tractor/_context.py

@@ -46,7 +46,6 @@ from dataclasses import (
 from functools import partial
 import inspect
 from pprint import pformat
-import textwrap
 from typing import (
     Any,
     AsyncGenerator,
@@ -336,7 +335,6 @@ class Context:
         extra_fields: dict[str, Any]|None = None,
         # ^-TODO-^ some built-in extra state fields
         # we'll want in some devx specific cases?
-        indent: str|None = None,
 
     ) -> str:
         ds: str = '='
@@ -356,6 +354,7 @@ class Context:
             show_error_fields=True
         )
         fmtstr: str = (
+            f'<Context(\n'
             # f'\n'
             # f'   ---\n'
             f' |_ipc: {self.dst_maddr}\n'
@@ -402,20 +401,11 @@ class Context:
                     f'   {key}{ds}{val!r}\n'
                 )
 
-        if indent:
-            fmtstr = textwrap.indent(
-                fmtstr,
-                prefix=indent,
-            )
-
         return (
-            '<Context(\n'
-            +
             fmtstr
             +
-            f'{indent})>\n'
+            ')>\n'
         )
-
     # NOTE: making this return a value that can be passed to
     # `eval()` is entirely **optional** dawggg B)
     # https://docs.python.org/3/library/functions.html#repr

tractor/_supervise.py

@@ -374,12 +374,11 @@ class ActorNursery:
 @acm
 async def _open_and_supervise_one_cancels_all_nursery(
     actor: Actor,
-    tb_hide: bool = False,
 
 ) -> typing.AsyncGenerator[ActorNursery, None]:
 
     # normally don't need to show user by default
-    __tracebackhide__: bool = tb_hide
+    __tracebackhide__: bool = True
 
     outer_err: BaseException|None = None
     inner_err: BaseException|None = None

tractor/devx/_debug.py

@@ -72,10 +72,6 @@ from tractor.to_asyncio import run_trio_task_in_future
 from tractor.log import get_logger
 from tractor._context import Context
 from tractor import _state
-from tractor._exceptions import (
-    InternalError,
-    NoRuntime,
-)
 from tractor._state import (
     current_actor,
     is_root_process,
@@ -695,14 +691,6 @@ async def lock_stdio_for_peer(
         DebugStatus.unshield_sigint()
 
 
-class DebugStateError(InternalError):
-    '''
-    Something inconsistent or unexpected happend with a sub-actor's
-    debug mutex request to the root actor.
-
-    '''
-
-
 # TODO: rename to ReplState or somethin?
 # DebugRequest, make it a singleton instance?
 class DebugStatus:
@@ -872,37 +860,20 @@ class DebugStatus:
         `trio.to_thread.run_sync()`.
 
         '''
-        try:
-            async_lib: str = sniffio.current_async_library()
-        except sniffio.AsyncLibraryNotFoundError:
-            async_lib = None
-
-        is_main_thread: bool = trio._util.is_main_thread()
-        # ^TODO, since this is private, @oremanj says
-        # we should just copy the impl for now..?
-        if is_main_thread:
-            thread_name: str = 'main'
-        else:
-            thread_name: str = threading.current_thread().name
-
         is_trio_main = (
-            is_main_thread
+            # TODO: since this is private, @oremanj says
+            # we should just copy the impl for now..
+            (is_main_thread := trio._util.is_main_thread())
             and
-            (async_lib == 'trio')
+            (async_lib := sniffio.current_async_library()) == 'trio'
         )
-
+        if (
-        report: str = f'Running thread: {thread_name!r}\n'
+            not is_trio_main
-        if async_lib:
+            and is_main_thread
-            report += (
+        ):
+            log.warning(
                 f'Current async-lib detected by `sniffio`: {async_lib}\n'
             )
-        else:
-            report += (
-                'No async-lib detected (by `sniffio`) ??\n'
-            )
-        if not is_trio_main:
-            log.warning(report)
-
         return is_trio_main
         # XXX apparently unreliable..see ^
         # (
@@ -2644,15 +2615,7 @@ def pause_from_sync(
                 bg_task: Task = current_task()
 
             # assert repl is repl
-            # assert bg_task is repl_owner
+            assert bg_task is repl_owner
-            if bg_task is not repl_owner:
-                raise DebugStateError(
-                    f'The registered bg task for this debug request is NOT its owner ??\n'
-                    f'bg_task: {bg_task}\n'
-                    f'repl_owner: {repl_owner}\n\n'
-
-                    f'{DebugStatus.repr()}\n'
-                )
 
         # NOTE: normally set inside `_enter_repl_sync()`
         DebugStatus.repl_task: str = repl_owner
@@ -2752,28 +2715,17 @@ def _post_mortem(
 
     '''
     __tracebackhide__: bool = hide_tb
-    try:
+    actor: tractor.Actor = current_actor()
-        actor: tractor.Actor = current_actor()
-        actor_repr: str = str(actor.uid)
-        # ^TODO, instead a nice runtime-info + maddr + uid?
-        # -[ ] impl a `Actor.__repr()__`??
-        #  |_ <task>:<thread> @ <actor>
-
-    except NoRuntime:
-        actor_repr: str = '<no-actor-runtime?>'
-
-    try:
-        task_repr: Task = current_task()
-    except RuntimeError:
-        task_repr: str = '<unknown-Task>'
 
     # TODO: print the actor supervion tree up to the root
     # here! Bo
     log.pdb(
         f'{_crash_msg}\n'
         f'x>(\n'
-        f' |_ {task_repr} @ {actor_repr}\n'
+        f' |_ {current_task()} @ {actor.uid}\n'
 
+        # TODO: make an `Actor.__repr()__`
+        # f'|_ {current_task()} @ {actor.name}\n'
     )
 
     # NOTE only replacing this from `pdbp.xpm()` to add the
@@ -3070,15 +3022,11 @@ def open_crash_handler(
         if type(err) not in ignore:
 
             # use our re-impl-ed version
-            try:
+            _post_mortem(
-                _post_mortem(
+                repl=mk_pdb(),
-                    repl=mk_pdb(),
+                tb=sys.exc_info()[2],
-                    tb=sys.exc_info()[2],
+                api_frame=inspect.currentframe().f_back,
-                    api_frame=inspect.currentframe().f_back,
+            )
-                )
-            except bdb.BdbQuit:
-                __tracebackhide__: bool = False
-                raise
 
             # XXX NOTE, `pdbp`'s version seems to lose the up-stack
             # tb-info?

tractor/msg/_ops.py

@@ -590,36 +590,15 @@ async def drain_to_final_msg(
         #    SHOULD NOT raise that far end error,
         # 2. WE DID NOT REQUEST that cancel and thus
         #    SHOULD RAISE HERE!
-        except trio.Cancelled as _taskc:
+        except trio.Cancelled as taskc:
-            taskc: trio.Cancelled = _taskc
-
-            # report when the cancellation wasn't (ostensibly) due to
-            # RPC operation, some surrounding parent cancel-scope.
-            if not ctx._scope.cancel_called:
-                task: trio.lowlevel.Task = trio.lowlevel.current_task()
-                rent_n: trio.Nursery = task.parent_nursery
-                if (
-                    (local_cs := rent_n.cancel_scope).cancel_called
-                ):
-                    log.cancel(
-                        'RPC-ctx cancelled by local-parent scope during drain!\n\n'
-                        f'c}}>\n'
-                        f' |_{rent_n}\n'
-                        f'   |_.cancel_scope = {local_cs}\n'
-                        f'   |_>c}}\n'
-                        f'      |_{ctx.pformat(indent=" "*9)}'
-                        # ^TODO, some (other) simpler repr here?
-                    )
-                    __tracebackhide__: bool = False
-
             # CASE 2: mask the local cancelled-error(s)
             # only when we are sure the remote error is
             # the source cause of this local task's
             # cancellation.
             ctx.maybe_raise(
                 hide_tb=hide_tb,
-                from_src_exc=taskc,
+                # TODO: when use this?
-                # ?TODO? when *should* we use this?
+                # from_src_exc=taskc,
             )
 
             # CASE 1: we DID request the cancel we simply