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865 Commits (b14699d40ba18af58dff9236b55d101bfb9de86a)

Author SHA1 Message Date
Tyler Goodlet 6f05f5d5e6 Wait for debugger lock task context termination 2021-07-31 12:46:40 -04:00
Tyler Goodlet b369b91357 Fix up var naming and typing 2021-07-31 12:46:40 -04:00
Tyler Goodlet 969bce3aa4 Use context for remote debugger locking 
A context is the natural fit (vs. a receive stream) for locking the root
proc's tty usage via it's `.started()` sync point. Simplify the
`_breakpoin()` routine to be a simple async func instead of all this
"returning a coroutine" stuff from before we decided that
`tractor.breakpoint()` must be async. Use `runtime` level for locking
logging making it easier to trace.
 2021-07-31 12:46:40 -04:00
goodboy 54d8c93f1b
Merge pull request #219 from goodboy/bi_streaming_no_debugger_stuff 
Initial bi-directional streaming support!
 2021-07-31 12:27:53 -04:00
Tyler Goodlet 240f591234 Add 2-way streaming example to readme and scripts 2021-07-31 12:10:25 -04:00
Tyler Goodlet 69bbf6a957 Install test deps and py3.9 for type check job 2021-07-08 13:53:28 -04:00
Tyler Goodlet 443ebea165 Use "pdb" level logging in debug mode 2021-07-08 13:02:33 -04:00
Tyler Goodlet 25779d48a8 Define explicit adapter level methods for mypy 2021-07-08 12:51:35 -04:00
Tyler Goodlet fde52d2464 Mypy fixes 2021-07-08 12:48:34 -04:00
Tyler Goodlet 8c927d708d Change trace to transport level 2021-07-07 14:31:15 -04:00
Tyler Goodlet 31590e82a3 Flip "trace" level to "transport" level logging 2021-07-07 14:31:03 -04:00
Tyler Goodlet 929b6dcc83 Skip debugger tests on windows at module level 2021-07-06 13:26:30 -04:00
Tyler Goodlet 2513c652c1 Go back to only logging crashes if no pdb gets engaged 2021-07-06 08:23:30 -04:00
Tyler Goodlet 9ddb654783 Avoid mutate on iterate race 2021-07-06 08:23:30 -04:00
Tyler Goodlet 7f86d63e77 Drop trip kwarg 2021-07-06 08:23:30 -04:00
Tyler Goodlet 12f987514d Don't enter debug on closed resource errors 2021-07-06 08:23:30 -04:00
Tyler Goodlet 98bbf8e0df Move join event trigger to direct exit path 2021-07-06 08:23:30 -04:00
Tyler Goodlet b1cd7fdedf Don't shield on root cancel it can causes hangs 2021-07-06 08:23:30 -04:00
Tyler Goodlet ef725c5972 Always hard kill sub-procs on teardown 
Adds a new hard kill routine for the `trio` spawning backend.
 2021-07-06 08:23:30 -04:00
Tyler Goodlet a134bc490f Avoid mutate during interate error 2021-07-06 08:23:30 -04:00
Tyler Goodlet 0623de0b47 Expect context cancelled when we cancel 2021-07-06 08:23:30 -04:00
Tyler Goodlet b21e2a6caa Add pre-stream open error conditions 2021-07-06 08:23:30 -04:00
Tyler Goodlet c6cdaf9c31 De-densify some code 2021-07-06 08:23:30 -04:00
Tyler Goodlet 91640facbc Always shield cancel the caller on cancel-causing-errors, add teardown logging 2021-07-06 08:23:30 -04:00
Tyler Goodlet c2484e88a1 First try: pack cancelled tracebacks and ship to caller 2021-07-06 08:23:30 -04:00
Tyler Goodlet 3423ea4011 Add temp warning msg for context cancel call 2021-07-06 08:23:29 -04:00
Tyler Goodlet af701c16ee Consider relaying context error via raised-in-scope-nursery task 2021-07-06 08:23:29 -04:00
Tyler Goodlet 1703171bea Set stream "end of channel" after shielded check! 
Another face palm that was causing serious issues for code that is using
the `.shielded` feature..

Add a bunch more detailed comments for all this subtlety and hopefully
get it right once and for all. Also aggregated the `trio` errors that
should trigger closure inside `.aclose()`, hopefully that's right too.
 2021-07-06 08:23:29 -04:00
Tyler Goodlet 3d633408fc Don't clobber msg loop mem chan on rx stream close 
Revert this change since it really is poking at internals and doesn't
make a lot of sense. If the context is going to be cancelled then the
msg loop will tear down the feed memory channel when ready, we don't
need to be clobbering it and confusing the runtime machinery lol.
 2021-07-06 08:23:29 -04:00
Tyler Goodlet 8eb889a745 Modernize streaming tests 2021-07-06 08:23:29 -04:00
Tyler Goodlet 349d82d182 Speedup the dynamic pubsub test 2021-07-06 08:23:29 -04:00
Tyler Goodlet 7c5fd8ce9f Add detailed ``@tractor.context`` cancellation/termination tests 2021-07-06 08:23:29 -04:00
Tyler Goodlet 196dea80db Drop trailing comma 2021-07-06 08:23:29 -04:00
Tyler Goodlet 54916be601 Adjustments for non-frozen context dataclass change 2021-07-06 08:23:29 -04:00
Tyler Goodlet 1a69727b75 Fix exception typing 2021-07-06 08:23:29 -04:00
Tyler Goodlet 348148ff1e Explicitly formalize context/streaming teardown 
Add clear teardown semantics for `Context` such that the remote side
cancellation propagation happens only on error or if client code
explicitly requests it (either by exit flag to `Portal.open_context()`
or by manually calling `Context.cancel()`).  Add `Context.result()`
to wait on and capture the final result from a remote context function;
any lingering msg sequence will be consumed/discarded.

Changes in order to make this possible:
- pass the runtime msg loop's feeder receive channel in to the context
  on the calling (portal opening) side such that a final 'return' msg
  can be waited upon using `Context.result()` which delivers the final
  return value from the callee side `@tractor.context` async function.
- always await a final result from the target context function in
  `Portal.open_context()`'s `__aexit__()` if the context has not
  been (requested to be) cancelled by client code on block exit.
- add an internal `Context._cancel_called` for context "cancel
  requested" tracking (much like `trio`'s cancel scope).
- allow flagging a stream as terminated using an internal
  `._eoc` flag which will mark the stream as stopped for iteration.
- drop `StopAsyncIteration` catching in `.receive()`; it does
  nothing.
 2021-07-06 08:23:29 -04:00
Tyler Goodlet 73302d9d16 Specially raise a `ContextCancelled` for a task-context rpc 2021-07-06 08:23:29 -04:00
Tyler Goodlet 409f7f0d5a Expose streaming components at top level 2021-07-06 08:23:29 -04:00
Tyler Goodlet eb3662f981 Add a specially handled `ContextCancelled` error 2021-07-06 08:23:29 -04:00
Tyler Goodlet 3999849b03 Add a multi-task streaming test 2021-07-06 08:23:29 -04:00
Tyler Goodlet 39b9896a62 Only close recv chan if we get a ref 2021-07-06 08:23:29 -04:00
Tyler Goodlet 5b8b7d374a Add error case 2021-07-06 08:23:29 -04:00
Tyler Goodlet 9a4244b9a6 Support no arg to `Context.started()` like trio 2021-07-06 08:23:29 -04:00
Tyler Goodlet a2e2f7e7a8 Only send stop msg if not received from far end 2021-07-06 08:23:29 -04:00
Tyler Goodlet 6559fb72aa Expose msg stream types at top level 2021-07-06 08:23:29 -04:00
Tyler Goodlet e5bc07f355 Add dynamic pubsub test using new bidir stream apis 2021-07-06 08:23:29 -04:00
Tyler Goodlet e311430d25 Be more pedantic with error handling 2021-07-06 08:23:29 -04:00
Tyler Goodlet 08eb6bd019 Fix typing 2021-07-06 08:23:29 -04:00
Tyler Goodlet 98133a984e Parametrize with async for style tests 2021-07-06 08:23:29 -04:00
Tyler Goodlet 1f8966ba64 Support passing `shield` at stream contruction 2021-07-06 08:23:29 -04:00