mirror of https://github.com/jesopo/ircrobots
63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
import asyncio, inspect
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import anyio
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from queue import Queue
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from typing import Any, Awaitable, Callable, cast, Dict, List, Tuple
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from irctokens import Line
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from .server import ConnectionParams, Server
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RECONNECT_DELAY = 10.0 # ten seconds reconnect
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class Bot(object):
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def __init__(self):
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self.servers: Dict[str, Server] = {}
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self._server_queue: asyncio.Queue[Server] = asyncio.Queue()
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# methods designed to be overridden
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def create_server(self, name: str):
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return Server(name)
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async def disconnected(self, server: Server):
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await asyncio.sleep(RECONNECT_DELAY)
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await self.add_server(server.name, server.params)
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async def line_read(self, server: Server, line: Line):
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pass
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async def line_send(self, server: Server, line: Line):
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pass
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async def add_server(self, name: str, params: ConnectionParams) -> Server:
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server = self.create_server(name)
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self.servers[name] = server
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await server.connect(params)
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await self._server_queue.put(server)
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return server
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async def _run_server(self, server: Server):
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async with anyio.create_task_group() as tg:
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async def _read():
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while not tg.cancel_scope.cancel_called:
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lines = await server._read_lines()
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for line in lines:
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await self.line_read(server, line)
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await tg.cancel_scope.cancel()
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async def _write():
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try:
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while not tg.cancel_scope.cancel_called:
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lines = await server._write_lines()
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for line in lines:
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await self.line_send(server, line)
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except Exception as e:
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print(e)
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await tg.cancel_scope.cancel()
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await tg.spawn(_read)
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await tg.spawn(_write)
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del self.servers[server.name]
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await self.disconnected(server)
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async def run(self):
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async with anyio.create_task_group() as tg:
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while not tg.cancel_scope.cancel_called:
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server = await self._server_queue.get()
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await tg.spawn(self._run_server, server)
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