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Enable stream backpressure by default, add `MsgStream.ctx: Context`

dun_unset_current_actor
Tyler Goodlet 2022-12-11 19:50:41 -05:00
parent 55ec4d2a8b
commit 414a7ecc4c
1 changed files with 5 additions and 2 deletions
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7
tractor/_streaming.py
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@ -69,7 +69,7 @@ class ReceiveMsgStream(trio.abc.ReceiveChannel):
''' '''
def __init__( def __init__(
self, self,
ctx: 'Context', # typing: ignore # noqa ctx: Context, # typing: ignore # noqa
rx_chan: trio.MemoryReceiveChannel, rx_chan: trio.MemoryReceiveChannel,
_broadcaster: Optional[BroadcastReceiver] = None, _broadcaster: Optional[BroadcastReceiver] = None,
@ -82,6 +82,9 @@ class ReceiveMsgStream(trio.abc.ReceiveChannel):
self._eoc: bool = False self._eoc: bool = False
self._closed: bool = False self._closed: bool = False
def ctx(self) -> Context:
return self._ctx
# delegate directly to underlying mem channel # delegate directly to underlying mem channel
def receive_nowait(self): def receive_nowait(self):
msg = self._rx_chan.receive_nowait() msg = self._rx_chan.receive_nowait()
@ -380,7 +383,7 @@ class Context:
# only set on the callee side # only set on the callee side
_scope_nursery: Optional[trio.Nursery] = None _scope_nursery: Optional[trio.Nursery] = None
_backpressure: bool = False _backpressure: bool = True
async def send_yield(self, data: Any) -> None: async def send_yield(self, data: Any) -> None: