Tweaks to debugger examples

Light stuff like comments, typing, and a couple API usage updates.

examples/debugging/multi_daemon_subactors.py

@@ -4,9 +4,15 @@ import trio
 
 async def breakpoint_forever():
     "Indefinitely re-enter debugger in child actor."
+    try:
         while True:
             yield 'yo'
             await tractor.breakpoint()
+    except BaseException:
+        tractor.log.get_console_log().exception(
+            'Cancelled while trying to enter pause point!'
+        )
+        raise
 
 
 async def name_error():
@@ -19,7 +25,7 @@ async def main():
     """
     async with tractor.open_nursery(
         debug_mode=True,
-        loglevel='error',
+        loglevel='cancel',
     ) as n:
 
         p0 = await n.start_actor('bp_forever', enable_modules=[__name__])

examples/debugging/multi_nested_subactors_error_up_through_nurseries.py

@@ -45,6 +45,7 @@ async def spawn_until(depth=0):
             )
 
 
+# TODO: notes on the new boxed-relayed errors through proxy actors
 async def main():
     """The main ``tractor`` routine.
 

examples/debugging/per_actor_debug.py

@@ -23,5 +23,6 @@ async def main():
             n.start_soon(debug_actor.run, die)
             n.start_soon(crash_boi.run, die)
 
+
 if __name__ == '__main__':
     trio.run(main)

examples/debugging/root_actor_breakpoint_forever.py

@@ -2,10 +2,13 @@ import trio
 import tractor
 
 
-async def main():
+async def main(
+    registry_addrs: tuple[str, int]|None = None
+):
 
     async with tractor.open_root_actor(
         debug_mode=True,
+        # loglevel='runtime',
     ):
         while True:
             await tractor.breakpoint()

examples/debugging/subactor_error.py

@@ -3,16 +3,26 @@ import tractor
 
 
 async def name_error():
-    getattr(doggypants)
+    getattr(doggypants)  # noqa (on purpose)
 
 
 async def main():
     async with tractor.open_nursery(
         debug_mode=True,
-    ) as n:
+        # loglevel='transport',
+    ) as an:
 
-        portal = await n.run_in_actor(name_error)
-        await portal.result()
+        # TODO: ideally the REPL arrives at this frame in the parent,
+        # ABOVE the @api_frame of `Portal.run_in_actor()` (which
+        # should eventually not even be a portal method ... XD)
+        # await tractor.pause()
+        p: tractor.Portal = await an.run_in_actor(name_error)
+
+        # with this style, should raise on this line
+        await p.result()
+
+        # with this alt style should raise at `open_nusery()`
+        # return await p.result()
 
 
 if __name__ == '__main__':

examples/debugging/sync_bp.py

@@ -7,7 +7,7 @@ def sync_pause(
     error: bool = False,
 ):
     if use_builtin:
-        breakpoint()
+        breakpoint(hide_tb=False)
 
     else:
         tractor.pause_from_sync()
@@ -20,18 +20,20 @@ def sync_pause(
 async def start_n_sync_pause(
     ctx: tractor.Context,
 ):
-    # sync to requesting peer
+    actor: tractor.Actor = tractor.current_actor()
+
+    # sync to parent-side task
     await ctx.started()
 
-    actor: tractor.Actor = tractor.current_actor()
     print(f'entering SYNC PAUSE in {actor.uid}')
     sync_pause()
     print(f'back from SYNC PAUSE in {actor.uid}')
 
 
 async def main() -> None:
-
     async with tractor.open_nursery(
+        # NOTE: required for pausing from sync funcs
+        maybe_enable_greenback=True,
         debug_mode=True,
     ) as an: