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Use shared is_async_callable instead of inspect.iscoroutinefunction (#2389)

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Marcelo Trylesinski 2026-04-08 14:12:20 +02:00 • committed by GitHub
commit cf4e435db0
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1 changed files with 50 additions and 22 deletions
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7
src/mcp/server/mcpserver/resources/templates.py
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@ -3,7 +3,6 @@
from __future__ import annotations
import functools
import inspect
import re
from collections.abc import Callable
from typing import TYPE_CHECKING, Any
@ -15,6 +14,7 @@ from pydantic import BaseModel, Field, validate_call
from mcp.server.mcpserver.resources.types import FunctionResource, Resource
from mcp.server.mcpserver.utilities.context_injection import find_context_parameter, inject_context
from mcp.server.mcpserver.utilities.func_metadata import func_metadata
from mcp.shared._callable_inspection import is_async_callable
from mcp.types import Annotations, Icon
if TYPE_CHECKING:
@ -112,8 +112,9 @@ class ResourceTemplate(BaseModel):
# Add context to params if needed
params = inject_context(self.fn, params, context, self.context_kwarg)
if inspect.iscoroutinefunction(self.fn):
result = await self.fn(**params)
fn = self.fn
if is_async_callable(fn):
result = await fn(**params)
else:
result = await anyio.to_thread.run_sync(functools.partial(self.fn, **params))