Drop old (and deluded) "streaming" cruft

tractor/to_asyncio.py

@@ -24,33 +24,19 @@ log = get_logger(__name__)
 __all__ = ['run_task', 'run_as_asyncio_guest']
 
 
-# async def consume_asyncgen(
-#     to_trio: trio.MemorySendChannel,
-#     coro: AsyncIterator,
-# ) -> None:
-#     """Stream async generator results back to ``trio``.
-
-#     ``from_trio`` might eventually be used here for
-#     bidirectional streaming.
-#     """
-#     async for item in coro:
-#         to_trio.send_nowait(item)
-
-
 def _run_asyncio_task(
     func: Callable,
     *,
     qsize: int = 1,
-    # _treat_as_stream: bool = False,
     provide_channels: bool = False,
     **kwargs,
 
 ) -> Any:
-    """
+    '''
     Run an ``asyncio`` async function or generator in a task, return
     or stream the result back to ``trio``.
 
-    """
+    '''
     if not current_actor().is_infected_aio():
         raise RuntimeError("`infect_asyncio` mode is not enabled!?")
 
@@ -66,7 +52,6 @@ def _run_asyncio_task(
         # the assumption is that the target async routine accepts the
         # send channel then it intends to yield more then one return
         # value otherwise it would just return ;P
-        # _treat_as_stream = True
         assert qsize > 1
 
     if provide_channels:
@@ -91,10 +76,10 @@ def _run_asyncio_task(
         aio_task_complete: trio.Event,
 
     ) -> None:
-        """
+        '''
         Await ``coro`` and relay result back to ``trio``.
 
-        """
+        '''
         nonlocal aio_err
         orig = result = id(coro)
         try:
@@ -114,9 +99,6 @@ def _run_asyncio_task(
             wait_on_coro_final_result(to_trio, coro, aio_task_complete)
         )
 
-    # elif inspect.isasyncgen(coro):
-    #     task = asyncio.create_task(consume_asyncgen(to_trio, coro))
-
     else:
         raise TypeError(f"No support for invoking {coro}")
 
@@ -147,7 +129,6 @@ async def run_task(
     *,
 
     qsize: int = 2**10,
-    # _treat_as_stream: bool = False,
     **kwargs,
 
 ) -> Any:
@@ -184,28 +165,19 @@ async def run_task(
             raise err from aio_err
         else:
             raise
-
-    # except trio.Cancelled:
-        # raise
     finally:
         if not task.done():
             task.cancel()
 
 
-# TODO: explicit api for the streaming case where
+# TODO: explicitly api for the streaming case where
 # we pull from the mem chan in an async generator?
 # This ends up looking more like our ``Portal.open_stream_from()``
 # NB: code below is untested.
 
-# async def _start_and_sync_aio_task(
-#     from_trio,
-#     to_trio,
-#     from_aio,
-
 
 @acm
 async def open_channel_from(
-
     target: Callable[[Any, ...], Any],
     **kwargs,
 
@@ -250,7 +222,8 @@ async def open_channel_from(
 def run_as_asyncio_guest(
     trio_main: Callable,
 ) -> None:
-    """Entry for an "infected ``asyncio`` actor".
+    '''
+    Entry for an "infected ``asyncio`` actor".
 
     Uh, oh. :o
 
@@ -265,8 +238,8 @@ def run_as_asyncio_guest(
 
     :)
 
-    """
-    # Disable sigint handling in children?
+    '''
+    # Disable sigint handling in children? (nawp)
     # import signal
     # signal.signal(signal.SIGINT, signal.SIG_IGN)