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urbanLifeline/dify/api/contexts/__init__.py

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2025-12-01 17:21:38 +08:00
from contextvars import ContextVar
from threading import Lock
from typing import TYPE_CHECKING
from contexts.wrapper import RecyclableContextVar
if TYPE_CHECKING:
from core.datasource.__base.datasource_provider import DatasourcePluginProviderController
from core.model_runtime.entities.model_entities import AIModelEntity
from core.plugin.entities.plugin_daemon import PluginModelProviderEntity
from core.tools.plugin_tool.provider import PluginToolProviderController
from core.trigger.provider import PluginTriggerProviderController
"""
To avoid race-conditions caused by gunicorn thread recycling, using RecyclableContextVar to replace with
"""
plugin_tool_providers: RecyclableContextVar[dict[str, "PluginToolProviderController"]] = RecyclableContextVar(
ContextVar("plugin_tool_providers")
)
plugin_tool_providers_lock: RecyclableContextVar[Lock] = RecyclableContextVar(ContextVar("plugin_tool_providers_lock"))
plugin_model_providers: RecyclableContextVar[list["PluginModelProviderEntity"] | None] = RecyclableContextVar(
ContextVar("plugin_model_providers")
)
plugin_model_providers_lock: RecyclableContextVar[Lock] = RecyclableContextVar(
ContextVar("plugin_model_providers_lock")
)
plugin_model_schema_lock: RecyclableContextVar[Lock] = RecyclableContextVar(ContextVar("plugin_model_schema_lock"))
plugin_model_schemas: RecyclableContextVar[dict[str, "AIModelEntity"]] = RecyclableContextVar(
ContextVar("plugin_model_schemas")
)
datasource_plugin_providers: RecyclableContextVar[dict[str, "DatasourcePluginProviderController"]] = (
RecyclableContextVar(ContextVar("datasource_plugin_providers"))
)
datasource_plugin_providers_lock: RecyclableContextVar[Lock] = RecyclableContextVar(
ContextVar("datasource_plugin_providers_lock")
)
plugin_trigger_providers: RecyclableContextVar[dict[str, "PluginTriggerProviderController"]] = RecyclableContextVar(
ContextVar("plugin_trigger_providers")
)
plugin_trigger_providers_lock: RecyclableContextVar[Lock] = RecyclableContextVar(
ContextVar("plugin_trigger_providers_lock")
)