Add `pyperclip` as dev dep for `xonsh` clipboard interop

Submitted-in: https://www.pikers.dev/pikers/piker/pulls/38

piker/clearing/_client.py

@@ -168,7 +168,6 @@ class OrderClient(Struct):
 
 
 async def relay_orders_from_sync_code(
-
     client: OrderClient,
     symbol_key: str,
     to_ems_stream: tractor.MsgStream,
@@ -242,6 +241,11 @@ async def open_ems(
 
     async with maybe_open_emsd(
         broker,
+        # XXX NOTE, LOL so this determines the daemon `emsd` loglevel
+        # then FYI.. that's kinda wrong no?
+        # -[ ] shouldn't it be set by `pikerd -l` or no?
+        # -[ ] would make a lot more sense to have a subsys ctl for
+        #     levels.. like `-l emsd.info` or something?
         loglevel=loglevel,
     ) as portal:
 

piker/clearing/_ems.py

@@ -653,7 +653,11 @@ class Router(Struct):
             flume = feed.flumes[fqme]
             first_quote: dict = flume.first_quote
             book: DarkBook = self.get_dark_book(broker)
-            book.lasts[fqme]: float = float(first_quote['last'])
+
+            if not (last := first_quote.get('last')):
+                last: float = flume.rt_shm.array[-1]['close']
+
+            book.lasts[fqme]: float = float(last)
 
             async with self.maybe_open_brokerd_dialog(
                 brokermod=brokermod,
@@ -716,7 +720,7 @@ class Router(Struct):
             subs = self.subscribers[sub_key]
 
         sent_some: bool = False
-        for client_stream in subs:
+        for client_stream in subs.copy():
             try:
                 await client_stream.send(msg)
                 sent_some = True
@@ -1010,6 +1014,10 @@ async def translate_and_relay_brokerd_events(
                 status_msg.brokerd_msg = msg
                 status_msg.src = msg.broker_details['name']
 
+                if not status_msg.req:
+                    # likely some order change state?
+                    await tractor.pause()
+                else:
                     await router.client_broadcast(
                         status_msg.req.symbol,
                         status_msg,

piker/clearing/_paper_engine.py

@@ -297,6 +297,8 @@ class PaperBoi(Struct):
 
         # transmit pp msg to ems
         pp: Position = self.acnt.pps[bs_mktid]
+        # TODO, this will break if `require_only=True` was passed to
+        # `.update_from_ledger()`
 
         pp_msg = BrokerdPosition(
             broker=self.broker,

piker/clearing/_util.py

@@ -30,6 +30,7 @@ subsys: str = 'piker.clearing'
 
 log = get_logger(subsys)
 
+# TODO, oof doesn't this ignore the `loglevel` then???
 get_console_log = partial(
     get_console_log,
     name=subsys,

piker/data/_sampling.py

@@ -95,6 +95,12 @@ class Sampler:
     # history loading.
     incr_task_cs: trio.CancelScope | None = None
 
+    bcast_errors: tuple[Exception] = (
+        trio.BrokenResourceError,
+        trio.ClosedResourceError,
+        trio.EndOfChannel,
+    )
+
     # holds all the ``tractor.Context`` remote subscriptions for
     # a particular sample period increment event: all subscribers are
     # notified on a step.
@@ -258,14 +264,15 @@ class Sampler:
         subs: set
         last_ts, subs = pair
 
-        task = trio.lowlevel.current_task()
-        log.debug(
-            f'SUBS {self.subscribers}\n'
-            f'PAIR {pair}\n'
-            f'TASK: {task}: {id(task)}\n'
-            f'broadcasting {period_s} -> {last_ts}\n'
+        # NOTE, for debugging pub-sub issues
+        # task = trio.lowlevel.current_task()
+        # log.debug(
+        #     f'AlL-SUBS@{period_s!r}: {self.subscribers}\n'
+        #     f'PAIR: {pair}\n'
+        #     f'TASK: {task}: {id(task)}\n'
+        #     f'broadcasting {period_s} -> {last_ts}\n'
         #     f'consumers: {subs}'
-        )
+        # )
         borked: set[MsgStream] = set()
         sent: set[MsgStream] = set()
         while True:
@@ -282,12 +289,11 @@ class Sampler:
                         await stream.send(msg)
                         sent.add(stream)
 
-                    except (
-                        trio.BrokenResourceError,
-                        trio.ClosedResourceError
-                    ):
+                    except self.bcast_errors as err:
                         log.error(
-                            f'{stream._ctx.chan.uid} dropped connection'
+                            f'Connection dropped for IPC ctx\n'
+                            f'{stream._ctx}\n\n'
+                            f'Due to {type(err)}'
                         )
                         borked.add(stream)
                 else:
@@ -394,7 +400,8 @@ async def register_with_sampler(
                 finally:
                     if (
                         sub_for_broadcasts
-                        and subs
+                        and
+                        subs
                     ):
                         try:
                             subs.remove(stream)
@@ -561,8 +568,7 @@ async def open_sample_stream(
 
 
 async def sample_and_broadcast(
-
-    bus: _FeedsBus,  # noqa
+    bus: _FeedsBus,
     rt_shm: ShmArray,
     hist_shm: ShmArray,
     quote_stream: trio.abc.ReceiveChannel,
@@ -582,11 +588,33 @@ async def sample_and_broadcast(
 
     overruns = Counter()
 
+    # NOTE, only used for debugging live-data-feed issues, though
+    # this should be resolved more correctly in the future using the
+    # new typed-msgspec feats of `tractor`!
+    #
+    # XXX, a multiline nested `dict` formatter (since rn quote-msgs
+    # are just that).
+    # pfmt: Callable[[str], str] = mk_repr()
+
     # iterate stream delivered by broker
     async for quotes in quote_stream:
         # print(quotes)
 
-        # TODO: ``numba`` this!
+        # XXX WARNING XXX only enable for debugging bc ow can cost
+        # ALOT of perf with HF-feedz!!!
+        #
+        # log.info(
+        #     'Rx live quotes:\n'
+        #     f'{pfmt(quotes)}'
+        # )
+
+        # TODO,
+        # -[ ] `numba` or `cython`-nize this loop possibly?
+        #  |_alternatively could we do it in rust somehow by upacking
+        #    arrow msgs instead of using `msgspec`?
+        # -[ ] use `msgspec.Struct` support in new typed-msging from
+        #     `tractor` to ensure only allowed msgs are transmitted?
+        #
         for broker_symbol, quote in quotes.items():
             # TODO: in theory you can send the IPC msg *before* writing
             # to the sharedmem array to decrease latency, however, that
@@ -659,6 +687,21 @@ async def sample_and_broadcast(
             sub_key: str = broker_symbol.lower()
             subs: set[Sub] = bus.get_subs(sub_key)
 
+            # TODO, figure out how to make this useful whilst
+            # incoporating feed "pausing" ..
+            #
+            # if not subs:
+            #     all_bs_fqmes: list[str] = list(
+            #         bus._subscribers.keys()
+            #     )
+            #     log.warning(
+            #         f'No subscribers for {brokername!r} live-quote ??\n'
+            #         f'broker_symbol: {broker_symbol}\n\n'
+
+            #         f'Maybe the backend-sys symbol does not match one of,\n'
+            #         f'{pfmt(all_bs_fqmes)}\n'
+            #     )
+
             # NOTE: by default the broker backend doesn't append
             # it's own "name" into the fqme schema (but maybe it
             # should?) so we have to manually generate the correct
@@ -728,18 +771,14 @@ async def sample_and_broadcast(
                         if lags > 10:
                             await tractor.pause()
 
-                except (
-                    trio.BrokenResourceError,
-                    trio.ClosedResourceError,
-                    trio.EndOfChannel,
-                ):
+                except Sampler.bcast_errors as ipc_err:
                     ctx: Context = ipc._ctx
                     chan: Channel = ctx.chan
                     if ctx:
                         log.warning(
-                            'Dropped `brokerd`-quotes-feed connection:\n'
-                            f'{broker_symbol}:'
-                            f'{ctx.cid}@{chan.uid}'
+                            f'Dropped `brokerd`-feed for {broker_symbol!r} due to,\n'
+                            f'x>) {ctx.cid}@{chan.uid}'
+                            f'|_{ipc_err!r}\n\n'
                         )
                     if sub.throttle_rate:
                         assert ipc._closed
@@ -756,12 +795,11 @@ async def sample_and_broadcast(
 
 
 async def uniform_rate_send(
-
     rate: float,
     quote_stream: trio.abc.ReceiveChannel,
     stream: MsgStream,
 
-    task_status: TaskStatus = trio.TASK_STATUS_IGNORED,
+    task_status: TaskStatus[None] = trio.TASK_STATUS_IGNORED,
 
 ) -> None:
     '''
@@ -779,13 +817,16 @@ async def uniform_rate_send(
     https://gist.github.com/njsmith/7ea44ec07e901cb78ebe1dd8dd846cb9
 
     '''
-    # TODO: compute the approx overhead latency per cycle
-    left_to_sleep = throttle_period = 1/rate - 0.000616
+    # ?TODO? dynamically compute the **actual** approx overhead latency per cycle
+    # instead of this magic # bidinezz?
+    throttle_period: float = 1/rate - 0.000616
+    left_to_sleep: float = throttle_period
 
     # send cycle state
+    first_quote: dict|None
     first_quote = last_quote = None
-    last_send = time.time()
-    diff = 0
+    last_send: float = time.time()
+    diff: float = 0
 
     task_status.started()
     ticks_by_type: dict[
@@ -796,22 +837,28 @@ async def uniform_rate_send(
     clear_types = _tick_groups['clears']
 
     while True:
-
         # compute the remaining time to sleep for this throttled cycle
-        left_to_sleep = throttle_period - diff
+        left_to_sleep: float = throttle_period - diff
 
         if left_to_sleep > 0:
+            cs: trio.CancelScope
             with trio.move_on_after(left_to_sleep) as cs:
+                sym: str
+                last_quote: dict
                 try:
                     sym, last_quote = await quote_stream.receive()
                 except trio.EndOfChannel:
-                    log.exception(f"feed for {stream} ended?")
+                    log.exception(
+                        f'Live stream for feed for ended?\n'
+                        f'<=c\n'
+                        f'  |_[{stream!r}\n'
+                    )
                     break
 
-                diff = time.time() - last_send
+                diff: float = time.time() - last_send
 
                 if not first_quote:
-                    first_quote = last_quote
+                    first_quote: float = last_quote
                     # first_quote['tbt'] = ticks_by_type
 
                 if (throttle_period - diff) > 0:
@@ -872,7 +919,9 @@ async def uniform_rate_send(
         # TODO: now if only we could sync this to the display
         # rate timing exactly lul
         try:
-            await stream.send({sym: first_quote})
+            await stream.send({
+                sym: first_quote
+            })
         except tractor.RemoteActorError as rme:
             if rme.type is not tractor._exceptions.StreamOverrun:
                 raise
@@ -883,19 +932,28 @@ async def uniform_rate_send(
                 f'{sym}:{ctx.cid}@{chan.uid}'
             )
 
-        except (
-            # NOTE: any of these can be raised by ``tractor``'s IPC
+        # NOTE: any of these can be raised by `tractor`'s IPC
         # transport-layer and we want to be highly resilient
         # to consumers which crash or lose network connection.
         # I.e. we **DO NOT** want to crash and propagate up to
         # ``pikerd`` these kinds of errors!
-            trio.ClosedResourceError,
-            trio.BrokenResourceError,
+        except (
             ConnectionResetError,
-        ):
+        ) + Sampler.bcast_errors as ipc_err:
+            match ipc_err:
+                case trio.EndOfChannel():
+                    log.info(
+                        f'{stream} terminated by peer,\n'
+                        f'{ipc_err!r}'
+                    )
+                case _:
                     # if the feed consumer goes down then drop
                     # out of this rate limiter
-            log.warning(f'{stream} closed')
+                    log.warning(
+                        f'{stream} closed due to,\n'
+                        f'{ipc_err!r}'
+                    )
+
             await stream.aclose()
             return
 

piker/log.py

@@ -19,6 +19,10 @@ Log like a forester!
 """
 import logging
 import json
+import reprlib
+from typing import (
+    Callable,
+)
 
 import tractor
 from pygments import (
@@ -84,3 +88,29 @@ def colorize_json(
         # likeable styles: algol_nu, tango, monokai
         formatters.TerminalTrueColorFormatter(style=style)
     )
+
+
+# TODO, eventually defer to the version in `modden` once
+# it becomes a dep!
+def mk_repr(
+    **repr_kws,
+) -> Callable[[str], str]:
+    '''
+    Allocate and deliver a `repr.Repr` instance with provided input
+    settings using the std-lib's `reprlib` mod,
+     * https://docs.python.org/3/library/reprlib.html
+
+    ------ Ex. ------
+    An up to 6-layer-nested `dict` as multi-line:
+    - https://stackoverflow.com/a/79102479
+    - https://docs.python.org/3/library/reprlib.html#reprlib.Repr.maxlevel
+
+    '''
+    def_kws: dict[str, int] = dict(
+        indent=2,
+        maxlevel=6,  # recursion levels
+        maxstring=66,  # match editor line-len limit
+    )
+    def_kws |= repr_kws
+    reprr = reprlib.Repr(**def_kws)
+    return reprr.repr

pyproject.toml

@@ -87,9 +87,6 @@ uis = [
     "pyqt6 >=6.7.0, <7.0.0",
     "pyqtgraph",
 
-    # for consideration,
-    # - 'visidata'
-
     # TODO: add an `--only daemon` group for running non-ui / pikerd
     # service tree in distributed mode B)
     # https://docs.astral.sh/uv/concepts/projects/dependencies/#optional-dependencies
@@ -107,11 +104,19 @@ uis = [
 dev = [
     "pytest >=6.0.0, <7.0.0",
     "elasticsearch >=8.9.0, <9.0.0",
+    "cython >=3.0.0, <4.0.0",
+    "ruff>=0.9.6",
+
+    # `tractor.pause_from_sync()` support
+    "greenback >=1.1.1, <2.0.0",
+
+    # `piker.tsp/storage` console anal
+    "visidata>=3.1.1",
+
+    # @goodboy's shell Bp
     "xonsh >=0.14.2, <0.15.0",
     "prompt-toolkit ==3.0.40",
-    "cython >=3.0.0, <4.0.0",
-    "greenback >=1.1.1, <2.0.0",
-    "ruff>=0.9.6",
+    "pyperclip>=1.9.0",  # clipboard interop for `xonsh`
 ]
 
 [project.scripts]
@@ -130,4 +135,5 @@ pyqtgraph = { git = "https://github.com/pikers/pyqtgraph.git" }
 asyncvnc = { git = "https://github.com/pikers/asyncvnc.git", branch = "main" }
 tomlkit = { git = "https://github.com/pikers/tomlkit.git", branch ="piker_pin" }
 msgspec = { git = "https://github.com/jcrist/msgspec.git" }
-tractor = { path = "../tractor", editable = true }
+tractor = { git = "https://pikers.dev/goodboy/tractor", branch = "piker_pin" }
+# tractor = { path = "../tractor", editable = true }

uv.lock

@@ -1,4 +1,5 @@
 version = 1
+revision = 1
 requires-python = "==3.12.*"
 
 [[package]]
@@ -707,8 +708,10 @@ dev = [
     { name = "elasticsearch" },
     { name = "greenback" },
     { name = "prompt-toolkit" },
+    { name = "pyperclip" },
     { name = "pytest" },
     { name = "ruff" },
+    { name = "visidata" },
     { name = "xonsh" },
 ]
 
@@ -747,6 +750,7 @@ requires-dist = [
     { name = "typer", specifier = ">=0.9.0,<1.0.0" },
     { name = "websockets", specifier = "==12.0" },
 ]
+provides-extras = ["uis"]
 
 [package.metadata.requires-dev]
 dev = [
@@ -754,8 +758,10 @@ dev = [
     { name = "elasticsearch", specifier = ">=8.9.0,<9.0.0" },
     { name = "greenback", specifier = ">=1.1.1,<2.0.0" },
     { name = "prompt-toolkit", specifier = "==3.0.40" },
+    { name = "pyperclip", specifier = ">=1.9.0" },
     { name = "pytest", specifier = ">=6.0.0,<7.0.0" },
     { name = "ruff", specifier = ">=0.9.6" },
+    { name = "visidata", specifier = ">=3.1.1" },
     { name = "xonsh", specifier = ">=0.14.2,<0.15.0" },
 ]
 
@@ -888,6 +894,12 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/8a/0b/9fcc47d19c48b59121088dd6da2488a49d5f72dacf8262e2790a1d2c7d15/pygments-2.19.1-py3-none-any.whl", hash = "sha256:9ea1544ad55cecf4b8242fab6dd35a93bbce657034b0611ee383099054ab6d8c", size = 1225293 },
 ]
 
+[[package]]
+name = "pyperclip"
+version = "1.9.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/30/23/2f0a3efc4d6a32f3b63cdff36cd398d9701d26cda58e3ab97ac79fb5e60d/pyperclip-1.9.0.tar.gz", hash = "sha256:b7de0142ddc81bfc5c7507eea19da920b92252b548b96186caf94a5e2527d310", size = 20961 }
+
 [[package]]
 name = "pyqt6"
 version = "6.8.0"
@@ -1377,6 +1389,20 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/8f/eb/f7032be105877bcf924709c97b1bf3b90255b4ec251f9340cef912559f28/uvloop-0.21.0-cp312-cp312-musllinux_1_2_x86_64.whl", hash = "sha256:183aef7c8730e54c9a3ee3227464daed66e37ba13040bb3f350bc2ddc040f22f", size = 4659022 },
 ]
 
+[[package]]
+name = "visidata"
+version = "3.1.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "importlib-metadata" },
+    { name = "python-dateutil" },
+    { name = "windows-curses", marker = "sys_platform == 'win32'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/6c/41/b026336b7075a2c8461c1ba0dfffd456902f736722f4a016f21fee1e6d7c/visidata-3.1.1.tar.gz", hash = "sha256:8c4484158f0851e4887e595542bd65bdd991de9c20652b442b3fd9742ce8b031", size = 13166704 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/56/60/5026e693dbd4c38d2d13a697aa61846a6791bd6131e8a84c8aa61c0d5180/visidata-3.1.1-py3-none-any.whl", hash = "sha256:903d8bff23df18c794499bee2a653bdeff3a48f899638656287c704ceca63e8b", size = 526914 },
+]
+
 [[package]]
 name = "wcwidth"
 version = "0.2.13"
@@ -1406,6 +1432,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/79/4d/9cc401e7b07e80532ebc8c8e993f42541534da9e9249c59ee0139dcb0352/websockets-12.0-py3-none-any.whl", hash = "sha256:dc284bbc8d7c78a6c69e0c7325ab46ee5e40bb4d50e494d8131a07ef47500e9e", size = 118370 },
 ]
 
+[[package]]
+name = "windows-curses"
+version = "2.4.1"
+source = { registry = "https://pypi.org/simple" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/f4/99/60f34e51514c82631aa5c6d21eab88ce1701562de9844608411e39462a46/windows_curses-2.4.1-cp312-cp312-win32.whl", hash = "sha256:bdbe7d58747408aef8a9128b2654acf6fbd11c821b91224b9a046faba8c6b6ca", size = 71489 },
+    { url = "https://files.pythonhosted.org/packages/62/8f/d908bcab1954375b156a9300fa86ceccb110f39457cd6fd59c72777626ab/windows_curses-2.4.1-cp312-cp312-win_amd64.whl", hash = "sha256:5c9c2635faf171a229caca80e1dd760ab00db078e2a285ba2f667bbfcc31777c", size = 81777 },
+]
+
 [[package]]
 name = "wrapt"
 version = "1.17.2"