.create_task(frame_loop(video_stream)) - tasks.add(task) - task.add_done_callback(tasks.remove) - - await room.connect(URL, TOKEN) - print("connected to room: " + room.name) - - if __name__ == "__main__": logging.basicConfig( level=logging.INFO, diff --git a/examples/publish_hue.py b/examples/publish_hue.py index abc313ca..3899c309 100644 --- a/examples/publish_hue.py +++ b/examples/publish_hue.py @@ -1,17 +1,51 @@ import asyncio import colorsys import logging +import os from signal import SIGINT, SIGTERM import numpy as np -from livekit import rtc - -URL = "ws://localhost:7880" -TOKEN = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE5MDY2MTMyODgsImlzcyI6IkFQSVRzRWZpZFpqclFvWSIsIm5hbWUiOiJuYXRpdmUiLCJuYmYiOjE2NzI2MTMyODgsInN1YiI6Im5hdGl2ZSIsInZpZGVvIjp7InJvb20iOiJ0ZXN0Iiwicm9vbUFkbWluIjp0cnVlLCJyb29tQ3JlYXRlIjp0cnVlLCJyb29tSm9pbiI6dHJ1ZSwicm9vbUxpc3QiOnRydWV9fQ.uSNIangMRu8jZD5mnRYoCHjcsQWCrJXgHCs0aNIgBFY" # noqa +from livekit import api, rtc WIDTH, HEIGHT = 1280, 720 +# ensure LIVEKIT_URL, LIVEKIT_API_KEY, and LIVEKIT_API_SECRET are set + + +async def main(room: rtc.Room): + token = ( + api.AccessToken() + .with_identity("python-publisher") + .with_name("Python Publisher") + .with_grants( + api.VideoGrants( + room_join=True, + room="my-room", + ) + ) + .to_jwt() + ) + url = os.getenv("LIVEKIT_URL") + logging.info("connecting to %s", url) + try: + await room.connect(url, token) + logging.info("connected to room %s", room.name) + except rtc.ConnectError as e: + logging.error("failed to connect to the room: %s", e) + return + + # publish a track + source = rtc.VideoSource(WIDTH, HEIGHT) + track = rtc.LocalVideoTrack.create_video_track("hue", source) + options = rtc.TrackPublishOptions() + options.source = rtc.TrackSource.SOURCE_CAMERA + publication = await room.local_participant.publish_track(track, options) + logging.info("published track %s", publication.sid) + + asyncio.ensure_future(draw_color_cycle(source)) + + async def draw_color_cycle(source: rtc.VideoSource): argb_frame = rtc.ArgbFrame.create(rtc.VideoFormatType.FORMAT_ARGB, WIDTH, HEIGHT) arr = np.frombuffer(argb_frame.data, dtype=np.uint8) @@ -42,26 +76,6 @@ async def draw_color_cycle(source: rtc.VideoSource): await asyncio.sleep(1 / 30 - code_duration) -async def main(room: rtc.Room): - logging.info("connecting to %s", URL) - try: - await room.connect(URL, TOKEN) - logging.info("connected to room %s", room.name) - except rtc.ConnectError as e: - logging.error("failed to connect to the room: %s", e) - return - - # publish a track - source = rtc.VideoSource(WIDTH, HEIGHT) - track = rtc.LocalVideoTrack.create_video_track("hue", source) - options = rtc.TrackPublishOptions() - options.source = rtc.TrackSource.SOURCE_CAMERA - publication = await room.local_participant.publish_track(track, options) - logging.info("published track %s", publication.sid) - - asyncio.ensure_future(draw_color_cycle(source)) - - if __name__ == "__main__": logging.basicConfig( level=logging.INFO, diff --git a/examples/publish_wave.py b/examples/publish_wave.py index 10e4c928..049601ba 100644 --- a/examples/publish_wave.py +++ b/examples/publish_wave.py @@ -1,30 +1,15 @@ import asyncio import logging from signal import SIGINT, SIGTERM +import os import numpy as np -from livekit import rtc - -URL = "ws://localhost:7880" -TOKEN = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE5MDY2MTMyODgsImlzcyI6IkFQSVRzRWZpZFpqclFvWSIsIm5hbWUiOiJuYXRpdmUiLCJuYmYiOjE2NzI2MTMyODgsInN1YiI6Im5hdGl2ZSIsInZpZGVvIjp7InJvb20iOiJ0ZXN0Iiwicm9vbUFkbWluIjp0cnVlLCJyb29tQ3JlYXRlIjp0cnVlLCJyb29tSm9pbiI6dHJ1ZSwicm9vbUxpc3QiOnRydWV9fQ.uSNIangMRu8jZD5mnRYoCHjcsQWCrJXgHCs0aNIgBFY" # noqa +from livekit import rtc, api SAMPLE_RATE = 48000 NUM_CHANNELS = 1 - -async def publish_frames(source: rtc.AudioSource, frequency: int): - amplitude = 32767 # for 16-bit audio - samples_per_channel = 480 # 10ms at 48kHz - time = np.arange(samples_per_channel) / SAMPLE_RATE - total_samples = 0 - audio_frame = rtc.AudioFrame.create(SAMPLE_RATE, NUM_CHANNELS, samples_per_channel) - audio_data = np.frombuffer(audio_frame.data, dtype=np.int16) - while True: - time = (total_samples + np.arange(samples_per_channel)) / SAMPLE_RATE - sine_wave = (amplitude * np.sin(2 * np.pi * frequency * time)).astype(np.int16) - np.copyto(audio_data, sine_wave) - await source.capture_frame(audio_frame) - total_samples += samples_per_channel +# ensure LIVEKIT_URL, LIVEKIT_API_KEY, and LIVEKIT_API_SECRET are set async def main(room: rtc.Room) -> None: @@ -32,11 +17,25 @@ async def main(room: rtc.Room) -> None: def on_participant_disconnect(participant: rtc.Participant, *_): logging.info("participant disconnected: %s", participant.identity) - logging.info("connecting to %s", URL) + token = ( + api.AccessToken() + .with_identity("python-publisher") + .with_name("Python Publisher") + .with_grants( + api.VideoGrants( + room_join=True, + room="my-room", + ) + ) + .to_jwt() + ) + url = os.getenv("LIVEKIT_URL") + + logging.info("connecting to %s", url) try: await room.connect( - URL, - TOKEN, + url, + token, options=rtc.RoomOptions( auto_subscribe=True, ), @@ -57,6 +56,21 @@ def on_participant_disconnect(participant: rtc.Participant, *_): asyncio.ensure_future(publish_frames(source, 440)) +async def publish_frames(source: rtc.AudioSource, frequency: int): + amplitude = 32767 # for 16-bit audio + samples_per_channel = 480 # 10ms at 48kHz + time = np.arange(samples_per_channel) / SAMPLE_RATE + total_samples = 0 + audio_frame = rtc.AudioFrame.create(SAMPLE_RATE, NUM_CHANNELS, samples_per_channel) + audio_data = np.frombuffer(audio_frame.data, dtype=np.int16) + while True: + time = (total_samples + np.arange(samples_per_channel)) / SAMPLE_RATE + sine_wave = (amplitude * np.sin(2 * np.pi * frequency * time)).astype(np.int16) + np.copyto(audio_data, sine_wave) + await source.capture_frame(audio_frame) + total_samples += samples_per_channel + + if __name__ == "__main__": logging.basicConfig( level=logging.INFO, diff --git a/examples/whisper/whisper.py b/examples/whisper/whisper.py index ced42b02..1b883c65 100644 --- a/examples/whisper/whisper.py +++ b/examples/whisper/whisper.py @@ -4,14 +4,15 @@ import pathlib import platform from signal import SIGINT, SIGTERM +from os import getenv import numpy as np -from livekit import rtc +from livekit import api, rtc -os = platform.system().lower() -if os == "windows": +platform = platform.system().lower() +if platform == "windows": lib_file = "whisper.dll" -elif os == "darwin": +elif platform == "darwin": lib_file = "libwhisper.dylib" else: lib_file = "libwhisper.so" @@ -20,10 +21,6 @@ libname = str(whisper_dir / lib_file) fname_model = str(whisper_dir / "models/ggml-tiny.en.bin") -URL = "ws://localhost:7880" -TOKEN = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE5MDY2MTMyODgsImlzcyI6IkFQSVRzRWZpZFpqclFvWSIsIm5hbWUiOiJuYXRpdmUiLCJuYmYiOjE2NzI2MTMyODgsInN1YiI6Im5hdGl2ZSIsInZpZGVvIjp7InJvb20iOiJ0ZXN0Iiwicm9vbUFkbWluIjp0cnVlLCJyb29tQ3JlYXRlIjp0cnVlLCJyb29tSm9pbiI6dHJ1ZSwicm9vbUxpc3QiOnRydWV9fQ.uSNIangMRu8jZD5mnRYoCHjcsQWCrJXgHCs0aNIgBFY" # noqa - - # declare the Whisper C API (Only what we need, keep things simple) # also see this issue: https://github.com/ggerganov/whisper.cpp/issues/9 # structure must match https://github.com/ggerganov/whisper.cpp/blob/master/whisper.h @@ -98,6 +95,62 @@ class WhisperFullParams(ctypes.Structure): ctx = whisper.whisper_init_from_file(fname_model.encode("utf-8")) +async def main(room: rtc.Room): + @room.on("track_published") + def on_track_published( + publication: rtc.RemoteTrackPublication, participant: rtc.RemoteParticipant + ): + # Only subscribe to the audio tracks coming from the microphone + if ( + publication.kind == rtc.TrackKind.KIND_AUDIO + and publication.source == rtc.TrackSource.SOURCE_MICROPHONE + ): + logging.info( + "track published: %s from participant %s (%s), subscribing...", + publication.sid, + participant.sid, + participant.identity, + ) + + publication.set_subscribed(True) + + @room.on("track_subscribed") + def on_track_subscribed( + track: rtc.Track, + publication: rtc.RemoteTrackPublication, + participant: rtc.RemoteParticipant, + ): + logging.info("starting listening to: %s", participant.identity) + audio_stream = rtc.AudioStream(track) + asyncio.create_task(whisper_task(audio_stream)) + + url = getenv("LIVEKIT_URL") + token = ( + api.AccessToken() + .with_identity("python-bot") + .with_name("Python Bot") + .with_grants( + api.VideoGrants( + room_join=True, + room="my-room", + ) + ) + .to_jwt() + ) + # manually manage subscriptions + await room.connect(url, token, rtc.RoomOptions(auto_subscribe=False)) + logging.info("connected to room %s", room.name) + + # check if there are already published audio tracks + for participant in room.participants.values(): + for track in participant.tracks.values(): + if ( + track.kind == rtc.TrackKind.KIND_AUDIO + and track.source == rtc.TrackSource.SOURCE_MICROPHONE + ): + track.set_subscribed(True) + + async def whisper_task(stream: rtc.AudioStream): data_30_secs = np.zeros(SAMPLES_30_SECS, dtype=np.float32) written_samples = 0 # nb. of samples written to data_30_secs for the cur. inference @@ -150,48 +203,6 @@ async def whisper_task(stream: rtc.AudioStream): written_samples = 0 -async def main(room: rtc.Room): - @room.on("track_published") - def on_track_published( - publication: rtc.RemoteTrackPublication, participant: rtc.RemoteParticipant - ): - # Only subscribe to the audio tracks coming from the microphone - if ( - publication.kind == rtc.TrackKind.KIND_AUDIO - and publication.source == rtc.TrackSource.SOURCE_MICROPHONE - ): - logging.info( - "track published: %s from participant %s (%s), subscribing...", - publication.sid, - participant.sid, - participant.identity, - ) - - publication.set_subscribed(True) - - @room.on("track_subscribed") - def on_track_subscribed( - track: rtc.Track, - publication: rtc.RemoteTrackPublication, - participant: rtc.RemoteParticipant, - ): - logging.info("starting listening to: %s", participant.identity) - audio_stream = rtc.AudioStream(track) - asyncio.create_task(whisper_task(audio_stream)) - - await room.connect(URL, TOKEN, rtc.RoomOptions(auto_subscribe=False)) - logging.info("connected to room %s", room.name) - - # check if there are already published audio tracks - for participant in room.participants.values(): - for track in participant.tracks.values(): - if ( - track.kind == rtc.TrackKind.KIND_AUDIO - and track.source == rtc.TrackSource.SOURCE_MICROPHONE - ): - track.set_subscribed(True) - - if __name__ == "__main__": logging.basicConfig( level=logging.INFO, diff --git a/livekit-api/README.md b/livekit-api/README.md index e69de29b..c4b77002 100644 --- a/livekit-api/README.md +++ b/livekit-api/README.md @@ -0,0 +1,3 @@ +# LiveKit Server APIs + +Access LiveKit server APIs and generate access tokens. diff --git a/livekit-api/livekit/api/__init__.py b/livekit-api/livekit/api/__init__.py index 44c528e7..e22f846d 100644 --- a/livekit-api/livekit/api/__init__.py +++ b/livekit-api/livekit/api/__init__.py @@ -16,10 +16,11 @@ """ # flake8: noqa -from livekit.protocol.egress import * -from livekit.protocol.ingress import * -from livekit.protocol.models import * -from livekit.protocol.room import * +# re-export packages from protocol +from livekit.protocol import egress +from livekit.protocol import ingress +from livekit.protocol import models +from livekit.protocol import room from .access_token import VideoGrants, AccessToken from .room_service import RoomService diff --git a/livekit-api/livekit/api/access_token.py b/livekit-api/livekit/api/access_token.py index fe3df49a..87fecd88 100644 --- a/livekit-api/livekit/api/access_token.py +++ b/livekit-api/livekit/api/access_token.py @@ -15,6 +15,7 @@ import calendar import dataclasses import datetime +import os import jwt @@ -69,10 +70,16 @@ class Claims: class AccessToken: - def __init__(self, api_key: str, api_secret: str) -> None: + def __init__( + self, + api_key: str = os.getenv("LIVEKIT_API_KEY", ""), + api_secret: str = os.getenv("LIVEKIT_API_SECRET", ""), + ) -> None: self.api_key = api_key # iss self.api_secret = api_secret self.claims = Claims() + if not api_key or not api_secret: + raise ValueError("api_key and api_secret must be set") # default jwt claims self.identity = "" # sub diff --git a/livekit-api/livekit/api/room_service.py b/livekit-api/livekit/api/room_service.py index 768201ad..6be0df92 100644 --- a/livekit-api/livekit/api/room_service.py +++ b/livekit-api/livekit/api/room_service.py @@ -7,8 +7,8 @@ class RoomService(Service): - def __init__(self, host: str, api_key: str, api_secret: str): - super().__init__(host, api_key, api_secret) + def __init__(self, url: str, api_key: str, api_secret: str): + super().__init__(url, api_key, api_secret) async def create_room( self, create: proto_room.CreateRoomRequest diff --git a/livekit-api/livekit/api/version.py b/livekit-api/livekit/api/version.py index ae736254..bbab0242 100644 --- a/livekit-api/livekit/api/version.py +++ b/livekit-api/livekit/api/version.py @@ -1 +1 @@ -__version__ = "0.1.3" +__version__ = "0.1.4" diff --git a/livekit-rtc/README.md b/livekit-rtc/README.md index d552dede..105e723f 100644 --- a/livekit-rtc/README.md +++ b/livekit-rtc/README.md @@ -1 +1,3 @@ -# livekit-rtc +# LiveKit Real-time Python SDK + +The LiveKit Python SDK provides a convenient interface for integrating LiveKit's real-time video and audio capabilities into your Python applications. With it, developers can easily leverage LiveKit's WebRTC functionalities, allowing them to focus on building their AI models or other application logic without worrying about the complexities of WebRTC.