mirror of
https://github.com/agentscope-ai/ReMe.git
synced 2026-09-19 00:01:33 +00:00
42a3343cb5
- Introduce Application class for managing application lifecycle - Add base component classes for LLM formatters and token counters - Implement embedding model base with caching and batching support - Create file watcher base with watchfiles integration - Add job and step base components for workflow execution - Update base component with async locks and improved lifecycle management - Register new component types in component registry - Add application context and runtime context for dependency injection
81 lines
2.2 KiB
Python
81 lines
2.2 KiB
Python
"""Base class for components."""
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import asyncio
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from abc import ABC, abstractmethod
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from typing import TYPE_CHECKING
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from ..enumeration import ComponentEnum
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from ..utils import get_logger
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if TYPE_CHECKING:
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from .application_context import ApplicationContext
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class BaseComponent(ABC):
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"""Async lifecycle base class with context manager support.
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Subclasses must implement ``_start`` and ``_close``.
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"""
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component_type = ComponentEnum.BASE
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def __init__(
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self,
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name: str | None = None,
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backend: str = "",
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app_context: "ApplicationContext | None" = None,
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**kwargs,
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) -> None:
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self.name: str = name or self.__class__.__name__
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self.backend: str = backend
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self.app_context: "ApplicationContext | None" = app_context
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self.kwargs: dict = dict(kwargs)
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self.logger = get_logger()
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if hasattr(self.logger, "bind"):
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self.logger = self.logger.bind(component=self.name)
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self._is_started: bool = False
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self._lock: asyncio.Lock = asyncio.Lock()
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@abstractmethod
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async def _start(self) -> None:
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"""Start the component."""
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@abstractmethod
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async def _close(self) -> None:
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"""Close the component."""
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async def start(self) -> None:
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"""Start the component. No-op if already started."""
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async with self._lock:
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if self._is_started:
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return
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await self._start()
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self._is_started = True
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async def close(self) -> None:
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"""Close the component. No-op if not started."""
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async with self._lock:
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if not self._is_started:
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return
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await self._close()
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self._is_started = False
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async def restart(self) -> None:
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"""Close then start."""
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await self.close()
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await self.start()
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@property
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def is_started(self) -> bool:
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return self._is_started
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async def __call__(self, **kwargs):
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raise NotImplementedError
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async def __aenter__(self) -> "BaseComponent":
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await self.start()
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return self
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async def __aexit__(self, exc_type, exc_val, exc_tb) -> None:
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await self.close()
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