Add holiday-gap detection via `exchange_calendars`

Integrate `exchange_calendars` lib to detect market holidays in
gap-checking logic via new `.ib.venues.has_holiday()` helper!

The `.ib.venues` impl deats,
- add  a new `has_holiday()` using `xcals.get_calendar()` and friends
  for sanity checking a venue's holiday closure-gaps.
  * final holiday detection-check is basically,
   `(cash_gap := (next_open - prev_close)) > period`
- include `time_step_s` param to `is_venue_closure()` for boundary
  tolerance checks.
  * let's us expand closure-time checks to include `+/-time_step_s`
    "off-by-one-`timeframe`-sample" edge case ranges.
- add real docstring to `has_weekend()`.

In `.ib.api` refine usage for ^ changes,
- move `is_venue_open()` call + tz-convert outside gap check
- use a walrus to capture `has_closure_gap` from `is_venue_closure()`
- add a `not has_closure_gap` condition to the
  mismatched-duration/short-frame warning block to avoid needless warns.
- keep duration-based "short-frame" log as `.error()` but toss in a bp
  so (somone can) umask to figure out wtf is going on..
  * we should **never** really hit this path unless there's a valid bug
    or data issue with IB/GFIS!
  * keep recursion path masked-out just leave a `breakpoint()` for now.

Also some logger updates,
- import `get_logger()` from top-level `piker.log` vs `.ib._util` which
  was always kinda wrong..
- change `NonShittyIB._logger` to use `__name__` vs literal.

(this commit msg was generated in some part by [`claude-code`][claude-code-gh])
[claude-code-gh]: https://github.com/anthropics/claude-code

piker/accounting/__init__.py

@@ -19,8 +19,10 @@
 for tendiez.
 
 '''
-from ..log import get_logger
+from piker.log import (
-
+    get_console_log,
+    get_logger,
+)
 from .calc import (
     iter_by_dt,
 )
@@ -51,7 +53,17 @@ from ._allocate import (
 
 
 log = get_logger(__name__)
+# ?TODO, enable console on import
+# [ ] necessary? or `open_brokerd_dialog()` doing it is sufficient?
+#
+# bc might as well enable whenev imported by
+# other sub-sys code (namely `.clearing`).
+get_console_log(
+    level='warning',
+    name=__name__,
+)
 
+# TODO, the `as <samename>` style?
 __all__ = [
     'Account',
     'Allocator',

piker/accounting/_pos.py

@@ -60,12 +60,16 @@ from ..clearing._messages import (
     BrokerdPosition,
 )
 from piker.types import Struct
-from piker.log import get_logger
+from piker.log import (
+    get_logger,
+)
 
 if TYPE_CHECKING:
     from piker.data._symcache import SymbologyCache
 
-log = get_logger(__name__)
+log = get_logger(
+    name=__name__,
+)
 
 
 class Position(Struct):

piker/accounting/cli.py

@@ -21,7 +21,6 @@ CLI front end for trades ledger and position tracking management.
 from __future__ import annotations
 from pprint import pformat
 
-
 from rich.console import Console
 from rich.markdown import Markdown
 import polars as pl
@@ -29,7 +28,10 @@ import tractor
 import trio
 import typer
 
-from ..log import get_logger
+from piker.log import (
+    get_console_log,
+    get_logger,
+)
 from ..service import (
     open_piker_runtime,
 )
@@ -45,6 +47,7 @@ from .calc import (
     open_ledger_dfs,
 )
 
+log = get_logger(name=__name__)
 
 ledger = typer.Typer()
 
@@ -79,7 +82,10 @@ def sync(
         "-l",
     ),
 ):
-    log = get_logger(loglevel)
+    log = get_console_log(
+        level=loglevel,
+        name=__name__,
+    )
     console = Console()
 
     pair: tuple[str, str]

piker/brokers/__init__.py

@@ -25,15 +25,16 @@ from types import ModuleType
 
 from tractor.trionics import maybe_open_context
 
+from piker.log import (
+    get_logger,
+)
 from ._util import (
-    log,
     BrokerError,
     SymbolNotFound,
     NoData,
     DataUnavailable,
     DataThrottle,
     resproc,
-    get_logger,
 )
 
 __all__: list[str] = [
@@ -43,7 +44,6 @@ __all__: list[str] = [
     'DataUnavailable',
     'DataThrottle',
     'resproc',
-    'get_logger',
 ]
 
 __brokers__: list[str] = [
@@ -65,6 +65,10 @@ __brokers__: list[str] = [
     # bitso
 ]
 
+log = get_logger(
+    name=__name__,
+)
+
 
 def get_brokermod(brokername: str) -> ModuleType:
     '''

piker/brokers/_daemon.py

@@ -33,12 +33,18 @@ import exceptiongroup as eg
 import tractor
 import trio
 
+from piker.log import (
+    get_logger,
+    get_console_log,
+)
 from . import _util
 from . import get_brokermod
 
 if TYPE_CHECKING:
     from ..data import _FeedsBus
 
+log = get_logger(name=__name__)
+
 # `brokerd` enabled modules
 # TODO: move this def to the `.data` subpkg..
 # NOTE: keeping this list as small as possible is part of our caps-sec
@@ -72,13 +78,14 @@ async def _setup_persistent_brokerd(
     # since all hosted daemon tasks will reference this same
     # log instance's (actor local) state and thus don't require
     # any further (level) configuration on their own B)
-    log = _util.get_console_log(
+    actor: tractor.Actor = tractor.current_actor()
-        loglevel or tractor.current_actor().loglevel,
+    tll: str = actor.loglevel
+    log = get_console_log(
+        level=loglevel or tll,
         name=f'{_util.subsys}.{brokername}',
+        with_tractor_log=bool(tll),
     )
-
+    assert log.name == _util.subsys
-    # set global for this actor to this new process-wide instance B)
-    _util.log = log
 
     # further, set the log level on any broker broker specific
     # logger instance.
@@ -97,7 +104,7 @@ async def _setup_persistent_brokerd(
     # NOTE: see ep invocation details inside `.data.feed`.
     try:
         async with (
-            tractor.trionics.collapse_eg(),
+            # tractor.trionics.collapse_eg(),
             trio.open_nursery() as service_nursery
         ):
             bus: _FeedsBus = feed.get_feed_bus(
@@ -193,7 +200,6 @@ def broker_init(
 
 
 async def spawn_brokerd(
-
     brokername: str,
     loglevel: str | None = None,
 
@@ -201,8 +207,10 @@ async def spawn_brokerd(
 
 ) -> bool:
 
-    from piker.service._util import log  # use service mngr log
+    log.info(
-    log.info(f'Spawning {brokername} broker daemon')
+        f'Spawning broker-daemon,\n'
+        f'backend: {brokername!r}'
+    )
 
     (
         brokermode,
@@ -264,6 +272,11 @@ async def maybe_spawn_brokerd(
     '''
     from piker.service import maybe_spawn_daemon
 
+    # if (
+    #     loglevel != 'info'
+    # ):
+    #     await tractor.pause()
+
     async with maybe_spawn_daemon(
 
         f'brokerd.{brokername}',

piker/brokers/_util.py

@@ -19,15 +19,13 @@ Handy cross-broker utils.
 
 """
 from __future__ import annotations
-from functools import partial
+# from functools import partial
 
 import json
 import httpx
 import logging
 
-from ..log import (
+from piker.log import (
-    get_logger,
-    get_console_log,
     colorize_json,
 )
 subsys: str = 'piker.brokers'
@@ -35,12 +33,22 @@ subsys: str = 'piker.brokers'
 # NOTE: level should be reset by any actor that is spawned
 # as well as given a (more) explicit name/key such
 # as `piker.brokers.binance` matching the subpkg.
-log = get_logger(subsys)
+# log = get_logger(subsys)
 
-get_console_log = partial(
+# ?TODO?? we could use this approach, but we need to be able
-    get_console_log,
+# to pass multiple `name=` values so for example we can include the
-    name=subsys,
+# emissions in `.accounting._pos` and others!
-)
+# [ ] maybe we could do the `log = get_logger()` above,
+# then cycle through the list of subsys mods we depend on
+# and then get all their loggers and pass them to
+# `get_console_log(logger=)`??
+# [ ] OR just write THIS `get_console_log()` as a hook which does
+# that based on who calls it?.. i dunno
+#
+# get_console_log = partial(
+#     get_console_log,
+#     name=subsys,
+# )
 
 
 class BrokerError(Exception):

piker/brokers/binance/broker.py

@@ -37,8 +37,9 @@ import trio
 from piker.accounting import (
     Asset,
 )
-from piker.brokers._util import (
+from piker.log import (
     get_logger,
+    get_console_log,
 )
 from piker.data._web_bs import (
     open_autorecon_ws,
@@ -69,7 +70,9 @@ from .venues import (
 )
 from .api import Client
 
-log = get_logger('piker.brokers.binance')
+log = get_logger(
+    name=__name__,
+)
 
 
 # Fee schedule template, mostly for paper engine fees modelling.
@@ -245,9 +248,16 @@ async def handle_order_requests(
 @tractor.context
 async def open_trade_dialog(
     ctx: tractor.Context,
+    loglevel: str = 'warning',
 
 ) -> AsyncIterator[dict[str, Any]]:
 
+    # enable piker.clearing console log for *this* `brokerd` subactor
+    get_console_log(
+        level=loglevel,
+        name=__name__,
+    )
+
     # TODO: how do we set this from the EMS such that
     # positions are loaded from the correct venue on the user
     # stream at startup? (that is in an attempt to support both

piker/brokers/binance/feed.py

@@ -64,9 +64,9 @@ from piker.data._web_bs import (
     open_autorecon_ws,
     NoBsWs,
 )
+from piker.log import get_logger
 from piker.brokers._util import (
     DataUnavailable,
-    get_logger,
 )
 
 from .api import (
@@ -78,7 +78,7 @@ from .venues import (
     get_api_eps,
 )
 
-log = get_logger('piker.brokers.binance')
+log = get_logger(name=__name__)
 
 
 class L1(Struct):
@@ -275,9 +275,15 @@ async def open_history_client(
                     f'{times}'
                 )
 
+            # XXX, debug any case where the latest 1m bar we get is
+            # already another "sample's-step-old"..
             if end_dt is None:
                 inow: int = round(time.time())
-                if (inow - times[-1]) > 60:
+                if (
+                    _time_step := (inow - times[-1])
+                    >
+                    timeframe * 2
+                ):
                     await tractor.pause()
 
             start_dt = from_timestamp(times[0])

piker/brokers/cli.py

@@ -27,14 +27,12 @@ import click
 import trio
 import tractor
 
-from ..cli import cli
+from piker.cli import cli
-from .. import watchlists as wl
+from piker import watchlists as wl
-from ..log import (
+from piker.log import (
     colorize_json,
-)
-from ._util import (
-    log,
     get_console_log,
+    get_logger,
 )
 from ..service import (
     maybe_spawn_brokerd,
@@ -45,12 +43,15 @@ from ..brokers import (
     get_brokermod,
     data,
 )
-DEFAULT_BROKER = 'binance'
 
+log = get_logger(
+    name=__name__,
+)
+
+DEFAULT_BROKER = 'binance'
 _config_dir = click.get_app_dir('piker')
 _watchlists_data_path = os.path.join(_config_dir, 'watchlists.json')
 
-
 OK = '\033[92m'
 WARNING = '\033[93m'
 FAIL = '\033[91m'
@@ -345,7 +346,10 @@ def contracts(ctx, loglevel, broker, symbol, ids):
 
     '''
     brokermod = get_brokermod(broker)
-    get_console_log(loglevel)
+    get_console_log(
+        level=loglevel,
+        name=__name__,
+    )
 
     contracts = trio.run(partial(core.contracts, brokermod, symbol))
     if not ids:
@@ -477,11 +481,12 @@ def search(
     # the `piker --pdb` XD ..
     # -[ ] pull from the parent click ctx's values..dumdum
     # assert pdb
+    loglevel: str = config['loglevel']
 
     # define tractor entrypoint
     async def main(func):
         async with maybe_open_pikerd(
-            loglevel=config['loglevel'],
+            loglevel=loglevel,
             debug_mode=pdb,
         ):
             return await func()
@@ -494,6 +499,7 @@ def search(
                 core.symbol_search,
                 brokermods,
                 pattern,
+                loglevel=loglevel,
             ),
         )
 

piker/brokers/core.py

@@ -28,12 +28,14 @@ from typing import (
 
 import trio
 
-from ._util import log
+from piker.log import get_logger
 from . import get_brokermod
 from ..service import maybe_spawn_brokerd
 from . import open_cached_client
 from ..accounting import MktPair
 
+log = get_logger(name=__name__)
+
 
 async def api(brokername: str, methname: str, **kwargs) -> dict:
     '''
@@ -147,6 +149,7 @@ async def search_w_brokerd(
 async def symbol_search(
     brokermods: list[ModuleType],
     pattern: str,
+    loglevel: str = 'warning',
     **kwargs,
 
 ) -> dict[str, dict[str, dict[str, Any]]]:
@@ -176,6 +179,7 @@ async def symbol_search(
                 '_infect_asyncio',
                 False,
             ),
+            loglevel=loglevel
         ) as portal:
 
             results.append((

piker/brokers/data.py

@@ -41,12 +41,15 @@ import tractor
 from tractor.experimental import msgpub
 from async_generator import asynccontextmanager
 
-from ._util import (
+from piker.log import(
-    log,
+    get_logger,
     get_console_log,
 )
 from . import get_brokermod
 
+log = get_logger(
+    name='piker.brokers.binance',
+)
 
 async def wait_for_network(
     net_func: Callable,
@@ -243,7 +246,10 @@ async def start_quote_stream(
 
     '''
     # XXX: why do we need this again?
-    get_console_log(tractor.current_actor().loglevel)
+    get_console_log(
+        level=tractor.current_actor().loglevel,
+        name=__name__,
+    )
 
     # pull global vars from local actor
     symbols = list(symbols)

piker/brokers/ib/_util.py

@@ -34,13 +34,13 @@ import subprocess
 
 import tractor
 
-from piker.brokers._util import get_logger
+from piker.log import get_logger
 
 if TYPE_CHECKING:
     from .api import Client
     import i3ipc
 
-log = get_logger('piker.brokers.ib')
+log = get_logger(name=__name__)
 
 _reset_tech: Literal[
     'vnc',
@@ -250,7 +250,9 @@ async def vnc_click_hack(
         'connection': 'r'
     }[reset_type]
 
-    with tractor.devx.open_crash_handler():
+    with tractor.devx.open_crash_handler(
+        ignore={TimeoutError,},
+    ):
         client = await AsyncVNCClient.connect(
             VNCConfig(
                 host=host,
@@ -324,14 +326,20 @@ def i3ipc_fin_wins_titled(
     )
 
 
-
 def i3ipc_xdotool_manual_click_hack() -> None:
     '''
     Do the data reset hack but expecting a local X-window using `xdotool`.
 
     '''
     focussed, matches = i3ipc_fin_wins_titled()
+    try:
         orig_win_id = focussed.window
+    except AttributeError:
+        # XXX if .window cucks we prolly aren't intending to
+        # use this and/or just woke up from suspend..
+        log.exception('xdotool invalid usage ya ??\n')
+        return
+
     try:
         for name, con in matches:
             print(f'Resetting data feed for {name}')
@@ -379,99 +387,3 @@ def i3ipc_xdotool_manual_click_hack() -> None:
         ])
     except subprocess.TimeoutExpired:
         log.exception('xdotool timed out?')
-
-
-
-def is_current_time_in_range(
-    start_dt: datetime,
-    end_dt: datetime,
-) -> bool:
-    '''
-    Check if current time is within the datetime range.
-
-    Use any/the-same timezone as provided by `start_dt.tzinfo` value
-    in the range.
-
-    '''
-    now: datetime = datetime.now(start_dt.tzinfo)
-    return start_dt <= now <= end_dt
-
-
-# TODO, put this into `._util` and call it from here!
-#
-# NOTE, this was generated by @guille from a gpt5 prompt
-# and was originally thot to be needed before learning about
-# `ib_insync.contract.ContractDetails._parseSessions()` and
-# it's downstream meths..
-#
-# This is still likely useful to keep for now to parse the
-# `.tradingHours: str` value manually if we ever decide
-# to move off `ib_async` and implement our own `trio`/`anyio`
-# based version Bp
-#
-# >attempt to parse the retarted ib "time stampy thing" they
-# >do for "venue hours" with this.. written by
-# >gpt5-"thinking",
-#
-
-
-def parse_trading_hours(
-    spec: str,
-    tz: TzInfo|None = None
-) -> dict[
-    date,
-    tuple[datetime, datetime]
-]|None:
-    '''
-    Parse venue hours like:
-    'YYYYMMDD:HHMM-YYYYMMDD:HHMM;YYYYMMDD:CLOSED;...'
-
-    Returns `dict[date] = (open_dt, close_dt)` or `None` if
-    closed.
-
-    '''
-    if (
-        not isinstance(spec, str)
-        or
-        not spec
-    ):
-        raise ValueError('spec must be a non-empty string')
-
-    out: dict[
-        date,
-        tuple[datetime, datetime]
-    ]|None = {}
-
-    for part in (p.strip() for p in spec.split(';') if p.strip()):
-        if part.endswith(':CLOSED'):
-            day_s, _ = part.split(':', 1)
-            d = datetime.strptime(day_s, '%Y%m%d').date()
-            out[d] = None
-            continue
-
-        try:
-            start_s, end_s = part.split('-', 1)
-            start_dt = datetime.strptime(start_s, '%Y%m%d:%H%M')
-            end_dt = datetime.strptime(end_s, '%Y%m%d:%H%M')
-        except ValueError as exc:
-            raise ValueError(f'invalid segment: {part}') from exc
-
-        if tz is not None:
-            start_dt = start_dt.replace(tzinfo=tz)
-            end_dt = end_dt.replace(tzinfo=tz)
-
-        out[start_dt.date()] = (start_dt, end_dt)
-
-    return out
-
-
-# ORIG desired usage,
-#
-# TODO, for non-drunk tomorrow,
-# - call above fn and check that `output[today] is not None`
-# trading_hrs: dict = parse_trading_hours(
-#     details.tradingHours
-# )
-# liq_hrs: dict = parse_trading_hours(
-#     details.liquidHours
-    # )

piker/brokers/ib/api.py

@@ -50,10 +50,11 @@ import tractor
 from tractor import to_asyncio
 from tractor import trionics
 from pendulum import (
-    from_timestamp,
     DateTime,
     Duration,
     duration as mk_duration,
+    from_timestamp,
+    Interval,
 )
 from eventkit import Event
 from ib_insync import (
@@ -91,10 +92,15 @@ from .symbols import (
     _exch_skip_list,
     _futes_venues,
 )
-from ._util import (
+from ...log import get_logger
-    log,
+from .venues import (
-    # only for the ib_sync internal logging
+    is_venue_open,
-    get_logger,
+    sesh_times,
+    is_venue_closure,
+)
+
+log = get_logger(
+    name=__name__,
 )
 
 _bar_load_dtype: list[tuple[str, type]] = [
@@ -180,7 +186,7 @@ class NonShittyIB(IB):
         # override `ib_insync` internal loggers so we can see wtf
         # it's doing..
         self._logger = get_logger(
-            'ib_insync.ib',
+            name=__name__,
         )
         self._createEvents()
 
@@ -188,7 +194,7 @@ class NonShittyIB(IB):
         self.wrapper = NonShittyWrapper(self)
         self.client = ib_client.Client(self.wrapper)
         self.client._logger = get_logger(
-            'ib_insync.client',
+            name='ib_insync.client',
         )
 
         # self.errorEvent += self._onError
@@ -260,6 +266,16 @@ def remove_handler_on_err(
         event.disconnect(handler)
 
 
+# (originally?) i thot that,
+# > "EST in ISO 8601 format is required.."
+#
+# XXX, but see `ib_async`'s impl,
+# - `ib_async.ib.IB.reqHistoricalDataAsync()`
+# - `ib_async.util.formatIBDatetime()`
+# below is EPOCH.
+_iso8601_epoch_in_est: str = "1970-01-01T00:00:00.000000-05:00"
+
+
 class Client:
     '''
     IB wrapped for our broker backend API.
@@ -333,9 +349,11 @@ class Client:
         self,
         fqme: str,
 
-        # EST in ISO 8601 format is required... below is EPOCH
+        # EST in ISO 8601 format is required..
-        start_dt: datetime|str = "1970-01-01T00:00:00.000000-05:00",
+        # XXX, see `ib_async.ib.IB.reqHistoricalDataAsync()`
-        end_dt: datetime|str = "",
+        # below is EPOCH.
+        start_dt: datetime|None = None,  # _iso8601_epoch_in_est,
+        end_dt: datetime|None = None,
 
         # ohlc sample period in seconds
         sample_period_s: int = 1,
@@ -346,9 +364,17 @@ class Client:
 
         **kwargs,
 
-    ) -> tuple[BarDataList, np.ndarray, Duration]:
+    ) -> tuple[
+        BarDataList,
+        np.ndarray,
+        Duration,
+    ]:
         '''
-        Retreive OHLCV bars for a fqme over a range to the present.
+        Retreive the `fqme`'s OHLCV-bars for the time-range "until `end_dt`".
+
+        Notes:
+        - IB's api doesn't support a `start_dt` (which is why default
+          is null) so we only use it for bar-frame duration checking.
 
         '''
         # See API docs here:
@@ -363,13 +389,19 @@ class Client:
 
         dt_duration: Duration = (
             duration
-            or default_dt_duration
+            or
+            default_dt_duration
         )
 
         # TODO: maybe remove all this?
         global _enters
-        if not end_dt:
+        if end_dt is None:
-            end_dt = ''
+            end_dt: str = ''
+
+        else:
+            est_end_dt = end_dt.in_tz('EST')
+            if est_end_dt != end_dt:
+                breakpoint()
 
         _enters += 1
 
@@ -438,58 +470,116 @@ class Client:
                 + query_info
             )
 
-            # TODO: we could maybe raise ``NoData`` instead if we
+            # TODO: we could maybe raise `NoData` instead if we
             # rewrite the method in the first case?
             # right now there's no way to detect a timeout..
             return [], np.empty(0), dt_duration
 
         log.info(query_info)
+
+        # ------ GAP-DETECTION ------
         # NOTE XXX: ensure minimum duration in bars?
         # => recursively call this method until we get at least as
         #   many bars such that they sum in aggregate to the the
         #   desired total time (duration) at most.
         #  - if you query over a gap and get no data
         #    that may short circuit the history
-        if (
+        if end_dt:
-            # XXX XXX XXX
-            # => WHY DID WE EVEN NEED THIS ORIGINALLY!? <=
-            # XXX XXX XXX
-            False
-            and end_dt
-        ):
             nparr: np.ndarray = bars_to_np(bars)
             times: np.ndarray = nparr['time']
             first: float = times[0]
-            tdiff: float = times[-1] - first
+            last: float = times[-1]
+            # frame_dur: float = times[-1] - first
+
+            details: ContractDetails = (
+                await self.ib.reqContractDetailsAsync(contract)
+            )[0]
+            # convert to makt-native tz
+            tz: str = details.timeZoneId
+            end_dt = end_dt.in_tz(tz)
+            first_dt: DateTime = from_timestamp(first).in_tz(tz)
+            last_dt: DateTime = from_timestamp(last).in_tz(tz)
+            tdiff: int = (
+                last_dt
+                -
+                first_dt
+            ).in_seconds() + sample_period_s
+            _open_now: bool = is_venue_open(
+                con_deats=details,
+            )
+
+            # XXX, do gap detections.
+            has_closure_gap: bool = False
+            if (
+                last_dt.add(seconds=sample_period_s)
+                <
+                end_dt
+            ):
+                open_time, close_time = sesh_times(details)
+                # XXX, always calc gap in mkt-venue-local timezone
+                gap: Interval = end_dt - last_dt
+                if not (
+                    has_closure_gap := is_venue_closure(
+                    gap=gap,
+                    con_deats=details,
+                    time_step_s=sample_period_s,
+                )):
+                    log.warning(
+                        f'Invalid non-closure gap for {fqme!r} ?!?\n'
+                        f'is-open-now: {_open_now}\n'
+                        f'\n'
+                        f'{gap}\n'
+                    )
+                    log.warning(
+                        f'Detected NON venue-closure GAP ??\n'
+                        f'{gap}\n'
+                    )
+                    breakpoint()
+                else:
+                    assert has_closure_gap
+                    log.debug(
+                        f'Detected venue closure gap (weekend),\n'
+                        f'{gap}\n'
+                    )
 
             if (
-                # len(bars) * sample_period_s) < dt_duration.in_seconds()
+                start_dt is None
-                tdiff < dt_duration.in_seconds()
+                and (
-                # and False
+                    tdiff
+                    <
+                    dt_duration.in_seconds()
+                )
+                and
+                not has_closure_gap
             ):
-                end_dt: DateTime = from_timestamp(first)
+                log.error(
-                log.warning(
                     f'Frame result was shorter then {dt_duration}!?\n'
-                    'Recursing for more bars:\n'
                     f'end_dt: {end_dt}\n'
                     f'dt_duration: {dt_duration}\n'
+                    # f'\n'
+                    # f'Recursing for more bars:\n'
                 )
-                (
+                # XXX, debug!
-                    r_bars,
+                breakpoint()
-                    r_arr,
+                # XXX ? TODO? recursively try to re-request?
-                    r_duration,
+                # => i think *NO* right?
-                ) = await self.bars(
+                #
-                    fqme,
+                # (
-                    start_dt=start_dt,
+                #     r_bars,
-                    end_dt=end_dt,
+                #     r_arr,
-                    sample_period_s=sample_period_s,
+                #     r_duration,
+                # ) = await self.bars(
+                #     fqme,
+                #     start_dt=start_dt,
+                #     end_dt=end_dt,
+                #     sample_period_s=sample_period_s,
 
-                    # TODO: make a table for Duration to
+                #     # TODO: make a table for Duration to
-                    # the ib str values in order to use this?
+                #     # the ib str values in order to use this?
-                    # duration=duration,
+                #     # duration=duration,
-                )
+                # )
-                r_bars.extend(bars)
+                # r_bars.extend(bars)
-                bars = r_bars
+                # bars = r_bars
 
         nparr: np.ndarray = bars_to_np(bars)
 
@@ -784,9 +874,16 @@ class Client:
         # crypto$
         elif exch == 'PAXOS':  # btc.paxos
             con = Crypto(
-                symbol=symbol,
+                symbol=symbol.upper(),
-                currency=currency,
+                currency='USD',
+                exchange='PAXOS',
             )
+            # XXX, on `ib_insync` when first tried this,
+            # > Error 10299, reqId 141: Expected what to show is
+            # > AGGTRADES, please use that instead of TRADES.,
+            # > contract: Crypto(conId=479624278, symbol='BTC',
+            # > exchange='PAXOS', currency='USD',
+            # > localSymbol='BTC.USD', tradingClass='BTC')
 
         # stonks
         else:
@@ -1187,7 +1284,7 @@ async def load_aio_clients(
     # the API TCP in `ib_insync` connection can be flaky af so instead
     # retry a few times to get the client going..
     connect_retries: int = 3,
-    connect_timeout: float = 10,
+    connect_timeout: float = 30,  # in case a remote-host
     disconnect_on_exit: bool = True,
 
 ) -> dict[str, Client]:

piker/brokers/ib/broker.py

@@ -50,6 +50,10 @@ from ib_insync.objects import (
 )
 
 from piker import config
+from piker.log import (
+    get_logger,
+    get_console_log,
+)
 from piker.types import Struct
 from piker.accounting import (
     Position,
@@ -77,7 +81,6 @@ from piker.clearing._messages import (
     BrokerdFill,
     BrokerdError,
 )
-from ._util import log
 from .api import (
     _accounts2clients,
     get_config,
@@ -95,6 +98,10 @@ from .ledger import (
     update_ledger_from_api_trades,
 )
 
+log = get_logger(
+    name=__name__,
+)
+
 
 def pack_position(
     pos: IbPosition,
@@ -536,9 +543,15 @@ class IbAcnt(Struct):
 @tractor.context
 async def open_trade_dialog(
     ctx: tractor.Context,
+    loglevel: str = 'warning',
 
 ) -> AsyncIterator[dict[str, Any]]:
 
+    get_console_log(
+        level=loglevel,
+        name=__name__,
+    )
+
     # task local msg dialog tracking
     flows = OrderDialogs()
     accounts_def = config.load_accounts(['ib'])

piker/brokers/ib/feed.py

@@ -56,11 +56,11 @@ from piker.brokers._util import (
     NoData,
     DataUnavailable,
 )
+from piker.log import get_logger
 from .api import (
     # _adhoc_futes_set,
     Client,
     con2fqme,
-    log,
     load_aio_clients,
     MethodProxy,
     open_client_proxies,
@@ -69,15 +69,18 @@ from .api import (
     Contract,
     RequestError,
 )
+from .venues import is_venue_open
 from ._util import (
     data_reset_hack,
-    is_current_time_in_range,
 )
 from .symbols import get_mkt_info
 
 if TYPE_CHECKING:
     from trio._core._run import Task
 
+log = get_logger(
+    name=__name__,
+)
 
 # XXX NOTE: See available types table docs:
 # https://interactivebrokers.github.io/tws-api/tick_types.html
@@ -203,7 +206,8 @@ async def open_history_client(
             latency = time.time() - query_start
             if (
                 not timedout
-                # and latency <= max_timeout
+                # and
+                # latency <= max_timeout
             ):
                 count += 1
                 mean += latency / count
@@ -219,8 +223,10 @@ async def open_history_client(
                 )
                 if (
                     end_dt
-                    and head_dt
+                    and
-                    and end_dt <= head_dt
+                    head_dt
+                    and
+                    end_dt <= head_dt
                 ):
                     raise DataUnavailable(
                         f'First timestamp is {head_dt}\n'
@@ -262,12 +268,43 @@ async def open_history_client(
             vlm = bars_array['volume']
             vlm[vlm < 0] = 0
 
-            return bars_array, first_dt, last_dt
+            # XXX, if a start-limit was passed ensure we only
+            # return history that far back!
+            if (
+                start_dt
+                and
+                first_dt < start_dt
+            ):
+                trimmed_bars = bars_array[
+                    bars_array['time'] >= start_dt.timestamp()
+                ]
+                if (
+                    trimmed_first_dt := from_timestamp(trimmed_bars['time'][0])
+                    !=
+                    start_dt
+                ):
+                    # TODO! rm this once we're more confident it never hits!
+                    # breakpoint()
+                    raise RuntimeError(
+                        f'OHLC-bars array start is gt `start_dt` limit !!\n'
+                        f'start_dt: {start_dt}\n'
+                        f'first_dt: {first_dt}\n'
+                        f'trimmed_first_dt: {trimmed_first_dt}\n'
+                    )
+
+                # XXX, overwrite with start_dt-limited frame
+                bars_array = trimmed_bars
+
+            return (
+                bars_array,
+                first_dt,
+                last_dt,
+            )
 
         # TODO: it seems like we can do async queries for ohlc
         # but getting the order right still isn't working and I'm not
         # quite sure why.. needs some tinkering and probably
-        # a lookthrough of the ``ib_insync`` machinery, for eg. maybe
+        # a lookthrough of the `ib_insync` machinery, for eg. maybe
         # we have to do the batch queries on the `asyncio` side?
         yield (
             get_hist,
@@ -390,14 +427,13 @@ _failed_resets: int = 0
 
 
 async def get_bars(
-
     proxy: MethodProxy,
     fqme: str,
     timeframe: int,
 
     # blank to start which tells ib to look up the latest datum
-    end_dt: str = '',
+    end_dt: datetime|None = None,
-    start_dt: str | None = '',
+    start_dt: datetime|None = None,
 
     # TODO: make this more dynamic based on measured frame rx latency?
     # how long before we trigger a feed reset (seconds)
@@ -451,6 +487,9 @@ async def get_bars(
                     dt_duration,
                 ) = await proxy.bars(
                     fqme=fqme,
+                    # XXX TODO! LOL we're not using this and IB dun
+                    # support it anyway..
+                    # start_dt=start_dt,
                     end_dt=end_dt,
                     sample_period_s=timeframe,
 
@@ -723,7 +762,12 @@ async def _setup_quote_stream(
         # XXX since this is an `asyncio.Task`, we must use
         # tractor.pause_from_sync()
 
-        caccount_name, client = get_preferred_data_client(accts2clients)
+        (
+            _account_name,
+            client,
+        ) = get_preferred_data_client(
+            accts2clients,
+        )
         contract = (
             contract
             or
@@ -1058,14 +1102,9 @@ async def stream_quotes(
         )
 
         # is venue active rn?
-        venue_is_open: bool = any(
+        venue_is_open: bool = is_venue_open(
-            is_current_time_in_range(
+            con_deats=details,
-                start_dt=sesh.start,
-                end_dt=sesh.end,
         )
-            for sesh in details.tradingSessions()
-        )
-
         init_msg = FeedInit(mkt_info=mkt)
 
         # NOTE, tell sampler (via config) to skip vlm summing for dst
@@ -1082,6 +1121,7 @@ async def stream_quotes(
 
         con: Contract = details.contract
         first_ticker: Ticker|None = None
+        first_quote: dict[str, Any] = {}
 
         timeout: float = 1.6
         with trio.move_on_after(timeout) as quote_cs:
@@ -1134,15 +1174,14 @@ async def stream_quotes(
                 first_quote,
             ))
 
-            # it's not really live but this will unblock
-            # the brokerd feed task to tell the ui to update?
-            feed_is_live.set()
-
             # block and let data history backfill code run.
             # XXX obvi given the venue is closed, we never expect feed
             # to come up; a taskc should be the only way to
             # terminate this task.
             await trio.sleep_forever()
+            #
+            # ^^XXX^^TODO! INSTEAD impl a `trio.sleep()` for the
+            # duration until the venue opens!!
 
         # ?TODO, we could instead spawn a task that waits on a feed
         # to start and let it wait indefinitely..instead of this
@@ -1166,6 +1205,9 @@ async def stream_quotes(
             'Rxed init quote:\n'
             f'{pformat(first_quote)}'
         )
+        # signal `.data.feed` layer that mkt quotes are LIVE
+        feed_is_live.set()
+
         cs: trio.CancelScope|None = None
         startup: bool = True
         iter_quotes: trio.abc.Channel
@@ -1213,55 +1255,12 @@ async def stream_quotes(
                     tn.start_soon(reset_on_feed)
 
                     async with aclosing(iter_quotes):
-                        # if syminfo.get('no_vlm', False):
-                        if not init_msg.shm_write_opts['has_vlm']:
-
-                            # generally speaking these feeds don't
-                            # include vlm data.
-                            atype: str = mkt.dst.atype
-                            log.info(
-                                f'No-vlm {mkt.fqme}@{atype}, skipping quote poll'
-                            )
-
-                        else:
-                            # wait for real volume on feed (trading might be
-                            # closed)
-                            while True:
-                                ticker = await iter_quotes.receive()
-
-                                # for a real volume contract we rait for
-                                # the first "real" trade to take place
-                                if (
-                                    # not calc_price
-                                    # and not ticker.rtTime
-                                    False
-                                    # not ticker.rtTime
-                                ):
-                                    # spin consuming tickers until we
-                                    # get a real market datum
-                                    log.debug(f"New unsent ticker: {ticker}")
-                                    continue
-
-                                else:
-                                    log.debug("Received first volume tick")
-                                    # ugh, clear ticks since we've
-                                    # consumed them (ahem, ib_insync is
-                                    # truly stateful trash)
-                                    # ticker.ticks = []
-
-                                    # XXX: this works because we don't use
-                                    # ``aclosing()`` above?
-                                    break
-
-                            quote = normalize(ticker)
-                            log.debug(f"First ticker received {quote}")
-
                         # tell data-layer spawner-caller that live
                         # quotes are now active desptie not having
                         # necessarily received a first vlm/clearing
                         # tick.
                         ticker = await iter_quotes.receive()
-                        feed_is_live.set()
+                        quote = normalize(ticker)
                         fqme: str = quote['fqme']
                         await send_chan.send({fqme: quote})
 

piker/brokers/ib/ledger.py

@@ -44,6 +44,7 @@ from ib_insync import (
     CommissionReport,
 )
 
+from piker.log import get_logger
 from piker.types import Struct
 from piker.data import (
     SymbologyCache,
@@ -57,7 +58,6 @@ from piker.accounting import (
     iter_by_dt,
 )
 from ._flex_reports import parse_flex_dt
-from ._util import log
 
 if TYPE_CHECKING:
     from .api import (
@@ -65,6 +65,9 @@ if TYPE_CHECKING:
         MethodProxy,
     )
 
+log = get_logger(
+    name=__name__,
+)
 
 tx_sort: Callable = partial(
     iter_by_dt,

piker/brokers/ib/symbols.py

@@ -42,10 +42,7 @@ from piker.accounting import (
 from piker._cacheables import (
     async_lifo_cache,
 )
-
+from piker.log import get_logger
-from ._util import (
-    log,
-)
 
 if TYPE_CHECKING:
     from .api import (
@@ -53,6 +50,10 @@ if TYPE_CHECKING:
         Client,
     )
 
+log = get_logger(
+    name=__name__,
+)
+
 _futes_venues = (
     'GLOBEX',
     'NYMEX',
@@ -488,7 +489,6 @@ def con2fqme(
 @async_lifo_cache()
 async def get_mkt_info(
     fqme: str,
-
     proxy: MethodProxy|None = None,
 
 ) -> tuple[MktPair, ibis.ContractDetails]:
@@ -550,7 +550,7 @@ async def get_mkt_info(
         size_tick: Decimal = Decimal(
             str(details.minSize).rstrip('0')
         )
-        # |-> TODO: there is also the Contract.sizeIncrement, bt wtf is it?
+        # ?TODO, there is also the Contract.sizeIncrement, bt wtf is it?
 
     # NOTE: this is duplicate from the .broker.norm_trade_records()
     # routine, we should factor all this parsing somewhere..

piker/brokers/ib/venues.py

@@ -0,0 +1,312 @@
+# piker: trading gear for hackers
+# Copyright (C) Tyler Goodlet (in stewardship for pikers)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+'''
+(Multi-)venue mgmt helpers.
+
+IB generally supports all "legacy" trading venues, those mostly owned
+by ICE and friends.
+
+'''
+from __future__ import annotations
+from datetime import (  # noqa
+    datetime,
+    date,
+    tzinfo as TzInfo,
+)
+from typing import (
+    Iterator,
+    TYPE_CHECKING,
+)
+
+import exchange_calendars as xcals
+from pendulum import (
+    now,
+    Duration,
+    Interval,
+    Time,
+)
+
+if TYPE_CHECKING:
+    from ib_insync import (
+        TradingSession,
+        ContractDetails,
+    )
+    from exchange_calendars.exchange_calendars import (
+        ExchangeCalendar,
+    )
+    from pandas import (
+        # DatetimeIndex,
+        TimeDelta,
+        Timestamp,
+    )
+
+
+def has_weekend(
+    period: Interval,
+) -> bool:
+    '''
+    Predicate to for a period being within
+    days 6->0 (sat->sun).
+
+    '''
+    has_weekend: bool = False
+    for dt in period:
+        if dt.day_of_week in [0, 6]: # 0=Sunday, 6=Saturday
+            has_weekend = True
+            break
+
+    return has_weekend
+
+
+def has_holiday(
+    con_deats: ContractDetails,
+    period: Interval,
+) -> bool:
+    '''
+    Using the `exchange_calendars` lib detect if a time-gap `period`
+    is contained in a known "cash hours" closure.
+
+    '''
+    tz: str = con_deats.timeZoneId
+    exch: str = con_deats.contract.primaryExchange
+    cal: ExchangeCalendar = xcals.get_calendar(exch)
+    end: datetime = period.end
+    # _start: datetime = period.start
+    # ?TODO, can rm ya?
+    # => not that useful?
+    # dti: DatetimeIndex = cal.sessions_in_range(
+    #     _start.date(),
+    #     end.date(),
+    # )
+    prev_close: Timestamp = cal.previous_close(
+        end.date()
+    ).tz_convert(tz)
+    prev_open: Timestamp = cal.previous_open(
+        end.date()
+    ).tz_convert(tz)
+    # now do relative from prev_ values ^
+    # to get the next open which should match
+    # "contain" the end of the gap.
+    next_open: Timestamp = cal.next_open(
+        prev_open,
+    ).tz_convert(tz)
+    next_open: Timestamp = cal.next_open(
+        prev_open,
+    ).tz_convert(tz)
+    _next_close: Timestamp = cal.next_close(
+        prev_close
+    ).tz_convert(tz)
+    cash_gap: TimeDelta = next_open - prev_close
+    is_holiday_gap = (
+        cash_gap
+        > 
+        period
+    )
+    # XXX, debug
+    # breakpoint()
+    return is_holiday_gap
+
+
+def is_current_time_in_range(
+    sesh: Interval,
+    when: datetime|None = None,
+) -> bool:
+    '''
+    Check if current time is within the datetime range.
+
+    Use any/the-same timezone as provided by `start_dt.tzinfo` value
+    in the range.
+
+    '''
+    when: datetime = when or now()
+    return when in sesh
+
+
+def iter_sessions(
+    con_deats: ContractDetails,
+) -> Iterator[Interval]:
+    '''
+    Yield `pendulum.Interval`s for all
+    `ibas.ContractDetails.tradingSessions() -> TradingSession`s.
+
+    '''
+    sesh: TradingSession
+    for sesh in con_deats.tradingSessions():
+        yield Interval(*sesh)
+
+
+def sesh_times(
+    con_deats: ContractDetails,
+) -> tuple[Time, Time]:
+    '''
+    Based on the earliest trading session provided by the IB API,
+    get the (day-agnostic) times for the start/end.
+
+    '''
+    earliest_sesh: Interval = next(iter_sessions(con_deats))
+    return (
+        earliest_sesh.start.time(),
+        earliest_sesh.end.time(),
+    )
+    # ^?TODO, use `.diff()` to get point-in-time-agnostic period?
+    # https://pendulum.eustace.io/docs/#difference
+
+
+def is_venue_open(
+    con_deats: ContractDetails,
+    when: datetime|Duration|None = None,
+) -> bool:
+    '''
+    Check if market-venue is open during `when`, which defaults to
+    "now".
+
+    '''
+    sesh: Interval
+    for sesh in iter_sessions(con_deats):
+        if is_current_time_in_range(
+            sesh=sesh,
+            when=when,
+        ):
+            return True
+
+    return False
+
+
+def is_venue_closure(
+    gap: Interval,
+    con_deats: ContractDetails,
+    time_step_s: int,
+) -> bool:
+    '''
+    Check if a provided time-`gap` is just an (expected) trading
+    venue closure period.
+
+    '''
+    open: Time
+    close: Time
+    open, close = sesh_times(con_deats)
+
+    # ensure times are in mkt-native timezone
+    tz: str = con_deats.timeZoneId
+    start = gap.start.in_tz(tz)
+    start_t = start.time()
+    end = gap.end.in_tz(tz)
+    end_t = end.time()
+    if (
+        (
+            start_t in (
+                close,
+                close.subtract(seconds=time_step_s)
+            )
+            and 
+            end_t in (
+                open,
+                open.add(seconds=time_step_s),
+            )
+        )
+        or
+        has_weekend(gap)
+        or
+        has_holiday(
+            con_deats=con_deats,
+            period=gap,
+        )
+    ):
+        return True
+
+    # breakpoint()
+    return False
+
+
+# TODO, put this into `._util` and call it from here!
+#
+# NOTE, this was generated by @guille from a gpt5 prompt
+# and was originally thot to be needed before learning about
+# `ib_insync.contract.ContractDetails._parseSessions()` and
+# it's downstream meths..
+#
+# This is still likely useful to keep for now to parse the
+# `.tradingHours: str` value manually if we ever decide
+# to move off `ib_async` and implement our own `trio`/`anyio`
+# based version Bp
+#
+# >attempt to parse the retarted ib "time stampy thing" they
+# >do for "venue hours" with this.. written by
+# >gpt5-"thinking",
+#
+
+
+def parse_trading_hours(
+    spec: str,
+    tz: TzInfo|None = None
+) -> dict[
+    date,
+    tuple[datetime, datetime]
+]|None:
+    '''
+    Parse venue hours like:
+    'YYYYMMDD:HHMM-YYYYMMDD:HHMM;YYYYMMDD:CLOSED;...'
+
+    Returns `dict[date] = (open_dt, close_dt)` or `None` if
+    closed.
+
+    '''
+    if (
+        not isinstance(spec, str)
+        or
+        not spec
+    ):
+        raise ValueError('spec must be a non-empty string')
+
+    out: dict[
+        date,
+        tuple[datetime, datetime]
+    ]|None = {}
+
+    for part in (p.strip() for p in spec.split(';') if p.strip()):
+        if part.endswith(':CLOSED'):
+            day_s, _ = part.split(':', 1)
+            d = datetime.strptime(day_s, '%Y%m%d').date()
+            out[d] = None
+            continue
+
+        try:
+            start_s, end_s = part.split('-', 1)
+            start_dt = datetime.strptime(start_s, '%Y%m%d:%H%M')
+            end_dt = datetime.strptime(end_s, '%Y%m%d:%H%M')
+        except ValueError as exc:
+            raise ValueError(f'invalid segment: {part}') from exc
+
+        if tz is not None:
+            start_dt = start_dt.replace(tzinfo=tz)
+            end_dt = end_dt.replace(tzinfo=tz)
+
+        out[start_dt.date()] = (start_dt, end_dt)
+
+    return out
+
+
+# ORIG desired usage,
+#
+# TODO, for non-drunk tomorrow,
+# - call above fn and check that `output[today] is not None`
+# trading_hrs: dict = parse_trading_hours(
+#     details.tradingHours
+# )
+# liq_hrs: dict = parse_trading_hours(
+#     details.liquidHours
+    # )

piker/brokers/kraken/broker.py

@@ -62,9 +62,12 @@ from piker.clearing._messages import (
 from piker.brokers import (
     open_cached_client,
 )
+from piker.log import (
+    get_console_log,
+    get_logger,
+)
 from piker.data import open_symcache
 from .api import (
-    log,
     Client,
     BrokerError,
 )
@@ -78,6 +81,8 @@ from .ledger import (
     verify_balances,
 )
 
+log = get_logger(name=__name__)
+
 MsgUnion = Union[
     BrokerdCancel,
     BrokerdError,
@@ -431,9 +436,15 @@ def trades2pps(
 @tractor.context
 async def open_trade_dialog(
     ctx: tractor.Context,
+    loglevel: str = 'warning',
 
 ) -> AsyncIterator[dict[str, Any]]:
 
+    get_console_log(
+        level=loglevel,
+        name=__name__,
+    )
+
     async with (
         # TODO: maybe bind these together and deliver
         # a tuple from `.open_cached_client()`?

piker/brokers/questrade.py

@@ -50,13 +50,19 @@ from . import open_cached_client
 from piker._cacheables import async_lifo_cache
 from .. import config
 from ._util import resproc, BrokerError, SymbolNotFound
-from ..log import (
+from piker.log import (
     colorize_json,
-)
-from ._util import (
-    log,
     get_console_log,
 )
+from piker.log import (
+    get_logger,
+)
+
+
+log = get_logger(
+    name=__name__,
+)
+
 
 _use_practice_account = False
 _refresh_token_ep = 'https://{}login.questrade.com/oauth2/'
@@ -1205,7 +1211,10 @@ async def stream_quotes(
     # feed_type: str = 'stock',
 ) -> AsyncGenerator[str, Dict[str, Any]]:
     # XXX: required to propagate ``tractor`` loglevel to piker logging
-    get_console_log(loglevel)
+    get_console_log(
+        level=loglevel,
+        name=__name__,
+    )
 
     async with open_cached_client('questrade') as client:
         if feed_type == 'stock':

piker/brokers/robinhood.py

@@ -30,9 +30,16 @@ import asks
 from ._util import (
     resproc,
     BrokerError,
-    log,
 )
-from ..calc import percent_change
+from piker.calc import percent_change
+from piker.log import (
+    get_logger,
+)
+
+log = get_logger(
+    name=__name__,
+)
+
 
 _service_ep = 'https://api.robinhood.com'
 

piker/clearing/_client.py

@@ -215,7 +215,7 @@ async def relay_orders_from_sync_code(
 async def open_ems(
     fqme: str,
     mode: str = 'live',
-    loglevel: str = 'error',
+    loglevel: str = 'warning',
 
 ) -> tuple[
     OrderClient,  # client

piker/clearing/_ems.py

@@ -47,6 +47,7 @@ from tractor import trionics
 from ._util import (
     log,  # sub-sys logger
     get_console_log,
+    subsys,
 )
 from ..accounting._mktinfo import (
     unpack_fqme,
@@ -351,9 +352,21 @@ async def open_brokerd_dialog(
     broker backend, configuration, or client code usage.
 
     '''
+    get_console_log(
+        level=loglevel,
+        name='clearing',
+    )
+    # enable `.accounting` console since normally used by
+    # each `brokerd`.
+    get_console_log(
+        level=loglevel,
+        name='piker.accounting',
+    )
     broker: str = brokermod.name
 
-    def mk_paper_ep():
+    def mk_paper_ep(
+        loglevel: str,
+    ):
         from . import _paper_engine as paper_mod
 
         nonlocal brokermod, exec_mode
@@ -405,17 +418,21 @@ async def open_brokerd_dialog(
 
     if (
         trades_endpoint is not None
-        or exec_mode != 'paper'
+        or
+        exec_mode != 'paper'
     ):
         # open live brokerd trades endpoint
         open_trades_endpoint = portal.open_context(
             trades_endpoint,
+            loglevel=loglevel,
         )
 
     @acm
     async def maybe_open_paper_ep():
         if exec_mode == 'paper':
-            async with mk_paper_ep() as msg:
+            async with mk_paper_ep(
+                loglevel=loglevel,
+            ) as msg:
                 yield msg
                 return
 
@@ -426,7 +443,9 @@ async def open_brokerd_dialog(
             # runtime indication that the backend can't support live
             # order ctrl yet, so boot the paperboi B0
             if first == 'paper':
-                async with mk_paper_ep() as msg:
+                async with mk_paper_ep(
+                    loglevel=loglevel,
+                ) as msg:
                     yield msg
                     return
             else:
@@ -729,6 +748,7 @@ class Router(Struct):
             except (
                 trio.ClosedResourceError,
                 trio.BrokenResourceError,
+                tractor.TransportClosed,
             ):
                 to_remove.add(client_stream)
                 log.warning(
@@ -765,7 +785,11 @@ async def _setup_persistent_emsd(
 ) -> None:
 
     if loglevel:
-        get_console_log(loglevel)
+        _log = get_console_log(
+            level=loglevel,
+            name=subsys,
+        )
+        assert _log.name == 'piker.clearing'
 
     global _router
 
@@ -1699,5 +1723,5 @@ async def _emsd_main(
                     if not client_streams:
                         log.warning(
                             f'Order dialog is not being monitored:\n'
-                            f'{oid} ->\n{client_stream._ctx.chan.uid}'
+                            f'{oid!r} <-> {client_stream.chan.aid.reprol()}\n'
                         )

piker/clearing/_paper_engine.py

@@ -59,9 +59,9 @@ from piker.data import (
     open_symcache,
 )
 from piker.types import Struct
-from ._util import (
+from piker.log import (
-    log,  # sub-sys logger
     get_console_log,
+    get_logger,
 )
 from ._messages import (
     BrokerdCancel,
@@ -73,6 +73,8 @@ from ._messages import (
     BrokerdError,
 )
 
+log = get_logger(name=__name__)
+
 
 class PaperBoi(Struct):
     '''
@@ -550,7 +552,6 @@ _sells: defaultdict[
 
 @tractor.context
 async def open_trade_dialog(
-
     ctx: tractor.Context,
     broker: str,
     fqme: str|None = None,  # if empty, we only boot broker mode
@@ -558,8 +559,11 @@ async def open_trade_dialog(
 
 ) -> None:
 
-    # enable piker.clearing console log for *this* subactor
+    # enable piker.clearing console log for *this* `brokerd` subactor
-    get_console_log(loglevel)
+    get_console_log(
+        level=loglevel,
+        name=__name__,
+    )
 
     symcache: SymbologyCache
     async with open_symcache(get_brokermod(broker)) as symcache:

piker/clearing/_util.py

@@ -28,12 +28,14 @@ from ..log import (
 from piker.types import Struct
 subsys: str = 'piker.clearing'
 
-log = get_logger(subsys)
+log = get_logger(
+    name='piker.clearing',
+)
 
 # TODO, oof doesn't this ignore the `loglevel` then???
 get_console_log = partial(
     get_console_log,
-    name=subsys,
+    name='clearing',
 )
 
 

piker/cli/__init__.py

@@ -61,7 +61,8 @@ def load_trans_eps(
 
     if (
         network
-        and not maddrs
+        and
+        not maddrs
     ):
         # load network section and (attempt to) connect all endpoints
         # which are reachable B)
@@ -112,31 +113,27 @@ def load_trans_eps(
     default=None,
     help='Multiaddrs to bind or contact',
 )
-# @click.option(
-#     '--tsdb',
-#     is_flag=True,
-#     help='Enable local ``marketstore`` instance'
-# )
-# @click.option(
-#     '--es',
-#     is_flag=True,
-#     help='Enable local ``elasticsearch`` instance'
-# )
 def pikerd(
     maddr: list[str] | None,
     loglevel: str,
     tl: bool,
     pdb: bool,
-    # tsdb: bool,
-    # es: bool,
 ):
     '''
-    Spawn the piker broker-daemon.
+    Start the "root service actor", `pikerd`, run it until
+    cancellation.
+
+    This "root daemon" operates as the top most service-mngr and
+    subsys-as-subactor supervisor, think of it as the "init proc" of
+    any of any `piker` application or daemon-process tree.
 
     '''
     # from tractor.devx import maybe_open_crash_handler
     # with maybe_open_crash_handler(pdb=False):
-    log = get_console_log(loglevel, name='cli')
+    log = get_console_log(
+        level=loglevel,
+        with_tractor_log=tl,
+    )
 
     if pdb:
         log.warning((
@@ -237,6 +234,14 @@ def cli(
     regaddr: str,
 
 ) -> None:
+    '''
+    The "root" `piker`-cmd CLI endpoint.
+
+    NOTE, this def generally relies on and requires a sub-cmd to be
+    provided by the user, OW only a `--help` msg (listing said
+    subcmds) will be dumped to console.
+
+    '''
     if configdir is not None:
         assert os.path.isdir(configdir), f"`{configdir}` is not a valid path"
         config._override_config_dir(configdir)
@@ -295,17 +300,50 @@ def cli(
 @click.option('--tl', is_flag=True, help='Enable tractor logging')
 @click.argument('ports', nargs=-1, required=False)
 @click.pass_obj
-def services(config, tl, ports):
+def services(
+    config,
+    tl: bool,
+    ports: list[int],
+):
+    '''
+    List all `piker` "service deamons" to the console in
+    a `json`-table which maps each actor's UID in the form,
 
-    from ..service import (
+    `{service_name}.{subservice_name}.{UUID}`
+
+    to its (primary) IPC server address.
+
+    (^TODO, should be its multiaddr form once we support it)
+
+    Note that by convention actors which operate as "headless"
+    processes (those without GUIs/graphics, and which generally
+    parent some noteworthy subsystem) are normally suffixed by
+    a "d" such as,
+
+    - pikerd: the root runtime supervisor
+    - brokerd: a broker-backend order ctl daemon
+    - emsd: the internal dark-clearing and order routing daemon
+    - datad: a data-provider-backend data feed daemon
+    - samplerd: the real-time data sampling and clock-syncing daemon
+
+    "Headed units" are normally just given an obvious app-like name
+    with subactors indexed by `.` such as,
+    - chart: the primary modal charting iface, a Qt app
+    - chart.fsp_0: a financial-sig-proc cascade instance which
+                   delivers graphics to a parent `chart` app.
+    - polars_boi: some (presumably) `polars` using console app.
+
+    '''
+    from piker.service import (
         open_piker_runtime,
         _default_registry_port,
         _default_registry_host,
     )
 
-    host = _default_registry_host
+    # !TODO, mk this to work with UDS!
+    host: str = _default_registry_host
     if not ports:
-        ports = [_default_registry_port]
+        ports: list[int] = [_default_registry_port]
 
     addr = tractor._addr.wrap_address(
         addr=(host, ports[0])
@@ -316,7 +354,11 @@ def services(config, tl, ports):
         async with (
             open_piker_runtime(
                 name='service_query',
-                loglevel=config['loglevel'] if tl else None,
+                loglevel=(
+                    config['loglevel']
+                    if tl
+                    else None
+                ),
             ),
             tractor.get_registry(
                 addr=addr,
@@ -336,7 +378,15 @@ def services(config, tl, ports):
 
 
 def _load_clis() -> None:
-    # from ..service import elastic  # noqa
+    '''
+    Dynamically load and register all subsys CLI endpoints (at call
+    time).
+
+    NOTE, obviously this is normally expected to be called at
+    `import` time and implicitly relies on our use of various
+    `click`/`typer` decorator APIs.
+
+    '''
     from ..brokers import cli  # noqa
     from ..ui import cli  # noqa
     from ..watchlists import cli  # noqa
@@ -346,5 +396,5 @@ def _load_clis() -> None:
     from ..accounting import cli  # noqa
 
 
-# load downstream cli modules
+# load all subsytem cli eps
 _load_clis()

piker/data/_sampling.py

@@ -80,14 +80,14 @@ class Sampler:
     This non-instantiated type is meant to be a singleton within
     a `samplerd` actor-service spawned once by the user wishing to
     time-step-sample (real-time) quote feeds, see
-    ``.service.maybe_open_samplerd()`` and the below
+    `.service.maybe_open_samplerd()` and the below
-    ``register_with_sampler()``.
+    `register_with_sampler()`.
 
     '''
     service_nursery: None|trio.Nursery = None
 
-    # TODO: we could stick these in a composed type to avoid
+    # TODO: we could stick these in a composed type to avoid angering
-    # angering the "i hate module scoped variables crowd" (yawn).
+    # the "i hate module scoped variables crowd" (yawn).
     ohlcv_shms: dict[float, list[ShmArray]] = {}
 
     # holds one-task-per-sample-period tasks which are spawned as-needed by
@@ -99,6 +99,7 @@ class Sampler:
         trio.BrokenResourceError,
         trio.ClosedResourceError,
         trio.EndOfChannel,
+        tractor.TransportClosed,
     )
 
     # holds all the ``tractor.Context`` remote subscriptions for
@@ -291,9 +292,10 @@ class Sampler:
 
                     except self.bcast_errors as err:
                         log.error(
-                            f'Connection dropped for IPC ctx\n'
+                            f'Connection dropped for IPC ctx due to,\n'
-                            f'{stream._ctx}\n\n'
+                            f'{type(err)!r}\n'
-                            f'Due to {type(err)}'
+                            f'\n'
+                            f'{stream._ctx}'
                         )
                         borked.add(stream)
                 else:
@@ -334,10 +336,18 @@ async def register_with_sampler(
 
     open_index_stream: bool = True,  # open a 2way stream for sample step msgs?
     sub_for_broadcasts: bool = True,  # sampler side to send step updates?
+    loglevel: str|None = None,
 
-) -> None:
+) -> set[int]:
 
-    get_console_log(tractor.current_actor().loglevel)
+    get_console_log(
+        level=(
+            loglevel
+            or
+            tractor.current_actor().loglevel
+        ),
+        name=__name__,
+    )
     incr_was_started: bool = False
 
     try:
@@ -362,7 +372,12 @@ async def register_with_sampler(
 
             # insert the base 1s period (for OHLC style sampling) into
             # the increment buffer set to update and shift every second.
-            if shms_by_period is not None:
+            if (
+                shms_by_period is not None
+                # and
+                # feed_is_live.is_set()
+                # ^TODO? pass it in instead?
+            ):
                 from ._sharedmem import (
                     attach_shm_array,
                     _Token,
@@ -376,12 +391,17 @@ async def register_with_sampler(
                         readonly=False,
                     )
                     shms_by_period[period] = shm
-                    Sampler.ohlcv_shms.setdefault(period, []).append(shm)
+                    Sampler.ohlcv_shms.setdefault(
+                        period,
+                        [],
+                    ).append(shm)
 
                 assert Sampler.ohlcv_shms
 
             # unblock caller
-            await ctx.started(set(Sampler.ohlcv_shms.keys()))
+            await ctx.started(
+                set(Sampler.ohlcv_shms.keys())
+            )
 
             if open_index_stream:
                 try:
@@ -464,6 +484,7 @@ async def spawn_samplerd(
                 register_with_sampler,
                 period_s=1,
                 sub_for_broadcasts=False,
+                loglevel=loglevel,
             )
             return True
 
@@ -472,7 +493,6 @@ async def spawn_samplerd(
 
 @acm
 async def maybe_open_samplerd(
-
     loglevel: str|None = None,
     **pikerd_kwargs,
 
@@ -501,10 +521,10 @@ async def open_sample_stream(
     shms_by_period: dict[float, dict]|None = None,
     open_index_stream: bool = True,
     sub_for_broadcasts: bool = True,
+    loglevel: str|None = None,
 
-    cache_key: str | None = None,
+    # cache_key: str|None = None,
-    allow_new_sampler: bool = True,
+    # allow_new_sampler: bool = True,
-
     ensure_is_active: bool = False,
 
 ) -> AsyncIterator[dict[str, float]]:
@@ -533,11 +553,15 @@ async def open_sample_stream(
     #         yield bistream
     # else:
 
+    ctx: tractor.Context
+    shm_periods: set[int]  # in `int`-seconds
     async with (
         # XXX: this should be singleton on a host,
         # a lone broker-daemon per provider should be
         # created for all practical purposes
-        maybe_open_samplerd() as portal,
+        maybe_open_samplerd(
+            loglevel=loglevel,
+        ) as portal,
 
         portal.open_context(
             register_with_sampler,
@@ -546,11 +570,12 @@ async def open_sample_stream(
                 'shms_by_period': shms_by_period,
                 'open_index_stream': open_index_stream,
                 'sub_for_broadcasts': sub_for_broadcasts,
+                'loglevel': loglevel,
             },
-        ) as (ctx, first)
+        ) as (ctx, shm_periods)
     ):
         if ensure_is_active:
-            assert len(first) > 1
+            assert len(shm_periods) > 1
 
         async with (
             ctx.open_stream(
@@ -741,7 +766,7 @@ async def sample_and_broadcast(
                                 log.warning(
                                     f'Feed OVERRUN {sub_key}'
                                     f'@{bus.brokername} -> \n'
-                                    f'feed @ {chan.uid}\n'
+                                    f'feed @ {chan.aid.reprol()}\n'
                                     f'throttle = {throttle} Hz'
                                 )
 

piker/data/_sharedmem.py

@@ -520,7 +520,10 @@ def open_shm_array(
 
     # "unlink" created shm on process teardown by
     # pushing teardown calls onto actor context stack
-    stack = tractor.current_actor().lifetime_stack
+    stack = tractor.current_actor(
+        err_on_no_runtime=False,
+    ).lifetime_stack
+    if stack:
         stack.callback(shmarr.close)
         stack.callback(shmarr.destroy)
 
@@ -607,7 +610,10 @@ def attach_shm_array(
         _known_tokens[key] = token
 
     # "close" attached shm on actor teardown
-    tractor.current_actor().lifetime_stack.callback(sha.close)
+    if (actor := tractor.current_actor(
+        err_on_no_runtime=False,
+    )):
+        actor.lifetime_stack.callback(sha.close)
 
     return sha
 

piker/data/_util.py

@@ -26,7 +26,9 @@ from ..log import (
 )
 subsys: str = 'piker.data'
 
-log = get_logger(subsys)
+log = get_logger(
+    name=subsys,
+)
 
 get_console_log = partial(
     get_console_log,

piker/data/_web_bs.py

@@ -31,6 +31,7 @@ from typing import (
     AsyncContextManager,
     AsyncGenerator,
     Iterable,
+    Type,
 )
 import json
 
@@ -67,7 +68,7 @@ class NoBsWs:
 
     '''
     # apparently we can QoS for all sorts of reasons..so catch em.
-    recon_errors = (
+    recon_errors: tuple[Type[Exception]] = (
         ConnectionClosed,
         DisconnectionTimeout,
         ConnectionRejected,
@@ -105,7 +106,10 @@ class NoBsWs:
     def connected(self) -> bool:
         return self._connected.is_set()
 
-    async def reset(self) -> None:
+    async def reset(
+        self,
+        timeout: float,
+    ) -> bool:
         '''
         Reset the underlying ws connection by cancelling
         the bg relay task and waiting for it to signal
@@ -114,18 +118,31 @@ class NoBsWs:
         '''
         self._connected = trio.Event()
         self._cs.cancel()
+        with trio.move_on_after(timeout) as cs:
             await self._connected.wait()
+            return True
+
+        assert cs.cancelled_caught
+        return False
 
     async def send_msg(
         self,
         data: Any,
+        timeout: float = 3,
     ) -> None:
         while True:
             try:
                 msg: Any = self._dumps(data)
                 return await self._ws.send_message(msg)
             except self.recon_errors:
-                await self.reset()
+                with trio.CancelScope(shield=True):
+                    reconnected: bool = await self.reset(
+                        timeout=timeout,
+                    )
+                    if not reconnected:
+                        log.warning(
+                            'Failed to reconnect after {timeout!r}s ??'
+                        )
 
     async def recv_msg(self) -> Any:
         msg: Any = await self._rx.receive()
@@ -191,7 +208,9 @@ async def _reconnect_forever(
                         f'{src_mod}\n'
                         f'{url} connection bail with:'
                     )
+                    with trio.CancelScope(shield=True):
                         await trio.sleep(0.5)
+
                     rent_cs.cancel()
 
                     # go back to reonnect loop in parent task
@@ -291,6 +310,7 @@ async def _reconnect_forever(
             log.exception(
                 'Reconnect-attempt failed ??\n'
             )
+            with trio.CancelScope(shield=True):
                 await trio.sleep(0.2)  # throttle
             raise berr
 
@@ -351,6 +371,7 @@ async def open_autorecon_ws(
     rcv: trio.MemoryReceiveChannel
     snd, rcv = trio.open_memory_channel(616)
 
+    try:
         async with (
             tractor.trionics.collapse_eg(),
             trio.open_nursery() as tn
@@ -378,6 +399,12 @@ async def open_autorecon_ws(
             finally:
                 tn.cancel_scope.cancel()
 
+    except NoBsWs.recon_errors as con_err:
+        log.warning(
+            f'Entire ws-channel disconnect due to,\n'
+            f'con_err: {con_err!r}\n'
+        )
+
 
 '''
 JSONRPC response-request style machinery for transparent multiplexing

piker/data/feed.py

@@ -62,7 +62,6 @@ from ._util import (
     log,
     get_console_log,
 )
-from .flows import Flume
 from .validate import (
     FeedInit,
     validate_backend,
@@ -77,6 +76,7 @@ from ._sampling import (
 )
 
 if TYPE_CHECKING:
+    from .flows import Flume
     from tractor._addr import Address
     from tractor.msg.types import Aid
 
@@ -239,7 +239,6 @@ async def allocate_persistent_feed(
 
     brokername: str,
     symstr: str,
-
     loglevel: str,
     start_stream: bool = True,
     init_timeout: float = 616,
@@ -348,11 +347,14 @@ async def allocate_persistent_feed(
         izero_rt,
         rt_shm,
     ) = await bus.nursery.start(
+        partial(
             manage_history,
-        mod,
+            mod=mod,
-        mkt,
+            mkt=mkt,
-        some_data_ready,
+            some_data_ready=some_data_ready,
-        feed_is_live,
+            feed_is_live=feed_is_live,
+            loglevel=loglevel,
+        )
     )
 
     # yield back control to starting nursery once we receive either
@@ -362,6 +364,8 @@ async def allocate_persistent_feed(
     )
     await some_data_ready.wait()
 
+    # XXX, avoid cycle; it imports this mod.
+    from .flows import Flume
     flume = Flume(
 
         # TODO: we have to use this for now since currently the
@@ -458,7 +462,6 @@ async def allocate_persistent_feed(
 
 @tractor.context
 async def open_feed_bus(
-
     ctx: tractor.Context,
     brokername: str,
     symbols: list[str],  # normally expected to the broker-specific fqme
@@ -479,13 +482,16 @@ async def open_feed_bus(
 
     '''
     if loglevel is None:
-        loglevel = tractor.current_actor().loglevel
+        loglevel: str = tractor.current_actor().loglevel
 
     # XXX: required to propagate ``tractor`` loglevel to piker
     # logging
     get_console_log(
-        loglevel
+        level=(loglevel
-        or tractor.current_actor().loglevel
+            or
+            tractor.current_actor().loglevel
+        ),
+        name=__name__,
     )
 
     # local state sanity checks
@@ -500,7 +506,6 @@ async def open_feed_bus(
     sub_registered = trio.Event()
 
     flumes: dict[str, Flume] = {}
-
     for symbol in symbols:
 
         # if no cached feed for this symbol has been created for this
@@ -684,6 +689,7 @@ class Feed(Struct):
     '''
     mods: dict[str, ModuleType] = {}
     portals: dict[ModuleType, tractor.Portal] = {}
+
     flumes: dict[
         str,  # FQME
         Flume,
@@ -813,6 +819,11 @@ async def maybe_open_feed(
     '''
     fqme = fqmes[0]
 
+    # if (
+    #     loglevel != 'info'
+    # ):
+    #     await tractor.pause()
+
     async with trionics.maybe_open_context(
         acm_func=open_feed,
         kwargs={
@@ -879,9 +890,12 @@ async def open_feed(
         providers.setdefault(mod, []).append(bs_fqme)
         feed.mods[mod.name] = mod
 
+    if (
+        loglevel != 'info'
+    ):
+        await tractor.pause()
     # one actor per brokerd for now
     brokerd_ctxs = []
-
     for brokermod, bfqmes in providers.items():
 
         # if no `brokerd` for this backend exists yet we spawn
@@ -951,6 +965,8 @@ async def open_feed(
 
         assert len(feed.mods) == len(feed.portals)
 
+        # XXX, avoid cycle; it imports this mod.
+        from .flows import Flume
         async with (
             trionics.gather_contexts(bus_ctxs) as ctxs,
         ):

piker/fsp/_engine.py

@@ -24,6 +24,7 @@ from functools import partial
 from typing import (
     AsyncIterator,
     Callable,
+    TYPE_CHECKING,
 )
 
 import numpy as np
@@ -33,12 +34,12 @@ import tractor
 from tractor.msg import NamespacePath
 
 from piker.types import Struct
-from ..log import get_logger, get_console_log
+from ..log import (
-from .. import data
+    get_logger,
-from ..data.feed import (
+    get_console_log,
-    Flume,
-    Feed,
 )
+from .. import data
+from ..data.flows import Flume
 from ..data._sharedmem import ShmArray
 from ..data._sampling import (
     _default_delay_s,
@@ -52,6 +53,9 @@ from ._api import (
 )
 from ..toolz import Profiler
 
+if TYPE_CHECKING:
+    from ..data.feed import Feed
+
 log = get_logger(__name__)
 
 
@@ -169,8 +173,10 @@ class Cascade(Struct):
         if not synced:
             fsp: Fsp = self.fsp
             log.warning(
-                '***DESYNCED FSP***\n'
+                f'***DESYNCED fsp***\n'
-                f'{fsp.ns_path}@{src_shm.token}\n'
+                f'------------------\n'
+                f'ns-path: {fsp.ns_path!r}\n'
+                f'shm-token: {src_shm.token}\n'
                 f'step_diff: {step_diff}\n'
                 f'len_diff: {len_diff}\n'
             )
@@ -398,7 +404,6 @@ async def connect_streams(
 
 @tractor.context
 async def cascade(
-
     ctx: tractor.Context,
 
     # data feed key
@@ -426,7 +431,17 @@ async def cascade(
     )
 
     if loglevel:
-        get_console_log(loglevel)
+        log = get_console_log(
+            loglevel,
+            name=__name__,
+        )
+        # XXX TODO!
+        # figure out why this writes a dict to,
+        # `tractor._state._runtime_vars['_root_mailbox']`
+        # XD .. wtf
+        # TODO, solve this as reported in,
+        # https://www.pikers.dev/pikers/piker/issues/70
+        # await tractor.pause()
 
     src: Flume = Flume.from_msg(src_flume_addr)
     dst: Flume = Flume.from_msg(
@@ -469,7 +484,8 @@ async def cascade(
     # open a data feed stream with requested broker
     feed: Feed
     async with data.feed.maybe_open_feed(
-        [fqme],
+        fqmes=[fqme],
+        loglevel=loglevel,
 
         # TODO throttle tick outputs from *this* daemon since
         # it'll emit tons of ticks due to the throttle only
@@ -567,7 +583,8 @@ async def cascade(
                     # on every step msg received from the global `samplerd`
                     # service.
                     async with open_sample_stream(
-                        float(delay_s)
+                        period_s=float(delay_s),
+                        loglevel=loglevel,
                     ) as istream:
 
                         profiler(f'{func_name}: sample stream up')

piker/log.py

@@ -37,35 +37,84 @@ _proj_name: str = 'piker'
 
 
 def get_logger(
-    name: str = None,
+    name: str|None = None,
-
+    **tractor_log_kwargs,
 ) -> logging.Logger:
     '''
-    Return the package log or a sub-log for `name` if provided.
+    Return the package log or a sub-logger if a `name=` is provided,
+    which defaults to the calling module's pkg-namespace path.
+
+    See `tractor.log.get_logger()` for details.
 
     '''
+    pkg_name: str = _proj_name
+    if (
+        name
+        and
+        pkg_name in name
+    ):
+        name: str = name.lstrip(f'{_proj_name}.')
+
     return tractor.log.get_logger(
         name=name,
-        _root_name=_proj_name,
+        pkg_name=pkg_name,
+        **tractor_log_kwargs,
     )
 
 
 def get_console_log(
     level: str|None = None,
     name: str|None = None,
+    pkg_name: str|None = None,
+    with_tractor_log: bool = False,
+    # ?TODO, support a "log-spec" style `str|dict[str, str]` which
+    # dictates both the sublogger-key and a level?
+    # -> see similar idea in `modden`'s usage.
+    **tractor_log_kwargs,
 
 ) -> logging.Logger:
     '''
-    Get the package logger and enable a handler which writes to stderr.
+    Get the package logger and enable a handler which writes to
+    stderr.
 
-    Yeah yeah, i know we can use ``DictConfig``. You do it...
+    Yeah yeah, i know we can use `DictConfig`.
+    You do it.. Bp
 
     '''
+    pkg_name: str = _proj_name
+    if (
+        name
+        and
+        pkg_name in name
+    ):
+        name: str = name.lstrip(f'{_proj_name}.')
+
+    tll: str|None = None
+    if (
+        with_tractor_log is not False
+    ):
+        tll = level
+
+    elif maybe_actor := tractor.current_actor(
+        err_on_no_runtime=False,
+    ):
+        tll = maybe_actor.loglevel
+
+    if tll:
+        t_log = tractor.log.get_console_log(
+            level=tll,
+            name='tractor',  # <- XXX, force root tractor log!
+            **tractor_log_kwargs,
+        )
+        # TODO/ allow only enabling certain tractor sub-logs?
+        assert t_log.name == 'tractor'
+
     return tractor.log.get_console_log(
-        level,
+        level=level,
         name=name,
-        _root_name=_proj_name,
+        pkg_name=pkg_name,
-    )  # our root logger
+        **tractor_log_kwargs,
+    )
 
 
 def colorize_json(

piker/service/_actor_runtime.py

@@ -21,7 +21,6 @@
 from __future__ import annotations
 import os
 from typing import (
-    Optional,
     Any,
     ClassVar,
 )
@@ -32,9 +31,12 @@ from contextlib import (
 import tractor
 import trio
 
-from ._util import (
+from piker.log import (
     get_console_log,
 )
+from ._util import (
+    subsys,
+)
 from ._mngr import (
     Services,
 )
@@ -59,7 +61,7 @@ async def open_piker_runtime(
     registry_addrs: list[tuple[str, int]] = [],
 
     enable_modules: list[str] = [],
-    loglevel: Optional[str] = None,
+    loglevel: str|None = None,
 
     # XXX NOTE XXX: you should pretty much never want debug mode
     # for data daemons when running in production.
@@ -97,7 +99,8 @@ async def open_piker_runtime(
         # setting it as the root actor on localhost.
         registry_addrs = (
             registry_addrs
-            or [_default_reg_addr]
+            or
+            [_default_reg_addr]
         )
 
         if ems := tractor_kwargs.pop('enable_modules', None):
@@ -163,7 +166,6 @@ _root_modules: list[str] = [
 @acm
 async def open_pikerd(
     registry_addrs: list[tuple[str, int]],
-
     loglevel: str|None = None,
 
     # XXX: you should pretty much never want debug mode
@@ -192,7 +194,6 @@ async def open_pikerd(
 
     async with (
         open_piker_runtime(
-
             name=_root_dname,
             loglevel=loglevel,
             debug_mode=debug_mode,
@@ -273,7 +274,10 @@ async def maybe_open_pikerd(
 
     '''
     if loglevel:
-        get_console_log(loglevel)
+        get_console_log(
+            name=subsys,
+            level=loglevel
+        )
 
     # subtle, we must have the runtime up here or portal lookup will fail
     query_name = kwargs.pop(

piker/service/_ahab.py

@@ -49,13 +49,15 @@ from requests.exceptions import (
     ReadTimeout,
 )
 
-from ._mngr import Services
+from piker.log import (
-from ._util import (
-    log,  # sub-sys logger
     get_console_log,
+    get_logger,
 )
+from ._mngr import Services
 from .. import config
 
+log = get_logger(name=__name__)
+
 
 class DockerNotStarted(Exception):
     'Prolly you dint start da daemon bruh'
@@ -336,13 +338,16 @@ class Container:
 async def open_ahabd(
     ctx: tractor.Context,
     endpoint: str,  # ns-pointer str-msg-type
-    loglevel: str | None = None,
+    loglevel: str = 'cancel',
 
     **ep_kwargs,
 
 ) -> None:
 
-    log = get_console_log(loglevel or 'cancel')
+    log = get_console_log(
+        level=loglevel,
+        name='piker.service',
+    )
 
     async with open_docker() as client:
 

piker/service/_daemon.py

@@ -30,8 +30,9 @@ from contextlib import (
 import tractor
 from trio.lowlevel import current_task
 
-from ._util import (
+from piker.log import (
-    log,  # sub-sys logger
+    get_console_log,
+    get_logger,
 )
 from ._mngr import (
     Services,
@@ -39,10 +40,11 @@ from ._mngr import (
 from ._actor_runtime import maybe_open_pikerd
 from ._registry import find_service
 
+log = get_logger(name=__name__)
+
 
 @acm
 async def maybe_spawn_daemon(
-
     service_name: str,
     service_task_target: Callable,
 
@@ -66,6 +68,12 @@ async def maybe_spawn_daemon(
     clients.
 
     '''
+    log = get_console_log(
+        level=loglevel,
+        name=__name__,
+    )
+    assert log.name == 'piker.service'
+
     # serialize access to this section to avoid
     # 2 or more tasks racing to create a daemon
     lock = Services.locks[service_name]
@@ -152,7 +160,6 @@ async def maybe_spawn_daemon(
 
 
 async def spawn_emsd(
-
     loglevel: str|None = None,
     **extra_tractor_kwargs
 
@@ -190,7 +197,6 @@ async def spawn_emsd(
 
 @acm
 async def maybe_open_emsd(
-
     brokername: str,
     loglevel: str|None = None,
 

piker/service/_mngr.py

@@ -34,9 +34,9 @@ from tractor import (
     Portal,
 )
 
-from ._util import (
+from piker.log import get_logger
-    log,  # sub-sys logger
+
-)
+log = get_logger(name=__name__)
 
 
 # TODO: we need remote wrapping and a general soln:

piker/service/_registry.py

@@ -27,15 +27,29 @@ from typing import (
 )
 
 import tractor
-from tractor import Portal
+from tractor import (
-
+    msg,
-from ._util import (
+    Actor,
-    log,  # sub-sys logger
+    Portal,
 )
 
+from piker.log import get_logger
+
+log = get_logger(name=__name__)
+
+# TODO? default path-space for UDS registry?
+# [ ] needs to be Xplatform tho!
+# _default_registry_path: Path = (
+#     Path(os.environ['XDG_RUNTIME_DIR'])
+#     /'piker'
+# )
+
 _default_registry_host: str = '127.0.0.1'
 _default_registry_port: int = 6116
-_default_reg_addr: tuple[str, int] = (
+_default_reg_addr: tuple[
+    str,
+    int, # |str TODO, once we support UDS, see above.
+] = (
     _default_registry_host,
     _default_registry_port,
 )
@@ -75,16 +89,22 @@ async def open_registry(
 
     '''
     global _tractor_kwargs
-    actor = tractor.current_actor()
+    actor: Actor = tractor.current_actor()
-    uid = actor.uid
+    aid: msg.Aid = actor.aid
-    preset_reg_addrs: list[tuple[str, int]] = Registry.addrs
+    uid: tuple[str, str] = aid.uid
+    preset_reg_addrs: list[
+        tuple[str, int]
+    ] = Registry.addrs
     if (
         preset_reg_addrs
-        and addrs
+        and
+        addrs
     ):
         if preset_reg_addrs != addrs:
             # if any(addr in preset_reg_addrs for addr in addrs):
-            diff: set[tuple[str, int]] = set(preset_reg_addrs) - set(addrs)
+            diff: set[
+                tuple[str, int]
+            ] = set(preset_reg_addrs) - set(addrs)
             if diff:
                 log.warning(
                     f'`{uid}` requested only subset of registrars: {addrs}\n'
@@ -98,7 +118,6 @@ async def open_registry(
                 )
 
     was_set: bool = False
-
     if (
         not tractor.is_root_process()
         and
@@ -115,16 +134,23 @@ async def open_registry(
             f"`{uid}` registry should already exist but doesn't?"
         )
 
-    if (
+    if not Registry.addrs:
-        not Registry.addrs
-    ):
         was_set = True
-        Registry.addrs = addrs or [_default_reg_addr]
+        Registry.addrs = (
+            addrs
+            or
+            [_default_reg_addr]
+        )
 
     # NOTE: only spot this seems currently used is inside
     # `.ui._exec` which is the (eventual qtloops) bootstrapping
     # with guest mode.
-    _tractor_kwargs['registry_addrs'] = Registry.addrs
+    reg_addrs: list[tuple[str, str|int]] = Registry.addrs
+    # !TODO, a struct-API to stringently allow this only in special
+    # cases?
+    # -> better would be to have some way to (atomically) rewrite
+    #    and entire `RuntimeVars`?? ideas welcome obvi..
+    _tractor_kwargs['registry_addrs'] = reg_addrs
 
     try:
         yield Registry.addrs
@@ -149,7 +175,7 @@ async def find_service(
     | None
 ):
     # try:
-    reg_addrs: list[tuple[str, int]]
+    reg_addrs: list[tuple[str, int|str]]
     async with open_registry(
         addrs=(
             registry_addrs
@@ -172,15 +198,13 @@ async def find_service(
             only_first=first_only,  # if set only returns single ref
         ) as maybe_portals:
             if not maybe_portals:
-                # log.info(
+                log.info(
-                print(
                     f'Could NOT find service {service_name!r} -> {maybe_portals!r}'
                 )
                 yield None
                 return
 
-            # log.info(
+            log.info(
-            print(
                 f'Found service {service_name!r} -> {maybe_portals}'
             )
             yield maybe_portals
@@ -195,7 +219,6 @@ async def find_service(
 
 async def check_for_service(
     service_name: str,
-
 ) -> None|tuple[str, int]:
     '''
     Service daemon "liveness" predicate.

piker/service/_util.py

@@ -14,20 +14,12 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 """
-Sub-sys module commons.
+Sub-sys module commons (if any ?? Bp).
 
 """
-from functools import partial
-
-from ..log import (
-    get_logger,
-    get_console_log,
-)
 subsys: str = 'piker.service'
 
-log = get_logger(subsys)
+# ?TODO, if we were going to keep a `get_console_log()` in here to be
-
+# invoked at `import`-time, how do we dynamically hand in the
-get_console_log = partial(
+# `level=` value? seems too early in the runtime to be injected
-    get_console_log,
+# right?
-    name=subsys,
-)

piker/service/elastic.py

@@ -16,6 +16,7 @@
 
 from __future__ import annotations
 from contextlib import asynccontextmanager as acm
+from pprint import pformat
 from typing import (
     Any,
     TYPE_CHECKING,
@@ -26,12 +27,17 @@ import asks
 if TYPE_CHECKING:
     import docker
     from ._ahab import DockerContainer
-
+    from . import (
-from ._util import log  # sub-sys logger
+        Services,
-from ._util import (
-    get_console_log,
     )
 
+from piker.log import (
+    get_console_log,
+    get_logger,
+)
+
+log = get_logger(name=__name__)
+
 
 # container level config
 _config = {
@@ -67,7 +73,10 @@ def start_elasticsearch(
             elastic
 
     '''
-    get_console_log('info', name=__name__)
+    get_console_log(
+        level='info',
+        name=__name__,
+    )
 
     dcntr: DockerContainer = client.containers.run(
         'piker:elastic',

piker/service/marketstore.py

@@ -52,17 +52,18 @@ import pendulum
 # TODO: import this for specific error set expected by mkts client
 # import purerpc
 
-from ..data.feed import maybe_open_feed
+from piker.data.feed import maybe_open_feed
 from . import Services
-from ._util import (
+from piker.log import (
-    log,  # sub-sys logger
     get_console_log,
+    get_logger,
 )
 
 if TYPE_CHECKING:
     import docker
     from ._ahab import DockerContainer
 
+log = get_logger(name=__name__)
 
 
 # ahabd-supervisor and container level config

piker/storage/__init__.py

@@ -43,7 +43,6 @@ from typing import (
 
 import numpy as np
 
-
 from .. import config
 from ..service import (
     check_for_service,
@@ -152,7 +151,10 @@ class StorageConnectionError(ConnectionError):
 
     '''
 
-def get_storagemod(name: str) -> ModuleType:
+def get_storagemod(
+    name: str,
+
+) -> ModuleType:
     mod: ModuleType = import_module(
         '.' + name,
         'piker.storage',
@@ -167,7 +169,10 @@ def get_storagemod(name: str) -> ModuleType:
 async def open_storage_client(
     backend: str|None = None,
 
-) -> tuple[ModuleType, StorageClient]:
+) -> tuple[
+    ModuleType,
+    StorageClient,
+]:
     '''
     Load the ``StorageClient`` for named backend.
 
@@ -267,7 +272,10 @@ async def open_tsdb_client(
     from ..data.feed import maybe_open_feed
 
     async with (
-        open_storage_client() as (_, storage),
+        open_storage_client() as (
+            _,
+            storage,
+        ),
 
         maybe_open_feed(
             [fqme],
@@ -275,7 +283,7 @@ async def open_tsdb_client(
 
         ) as feed,
     ):
-        profiler(f'opened feed for {fqme}')
+        profiler(f'opened feed for {fqme!r}')
 
         # to_append = feed.hist_shm.array
         # to_prepend = None

piker/storage/cli.py

@@ -19,16 +19,10 @@ Storage middle-ware CLIs.
 
 """
 from __future__ import annotations
-# from datetime import datetime
-# from contextlib import (
-#     AsyncExitStack,
-# )
 from pathlib import Path
-from math import copysign
 import time
 from types import ModuleType
 from typing import (
-    Any,
     TYPE_CHECKING,
 )
 
@@ -47,7 +41,6 @@ from piker.data import (
     ShmArray,
 )
 from piker import tsp
-from piker.data._formatters import BGM
 from . import log
 from . import (
     __tsdbs__,
@@ -242,122 +235,12 @@ def anal(
     trio.run(main)
 
 
-async def markup_gaps(
-    fqme: str,
-    timeframe: float,
-    actl: AnnotCtl,
-    wdts: pl.DataFrame,
-    gaps: pl.DataFrame,
-
-) -> dict[int, dict]:
-    '''
-    Remote annotate time-gaps in a dt-fielded ts (normally OHLC)
-    with rectangles.
-
-    '''
-    aids: dict[int] = {}
-    for i in range(gaps.height):
-
-        row: pl.DataFrame = gaps[i]
-
-        # the gap's RIGHT-most bar's OPEN value
-        # at that time (sample) step.
-        iend: int = row['index'][0]
-        # dt: datetime = row['dt'][0]
-        # dt_prev: datetime = row['dt_prev'][0]
-        # dt_end_t: float = dt.timestamp()
-
-
-        # TODO: can we eventually remove this
-        # once we figure out why the epoch cols
-        # don't match?
-        # TODO: FIX HOW/WHY these aren't matching
-        # and are instead off by 4hours (EST
-        # vs. UTC?!?!)
-        # end_t: float = row['time']
-        # assert (
-        #     dt.timestamp()
-        #     ==
-        #     end_t
-        # )
-
-        # the gap's LEFT-most bar's CLOSE value
-        # at that time (sample) step.
-        prev_r: pl.DataFrame = wdts.filter(
-            pl.col('index') == iend - 1
-        )
-        # XXX: probably a gap in the (newly sorted or de-duplicated)
-        # dt-df, so we might need to re-index first..
-        if prev_r.is_empty():
-            await tractor.pause()
-
-        istart: int = prev_r['index'][0]
-        # dt_start_t: float = dt_prev.timestamp()
-
-        # start_t: float = prev_r['time']
-        # assert (
-        #     dt_start_t
-        #     ==
-        #     start_t
-        # )
-
-        # TODO: implement px-col width measure
-        # and ensure at least as many px-cols
-        # shown per rect as configured by user.
-        # gap_w: float = abs((iend - istart))
-        # if gap_w < 6:
-        #     margin: float = 6
-        #     iend += margin
-        #     istart -= margin
-
-        rect_gap: float = BGM*3/8
-        opn: float = row['open'][0]
-        ro: tuple[float, float] = (
-            # dt_end_t,
-            iend + rect_gap + 1,
-            opn,
-        )
-        cls: float = prev_r['close'][0]
-        lc: tuple[float, float] = (
-            # dt_start_t,
-            istart - rect_gap, # + 1 ,
-            cls,
-        )
-
-        color: str = 'dad_blue'
-        diff: float = cls - opn
-        sgn: float = copysign(1, diff)
-        color: str = {
-            -1: 'buy_green',
-            1: 'sell_red',
-        }[sgn]
-
-        rect_kwargs: dict[str, Any] = dict(
-            fqme=fqme,
-            timeframe=timeframe,
-            start_pos=lc,
-            end_pos=ro,
-            color=color,
-        )
-
-        aid: int = await actl.add_rect(**rect_kwargs)
-        assert aid
-        aids[aid] = rect_kwargs
-
-    # tell chart to redraw all its
-    # graphics view layers Bo
-    await actl.redraw(
-        fqme=fqme,
-        timeframe=timeframe,
-    )
-    return aids
-
-
 @store.command()
 def ldshm(
     fqme: str,
     write_parquet: bool = True,
     reload_parquet_to_shm: bool = True,
+    pdb: bool = False,  # --pdb passed?
 
 ) -> None:
     '''
@@ -377,7 +260,7 @@ def ldshm(
             open_piker_runtime(
                 'polars_boi',
                 enable_modules=['piker.data._sharedmem'],
-                debug_mode=True,
+                debug_mode=pdb,
             ),
             open_storage_client() as (
                 mod,
@@ -397,6 +280,9 @@ def ldshm(
 
                 times: np.ndarray = shm.array['time']
                 d1: float = float(times[-1] - times[-2])
+                d2: float = 0
+                # XXX, take a median sample rate if sufficient data
+                if times.size > 2:
                     d2: float = float(times[-2] - times[-3])
                     med: float = np.median(np.diff(times))
                     if (
@@ -407,7 +293,6 @@ def ldshm(
                         raise ValueError(
                             f'Something is wrong with time period for {shm}:\n{times}'
                         )
-
                 period_s: float = float(max(d1, d2, med))
 
                 null_segs: tuple = tsp.get_null_segs(
@@ -417,6 +302,8 @@ def ldshm(
 
                 # TODO: call null-seg fixer somehow?
                 if null_segs:
+
+                    if tractor._state.is_debug_mode():
                         await tractor.pause()
                 #     async with (
                 #         trio.open_nursery() as tn,
@@ -441,9 +328,35 @@ def ldshm(
                     wdts,
                     deduped,
                     diff,
-                ) = tsp.dedupe(
+                    valid_races,
+                    dq_issues,
+                ) = tsp.dedupe_ohlcv_smart(
                     shm_df,
-                    period=period_s,
+                )
+
+                # Report duplicate analysis
+                if diff > 0:
+                    log.info(
+                        f'Removed {diff} duplicate timestamp(s)\n'
+                    )
+                    if valid_races is not None:
+                        identical: int = (
+                            valid_races
+                            .filter(pl.col('identical_bars'))
+                            .height
+                        )
+                        monotonic: int = valid_races.height - identical
+                        log.info(
+                            f'Valid race conditions: {valid_races.height}\n'
+                            f'  - Identical bars: {identical}\n'
+                            f'  - Volume monotonic: {monotonic}\n'
+                        )
+
+                    if dq_issues is not None:
+                        log.warning(
+                            f'DATA QUALITY ISSUES from provider: '
+                            f'{dq_issues.height} timestamp(s)\n'
+                            f'{dq_issues}\n'
                         )
 
                 # detect gaps from in expected (uniform OHLC) sample period
@@ -460,7 +373,8 @@ def ldshm(
 
                     # TODO: actually pull the exact duration
                     # expected for each venue operational period?
-                    gap_dt_unit='days',
+                    # gap_dt_unit='day',
+                    gap_dt_unit='day',
                     gap_thresh=1,
                 )
 
@@ -471,8 +385,11 @@ def ldshm(
                 if (
                     not venue_gaps.is_empty()
                     or (
-                        period_s < 60
+                        not step_gaps.is_empty()
-                        and not step_gaps.is_empty()
+                        # XXX, i presume i put this bc i was guarding
+                        # for ib venue gaps?
+                        # and
+                        # period_s < 60
                     )
                 ):
                     # write repaired ts to parquet-file?
@@ -521,7 +438,7 @@ def ldshm(
                     do_markup_gaps: bool = True
                     if do_markup_gaps:
                         new_df: pl.DataFrame = tsp.np2pl(new)
-                        aids: dict = await markup_gaps(
+                        aids: dict = await tsp._annotate.markup_gaps(
                             fqme,
                             period_s,
                             actl,
@@ -530,12 +447,23 @@ def ldshm(
                         )
                         # last chance manual overwrites in REPL
                         # await tractor.pause()
-                        assert aids
+                        if not aids:
+                            log.warning(
+                                f'No gaps were found !?\n'
+                                f'fqme: {fqme!r}\n'
+                                f'timeframe: {period_s!r}\n'
+                                f"WELL THAT'S GOOD NOOZ!\n"
+                            )
                         tf2aids[period_s] = aids
 
                 else:
-                    # allow interaction even when no ts problems.
+                    # No significant gaps to handle, but may have had
-                    assert not diff
+                    # duplicates removed (valid race conditions are ok)
+                    if diff > 0 and dq_issues is not None:
+                        log.warning(
+                            'Found duplicates with data quality issues '
+                            'but no significant time gaps!\n'
+                        )
 
             await tractor.pause()
             log.info('Exiting TSP shm anal-izer!')

piker/tsp/_anal.py

@@ -54,10 +54,10 @@ from ..log import (
 # for "time series processing"
 subsys: str = 'piker.tsp'
 
-log = get_logger(subsys)
+log = get_logger(name=__name__)
 get_console_log = partial(
     get_console_log,
-    name=subsys,
+    name=subsys,  # activate for subsys-pkg "downward"
 )
 
 # NOTE: union type-defs to handle generic `numpy` and `polars` types
@@ -275,6 +275,18 @@ def get_null_segs(
         # diff of abs index steps between each zeroed row
         absi_zdiff: np.ndarray = np.diff(absi_zeros)
 
+        if zero_t.size < 2:
+            try:
+                breakpoint()
+            except RuntimeError:
+                # XXX, if greenback not active from
+                # piker store ldshm cmd..
+                log.exception(
+                    "Can't debug single-sample null!\n"
+                )
+
+            return None
+
         # scan for all frame-indices where the
         # zeroed-row-abs-index-step-diff is greater then the
         # expected increment of 1.
@@ -487,7 +499,8 @@ def iter_null_segs(
         start_dt = None
         if (
             absi_start is not None
-            and start_t != 0
+            and
+            start_t != 0
         ):
             fi_start: int = absi_start - absi_first
             start_row: Seq = frame[fi_start]
@@ -501,8 +514,8 @@ def iter_null_segs(
         yield (
             absi_start, absi_end,  # abs indices
             fi_start, fi_end,  # relative "frame" indices
-            start_t, end_t,
+            start_t, end_t,  # epoch times
-            start_dt, end_dt,
+            start_dt, end_dt,  # dts
         )
 
 
@@ -578,11 +591,22 @@ def detect_time_gaps(
     # NOTE: this flag is to indicate that on this (sampling) time
     # scale we expect to only be filtering against larger venue
     # closures-scale time gaps.
+    #
+    # Map to total_ method since `dt_diff` is a duration type,
+    # not datetime - modern polars requires `total_*` methods
+    # for duration types (e.g. `total_days()` not `day()`)
+    # Ensure plural form for polars API (e.g. 'day' -> 'days')
+    unit_plural: str = (
+        gap_dt_unit
+        if gap_dt_unit.endswith('s')
+        else f'{gap_dt_unit}s'
+    )
+    duration_method: str = f'total_{unit_plural}'
     return step_gaps.filter(
         # Second by an arbitrary dt-unit step size
         getattr(
             pl.col('dt_diff').dt,
-            gap_dt_unit,
+            duration_method,
         )().abs() > gap_thresh
     )
 

piker/tsp/_annotate.py

@@ -0,0 +1,306 @@
+# piker: trading gear for hackers
+# Copyright (C) 2018-present  Tyler Goodlet (in stewardship of pikers)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""
+Time-series (remote) annotation APIs.
+
+"""
+from __future__ import annotations
+from math import copysign
+from typing import (
+    Any,
+    TYPE_CHECKING,
+)
+
+import polars as pl
+import tractor
+
+from piker.data._formatters import BGM
+from piker.storage import log
+from piker.ui._style import get_fonts
+
+if TYPE_CHECKING:
+    from piker.ui._remote_ctl import AnnotCtl
+
+
+def humanize_duration(
+    seconds: float,
+) -> str:
+    '''
+    Convert duration in seconds to short human-readable form.
+
+    Uses smallest appropriate time unit:
+    - d: days
+    - h: hours
+    - m: minutes
+    - s: seconds
+
+    Examples:
+    - 86400 -> "1d"
+    - 28800 -> "8h"
+    - 180 -> "3m"
+    - 45 -> "45s"
+
+    '''
+    abs_secs: float = abs(seconds)
+
+    if abs_secs >= 86400:
+        days: float = abs_secs / 86400
+        if days >= 10 or days == int(days):
+            return f'{int(days)}d'
+        return f'{days:.1f}d'
+
+    elif abs_secs >= 3600:
+        hours: float = abs_secs / 3600
+        if hours >= 10 or hours == int(hours):
+            return f'{int(hours)}h'
+        return f'{hours:.1f}h'
+
+    elif abs_secs >= 60:
+        mins: float = abs_secs / 60
+        if mins >= 10 or mins == int(mins):
+            return f'{int(mins)}m'
+        return f'{mins:.1f}m'
+
+    else:
+        if abs_secs >= 10 or abs_secs == int(abs_secs):
+            return f'{int(abs_secs)}s'
+        return f'{abs_secs:.1f}s'
+
+
+async def markup_gaps(
+    fqme: str,
+    timeframe: float,
+    actl: AnnotCtl,
+    wdts: pl.DataFrame,
+    gaps: pl.DataFrame,
+
+    # XXX, switch on to see txt showing a "humanized" label of each
+    # gap's duration.
+    show_txt: bool = False,
+
+) -> dict[int, dict]:
+    '''
+    Remote annotate time-gaps in a dt-fielded ts (normally OHLC)
+    with rectangles.
+
+    '''
+    # XXX: force chart redraw FIRST to ensure PlotItem coordinate
+    # system is properly initialized before we position annotations!
+    # Without this, annotations may be misaligned on first creation
+    # due to Qt/pyqtgraph initialization race conditions.
+    await actl.redraw(
+        fqme=fqme,
+        timeframe=timeframe,
+    )
+
+    aids: dict[int] = {}
+    for i in range(gaps.height):
+        row: pl.DataFrame = gaps[i]
+
+        # the gap's RIGHT-most bar's OPEN value
+        # at that time (sample) step.
+        iend: int = row['index'][0]
+
+        # dt: datetime = row['dt'][0]
+        # dt_prev: datetime = row['dt_prev'][0]
+        # dt_end_t: float = dt.timestamp()
+
+
+        # TODO: can we eventually remove this
+        # once we figure out why the epoch cols
+        # don't match?
+        # TODO: FIX HOW/WHY these aren't matching
+        # and are instead off by 4hours (EST
+        # vs. UTC?!?!)
+        # end_t: float = row['time']
+        # assert (
+        #     dt.timestamp()
+        #     ==
+        #     end_t
+        # )
+
+        # the gap's LEFT-most bar's CLOSE value
+        # at that time (sample) step.
+        prev_r: pl.DataFrame = wdts.filter(
+            pl.col('index') == iend - 1
+        )
+        # XXX: probably a gap in the (newly sorted or de-duplicated)
+        # dt-df, so we might need to re-index first..
+        dt: pl.Series = row['dt']
+        dt_prev: pl.Series = row['dt_prev']
+        if prev_r.is_empty():
+
+            # XXX, filter out any special ignore cases,
+            # - UNIX-epoch stamped datums
+            # - first row
+            if (
+                dt_prev.dt.epoch()[0] == 0
+                or
+                dt.dt.epoch()[0] == 0
+            ):
+                log.warning('Skipping row with UNIX epoch timestamp ??')
+                continue
+
+            if wdts[0]['index'][0] == iend:  # first row
+                log.warning('Skipping first-row (has no previous obvi) !!')
+                continue
+
+            # XXX, if the previous-row by shm-index is missing,
+            # meaning there is a missing sample (set), get the prior
+            # row by df index and attempt to use it?
+            i_wdts: pl.DataFrame = wdts.with_row_index(name='i')
+            i_row: int = i_wdts.filter(pl.col('index') == iend)['i'][0]
+            prev_row_by_i = wdts[i_row]
+            prev_r: pl.DataFrame = prev_row_by_i
+
+            # debug any missing pre-row
+            if tractor._state.is_debug_mode():
+                await tractor.pause()
+
+        istart: int = prev_r['index'][0]
+        # TODO: implement px-col width measure
+        # and ensure at least as many px-cols
+        # shown per rect as configured by user.
+        # gap_w: float = abs((iend - istart))
+        # if gap_w < 6:
+        #     margin: float = 6
+        #     iend += margin
+        #     istart -= margin
+
+        opn: float = row['open'][0]
+        cls: float = prev_r['close'][0]
+
+        # get gap duration for humanized label
+        gap_dur_s: float = row['s_diff'][0]
+        gap_label: str = humanize_duration(gap_dur_s)
+
+        # XXX: get timestamps for server-side index lookup
+        start_time: float = prev_r['time'][0]
+        end_time: float = row['time'][0]
+
+        # BGM=0.16 is the normal diff from overlap between bars, SO
+        # just go slightly "in" from that "between them".
+        from_idx: int = BGM - .06  # = .10
+        lc: tuple[float, float] = (
+            istart + 1 - from_idx,
+            cls,
+        )
+        ro: tuple[float, float] = (
+            iend + from_idx,
+            opn,
+        )
+
+        diff: float = cls - opn
+        sgn: float = copysign(1, diff)
+        up_gap: bool = sgn == -1
+        down_gap: bool = sgn == 1
+        flat: bool = sgn == 0
+
+        color: str = 'dad_blue'
+        # TODO? mks more sense to have up/down coloring?
+        # color: str = {
+        #     -1: 'lilypad_green',  # up-gap
+        #     1: 'wine',  # down-gap
+        # }[sgn]
+
+        rect_kwargs: dict[str, Any] = dict(
+            fqme=fqme,
+            timeframe=timeframe,
+            start_pos=lc,
+            end_pos=ro,
+            color=color,
+            start_time=start_time,
+            end_time=end_time,
+        )
+
+        # add up/down rects
+        aid: int|None = await actl.add_rect(**rect_kwargs)
+        if aid is None:
+            log.error(
+                f'Failed to add rect for,\n'
+                f'{rect_kwargs!r}\n'
+                f'\n'
+                f'Skipping to next gap!\n'
+            )
+            continue
+
+        assert aid
+        aids[aid] = rect_kwargs
+        direction: str = (
+            'down' if down_gap
+            else 'up'
+        )
+        # TODO! mk this a `msgspec.Struct` which we deserialize
+        # on the server side!
+        # XXX: send timestamp for server-side index lookup
+        # to ensure alignment with current shm state
+        gap_time: float = row['time'][0]
+        arrow_kwargs: dict[str, Any] = dict(
+            fqme=fqme,
+            timeframe=timeframe,
+            x=iend,  # fallback if timestamp lookup fails
+            y=cls,
+            time=gap_time,  # for server-side index lookup
+            color=color,
+            alpha=169,
+            pointing=direction,
+            # TODO: expose these as params to markup_gaps()?
+            headLen=10,
+            headWidth=2.222,
+            pxMode=True,
+        )
+
+        aid: int = await actl.add_arrow(
+            **arrow_kwargs
+        )
+
+        # add duration label to RHS of arrow
+        if up_gap:
+            anchor = (0, 0)
+            # ^XXX? i dun get dese dims.. XD
+        elif down_gap:
+            anchor = (0, 1)  # XXX y, x?
+        else:  # no-gap?
+            assert flat
+            anchor = (0, 0)  # up from bottom
+
+        # use a slightly smaller font for gap label txt.
+        font, small_font = get_fonts()
+        font_size: int = small_font.px_size - 1
+        assert isinstance(font_size, int)
+
+        if show_txt:
+            text_aid: int = await actl.add_text(
+                fqme=fqme,
+                timeframe=timeframe,
+                text=gap_label,
+                x=iend + 1,  # fallback if timestamp lookup fails
+                y=cls,
+                time=gap_time,  # server-side index lookup
+                color=color,
+                anchor=anchor,
+                font_size=font_size,
+            )
+            aids[text_aid] = {'text': gap_label}
+
+    # tell chart to redraw all its
+    # graphics view layers Bo
+    await actl.redraw(
+        fqme=fqme,
+        timeframe=timeframe,
+    )
+    return aids

piker/tsp/_dedupe_smart.py

@@ -0,0 +1,206 @@
+'''
+Smart OHLCV deduplication with data quality validation.
+
+Handles concurrent write conflicts by keeping the most complete bar
+(highest volume) while detecting data quality anomalies.
+
+'''
+import polars as pl
+
+from ._anal import with_dts
+
+
+def dedupe_ohlcv_smart(
+    src_df: pl.DataFrame,
+    time_col: str = 'time',
+    volume_col: str = 'volume',
+    sort: bool = True,
+
+) -> tuple[
+    pl.DataFrame,  # with dts
+    pl.DataFrame,  # deduped (keeping higher volume bars)
+    int,  # count of dupes removed
+    pl.DataFrame|None,  # valid race conditions
+    pl.DataFrame|None,  # data quality violations
+]:
+    '''
+    Smart OHLCV deduplication keeping most complete bars.
+
+    For duplicate timestamps, keeps bar with highest volume under
+    the assumption that higher volume indicates more complete/final
+    data from backfill vs partial live updates.
+
+    Returns
+    -------
+    Tuple of:
+    - wdts: original dataframe with datetime columns added
+    - deduped: deduplicated frame keeping highest-volume bars
+    - diff: number of duplicate rows removed
+    - valid_races: duplicates meeting expected race condition pattern
+      (volume monotonic, OHLC ranges valid)
+    - data_quality_issues: duplicates violating expected relationships
+      indicating provider data problems
+
+    '''
+    wdts: pl.DataFrame = with_dts(src_df)
+
+    # Find duplicate timestamps
+    dupes: pl.DataFrame = wdts.filter(
+        pl.col(time_col).is_duplicated()
+    )
+
+    if dupes.is_empty():
+        # No duplicates, return as-is
+        return (wdts, wdts, 0, None, None)
+
+    # Analyze duplicate groups for validation
+    dupe_analysis: pl.DataFrame = (
+        dupes
+        .sort([time_col, 'index'])
+        .group_by(time_col, maintain_order=True)
+        .agg([
+            pl.col('index').alias('indices'),
+            pl.col('volume').alias('volumes'),
+            pl.col('high').alias('highs'),
+            pl.col('low').alias('lows'),
+            pl.col('open').alias('opens'),
+            pl.col('close').alias('closes'),
+            pl.col('dt').first().alias('dt'),
+            pl.len().alias('count'),
+        ])
+    )
+
+    # Validate OHLCV monotonicity for each duplicate group
+    def check_ohlcv_validity(row) -> dict[str, bool]:
+        '''
+        Check if duplicate bars follow expected race condition pattern.
+
+        For a valid live-update → backfill race:
+        - volume should be monotonically increasing
+        - high should be monotonically non-decreasing
+        - low should be monotonically non-increasing
+        - open should be identical (fixed at bar start)
+
+        Returns dict of violation flags.
+
+        '''
+        vols: list = row['volumes']
+        highs: list = row['highs']
+        lows: list = row['lows']
+        opens: list = row['opens']
+
+        violations: dict[str, bool] = {
+            'volume_non_monotonic': False,
+            'high_decreased': False,
+            'low_increased': False,
+            'open_mismatch': False,
+            'identical_bars': False,
+        }
+
+        # Check if all bars are identical (pure duplicate)
+        if (
+            len(set(vols)) == 1
+            and len(set(highs)) == 1
+            and len(set(lows)) == 1
+            and len(set(opens)) == 1
+        ):
+            violations['identical_bars'] = True
+            return violations
+
+        # Check volume monotonicity
+        for i in range(1, len(vols)):
+            if vols[i] < vols[i-1]:
+                violations['volume_non_monotonic'] = True
+                break
+
+        # Check high monotonicity (can only increase or stay same)
+        for i in range(1, len(highs)):
+            if highs[i] < highs[i-1]:
+                violations['high_decreased'] = True
+                break
+
+        # Check low monotonicity (can only decrease or stay same)
+        for i in range(1, len(lows)):
+            if lows[i] > lows[i-1]:
+                violations['low_increased'] = True
+                break
+
+        # Check open consistency (should be fixed)
+        if len(set(opens)) > 1:
+            violations['open_mismatch'] = True
+
+        return violations
+
+    # Apply validation
+    dupe_analysis = dupe_analysis.with_columns([
+        pl.struct(['volumes', 'highs', 'lows', 'opens'])
+        .map_elements(
+            check_ohlcv_validity,
+            return_dtype=pl.Struct([
+                pl.Field('volume_non_monotonic', pl.Boolean),
+                pl.Field('high_decreased', pl.Boolean),
+                pl.Field('low_increased', pl.Boolean),
+                pl.Field('open_mismatch', pl.Boolean),
+                pl.Field('identical_bars', pl.Boolean),
+            ])
+        )
+        .alias('validity')
+    ])
+
+    # Unnest validity struct
+    dupe_analysis = dupe_analysis.unnest('validity')
+
+    # Separate valid races from data quality issues
+    valid_races: pl.DataFrame|None = (
+        dupe_analysis
+        .filter(
+            # Valid if no violations OR just identical bars
+            ~pl.col('volume_non_monotonic')
+            & ~pl.col('high_decreased')
+            & ~pl.col('low_increased')
+            & ~pl.col('open_mismatch')
+        )
+    )
+    if valid_races.is_empty():
+        valid_races = None
+
+    data_quality_issues: pl.DataFrame|None = (
+        dupe_analysis
+        .filter(
+            # Issues if any non-identical violation exists
+            (
+                pl.col('volume_non_monotonic')
+                | pl.col('high_decreased')
+                | pl.col('low_increased')
+                | pl.col('open_mismatch')
+            )
+            & ~pl.col('identical_bars')
+        )
+    )
+    if data_quality_issues.is_empty():
+        data_quality_issues = None
+
+    # Deduplicate: keep highest volume bar for each timestamp
+    deduped: pl.DataFrame = (
+        wdts
+        .sort([time_col, volume_col])
+        .unique(
+            subset=[time_col],
+            keep='last',
+            maintain_order=False,
+        )
+    )
+
+    # Re-sort by time or index
+    if sort:
+        deduped = deduped.sort(by=time_col)
+
+    diff: int = wdts.height - deduped.height
+
+    return (
+        wdts,
+        deduped,
+        diff,
+        valid_races,
+        data_quality_issues,
+    )

piker/ui/_app.py

@@ -33,7 +33,10 @@ from . import _search
 from ..accounting import unpack_fqme
 from ..data._symcache import open_symcache
 from ..data.feed import install_brokerd_search
-from ..log import get_logger
+from ..log import (
+    get_logger,
+    get_console_log,
+)
 from ..service import maybe_spawn_brokerd
 from ._exec import run_qtractor
 
@@ -87,6 +90,13 @@ async def _async_main(
     Provision the "main" widget with initial symbol data and root nursery.
 
     """
+    # enable chart's console logging
+    if loglevel:
+        get_console_log(
+            level=loglevel,
+            name=__name__,
+        )
+
     # set as singleton
     _chart._godw = main_widget
 

piker/ui/_cursor.py

@@ -413,9 +413,18 @@ class Cursor(pg.GraphicsObject):
         self,
         item: pg.GraphicsObject,
     ) -> None:
-        assert getattr(item, 'delete'), f"{item} must define a ``.delete()``"
+        assert getattr(
+            item,
+            'delete',
+        ), f"{item} must define a ``.delete()``"
         self._hovered.add(item)
 
+    def is_hovered(
+        self,
+        item: pg.GraphicsObject,
+    ) -> bool:
+        return item in self._hovered
+
     def add_plot(
         self,
         plot: ChartPlotWidget,  # noqa

piker/ui/_dataviz.py

@@ -45,7 +45,7 @@ from piker.ui.qt import QLineF
 from ..data._sharedmem import (
     ShmArray,
 )
-from ..data.feed import Flume
+from ..data.flows import Flume
 from ..data._formatters import (
     IncrementalFormatter,
     OHLCBarsFmtr,  # Plain OHLC renderer

piker/ui/_display.py

@@ -21,6 +21,7 @@ this module ties together quote and computational (fsp) streams with
 graphics update methods via our custom ``pyqtgraph`` charting api.
 
 '''
+from functools import partial
 import itertools
 from math import floor
 import time
@@ -208,6 +209,7 @@ class DisplayState(Struct):
 async def increment_history_view(
     # min_istream: tractor.MsgStream,
     ds: DisplayState,
+    loglevel: str = 'warning',
 ):
     hist_chart: ChartPlotWidget = ds.hist_chart
     hist_viz: Viz = ds.hist_viz
@@ -229,7 +231,10 @@ async def increment_history_view(
         hist_viz.reset_graphics()
         # hist_viz.update_graphics(force_redraw=True)
 
-    async with open_sample_stream(1.) as min_istream:
+    async with open_sample_stream(
+        period_s=1.,
+        loglevel=loglevel,
+    ) as min_istream:
         async for msg in min_istream:
 
             profiler = Profiler(
@@ -310,7 +315,6 @@ async def increment_history_view(
 
 
 async def graphics_update_loop(
-
     dss: dict[str, DisplayState],
     nurse: trio.Nursery,
     godwidget: GodWidget,
@@ -319,6 +323,7 @@ async def graphics_update_loop(
 
     pis: dict[str, list[pgo.PlotItem, pgo.PlotItem]] = {},
     vlm_charts: dict[str, ChartPlotWidget] = {},
+    loglevel: str = 'warning',
 
 ) -> None:
     '''
@@ -462,9 +467,12 @@ async def graphics_update_loop(
         # })
 
         nurse.start_soon(
+            partial(
                 increment_history_view,
                 # min_istream,
-            ds,
+                ds=ds,
+                loglevel=loglevel,
+            ),
         )
         await trio.sleep(0)
 
@@ -511,14 +519,19 @@ async def graphics_update_loop(
                     fast_chart.linked.isHidden()
                     or not rt_pi.isVisible()
                 ):
-                    print(f'{fqme} skipping update for HIDDEN CHART')
+                    log.debug(
+                        f'{fqme} skipping update for HIDDEN CHART'
+                    )
                     fast_chart.pause_all_feeds()
                     continue
 
                 ic = fast_chart.view._in_interact
                 if ic:
                     fast_chart.pause_all_feeds()
-                    print(f'{fqme} PAUSING DURING INTERACTION')
+                    log.debug(
+                        f'Pausing chart updaates during interaction\n'
+                        f'fqme: {fqme!r}'
+                    )
                     await ic.wait()
                     fast_chart.resume_all_feeds()
 
@@ -1591,15 +1604,18 @@ async def display_symbol_data(
             # start update loop task
             dss: dict[str, DisplayState] = {}
             ln.start_soon(
+                partial(
                     graphics_update_loop,
-                dss,
+                    dss=dss,
-                ln,
+                    nurse=ln,
-                godwidget,
+                    godwidget=godwidget,
-                feed,
+                    feed=feed,
                     # min_istream,
 
-                pis,
+                    pis=pis,
-                vlm_charts,
+                    vlm_charts=vlm_charts,
+                    loglevel=loglevel,
+                )
             )
 
             # boot order-mode

piker/ui/_editors.py

@@ -21,6 +21,7 @@ Higher level annotation editors.
 from __future__ import annotations
 from collections import defaultdict
 from typing import (
+    Literal,
     Sequence,
     TYPE_CHECKING,
 )
@@ -71,9 +72,18 @@ log = get_logger(__name__)
 
 
 class ArrowEditor(Struct):
+    '''
+    Annotate a chart-view with arrows most often used for indicating,
+    - order txns/clears,
+    - positions directions,
+    - general points-of-interest like nooz events.
 
+    '''
     godw: GodWidget = None  # type: ignore # noqa
-    _arrows: dict[str, list[pg.ArrowItem]] = {}
+    _arrows: dict[
+        str,
+        list[pg.ArrowItem]
+    ] = {}
 
     def add(
         self,
@@ -81,8 +91,19 @@ class ArrowEditor(Struct):
         uid: str,
         x: float,
         y: float,
-        color: str = 'default',
+        color: str|None = None,
-        pointing: str | None = None,
+        pointing: Literal[
+            'up',
+            'down',
+            None,
+        ] = None,
+        alpha: int = 255,
+        zval: float = 1e9,
+        headLen: float|None = None,
+        headWidth: float|None = None,
+        tailLen: float|None = None,
+        tailWidth: float|None = None,
+        pxMode: bool = True,
 
     ) -> pg.ArrowItem:
         '''
@@ -98,29 +119,83 @@ class ArrowEditor(Struct):
         # scale arrow sizing to dpi-aware font
         size = _font.font.pixelSize() * 0.8
 
+        # allow caller override of head dimensions
+        if headLen is None:
+            headLen = size
+        if headWidth is None:
+            headWidth = size/2
+        # tail params default to None (no tail)
+        if tailWidth is None:
+            tailWidth = 3
+
+        color = color or 'default'
+        color = QColor(hcolor(color))
+        color.setAlpha(alpha)
+        pen = fn.mkPen(color, width=1)
+        brush = fn.mkBrush(color)
         arrow = pg.ArrowItem(
             angle=angle,
             baseAngle=0,
-            headLen=size,
+            headLen=headLen,
-            headWidth=size/2,
+            headWidth=headWidth,
-            tailLen=None,
+            tailLen=tailLen,
-            pxMode=True,
+            tailWidth=tailWidth,
-
+            pxMode=pxMode,
             # coloring
-            pen=pg.mkPen(hcolor('papas_special')),
+            pen=pen,
-            brush=pg.mkBrush(hcolor(color)),
+            brush=brush,
         )
+        arrow.setZValue(zval)
         arrow.setPos(x, y)
-        self._arrows.setdefault(uid, []).append(arrow)
+        plot.addItem(arrow)  # render to view
 
-        # render to view
+        # register for removal
-        plot.addItem(arrow)
+        arrow._uid = uid
+        self._arrows.setdefault(
+            uid, []
+        ).append(arrow)
 
         return arrow
 
-    def remove(self, arrow) -> bool:
+    def remove(
+        self,
+        arrow: pg.ArrowItem,
+    ) -> None:
+        '''
+        Remove a *single arrow* from all chart views to which it was
+        added.
+
+        '''
+        uid: str = arrow._uid
+        arrows: list[pg.ArrowItem] = self._arrows[uid]
+        log.info(
+            f'Removing arrow from views\n'
+            f'uid: {uid!r}\n'
+            f'{arrow!r}\n'
+        )
         for linked in self.godw.iter_linked():
-            linked.chart.plotItem.removeItem(arrow)
+            if not (chart := linked.chart):
+                continue
+
+            chart.plotItem.removeItem(arrow)
+        try:
+            arrows.remove(arrow)
+        except ValueError:
+            log.warning(
+                f'Arrow was already removed?\n'
+                f'uid: {uid!r}\n'
+                f'{arrow!r}\n'
+            )
+
+    def remove_all(self) -> set[pg.ArrowItem]:
+        '''
+        Remove all arrows added by this editor from all
+        chart-views.
+
+        '''
+        for uid, arrows in self._arrows.items():
+            for arrow in arrows:
+                self.remove(arrow)
 
 
 class LineEditor(Struct):
@@ -266,6 +341,9 @@ class LineEditor(Struct):
 
         return lines
 
+    # compat with ArrowEditor
+    remove = remove_line
+
 
 def as_point(
     pair: Sequence[float, float] | QPointF,
@@ -614,3 +692,6 @@ class SelectRect(QtWidgets.QGraphicsRectItem):
 
         ):
             scen.removeItem(self._label_proxy)
+
+    # compat with ArrowEditor
+    remove = delete

piker/ui/_fsp.py

@@ -183,13 +183,17 @@ async def open_fsp_sidepane(
 
 @acm
 async def open_fsp_actor_cluster(
-    names: list[str] = ['fsp_0', 'fsp_1'],
+    names: list[str] = [
+        'fsp_0',
+        'fsp_1',
+    ],
 
 ) -> AsyncGenerator[
     int,
     dict[str, tractor.Portal]
 ]:
 
+    # TODO! change to .experimental!
     from tractor._clustering import open_actor_cluster
 
     # profiler = Profiler(
@@ -197,7 +201,7 @@ async def open_fsp_actor_cluster(
     #     disabled=False
     # )
     async with open_actor_cluster(
-        count=2,
+        count=len(names),
         names=names,
         modules=['piker.fsp._engine'],
 
@@ -497,7 +501,8 @@ class FspAdmin:
 
         portal: tractor.Portal = (
             self.cluster.get(worker_name)
-            or self.rr_next_portal()
+            or
+            self.rr_next_portal()
         )
 
         # TODO: this should probably be turned into a

piker/ui/_interaction.py

@@ -43,6 +43,7 @@ from pyqtgraph import (
     functions as fn,
 )
 import numpy as np
+import tractor
 import trio
 
 from piker.ui.qt import (
@@ -72,7 +73,10 @@ if TYPE_CHECKING:
         GodWidget,
     )
     from ._dataviz import Viz
-    from .order_mode import OrderMode
+    from .order_mode import (
+        OrderMode,
+        Dialog,
+    )
     from ._display import DisplayState
 
 
@@ -130,7 +134,12 @@ async def handle_viewmode_kb_inputs(
 
     async for kbmsg in recv_chan:
         event, etype, key, mods, text = kbmsg.to_tuple()
-        log.debug(f'key: {key}, mods: {mods}, text: {text}')
+        log.debug(
+            f'View-mode kb-msg received,\n'
+            f'mods: {mods!r}\n'
+            f'key: {key!r}\n'
+            f'text: {text!r}\n'
+        )
         now = time.time()
         period = now - last
 
@@ -158,8 +167,12 @@ async def handle_viewmode_kb_inputs(
             # have no previous keys or we do and the min_tap period is
             # met
             if (
-                not fast_key_seq or
+                not fast_key_seq
-                period <= min_tap and fast_key_seq
+                or (
+                    period <= min_tap
+                    and
+                    fast_key_seq
+                )
             ):
                 fast_key_seq.append(text)
                 log.debug(f'fast keys seqs {fast_key_seq}')
@@ -174,7 +187,8 @@ async def handle_viewmode_kb_inputs(
             # UI REPL-shell, with ctrl-p (for "pause")
             if (
                 ctrl
-                and key in {
+                and
+                key in {
                     Qt.Key_P,
                 }
             ):
@@ -184,7 +198,6 @@ async def handle_viewmode_kb_inputs(
                 vlm_chart = chart.linked.subplots['volume']  # noqa
                 vlm_viz = vlm_chart.main_viz  # noqa
                 dvlm_pi = vlm_chart._vizs['dolla_vlm'].plot  # noqa
-                import tractor
                 await tractor.pause()
                 view.interact_graphics_cycle()
 
@@ -192,7 +205,8 @@ async def handle_viewmode_kb_inputs(
             # shown data `Viz`s for the current chart app.
             if (
                 ctrl
-                and key in {
+                and
+                key in {
                     Qt.Key_R,
                 }
             ):
@@ -231,7 +245,8 @@ async def handle_viewmode_kb_inputs(
                 key == Qt.Key_Escape
                 or (
                     ctrl
-                    and key == Qt.Key_C
+                    and
+                    key == Qt.Key_C
                 )
             ):
                 # ctrl-c as cancel
@@ -242,17 +257,35 @@ async def handle_viewmode_kb_inputs(
             # cancel order or clear graphics
             if (
                 key == Qt.Key_C
-                or key == Qt.Key_Delete
+                or
+                key == Qt.Key_Delete
             ):
+                # log.info('Handling <c> hotkey!')
+                try:
+                    dialogs: list[Dialog] = order_mode.cancel_orders_under_cursor()
+                except BaseException:
+                    log.exception('Failed to cancel orders !?\n')
+                    await tractor.pause()
 
-                order_mode.cancel_orders_under_cursor()
+                if not dialogs:
+                    log.warning(
+                        'No orders were cancelled?\n'
+                        'Is there an order-line under the cursor?\n'
+                        'If you think there IS your DE might be "hiding the mouse" before '
+                        'we rx the keyboard input via Qt..\n'
+                        '=> Check your DE and/or TWM settings to be sure! <=\n'
+                    )
+                    # ^TODO?, some way to detect if there's lines and
+                    # the DE is cuckin with things?
+                    # await tractor.pause()
 
             # View modes
             if (
                 ctrl
                 and (
                     key == Qt.Key_Equal
-                    or key == Qt.Key_I
+                    or
+                    key == Qt.Key_I
                 )
             ):
                 view.wheelEvent(
@@ -264,7 +297,8 @@ async def handle_viewmode_kb_inputs(
                 ctrl
                 and (
                     key == Qt.Key_Minus
-                    or key == Qt.Key_O
+                    or
+                    key == Qt.Key_O
                 )
             ):
                 view.wheelEvent(
@@ -275,7 +309,8 @@ async def handle_viewmode_kb_inputs(
 
             elif (
                 not ctrl
-                and key == Qt.Key_R
+                and
+                key == Qt.Key_R
             ):
                 # NOTE: seems that if we don't yield a Qt render
                 # cycle then the m4 downsampled curves will show here
@@ -477,7 +512,8 @@ async def handle_viewmode_mouse(
         #     view.raiseContextMenu(event)
 
         if (
-            view.order_mode.active and
+            view.order_mode.active
+            and
             button == QtCore.Qt.LeftButton
         ):
             # when in order mode, submit execution
@@ -781,7 +817,8 @@ class ChartView(ViewBox):
 
         # Scale or translate based on mouse button
         if btn & (
-            QtCore.Qt.LeftButton | QtCore.Qt.MidButton
+            QtCore.Qt.LeftButton
+            | QtCore.Qt.MidButton
         ):
             # zoom y-axis ONLY when click-n-drag on it
             # if axis == 1:

piker/ui/_lines.py

@@ -52,10 +52,13 @@ from ._anchors import (
 from ..calc import humanize
 from ._label import Label
 from ._style import hcolor, _font
+from ..log import get_logger
 
 if TYPE_CHECKING:
     from ._cursor import Cursor
 
+log = get_logger(__name__)
+
 
 # TODO: probably worth investigating if we can
 # make .boundingRect() faster:
@@ -347,7 +350,7 @@ class LevelLine(pg.InfiniteLine):
 
     ) -> None:
         # TODO: enter labels edit mode
-        print(f'double click {ev}')
+        log.debug(f'double click {ev}')
 
     def paint(
         self,
@@ -461,10 +464,19 @@ class LevelLine(pg.InfiniteLine):
         # hovered
         if (
             not ev.isExit()
-            and ev.acceptDrags(QtCore.Qt.LeftButton)
+            and
+            ev.acceptDrags(QtCore.Qt.LeftButton)
         ):
             # if already hovered we don't need to run again
-            if self.mouseHovering is True:
+            if (
+                self.mouseHovering is True
+                and
+                cur.is_hovered(self)
+            ):
+                log.debug(
+                    f'Already hovering ??\n'
+                    f'cur._hovered: {cur._hovered!r}\n'
+                )
                 return
 
             if self.only_show_markers_on_hover:
@@ -481,6 +493,7 @@ class LevelLine(pg.InfiniteLine):
                     cur._y_label_update = False
 
             # add us to cursor state
+            log.debug(f'Adding line {self!r}\n')
             cur.add_hovered(self)
 
             if self._hide_xhair_on_hover:
@@ -508,6 +521,7 @@ class LevelLine(pg.InfiniteLine):
 
             self.currentPen = self.pen
 
+            log.debug(f'Removing line {self!r}\n')
             cur._hovered.remove(self)
 
             if self.only_show_markers_on_hover:

piker/ui/_remote_ctl.py

@@ -27,10 +27,12 @@ from contextlib import (
 from functools import partial
 from pprint import pformat
 from typing import (
-    # Any,
     AsyncContextManager,
+    Literal,
 )
+from uuid import uuid4
 
+import pyqtgraph as pg
 import tractor
 import trio
 from tractor import trionics
@@ -47,12 +49,16 @@ from piker.brokers import SymbolNotFound
 from piker.ui.qt import (
     QGraphicsItem,
 )
+from PyQt6.QtGui import QFont
 from ._display import DisplayState
 from ._interaction import ChartView
-from ._editors import SelectRect
+from ._editors import (
+    SelectRect,
+    ArrowEditor,
+)
 from ._chart import ChartPlotWidget
 from ._dataviz import Viz
-
+from ._style import hcolor
 
 log = get_logger(__name__)
 
@@ -83,8 +89,40 @@ _ctxs: IpcCtxTable = {}
 # the "annotations server" which actually renders to a Qt canvas).
 # type AnnotsTable = dict[int, QGraphicsItem]
 AnnotsTable = dict[int, QGraphicsItem]
+EditorsTable = dict[int, ArrowEditor]
 
 _annots: AnnotsTable  = {}
+_editors: EditorsTable = {}
+
+def rm_annot(
+    annot: ArrowEditor|SelectRect|pg.TextItem
+) -> bool:
+    global _editors
+    match annot:
+        case pg.ArrowItem():
+            editor = _editors[annot._uid]
+            editor.remove(annot)
+            # ^TODO? only remove each arrow or all?
+            # if editor._arrows:
+            #     editor.remove_all()
+            # else:
+            #     log.warning(
+            #         f'Annot already removed!\n'
+            #         f'{annot!r}\n'
+            #     )
+            return True
+
+        case SelectRect():
+            annot.delete()
+            return True
+
+        case pg.TextItem():
+            scene = annot.scene()
+            if scene:
+                scene.removeItem(annot)
+            return True
+
+    return False
 
 
 async def serve_rc_annots(
@@ -95,6 +133,12 @@ async def serve_rc_annots(
     annots: AnnotsTable,
 
 ) -> None:
+    '''
+    A small viz(ualization) server for remote ctl of chart
+    annotations.
+
+    '''
+    global _editors
     async for msg in annot_req_stream:
         match msg:
             case {
@@ -104,14 +148,77 @@ async def serve_rc_annots(
                 'meth': str(meth),
                 'kwargs': dict(kwargs),
             }:
-
                 ds: DisplayState = _dss[fqme]
+                try:
                     chart: ChartPlotWidget = {
                         60: ds.hist_chart,
                         1: ds.chart,
                     }[timeframe]
+                except KeyError:
+                    msg: str = (
+                        f'No chart for timeframe={timeframe}s, '
+                        f'skipping rect annotation'
+                    )
+                    log.exeception(msg)
+                    await annot_req_stream.send({'error': msg})
+                    continue
+
                 cv: ChartView = chart.cv
 
+                # NEW: if timestamps provided, lookup current indices
+                # from shm to ensure alignment with current buffer
+                # state
+                start_time = kwargs.pop('start_time', None)
+                end_time = kwargs.pop('end_time', None)
+                if (
+                    start_time is not None
+                    and end_time is not None
+                ):
+                    viz: Viz = chart.get_viz(fqme)
+                    shm = viz.shm
+                    arr = shm.array
+
+                    # lookup start index
+                    start_matches = arr[arr['time'] == start_time]
+                    if len(start_matches) == 0:
+                        msg: str = (
+                            f'No shm entry for start_time={start_time}, '
+                            f'skipping rect'
+                        )
+                        log.error(msg)
+                        await annot_req_stream.send({'error': msg})
+                        continue
+
+                    # lookup end index
+                    end_matches = arr[arr['time'] == end_time]
+                    if len(end_matches) == 0:
+                        msg: str = (
+                            f'No shm entry for end_time={end_time}, '
+                            f'skipping rect'
+                        )
+                        log.error(msg)
+                        await annot_req_stream.send({'error': msg})
+                        continue
+
+                    # get close price from start bar, open from end
+                    # bar
+                    start_idx = float(start_matches[0]['index'])
+                    end_idx = float(end_matches[0]['index'])
+                    start_close = float(start_matches[0]['close'])
+                    end_open = float(end_matches[0]['open'])
+
+                    # reconstruct start_pos and end_pos with
+                    # looked-up indices
+                    from_idx: float = 0.16 - 0.06  # BGM offset
+                    kwargs['start_pos'] = (
+                        start_idx + 1 - from_idx,
+                        start_close,
+                    )
+                    kwargs['end_pos'] = (
+                        end_idx + from_idx,
+                        end_open,
+                    )
+
                 # annot type lookup from cmd
                 rect = SelectRect(
                     viewbox=cv,
@@ -130,21 +237,207 @@ async def serve_rc_annots(
                 # delegate generically to the requested method
                 getattr(rect, meth)(**kwargs)
                 rect.show()
+
+                # XXX: store absolute coords for repositioning
+                # during viz redraws (eg backfill updates)
+                rect._meth = meth
+                rect._kwargs = kwargs
+
                 aid: int = id(rect)
                 annots[aid] = rect
                 aids: set[int] = ctxs[ipc_key][1]
                 aids.add(aid)
                 await annot_req_stream.send(aid)
 
+            case {
+                'cmd': 'ArrowEditor',
+                'fqme': fqme,
+                'timeframe': timeframe,
+                'meth': 'add'|'remove' as meth,
+                'kwargs': {
+                    'x': float(x),
+                    'y': float(y),
+                    'pointing': pointing,
+                    'color': color,
+                    'aid': str()|None as aid,
+                    'alpha': int(alpha),
+                    'headLen': int()|float()|None as headLen,
+                    'headWidth': int()|float()|None as headWidth,
+                    'tailLen': int()|float()|None as tailLen,
+                    'tailWidth': int()|float()|None as tailWidth,
+                    'pxMode': bool(pxMode),
+                    'time': int()|float()|None as timestamp,
+                },
+                # ?TODO? split based on method fn-sigs?
+                # 'pointing',
+            }:
+                ds: DisplayState = _dss[fqme]
+                try:
+                    chart: ChartPlotWidget = {
+                        60: ds.hist_chart,
+                        1: ds.chart,
+                    }[timeframe]
+                except KeyError:
+                    log.warning(
+                        f'No chart for timeframe={timeframe}s, '
+                        f'skipping arrow annotation'
+                    )
+                    # return -1 to indicate failure
+                    await annot_req_stream.send(-1)
+                    continue
+                cv: ChartView = chart.cv
+                godw = chart.linked.godwidget
+
+                # NEW: if timestamp provided, lookup current index
+                # from shm to ensure alignment with current buffer
+                # state
+                if timestamp is not None:
+                    viz: Viz = chart.get_viz(fqme)
+                    shm = viz.shm
+                    arr = shm.array
+                    # find index where time matches timestamp
+                    matches = arr[arr['time'] == timestamp]
+                    if len(matches) == 0:
+                        log.error(
+                            f'No shm entry for timestamp={timestamp}, '
+                            f'skipping arrow annotation'
+                        )
+                        await annot_req_stream.send(-1)
+                        continue
+                    # use the matched row's index as x
+                    x = float(matches[0]['index'])
+
+                arrows = ArrowEditor(godw=godw)
+                # `.add/.remove()` API
+                if meth != 'add':
+                    # await tractor.pause()
+                    raise ValueError(
+                        f'Invalid arrow-edit request ?\n'
+                        f'{msg!r}\n'
+                    )
+
+                aid: str = str(uuid4())
+                arrow: pg.ArrowItem = arrows.add(
+                    plot=chart.plotItem,
+                    uid=aid,
+                    x=x,
+                    y=y,
+                    pointing=pointing,
+                    color=color,
+                    alpha=alpha,
+                    headLen=headLen,
+                    headWidth=headWidth,
+                    tailLen=tailLen,
+                    tailWidth=tailWidth,
+                    pxMode=pxMode,
+                )
+                # XXX: store absolute coords for repositioning
+                # during viz redraws (eg backfill updates)
+                arrow._abs_x = x
+                arrow._abs_y = y
+
+                annots[aid] = arrow
+                _editors[aid] = arrows
+                aids: set[int] = ctxs[ipc_key][1]
+                aids.add(aid)
+                await annot_req_stream.send(aid)
+
+            case {
+                'cmd': 'TextItem',
+                'fqme': fqme,
+                'timeframe': timeframe,
+                'kwargs': {
+                    'text': str(text),
+                    'x': int()|float() as x,
+                    'y': int()|float() as y,
+                    'color': color,
+                    'anchor': list(anchor),
+                    'font_size': int()|None as font_size,
+                    'time': int()|float()|None as timestamp,
+                },
+            }:
+                ds: DisplayState = _dss[fqme]
+                try:
+                    chart: ChartPlotWidget = {
+                        60: ds.hist_chart,
+                        1: ds.chart,
+                    }[timeframe]
+                except KeyError:
+                    log.warning(
+                        f'No chart for timeframe={timeframe}s, '
+                        f'skipping text annotation'
+                    )
+                    await annot_req_stream.send(-1)
+                    continue
+
+                # NEW: if timestamp provided, lookup current index
+                # from shm to ensure alignment with current buffer
+                # state
+                if timestamp is not None:
+                    viz: Viz = chart.get_viz(fqme)
+                    shm = viz.shm
+                    arr = shm.array
+                    # find index where time matches timestamp
+                    matches = arr[arr['time'] == timestamp]
+                    if len(matches) == 0:
+                        log.error(
+                            f'No shm entry for timestamp={timestamp}, '
+                            f'skipping text annotation'
+                        )
+                        await annot_req_stream.send(-1)
+                        continue
+                    # use the matched row's index as x, +1 for text
+                    # offset
+                    x = float(matches[0]['index']) + 1
+
+                # convert named color to hex
+                color_hex: str = hcolor(color)
+
+                # create text item
+                text_item: pg.TextItem = pg.TextItem(
+                    text=text,
+                    color=color_hex,
+                    anchor=anchor,
+
+                    # ?TODO, pin to github:main for this?
+                    # legacy, can have scaling ish?
+                    # ensureInBounds=True,
+                )
+
+                # apply font size (default to DpiAwareFont if not
+                # provided)
+                if font_size is None:
+                    from ._style import get_fonts
+                    font, font_small = get_fonts()
+                    font_size =  font_small.px_size - 1
+
+                qfont: QFont = text_item.textItem.font()
+                qfont.setPixelSize(font_size)
+                text_item.setFont(qfont)
+
+                text_item.setPos(x, y)
+                chart.plotItem.addItem(text_item)
+
+                # XXX: store absolute coords for repositioning
+                # during viz redraws (eg backfill updates)
+                text_item._abs_x = x
+                text_item._abs_y = y
+
+                aid: str = str(uuid4())
+                annots[aid] = text_item
+                aids: set[int] = ctxs[ipc_key][1]
+                aids.add(aid)
+                await annot_req_stream.send(aid)
+
             case {
                 'cmd': 'remove',
-                'aid': int(aid),
+                'aid': int(aid)|str(aid),
             }:
                 # NOTE: this is normally entered on
                 # a client's annotation de-alloc normally
                 # prior to detach or modify.
                 annot: QGraphicsItem = annots[aid]
-                annot.delete()
+                assert rm_annot(annot)
 
                 # respond to client indicating annot
                 # was indeed deleted.
@@ -175,6 +468,38 @@ async def serve_rc_annots(
                 )
                 viz.reset_graphics()
 
+                # XXX: reposition all annotations to ensure they
+                # stay aligned with viz data after reset (eg during
+                # backfill when abs-index range changes)
+                n_repositioned: int = 0
+                for aid, annot in annots.items():
+                    # arrows and text items use abs x,y coords
+                    if (
+                        hasattr(annot, '_abs_x')
+                        and
+                        hasattr(annot, '_abs_y')
+                    ):
+                        annot.setPos(
+                            annot._abs_x,
+                            annot._abs_y,
+                        )
+                        n_repositioned += 1
+
+                    # rects use method + kwargs
+                    elif (
+                        hasattr(annot, '_meth')
+                        and
+                        hasattr(annot, '_kwargs')
+                    ):
+                        getattr(annot, annot._meth)(**annot._kwargs)
+                        n_repositioned += 1
+
+                if n_repositioned:
+                    log.info(
+                        f'Repositioned {n_repositioned} annotation(s) '
+                        f'after viz redraw'
+                    )
+
             case _:
                 log.error(
                     'Unknown remote annotation cmd:\n'
@@ -188,6 +513,12 @@ async def remote_annotate(
 ) -> None:
 
     global _dss, _ctxs
+    if not _dss:
+        raise RuntimeError(
+            'Race condition on chart-init state ??\n'
+            'Anoter actor is trying to annoate this chart '
+            'before it has fully spawned.\n'
+        )
     assert _dss
 
     _ctxs[ctx.cid] = (ctx, set())
@@ -212,7 +543,7 @@ async def remote_annotate(
             assert _ctx is ctx
             for aid in aids:
                 annot: QGraphicsItem = _annots[aid]
-                annot.delete()
+                assert rm_annot(annot)
 
 
 class AnnotCtl(Struct):
@@ -257,13 +588,18 @@ class AnnotCtl(Struct):
 
         from_acm: bool = False,
 
-    ) -> int:
+        # NEW: optional timestamps for server-side index lookup
+        start_time: float|None = None,
+        end_time: float|None = None,
+
+    ) -> int|None:
         '''
         Add a `SelectRect` annotation to the target view, return
         the instances `id(obj)` from the remote UI actor.
 
         '''
         ipc: MsgStream = self._get_ipc(fqme)
+        with trio.fail_after(3):
             await ipc.send({
                 'fqme': fqme,
                 'cmd': 'SelectRect',
@@ -275,9 +611,15 @@ class AnnotCtl(Struct):
                     'end_pos': tuple(end_pos),
                     'color': color,
                     'update_label': False,
+                    'start_time': start_time,
+                    'end_time': end_time,
                 },
             })
-        aid: int = await ipc.receive()
+            aid: int|dict = await ipc.receive()
+            match aid:
+                case {'error': str(msg)}:
+                    log.error(msg)
+                    return None
             self._ipcs[aid] = ipc
             if not from_acm:
                 self._annot_stack.push_async_callback(
@@ -334,20 +676,130 @@ class AnnotCtl(Struct):
             'timeframe': timeframe,
         })
 
-    # TODO: do we even need this?
+    async def add_arrow(
-    # async def modify(
+        self,
-    #     self,
+        fqme: str,
-    #     aid: int,  # annotation id
+        timeframe: float,
-    #     meth: str,  # far end graphics object method to invoke
+        x: float,
-    #     params: dict[str, Any],  # far end `meth(**kwargs)`
+        y: float,
-    # ) -> bool:
+        pointing: Literal[
-    #     '''
+            'up',
-    #     Modify an existing (remote) annotation's graphics
+            'down',
-    #     paramters, thus changing it's appearance / state in real
+        ],
-    #     time.
+        # TODO: a `Literal['view', 'scene']` for this?
+        # domain: str = 'view',  # or 'scene'
+        color: str = 'dad_blue',
+        alpha: int = 116,
+        headLen: float|None = None,
+        headWidth: float|None = None,
+        tailLen: float|None = None,
+        tailWidth: float|None = None,
+        pxMode: bool = True,
 
-    #     '''
+        from_acm: bool = False,
-    #     raise NotImplementedError
+
+        # NEW: optional timestamp for server-side index lookup
+        time: float|None = None,
+
+    ) -> int|None:
+        '''
+        Add a `SelectRect` annotation to the target view, return
+        the instances `id(obj)` from the remote UI actor.
+
+        '''
+        ipc: MsgStream = self._get_ipc(fqme)
+        with trio.fail_after(3):
+            await ipc.send({
+                'fqme': fqme,
+                'cmd': 'ArrowEditor',
+                'timeframe': timeframe,
+                # 'meth': str(meth),
+                'meth': 'add',
+                'kwargs': {
+                    'x': float(x),
+                    'y': float(y),
+                    'color': color,
+                    'pointing': pointing,  # up|down
+                    'alpha': alpha,
+                    'aid': None,
+                    'headLen': headLen,
+                    'headWidth': headWidth,
+                    'tailLen': tailLen,
+                    'tailWidth': tailWidth,
+                    'pxMode': pxMode,
+                    'time': time,  # for server-side index lookup
+                },
+            })
+            aid: int|dict = await ipc.receive()
+            match aid:
+                case {'error': str(msg)}:
+                    log.error(msg)
+                    return None
+
+            self._ipcs[aid] = ipc
+            if not from_acm:
+                self._annot_stack.push_async_callback(
+                    partial(
+                        self.remove,
+                        aid,
+                    )
+                )
+            return aid
+
+    async def add_text(
+        self,
+        fqme: str,
+        timeframe: float,
+        text: str,
+        x: float,
+        y: float,
+        color: str|tuple = 'dad_blue',
+        anchor: tuple[float, float] = (0, 1),
+        font_size: int|None = None,
+
+        from_acm: bool = False,
+
+        # NEW: optional timestamp for server-side index lookup
+        time: float|None = None,
+
+    ) -> int|None:
+        '''
+        Add a `pg.TextItem` annotation to the target view.
+
+        anchor: (x, y) where (0,0) is upper-left, (1,1) is lower-right
+        font_size: pixel size for font, defaults to `_font.font.pixelSize()`
+
+        '''
+        ipc: MsgStream = self._get_ipc(fqme)
+        with trio.fail_after(3):
+            await ipc.send({
+                'fqme': fqme,
+                'cmd': 'TextItem',
+                'timeframe': timeframe,
+                'kwargs': {
+                    'text': text,
+                    'x': float(x),
+                    'y': float(y),
+                    'color': color,
+                    'anchor': tuple(anchor),
+                    'font_size': font_size,
+                    'time': time,  # for server-side index lookup
+                },
+            })
+            aid: int|dict = await ipc.receive()
+            match aid:
+                case {'error': str(msg)}:
+                    log.error(msg)
+                    return None
+            self._ipcs[aid] = ipc
+            if not from_acm:
+                self._annot_stack.push_async_callback(
+                    partial(
+                        self.remove,
+                        aid,
+                    )
+                )
+            return aid
 
 
 @acm
@@ -374,7 +826,9 @@ async def open_annot_ctl(
         # TODO: print the current discoverable actor UID set
         # here as well?
         if not maybe_portals:
-            raise RuntimeError('No chart UI actors found in service domain?')
+            raise RuntimeError(
+                'No chart actors found in service domain?'
+            )
 
         for portal in maybe_portals:
             ctx_mngrs.append(

piker/ui/_style.py

@@ -107,7 +107,22 @@ class DpiAwareFont:
 
     @property
     def px_size(self) -> int:
-        return self._qfont.pixelSize()
+        size: int = self._qfont.pixelSize()
+
+        # XXX, when no Qt app has been spawned this will always be
+        # invalid..
+        # SO, just return any conf.toml value.
+        if size == -1:
+            if (conf_size := self._font_size) is None:
+                raise ValueError(
+                    f'No valid `{type(_font).__name__}.px_size` set?\n'
+                    f'\n'
+                    f'-> `ui.font_size` is NOT set in `conf.toml`\n'
+                    f'-> no Qt app is active ??\n'
+                )
+            return conf_size
+
+        return size
 
     def configure_to_dpi(self, screen: QtGui.QScreen | None = None):
         '''
@@ -221,6 +236,20 @@ def _config_fonts_to_screen() -> None:
     _font_small.configure_to_dpi()
 
 
+def get_fonts() -> tuple[
+    DpiAwareFont,
+    DpiAwareFont,
+]:
+    '''
+    Get the singleton font pair (of instances) from which all other
+    UI/UX should be "scaled around".
+
+    See `DpiAwareFont` for (internal) deats.
+
+    '''
+    return _font, _font_small
+
+
 # TODO: re-compute font size when main widget switches screens?
 # https://forum.qt.io/topic/54136/how-do-i-get-the-qscreen-my-widget-is-on-qapplication-desktop-screen-returns-a-qwidget-and-qobject_cast-qscreen-returns-null/3
 

piker/ui/_widget.py

@@ -300,7 +300,10 @@ class GodWidget(QWidget):
         getattr(widget, 'on_resize')
         self._widgets[widget.mode_name] = widget
 
-    def on_win_resize(self, event: QtCore.QEvent) -> None:
+    def on_win_resize(
+        self,
+        event: QtCore.QEvent,
+    ) -> None:
         '''
         Top level god widget handler from window (the real yaweh) resize
         events such that any registered widgets which wish to be
@@ -315,7 +318,10 @@ class GodWidget(QWidget):
 
         self._resizing = True
 
-        log.info('God widget resize')
+        log.debug(
+            f'God widget resize\n'
+            f'{event}\n'
+        )
         for name, widget in self._widgets.items():
             widget.on_resize()
 

piker/ui/_window.py

@@ -255,8 +255,16 @@ class MainWindow(QMainWindow):
         current: QWidget,
 
     ) -> None:
+        '''
+        Focus handler.
 
-        log.info(f'widget focus changed from {last} -> {current}')
+        For now updates the "current mode" name.
+
+        '''
+        log.debug(
+            f'widget focus changed from,\n'
+            f'{last} -> {current}'
+        )
 
         if current is not None:
             # cursor left window?

piker/ui/cli.py

@@ -177,7 +177,7 @@ def chart(
             return
 
     # global opts
-    brokernames = config['brokers']
+    # brokernames: list[str] = config['brokers']
     brokermods = config['brokermods']
     assert brokermods
     tractorloglevel = config['tractorloglevel']
@@ -216,6 +216,7 @@ def chart(
                 layers['tcp']['port'],
             ))
 
+    # breakpoint()
     from tractor.devx import maybe_open_crash_handler
     pdb: bool = config['pdb']
     with maybe_open_crash_handler(pdb=pdb):

piker/ui/order_mode.py

@@ -77,7 +77,6 @@ from ._style import _font
 from ._forms import open_form_input_handling
 from ._notify import notify_from_ems_status_msg
 
-
 if TYPE_CHECKING:
     from ._chart import (
         ChartPlotWidget,
@@ -436,7 +435,7 @@ class OrderMode:
             lines=lines,
             last_status_close=self.multistatus.open_status(
                 f'submitting {order.exec_mode}-{order.action}',
-                final_msg=f'submitted {order.exec_mode}-{order.action}',
+                # final_msg=f'submitted {order.exec_mode}-{order.action}',
                 clear_on_next=True,
             )
         )
@@ -520,7 +519,8 @@ class OrderMode:
         '''
         Order submitted status event handler.
 
-        Commit the order line and registered order uuid, store ack time stamp.
+        Commit the order line and registered order uuid, store ack
+        time stamp.
 
         '''
         lines = self.lines.commit_line(uuid)
@@ -658,7 +658,7 @@ class OrderMode:
         return True
 
 
-    def cancel_orders_under_cursor(self) -> list[str]:
+    def cancel_orders_under_cursor(self) -> list[Dialog]:
         return self.cancel_orders(
             self.oids_from_lines(
                 self.lines.lines_under_cursor()
@@ -687,24 +687,28 @@ class OrderMode:
         self,
         oids: list[str],
 
-    ) -> None:
+    ) -> list[Dialog]:
         '''
         Cancel all orders from a list of order ids: `oids`.
 
         '''
-        key = self.multistatus.open_status(
+        # key = self.multistatus.open_status(
-            f'cancelling {len(oids)} orders',
+        #     f'cancelling {len(oids)} orders',
-            final_msg=f'cancelled orders:\n{oids}',
+        #     final_msg=f'cancelled orders:\n{oids}',
-            group_key=True
+        #     group_key=True
-        )
+        # )
+        dialogs: list[Dialog] = []
         for oid in oids:
             if dialog := self.dialogs.get(oid):
                 self.client.cancel_nowait(uuid=oid)
-                cancel_status_close = self.multistatus.open_status(
+                # cancel_status_close = self.multistatus.open_status(
-                    f'cancelling order {oid}',
+                #     f'cancelling order {oid}',
-                    group_key=key,
+                #     group_key=key,
-                )
+                # )
-                dialog.last_status_close = cancel_status_close
+                # dialog.last_status_close = cancel_status_close
+                dialogs.append(dialog)
+
+        return dialogs
 
     def cancel_all_orders(self) -> None:
         '''
@@ -776,7 +780,6 @@ class OrderMode:
 
 @asynccontextmanager
 async def open_order_mode(
-
     feed: Feed,
     godw: GodWidget,
     fqme: str,

pyproject.toml

@@ -75,6 +75,7 @@ dependencies = [
     "trio-typing>=0.10.0",
     "numba>=0.61.0",
     "pyvnc",
+    "exchange-calendars>=4.13.1",
 ]
 # ------ dependencies ------
 # NOTE, by default we ship only a "headless" deps set bc
@@ -116,7 +117,6 @@ uis = [
 dev = [
   # https://docs.astral.sh/uv/concepts/projects/dependencies/#development-dependencies
   "cython >=3.0.0, <4.0.0",
-
   # nested deps-groups
   # https://docs.astral.sh/uv/concepts/projects/dependencies/#nesting-groups
   {include-group = 'uis'},
@@ -134,6 +134,10 @@ repl = [
     "prompt-toolkit ==3.0.40",
     "pyperclip>=1.9.0",
 
+  # for @claude's `snippets/claude_debug_helper.py` it uses to do
+  # "offline" debug/crash REPL-in alongside a dev.
+  "pexpect>=4.9.0",
+
   # ?TODO, new stuff to consider..
   # "visidata"  # console numerics
   # "xxh"  # for remote `xonsh`-ing
@@ -191,10 +195,15 @@ pyqtgraph = { git = "https://github.com/pikers/pyqtgraph.git" }
 tomlkit = { git = "https://github.com/pikers/tomlkit.git", branch ="piker_pin" }
 pyvnc = { git = "https://github.com/regulad/pyvnc.git" }
 
+# to get fancy next-cmd/suggestion feats prior to 0.22.2 B)
+# https://github.com/xonsh/xonsh/pull/6037
+# https://github.com/xonsh/xonsh/pull/6048
+xonsh = { git = 'https://github.com/xonsh/xonsh.git', branch = 'main' }
+
 # XXX since, we're like, always hacking new shite all-the-time. Bp
-tractor = { git = "https://github.com/goodboy/tractor.git", branch ="piker_pin" }
+# tractor = { git = "https://github.com/goodboy/tractor.git", branch ="piker_pin" }
 # tractor = { git = "https://pikers.dev/goodboy/tractor", branch = "piker_pin" }
 # tractor = { git = "https://pikers.dev/goodboy/tractor", branch = "main" }
 # ------ goodboy ------
 # hackin dev-envs, usually there's something new he's hackin in..
-# tractor = { path = "../tractor", editable = true }
+tractor = { path = "../tractor", editable = true }

snippets/claude_debug_helper.py

@@ -0,0 +1,256 @@
+#!/usr/bin/env python
+'''
+Programmatic debugging helper for `pdbp` REPL human-like
+interaction but built to allow `claude` to interact with 
+crashes and `tractor.pause()` breakpoints along side a human dev.
+
+Originally written by `clauded` during a backfiller inspection
+session with @goodboy trying to resolve duplicate/gappy ohlcv ts
+issues discovered while testing the new `nativedb` tsdb.
+
+Allows `claude` to run `pdb` commands and capture output in an "offline"
+manner but generating similar output as if it was iteracting with
+the debug REPL.
+
+The use of `pexpect` is heavily based on tractor's REPL UX test
+suite(s), namely various `tests/devx/test_debugger.py` patterns.
+
+'''
+import sys
+import os
+import time
+
+import pexpect
+from pexpect.exceptions import (
+    TIMEOUT,
+    EOF,
+)
+
+
+PROMPT: str = r'\(Pdb\+\)'
+
+
+def expect(
+    child: pexpect.spawn,
+    patt: str,
+    **kwargs,
+) -> None:
+    '''
+    Expect wrapper that prints last console data before failing.
+
+    '''
+    try:
+        child.expect(
+            patt,
+            **kwargs,
+        )
+    except TIMEOUT:
+        before: str = (
+            str(child.before.decode())
+            if isinstance(child.before, bytes)
+            else str(child.before)
+        )
+        print(
+            f'TIMEOUT waiting for pattern: {patt}\n'
+            f'Last seen output:\n{before}'
+        )
+        raise
+
+
+def run_pdb_commands(
+    commands: list[str],
+    initial_cmd: str = 'piker store ldshm xmrusdt.usdtm.perp.binance',
+    timeout: int = 30,
+    print_output: bool = True,
+) -> dict[str, str]:
+    '''
+    Spawn piker process, wait for pdb prompt, execute commands.
+
+    Returns dict mapping command -> output.
+
+    '''
+    results: dict[str, str] = {}
+
+    # Disable colored output for easier parsing
+    os.environ['PYTHON_COLORS'] = '0'
+
+    # Spawn the process
+    if print_output:
+        print(f'Spawning: {initial_cmd}')
+
+    child: pexpect.spawn = pexpect.spawn(
+        initial_cmd,
+        timeout=timeout,
+        encoding='utf-8',
+        echo=False,
+    )
+
+    # Wait for pdb prompt
+    try:
+        expect(child, PROMPT, timeout=timeout)
+        if print_output:
+            print('Reached pdb prompt!')
+
+        # Execute each command
+        for cmd in commands:
+            if print_output:
+                print(f'\n>>> {cmd}')
+
+            child.sendline(cmd)
+            time.sleep(0.1)
+
+            # Wait for next prompt
+            expect(child, PROMPT, timeout=timeout)
+
+            # Capture output (everything before the prompt)
+            output: str = (
+                str(child.before.decode())
+                if isinstance(child.before, bytes)
+                else str(child.before)
+            )
+            results[cmd] = output
+
+            if print_output:
+                print(output)
+
+        # Quit debugger gracefully
+        child.sendline('quit')
+        try:
+            child.expect(EOF, timeout=5)
+        except (TIMEOUT, EOF):
+            pass
+
+    except TIMEOUT as e:
+        print(f'Timeout: {e}')
+        if child.before:
+            before: str = (
+                str(child.before.decode())
+                if isinstance(child.before, bytes)
+                else str(child.before)
+            )
+            print(f'Buffer:\n{before}')
+        results['_error'] = str(e)
+
+    finally:
+        if child.isalive():
+            child.close(force=True)
+
+    return results
+
+
+class InteractivePdbSession:
+    '''
+    Interactive pdb session manager for incremental debugging.
+
+    '''
+    def __init__(
+        self,
+        cmd: str = 'piker store ldshm xmrusdt.usdtm.perp.binance',
+        timeout: int = 30,
+    ):
+        self.cmd: str = cmd
+        self.timeout: int = timeout
+        self.child: pexpect.spawn|None = None
+        self.history: list[tuple[str, str]] = []
+
+    def start(self) -> None:
+        '''
+        Start the piker process and wait for first prompt.
+
+        '''
+        os.environ['PYTHON_COLORS'] = '0'
+
+        print(f'Starting: {self.cmd}')
+        self.child = pexpect.spawn(
+            self.cmd,
+            timeout=self.timeout,
+            encoding='utf-8',
+            echo=False,
+        )
+
+        # Wait for initial prompt
+        expect(self.child, PROMPT, timeout=self.timeout)
+        print('Ready at pdb prompt!')
+
+    def run(
+        self,
+        cmd: str,
+        print_output: bool = True,
+    ) -> str:
+        '''
+        Execute a single pdb command and return output.
+
+        '''
+        if not self.child or not self.child.isalive():
+            raise RuntimeError('Session not started or dead')
+
+        if print_output:
+            print(f'\n>>> {cmd}')
+
+        self.child.sendline(cmd)
+        time.sleep(0.1)
+
+        # Wait for next prompt
+        expect(self.child, PROMPT, timeout=self.timeout)
+
+        output: str = (
+            str(self.child.before.decode())
+            if isinstance(self.child.before, bytes)
+            else str(self.child.before)
+        )
+        self.history.append((cmd, output))
+
+        if print_output:
+            print(output)
+
+        return output
+
+    def quit(self) -> None:
+        '''
+        Exit the debugger and cleanup.
+
+        '''
+        if self.child and self.child.isalive():
+            self.child.sendline('quit')
+            try:
+                self.child.expect(EOF, timeout=5)
+            except (TIMEOUT, EOF):
+                pass
+            self.child.close(force=True)
+
+    def __enter__(self):
+        self.start()
+        return self
+
+    def __exit__(self, *args):
+        self.quit()
+
+
+if __name__ == '__main__':
+    # Example inspection commands
+    inspect_cmds: list[str] = [
+        'locals().keys()',
+        'type(deduped)',
+        'deduped.shape',
+        (
+            'step_gaps.shape '
+            'if "step_gaps" in locals() '
+            'else "N/A"'
+        ),
+        (
+            'venue_gaps.shape '
+            'if "venue_gaps" in locals() '
+            'else "N/A"'
+        ),
+    ]
+
+    # Allow commands from CLI args
+    if len(sys.argv) > 1:
+        inspect_cmds = sys.argv[1:]
+
+    # Interactive session example
+    with InteractivePdbSession() as session:
+        for cmd in inspect_cmds:
+            session.run(cmd)
+
+    print('\n=== Session Complete ===')

uv.lock

@@ -2,8 +2,12 @@ version = 1
 revision = 3
 requires-python = ">=3.12"
 resolution-markers = [
-    "python_full_version >= '3.14'",
+    "python_full_version >= '3.14' and sys_platform == 'win32'",
-    "python_full_version < '3.14'",
+    "python_full_version >= '3.14' and sys_platform == 'emscripten'",
+    "python_full_version >= '3.14' and sys_platform != 'emscripten' and sys_platform != 'win32'",
+    "python_full_version < '3.14' and sys_platform == 'win32'",
+    "python_full_version < '3.14' and sys_platform == 'emscripten'",
+    "python_full_version < '3.14' and sys_platform != 'emscripten' and sys_platform != 'win32'",
 ]
 
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     { url = "https://files.pythonhosted.org/packages/8a/0e/97c33bf5009bdbac74fd2beace167cab3f978feb69cc36f1ef79360d6c4e/exceptiongroup-1.3.1-py3-none-any.whl", hash = "sha256:a7a39a3bd276781e98394987d3a5701d0c4edffb633bb7a5144577f82c773598", size = 16740, upload-time = "2025-11-21T23:01:53.443Z" },
 ]
 
+[[package]]
+name = "exchange-calendars"
+version = "4.13.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "korean-lunar-calendar" },
+    { name = "numpy" },
+    { name = "pandas" },
+    { name = "pyluach" },
+    { name = "toolz" },
+    { name = "tzdata" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/9e/fd/1bda66b3c2fefbf54b8cf765c9d8001b12654b5a897a21b0c6c9f55de5e3/exchange_calendars-4.13.1.tar.gz", hash = "sha256:42a4c7296da1f71b9625c668c9b3359cf5de4a2ffca28842b230e062bb4961ba", size = 4119843, upload-time = "2026-02-05T00:15:03.947Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/45/b7/fffe7d5a6da6be10b43be96640f31d4191e746de66b046cc1a6ea5fc4f26/exchange_calendars-4.13.1-py3-none-any.whl", hash = "sha256:cf39d2128a4da3ac253283f91ab63d79930a68196a3aac811091a4e38b6cbe49", size = 211538, upload-time = "2026-02-05T00:15:05.694Z" },
+]
+
 [[package]]
 name = "frozenlist"
 version = "1.8.0"
@@ -659,6 +680,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/42/d3/c3db0b92a0ff39c3e08f168cd382c24bf021d4a96fc89b47a3e55294f883/keysymdef-1.2.0-py2.py3-none-any.whl", hash = "sha256:19a5c2263a861f3ff884a1f58e2b4f7efa319ffc9d11f9ba8e20129babc31a9e", size = 20146, upload-time = "2023-02-25T00:22:36.318Z" },
 ]
 
+[[package]]
+name = "korean-lunar-calendar"
+version = "0.3.1"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/5a/93/a0bd2bd53ab19330e83ecc5652b7774ae86fd2fee19bc05ad220cf9db08b/korean_lunar_calendar-0.3.1.tar.gz", hash = "sha256:eb2c485124a061016926bdea6d89efdf9b9fdbf16db55895b6cf1e5bec17b857", size = 9877, upload-time = "2022-09-16T10:53:25.713Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/9c/96/30f3fe51b336bb6da4714f4fdad7bbdce8f13af79af2eb75e22908f3f9f4/korean_lunar_calendar-0.3.1-py3-none-any.whl", hash = "sha256:392757135c492c4f42a604e6038042953c35c6f449dda5f27e3f86a7f9c943e5", size = 9033, upload-time = "2022-09-16T10:53:23.771Z" },
+]
+
 [[package]]
 name = "llvmlite"
 version = "0.45.1"
@@ -953,6 +983,58 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/20/12/38679034af332785aac8774540895e234f4d07f7545804097de4b666afd8/packaging-25.0-py3-none-any.whl", hash = "sha256:29572ef2b1f17581046b3a2227d5c611fb25ec70ca1ba8554b24b0e69331a484", size = 66469, upload-time = "2025-04-19T11:48:57.875Z" },
 ]
 
+[[package]]
+name = "pandas"
+version = "3.0.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "numpy" },
+    { name = "python-dateutil" },
+    { name = "tzdata", marker = "sys_platform == 'emscripten' or sys_platform == 'win32'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/de/da/b1dc0481ab8d55d0f46e343cfe67d4551a0e14fcee52bd38ca1bd73258d8/pandas-3.0.0.tar.gz", hash = "sha256:0facf7e87d38f721f0af46fe70d97373a37701b1c09f7ed7aeeb292ade5c050f", size = 4633005, upload-time = "2026-01-21T15:52:04.726Z" }
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+    { name = "exchange-calendars" },
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     { name = "pdbp" },
+    { name = "pexpect" },
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