primeira versão transcreve audio

.venv/Lib/site-packages/fastapi/concurrency.py

@@ -0,0 +1,32 @@
+import sys
+from typing import AsyncGenerator, ContextManager, TypeVar
+
+from starlette.concurrency import iterate_in_threadpool as iterate_in_threadpool  # noqa
+from starlette.concurrency import run_in_threadpool as run_in_threadpool  # noqa
+from starlette.concurrency import (  # noqa
+    run_until_first_complete as run_until_first_complete,
+)
+
+if sys.version_info >= (3, 7):
+    from contextlib import AsyncExitStack as AsyncExitStack
+    from contextlib import asynccontextmanager as asynccontextmanager
+else:
+    from contextlib2 import AsyncExitStack as AsyncExitStack  # noqa
+    from contextlib2 import asynccontextmanager as asynccontextmanager  # noqa
+
+
+_T = TypeVar("_T")
+
+
+@asynccontextmanager
+async def contextmanager_in_threadpool(
+    cm: ContextManager[_T],
+) -> AsyncGenerator[_T, None]:
+    try:
+        yield await run_in_threadpool(cm.__enter__)
+    except Exception as e:
+        ok: bool = await run_in_threadpool(cm.__exit__, type(e), e, None)
+        if not ok:
+            raise e
+    else:
+        await run_in_threadpool(cm.__exit__, None, None, None)