Spaces:
Runtime error
Runtime error
File size: 6,343 Bytes
24cdea4 c18de0b 24cdea4 cfe1247 24cdea4 f197779 c18de0b f197779 24cdea4 cfe1247 24cdea4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 | """
LiveKit Cloud utilities.
Provides helper functions for room and token management via LiveKit Cloud API.
"""
import os
from datetime import timedelta
from typing import Optional
from loguru import logger
from livekit.api import LiveKitAPI, AccessToken, VideoGrants, CreateRoomRequest
class LiveKitHelper:
"""Helper class for LiveKit Cloud room and token management."""
def __init__(
self,
api_key: Optional[str] = None,
api_secret: Optional[str] = None,
url: Optional[str] = None,
):
"""
Initialize LiveKit helper.
Args:
api_key: LiveKit API key (defaults to LIVEKIT_API_KEY env var)
api_secret: LiveKit API secret (defaults to LIVEKIT_API_SECRET env var)
url: LiveKit Cloud URL (defaults to LIVEKIT_URL env var)
"""
self.api_key = api_key or os.getenv("LIVEKIT_API_KEY")
self.api_secret = api_secret or os.getenv("LIVEKIT_API_SECRET")
self.url = url or os.getenv("LIVEKIT_URL")
if not self.api_key or not self.api_secret:
raise ValueError(
"LiveKit API key and secret are required. "
"Set LIVEKIT_API_KEY and LIVEKIT_API_SECRET environment variables."
)
if not self.url:
raise ValueError(
"LiveKit URL is required. Set LIVEKIT_URL environment variable."
)
self._api: Optional[LiveKitAPI] = None
@property
def api(self) -> LiveKitAPI:
"""Get or create LiveKit API client."""
if self._api is None:
self._api = LiveKitAPI(
url=self.url,
api_key=self.api_key,
api_secret=self.api_secret,
)
return self._api
def create_token(
self,
room_name: str,
participant_identity: str,
ttl: int = 3600,
can_publish: bool = True,
can_subscribe: bool = True,
can_publish_data: bool = True,
) -> str:
"""
Create an access token for a participant.
Args:
room_name: Name of the room to join
participant_identity: Unique identity for the participant
ttl: Token time-to-live in seconds (default: 1 hour)
can_publish: Allow publishing audio/video
can_subscribe: Allow subscribing to other participants
can_publish_data: Allow publishing data messages
Returns:
JWT access token string
"""
token = (
AccessToken(api_key=self.api_key, api_secret=self.api_secret)
.with_identity(participant_identity)
.with_ttl(timedelta(seconds=ttl))
.with_grants(
VideoGrants(
room_join=True,
room=room_name,
can_publish=can_publish,
can_subscribe=can_subscribe,
can_publish_data=can_publish_data,
)
)
)
return token.to_jwt()
async def create_room(
self,
room_name: str,
empty_timeout: int = 300,
max_participants: int = 10,
) -> dict:
"""
Create a new LiveKit room.
Args:
room_name: Unique name for the room
empty_timeout: Seconds to keep room alive when empty (default: 5 min)
max_participants: Maximum number of participants
Returns:
Room info dictionary
"""
room = await self.api.room.create_room(
CreateRoomRequest(
name=room_name,
empty_timeout=empty_timeout,
max_participants=max_participants,
)
)
logger.info(f"Created LiveKit room: {room_name}")
return {
"name": room.name,
"sid": room.sid,
"empty_timeout": room.empty_timeout,
"max_participants": room.max_participants,
"creation_time": room.creation_time,
}
async def delete_room(self, room_name: str) -> bool:
"""
Delete a LiveKit room.
Args:
room_name: Name of the room to delete
Returns:
True if successful
"""
await self.api.room.delete_room(room_name)
logger.info(f"Deleted LiveKit room: {room_name}")
return True
async def list_rooms(self) -> list:
"""
List all active rooms.
Returns:
List of room info dictionaries
"""
rooms = await self.api.room.list_rooms()
return [
{
"name": room.name,
"sid": room.sid,
"num_participants": room.num_participants,
"creation_time": room.creation_time,
}
for room in rooms
]
async def list_participants(self, room_name: str) -> list:
"""
List participants in a room.
Args:
room_name: Name of the room
Returns:
List of participant info dictionaries
"""
participants = await self.api.room.list_participants(room_name)
return [
{
"identity": p.identity,
"sid": p.sid,
"state": p.state,
"joined_at": p.joined_at,
}
for p in participants
]
async def remove_participant(self, room_name: str, identity: str) -> bool:
"""
Remove a participant from a room.
Args:
room_name: Name of the room
identity: Participant identity to remove
Returns:
True if successful
"""
await self.api.room.remove_participant(room_name, identity)
logger.info(f"Removed participant {identity} from room {room_name}")
return True
async def close(self):
"""Close the API client."""
if self._api:
await self._api.aclose()
self._api = None
# Singleton instance for convenience
_helper: Optional[LiveKitHelper] = None
def get_livekit_helper() -> LiveKitHelper:
"""Get or create the global LiveKit helper instance."""
global _helper
if _helper is None:
_helper = LiveKitHelper()
return _helper
|