|
| 1 | +from __future__ import annotations |
| 2 | +import time |
| 3 | +from jupyter_events import EventLogger |
| 4 | +from jupyter_server.extension.application import ExtensionApp |
| 5 | + |
| 6 | +from jupyter_ai_router.handlers import RouteHandler |
| 7 | + |
| 8 | +from .router import MessageRouter |
| 9 | + |
| 10 | +# Check jupyter-collaboration version for compatibility |
| 11 | +try: |
| 12 | + from jupyter_collaboration import __version__ as jupyter_collaboration_version |
| 13 | + |
| 14 | + JCOLLAB_VERSION = int(jupyter_collaboration_version[0]) |
| 15 | + if JCOLLAB_VERSION >= 3: |
| 16 | + from jupyter_server_ydoc.utils import JUPYTER_COLLABORATION_EVENTS_URI |
| 17 | + else: |
| 18 | + from jupyter_collaboration.utils import JUPYTER_COLLABORATION_EVENTS_URI |
| 19 | +except ImportError: |
| 20 | + # Fallback if jupyter-collaboration is not available |
| 21 | + JUPYTER_COLLABORATION_EVENTS_URI = ( |
| 22 | + "https://events.jupyter.org/jupyter_collaboration" |
| 23 | + ) |
| 24 | + |
| 25 | + |
| 26 | +class RouterExtension(ExtensionApp): |
| 27 | + """ |
| 28 | + Jupyter AI Router Extension |
| 29 | + """ |
| 30 | + |
| 31 | + name = "jupyter_ai_router" |
| 32 | + handlers = [ |
| 33 | + (r"jupyter-ai-router/health/?", RouteHandler), |
| 34 | + ] |
| 35 | + |
| 36 | + def initialize_settings(self): |
| 37 | + """Initialize router settings and event listeners.""" |
| 38 | + start = time.time() |
| 39 | + |
| 40 | + # Create MessageRouter instance |
| 41 | + self.router = MessageRouter(parent=self) |
| 42 | + |
| 43 | + # Make router available to other extensions |
| 44 | + if "jupyter-ai" not in self.settings: |
| 45 | + self.settings["jupyter-ai"] = {} |
| 46 | + self.settings["jupyter-ai"]["router"] = self.router |
| 47 | + |
| 48 | + # Listen for new chat room events |
| 49 | + if self.serverapp is not None: |
| 50 | + self.event_logger = self.serverapp.web_app.settings["event_logger"] |
| 51 | + self.event_logger.add_listener( |
| 52 | + schema_id=JUPYTER_COLLABORATION_EVENTS_URI, listener=self._on_chat_event |
| 53 | + ) |
| 54 | + |
| 55 | + elapsed = time.time() - start |
| 56 | + self.log.info(f"Initialized RouterExtension in {elapsed:.2f}s") |
| 57 | + |
| 58 | + async def _on_chat_event( |
| 59 | + self, logger: EventLogger, schema_id: str, data: dict |
| 60 | + ) -> None: |
| 61 | + """Handle chat room events and connect new chats to router.""" |
| 62 | + # Only handle chat room initialization events |
| 63 | + if not ( |
| 64 | + data["room"].startswith("text:chat:") |
| 65 | + and data["action"] == "initialize" |
| 66 | + and data["msg"] == "Room initialized" |
| 67 | + ): |
| 68 | + return |
| 69 | + |
| 70 | + room_id = data["room"] |
| 71 | + self.log.info(f"New chat room detected: {room_id}") |
| 72 | + |
| 73 | + # Get YChat document for the room |
| 74 | + ychat = await self._get_chat(room_id) |
| 75 | + if ychat is None: |
| 76 | + self.log.error(f"Failed to get YChat for room {room_id}") |
| 77 | + return |
| 78 | + |
| 79 | + # Connect chat to router |
| 80 | + self.router.connect_chat(room_id, ychat) |
| 81 | + |
| 82 | + async def _get_chat(self, room_id: str): |
| 83 | + """Get YChat instance for a room ID.""" |
| 84 | + if not self.serverapp: |
| 85 | + return None |
| 86 | + |
| 87 | + try: |
| 88 | + if JCOLLAB_VERSION >= 3: |
| 89 | + collaboration = self.serverapp.web_app.settings["jupyter_server_ydoc"] |
| 90 | + document = await collaboration.get_document(room_id=room_id, copy=False) |
| 91 | + else: |
| 92 | + collaboration = self.serverapp.web_app.settings["jupyter_collaboration"] |
| 93 | + server = collaboration.ywebsocket_server |
| 94 | + room = await server.get_room(room_id) |
| 95 | + document = room._document |
| 96 | + |
| 97 | + return document |
| 98 | + except Exception as e: |
| 99 | + self.log.error(f"Error getting chat document for {room_id}: {e}") |
| 100 | + return None |
| 101 | + |
| 102 | + async def stop_extension(self): |
| 103 | + """Clean up router when extension stops.""" |
| 104 | + try: |
| 105 | + if hasattr(self, "router"): |
| 106 | + self.router.cleanup() |
| 107 | + except Exception as e: |
| 108 | + self.log.error(f"Error during router cleanup: {e}") |
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