Files
LangBot/src/langbot/pkg/pipeline/pool.py
T
fdc310 b96f209b98 feat: Implement workflow form handling for paused workflows
- Added module-level storage for pending forms to manage state across sessions.
- Introduced functions to set, get, and clear pending forms with expiration handling.
- Enhanced DifyServiceAPIRunner to support resuming paused workflows via form actions.
- Implemented logic to yield human input requests and display appropriate messages.
- Updated workflow submission methods to handle paused states and resume actions.
- Ensured proper merging of pending form actions with user inputs for seamless interaction.
2026-05-28 23:32:46 +08:00

78 lines
2.8 KiB
Python

from __future__ import annotations
import asyncio
import typing
import langbot_plugin.api.entities.builtin.platform.message as platform_message
import langbot_plugin.api.entities.builtin.platform.events as platform_events
import langbot_plugin.api.entities.builtin.provider.session as provider_session
import langbot_plugin.api.entities.builtin.pipeline.query as pipeline_query
import langbot_plugin.api.definition.abstract.platform.adapter as abstract_platform_adapter
class QueryPool:
"""请求池,请求获得调度进入pipeline之前,保存在这里"""
query_id_counter: int = 0
pool_lock: asyncio.Lock
queries: list[pipeline_query.Query]
cached_queries: dict[int, pipeline_query.Query]
"""Cached queries, used for plugin backward api call, will be removed after the query completely processed"""
condition: asyncio.Condition
def __init__(self):
self.query_id_counter = 0
self.pool_lock = asyncio.Lock()
self.queries = []
self.cached_queries = {}
self.condition = asyncio.Condition(self.pool_lock)
async def add_query(
self,
bot_uuid: str,
launcher_type: provider_session.LauncherTypes,
launcher_id: typing.Union[int, str],
sender_id: typing.Union[int, str],
message_event: platform_events.MessageEvent,
message_chain: platform_message.MessageChain,
adapter: abstract_platform_adapter.AbstractMessagePlatformAdapter,
pipeline_uuid: typing.Optional[str] = None,
routed_by_rule: bool = False,
variables: typing.Optional[dict[str, typing.Any]] = None,
) -> pipeline_query.Query:
async with self.condition:
query_id = self.query_id_counter
initial_variables: dict[str, typing.Any] = {'_routed_by_rule': routed_by_rule}
if variables:
initial_variables.update(variables)
query = pipeline_query.Query(
bot_uuid=bot_uuid,
query_id=query_id,
launcher_type=launcher_type,
launcher_id=launcher_id,
sender_id=sender_id,
message_event=message_event,
message_chain=message_chain,
variables=initial_variables,
resp_messages=[],
resp_message_chain=[],
adapter=adapter,
pipeline_uuid=pipeline_uuid,
)
self.queries.append(query)
self.cached_queries[query_id] = query
self.query_id_counter += 1
self.condition.notify_all()
return query
async def __aenter__(self):
await self.pool_lock.acquire()
return self
async def __aexit__(self, exc_type, exc_val, exc_tb):
self.pool_lock.release()