Mask `ruff` config and pin `websockets=0.12`

- the `ruff` section in the `pyproject.toml` is somehow borked? (even
  though it def was working a while back..)
- `websockets` is completely broken in latest version since it's using
  old-ass `asyncio` APIs of some sort i think??

README.rst

@@ -1,161 +1,162 @@
 piker
 -----
-trading gear for hackers
+trading gear for hackers.
 
 |gh_actions|
 
 .. |gh_actions| image:: https://img.shields.io/endpoint.svg?url=https%3A%2F%2Factions-badge.atrox.dev%2Fpikers%2Fpiker%2Fbadge&style=popout-square
     :target: https://actions-badge.atrox.dev/piker/pikers/goto
 
-``piker`` is a broker agnostic, next-gen FOSS toolset and runtime for
-real-time computational trading targeted at `hardcore Linux users
-<comp_trader>`_ .
+``piker`` is a broker agnostic, next-gen FOSS toolset for real-time
+computational trading targeted at `hardcore Linux users <comp_trader>`_ .
 
-we use much bleeding edge tech including (but not limited to):
+we use as much bleeding edge tech as possible including (but not limited to):
 
 - latest python for glue_
-- uv_ for packaging and distribution
-- trio_ & tractor_ for our distributed `structured concurrency`_ runtime
-- Qt_ for pristine low latency UIs
-- pyqtgraph_ (which we've extended) for real-time charting and graphics
-- ``polars`` ``numpy`` and ``numba`` for redic `fast numerics`_
-- `apache arrow and parquet`_ for time-series storage
+- trio_ & tractor_ for our distributed, multi-core, real-time streaming
+  `structured concurrency`_ runtime B)
+- Qt_ for pristine high performance UIs
+- pyqtgraph_ for real-time charting
+- ``polars`` ``numpy`` and ``numba`` for `fast numerics`_
+- `apache arrow and parquet`_ for time series history management
+  persistence and sharing
+- (prototyped) techtonicdb_ for L2 book storage
 
-potential projects we might integrate with soon,
-
-- (already prototyped in ) techtonicdb_ for L2 book storage
-
-.. _comp_trader: https://jfaleiro.wordpress.com/2019/10/09/computational-trader/
-.. _glue: https://numpy.org/doc/stable/user/c-info.python-as-glue.html#using-python-as-glue
-.. _uv: https://docs.astral.sh/uv/
+.. |travis| image:: https://img.shields.io/travis/pikers/piker/master.svg
+    :target: https://travis-ci.org/pikers/piker
 .. _trio: https://github.com/python-trio/trio
 .. _tractor: https://github.com/goodboy/tractor
 .. _structured concurrency: https://trio.discourse.group/
+.. _marketstore: https://github.com/alpacahq/marketstore
+.. _techtonicdb: https://github.com/0b01/tectonicdb
 .. _Qt: https://www.qt.io/
 .. _pyqtgraph: https://github.com/pyqtgraph/pyqtgraph
+.. _glue: https://numpy.org/doc/stable/user/c-info.python-as-glue.html#using-python-as-glue
 .. _apache arrow and parquet: https://arrow.apache.org/faq/
 .. _fast numerics: https://zerowithdot.com/python-numpy-and-pandas-performance/
-.. _techtonicdb: https://github.com/0b01/tectonicdb
+.. _comp_trader: https://jfaleiro.wordpress.com/2019/10/09/computational-trader/
 
 
-focus and feats:
-****************
-fitting with these tenets, we're always open to new
-framework/lib/service interop suggestions and ideas!
+focus and features:
+*******************
+- 100% federated: your code, your hardware, your data feeds, your broker fills.
+- zero web: low latency, native software that doesn't try to re-invent the OS
+- maximal **privacy**: prevent brokers and mms from knowing your
+  planz; smack their spreads with dark volume.
+- zero clutter: modal, context oriented UIs that echew minimalism, reduce
+  thought noise and encourage un-emotion.
+- first class parallelism: built from the ground up on next-gen structured concurrency
+  primitives.
+- traders first: broker/exchange/asset-class agnostic
+- systems grounded: real-time financial signal processing that will
+  make any queuing or DSP eng juice their shorts.
+- non-tina UX: sleek, powerful keyboard driven interaction with expected use in tiling wms
+- data collaboration: every process and protocol is multi-host scalable.
+- fight club ready: zero interest in adoption by suits; no corporate friendly license, ever.
 
-- **100% federated**:
-  your code, your hardware, your data feeds, your broker fills.
+fitting with these tenets, we're always open to new framework suggestions and ideas.
 
-- **zero web**:
-  low latency as a prime objective, native UIs and modern IPC
-  protocols without trying to re-invent the "OS-as-an-app"..
-
-- **maximal privacy**:
-  prevent brokers and mms from knowing your planz; smack their
-  spreads with dark volume from a VPN tunnel.
-
-- **zero clutter**:
-  modal, context oriented UIs that echew minimalism, reduce thought
-  noise and encourage un-emotion.
-
-- **first class parallelism**:
-  built from the ground up on a next-gen structured concurrency
-  supervision sys.
-
-- **traders first**:
-  broker/exchange/venue/asset-class/money-sys agnostic
-
-- **systems grounded**:
-  real-time financial signal processing (fsp) that will make any
-  queuing or DSP eng juice their shorts.
-
-- **non-tina UX**:
-  sleek, powerful keyboard driven interaction with expected use in
-  tiling wms (or maybe even a DDE).
-
-- **data collab at scale**:
-  every actor-process and protocol is multi-host aware.
-
-- **fight club ready**:
-  zero interest in adoption by suits; no corporate friendly license,
-  ever.
-
-building the hottest looking, fastest, most reliable, keyboard
-friendly FOSS trading platform is the dream; join the cause.
+building the best looking, most reliable, keyboard friendly trading
+platform is the dream; join the cause.
 
 
-a sane install with `uv`
-************************
-bc why install with `python` when you can faster with `rust` ::
+sane install with `poetry`
+**************************
+TODO!
 
-    uv lock
+
+rigorous install on ``nixos`` using ``poetry2nix``
+**************************************************
+TODO!
 
 
 hacky install on nixos
 **********************
-``NixOS`` is our core devs' distro of choice for which we offer
+`NixOS` is our core devs' distro of choice for which we offer
 a stringently defined development shell envoirment that can be loaded with::
 
-    nix-shell default.nix
+    nix-shell develop.nix
+
+this will setup the required python environment to run piker, make sure to
+run::
+
+    pip install -r requirements.txt -e .
+
+once after loading the shell
 
 
-start a chart
-*************
-run a realtime OHLCV chart stand-alone::
+install wild-west style via `pip`
+*********************************
+``piker`` is currently under heavy pre-alpha development and as such
+should be cloned from this repo and hacked on directly.
 
-    piker -l info chart btcusdt.spot.binance xmrusdt.spot.kraken
+for a development install::
 
-this runs a chart UI (with 1m sampled OHLCV) and shows 2 spot markets from 2 diff cexes
-overlayed on the same graph. Use of `piker` without first starting
-a daemon (`pikerd` - see below) means there is an implicit spawning of the
-multi-actor-runtime (implemented as a `tractor` app).
-
-For additional subsystem feats available through our chart UI see the
-various sub-readmes:
-
-- order control using a mouse-n-keyboard UX B)
-- cross venue market-pair (what most call "symbol") search, select, overlay Bo
-- financial-signal-processing (`piker.fsp`) write-n-reload to sub-chart BO
-- src-asset derivatives scan for anal, like the infamous "max pain" XO
+    git clone git@github.com:pikers/piker.git
+    cd piker
+    virtualenv env
+    source ./env/bin/activate
+    pip install -r requirements.txt -e .
 
 
-spawn a daemon standalone
-*************************
-we call the root actor-process the ``pikerd``. it can be (and is
-recommended normally to be) started separately from the ``piker
-chart`` program::
+check out our charts
+********************
+bet you weren't expecting this from the foss::
+
+    piker -l info -b kraken -b binance chart btcusdt.binance --pdb
+
+
+this runs the main chart (currently with 1m sampled OHLC) in in debug
+mode and you can practice paper trading using the following
+micro-manual:
+
+``order_mode`` (
+    edge triggered activation by any of the following keys,
+    ``mouse-click`` on y-level to submit at that price
+    ):
+
+    - ``f``/ ``ctl-f`` to stage buy
+    - ``d``/ ``ctl-d`` to stage sell
+    - ``a`` to stage alert
+
+
+``search_mode`` (
+    ``ctl-l`` or ``ctl-space`` to open,
+    ``ctl-c`` or ``ctl-space`` to close
+    ) :
+
+    - begin typing to have symbol search automatically lookup
+      symbols from all loaded backend (broker) providers
+    - arrow keys and mouse click to navigate selection
+    - vi-like ``ctl-[hjkl]`` for navigation
+
+
+you can also configure your position allocation limits from the
+sidepane.
+
+
+run in distributed mode
+***********************
+start the service manager and data feed daemon in the background and
+connect to it::
 
     pikerd -l info --pdb
 
-the daemon does nothing until a ``piker``-client (like ``piker
-chart``) connects and requests some particular sub-system. for
-a connecting chart ``pikerd`` will spawn and manage at least,
 
-- a data-feed daemon: ``datad`` which does all the work of comms with
-  the backend provider (in this case the ``binance`` cex).
-- a paper-trading engine instance, ``paperboi.binance``, (if no live
-  account has been configured) which allows for auto/manual order
-  control against the live quote stream.
+connect your chart::
 
-*using* an actor-service (aka micro-daemon) manager which dynamically
-supervises various sub-subsystems-as-services throughout the ``piker``
-runtime-stack.
+    piker -l info -b kraken -b binance chart xmrusdt.binance --pdb
 
-now you can (implicitly) connect your chart::
 
-    piker chart btcusdt.spot.binance
-
-since ``pikerd`` was started separately you can now enjoy a persistent
-real-time data stream tied to the daemon-tree's lifetime. i.e. the next
-time you spawn a chart it will obviously not only load much faster
-(since the underlying ``datad.binance`` is left running with its
-in-memory IPC data structures) but also the data-feed and any order
-mgmt states should be persistent until you finally cancel ``pikerd``.
+enjoy persistent real-time data feeds tied to daemon lifetime. the next
+time you spawn a chart it will load much faster since the data feed has
+been cached and is now always running live in the background until you
+kill ``pikerd``.
 
 
 if anyone asks you what this project is about
 *********************************************
-you don't talk about it; just use it.
+you don't talk about it.
 
 
 how do i get involved?
@@ -165,15 +166,6 @@ enter the matrix.
 
 how come there ain't that many docs
 ***********************************
-i mean we want/need them but building the core right has been higher
-prio then marketting (and likely will stay that way Bp).
-
-soo, suck it up bc,
-
-- no one is trying to sell you on anything
-- learning the code base is prolly way more valuable
-- the UI/UXs are intended to be "intuitive" for any hacker..
-
-we obviously need tonz help so if you want to start somewhere and
-can't necessarily write "advanced" concurrent python/rust code, this
-helping document literally anything might be the place for you!
+suck it up, learn the code; no one is trying to sell you on anything.
+also, we need lotsa help so if you want to start somewhere and can't
+necessarily write serious code, this might be the place for you!

piker/accounting/_pos.py

@@ -30,7 +30,8 @@ from types import ModuleType
 from typing import (
     Any,
     Iterator,
-    Generator
+    Generator,
+    TYPE_CHECKING,
 )
 
 import pendulum
@@ -59,8 +60,10 @@ from ..clearing._messages import (
     BrokerdPosition,
 )
 from piker.types import Struct
-from piker.data._symcache import SymbologyCache
-from ..log import get_logger
+from piker.log import get_logger
+
+if TYPE_CHECKING:
+    from piker.data._symcache import SymbologyCache
 
 log = get_logger(__name__)
 
@@ -493,6 +496,17 @@ class Account(Struct):
 
         _mktmap_table: dict[str, MktPair] | None = None,
 
+        only_require: list[str]|True = True,
+        # ^list of fqmes that are "required" to be processed from
+        # this ledger pass; we often don't care about others and
+        # definitely shouldn't always error in such cases.
+        # (eg. broker backend loaded that doesn't yet supsport the
+        # symcache but also, inside the paper engine we don't ad-hoc
+        # request `get_mkt_info()` for every symbol in the ledger,
+        # only the one for which we're simulating against).
+        # TODO, not sure if there's a better soln for this, ideally
+        # all backends get symcache support afap i guess..
+
     ) -> dict[str, Position]:
         '''
         Update the internal `.pps[str, Position]` table from input
@@ -535,11 +549,32 @@ class Account(Struct):
                 if _mktmap_table is None:
                     raise
 
+                required: bool = (
+                    only_require is True
+                    or (
+                        only_require is not True
+                        and
+                        fqme in only_require
+                    )
+                )
                 # XXX: caller is allowed to provide a fallback
                 # mktmap table for the case where a new position is
                 # being added and the preloaded symcache didn't
                 # have this entry prior (eg. with frickin IB..)
-                mkt = _mktmap_table[fqme]
+                if (
+                    not (mkt := _mktmap_table.get(fqme))
+                    and
+                    required
+                ):
+                    raise
+
+                elif not required:
+                    continue
+
+                else:
+                    # should be an entry retreived somewhere
+                    assert mkt
+
 
             if not (pos := pps.get(bs_mktid)):
 
@@ -656,7 +691,7 @@ class Account(Struct):
     def write_config(self) -> None:
         '''
         Write the current account state to the user's account TOML file, normally
-        something like ``pps.toml``.
+        something like `pps.toml`.
 
         '''
         # TODO: show diff output?

piker/brokers/__init__.py

@@ -51,6 +51,7 @@ __brokers__: list[str] = [
     'ib',
     'kraken',
     'kucoin',
+    'deribit',
 
     # broken but used to work
     # 'questrade',
@@ -61,7 +62,6 @@ __brokers__: list[str] = [
     # wstrade
     # iex
 
-    # deribit
     # bitso
 ]
 

piker/brokers/_daemon.py

@@ -23,6 +23,7 @@ from __future__ import annotations
 from contextlib import (
     asynccontextmanager as acm,
 )
+from functools import partial
 from types import ModuleType
 from typing import (
     TYPE_CHECKING,
@@ -190,14 +191,17 @@ def broker_init(
 
 
 async def spawn_brokerd(
-
     brokername: str,
     loglevel: str | None = None,
 
     **tractor_kwargs,
 
 ) -> bool:
+    '''
+    Spawn a `brokerd.<backendname>` subactor service daemon
+    using `pikerd`'s service mngr.
 
+    '''
     from piker.service._util import log  # use service mngr log
     log.info(f'Spawning {brokername} broker daemon')
 
@@ -217,27 +221,35 @@ async def spawn_brokerd(
 
     # ask `pikerd` to spawn a new sub-actor and manage it under its
     # actor nursery
-    from piker.service import Services
-
+    from piker.service import (
+        get_service_mngr,
+        ServiceMngr,
+    )
     dname: str = tractor_kwargs.pop('name')  # f'brokerd.{brokername}'
-    portal = await Services.actor_n.start_actor(
-        dname,
-        enable_modules=_data_mods + tractor_kwargs.pop('enable_modules'),
-        debug_mode=Services.debug_mode,
+    mngr: ServiceMngr = get_service_mngr()
+    ctx: tractor.Context = await mngr.start_service(
+        daemon_name=dname,
+        ctx_ep=partial(
+            # signature of target root-task endpoint
+            daemon_fixture_ep,
+
+            # passed to daemon_fixture_ep(**kwargs)
+            brokername=brokername,
+            loglevel=loglevel,
+        ),
+        debug_mode=mngr.debug_mode,
+        loglevel=loglevel,
+        enable_modules=(
+            _data_mods
+            +
+            tractor_kwargs.pop('enable_modules')
+        ),
         **tractor_kwargs
     )
-
-    # NOTE: the service mngr expects an already spawned actor + its
-    # portal ref in order to do non-blocking setup of brokerd
-    # service nursery.
-    await Services.start_service_task(
-        dname,
-        portal,
-
-        # signature of target root-task endpoint
-        daemon_fixture_ep,
-        brokername=brokername,
-        loglevel=loglevel,
+    assert (
+        not ctx.cancel_called
+        and ctx.portal  # parent side
+        and dname in ctx.chan.uid  # subactor is named as desired
     )
     return True
 
@@ -262,8 +274,7 @@ async def maybe_spawn_brokerd(
     from piker.service import maybe_spawn_daemon
 
     async with maybe_spawn_daemon(
-
-        f'brokerd.{brokername}',
+        service_name=f'brokerd.{brokername}',
         service_task_target=spawn_brokerd,
         spawn_args={
             'brokername': brokername,

piker/brokers/binance/feed.py

@@ -42,6 +42,7 @@ from trio_typing import TaskStatus
 from pendulum import (
     from_timestamp,
 )
+from rapidfuzz import process as fuzzy
 import numpy as np
 import tractor
 
@@ -110,7 +111,6 @@ class AggTrade(Struct, frozen=True):
 
 async def stream_messages(
     ws: NoBsWs,
-
 ) -> AsyncGenerator[NoBsWs, dict]:
 
     # TODO: match syntax here!
@@ -221,8 +221,6 @@ def make_sub(pairs: list[str], sub_name: str, uid: int) -> dict[str, str]:
     }
 
 
-# TODO, why aren't frame resp `log.info()`s showing in upstream
-# code?!
 @acm
 async def open_history_client(
     mkt: MktPair,
@@ -465,8 +463,6 @@ async def stream_quotes(
     ):
         init_msgs: list[FeedInit] = []
         for sym in symbols:
-            mkt: MktPair
-            pair: Pair
             mkt, pair = await get_mkt_info(sym)
 
             # build out init msgs according to latest spec
@@ -515,6 +511,7 @@ async def stream_quotes(
 
             # start streaming
             async for typ, quote in msg_gen:
+
                 # period = time.time() - last
                 # hz = 1/period if period else float('inf')
                 # if hz > 60:
@@ -550,7 +547,7 @@ async def open_symbol_search(
                 )
 
                 # repack in fqme-keyed table
-                byfqme: dict[str, Pair] = {}
+                byfqme: dict[start, Pair] = {}
                 for pair in pairs.values():
                     byfqme[pair.bs_fqme] = pair
 

piker/brokers/deribit/__init__.py

@@ -25,6 +25,7 @@ from .api import (
     get_client,
 )
 from .feed import (
+    get_mkt_info,
     open_history_client,
     open_symbol_search,
     stream_quotes,
@@ -34,15 +35,20 @@ from .feed import (
     # open_trade_dialog,
     # norm_trade_records,
 # )
+from .venues import (
+    OptionPair,
+)
 
 log = get_logger(__name__)
 
 __all__ = [
     'get_client',
 #    'trades_dialogue',
+    'get_mkt_info',
     'open_history_client',
     'open_symbol_search',
     'stream_quotes',
+    'OptionPair',
 #    'norm_trade_records',
 ]
 

piker/brokers/deribit/feed.py

@@ -18,38 +18,59 @@
 Deribit backend.
 
 '''
+from __future__ import annotations
 from contextlib import asynccontextmanager as acm
 from datetime import datetime
-from typing import Any, Optional, Callable
+from typing import (
+    # Any,
+    # Optional,
+    Callable,
+)
+# from pprint import pformat
 import time
 
+import cryptofeed
 import trio
 from trio_typing import TaskStatus
-import pendulum
-from rapidfuzz import process as fuzzy
+from pendulum import (
+    from_timestamp,
+)
 import numpy as np
 import tractor
 
-from piker.brokers import open_cached_client
-from piker.log import get_logger, get_console_log
-from piker.data import ShmArray
-from piker.brokers._util import (
-    BrokerError,
+from piker.accounting import (
+    Asset,
+    MktPair,
+    unpack_fqme,
+)
+from piker.brokers import (
+    open_cached_client,
+    NoData,
     DataUnavailable,
 )
-
-from cryptofeed import FeedHandler
-from cryptofeed.defines import (
-    DERIBIT, L1_BOOK, TRADES, OPTION, CALL, PUT
+from piker._cacheables import (
+    async_lifo_cache,
 )
-from cryptofeed.symbols import Symbol
+from piker.log import (
+    get_logger,
+    mk_repr,
+)
+from piker.data.validate import FeedInit
+
 
 from .api import (
-    Client, Trade,
-    get_config,
-    str_to_cb_sym, piker_sym_to_cb_sym, cb_sym_to_deribit_inst,
+    Client,
+    # get_config,
+    piker_sym_to_cb_sym,
+    cb_sym_to_deribit_inst,
+    str_to_cb_sym,
     maybe_open_price_feed
 )
+from .venues import (
+    Pair,
+    OptionPair,
+    Trade,
+)
 
 _spawn_kwargs = {
     'infect_asyncio': True,
@@ -64,90 +85,215 @@ async def open_history_client(
     mkt: MktPair,
 ) -> tuple[Callable, int]:
 
-    fnstrument: str = mkt.bs_fqme
     # TODO implement history getter for the new storage layer.
     async with open_cached_client('deribit') as client:
 
+        pair: OptionPair = client._pairs[mkt.dst.name]
+        # XXX NOTE, the cuckers use ms !!!
+        creation_time_s: int = pair.creation_timestamp/1000
+
         async def get_ohlc(
-            end_dt: Optional[datetime] = None,
-            start_dt: Optional[datetime] = None,
+            timeframe: float,
+            end_dt: datetime | None = None,
+            start_dt: datetime | None = None,
 
         ) -> tuple[
             np.ndarray,
             datetime,  # start
             datetime,  # end
         ]:
+            if timeframe != 60:
+                raise DataUnavailable('Only 1m bars are supported')
 
-            array = await client.bars(
-                instrument,
+            array: np.ndarray = await client.bars(
+                mkt,
                 start_dt=start_dt,
                 end_dt=end_dt,
             )
             if len(array) == 0:
-                raise DataUnavailable
+                if (
+                    end_dt is None
+                ):
+                    raise DataUnavailable(
+                        'No history seems to exist yet?\n\n'
+                        f'{mkt}'
+                    )
+                elif (
+                    end_dt
+                    and
+                    end_dt.timestamp() < creation_time_s
+                ):
+                    # the contract can't have history
+                    # before it was created.
+                    pair_type_str: str = type(pair).__name__
+                    create_dt: datetime = from_timestamp(creation_time_s)
+                    raise DataUnavailable(
+                        f'No history prior to\n'
+                        f'`{pair_type_str}.creation_timestamp: int = '
+                        f'{pair.creation_timestamp}\n\n'
+                        f'------ deribit sux ------\n'
+                        f'WHICH IN "NORMAL PEOPLE WHO USE EPOCH TIME" form is,\n'
+                        f'creation_time_s: {creation_time_s}\n'
+                        f'create_dt: {create_dt}\n'
+                    )
+                raise NoData(
+                    f'No frame for {start_dt} -> {end_dt}\n'
+                )
 
-            start_dt = pendulum.from_timestamp(array[0]['time'])
-            end_dt = pendulum.from_timestamp(array[-1]['time'])
+            start_dt = from_timestamp(array[0]['time'])
+            end_dt = from_timestamp(array[-1]['time'])
+
+            times = array['time']
+            if not times.any():
+                raise ValueError(
+                    'Bad frame with null-times?\n\n'
+                    f'{times}'
+                )
+
+            if end_dt is None:
+                inow: int = round(time.time())
+                if (inow - times[-1]) > 60:
+                    await tractor.pause()
 
             return array, start_dt, end_dt
 
-        yield get_ohlc, {'erlangs': 3, 'rate': 3}
+        yield (
+            get_ohlc,
+            {  # backfill config
+                'erlangs': 3,
+                'rate': 3,
+            }
+        )
+
+
+@async_lifo_cache()
+async def get_mkt_info(
+    fqme: str,
+
+) -> tuple[MktPair, Pair|OptionPair] | None:
+
+    # uppercase since kraken bs_mktid is always upper
+    if 'deribit' not in fqme.lower():
+        fqme += '.deribit'
+
+    mkt_mode: str = ''
+    broker, mkt_ep, venue, expiry = unpack_fqme(fqme)
+
+    # NOTE: we always upper case all tokens to be consistent with
+    # binance's symbology style for pairs, like `BTCUSDT`, but in
+    # theory we could also just keep things lower case; as long as
+    # we're consistent and the symcache matches whatever this func
+    # returns, always!
+    expiry: str = expiry.upper()
+    venue: str = venue.upper()
+    # venue_lower: str = venue.lower()
+
+    mkt_mode: str = 'option'
+
+    async with open_cached_client(
+        'deribit',
+    ) as client:
+
+        assets: dict[str, Asset] = await client.get_assets()
+        pair_str: str = mkt_ep.lower()
+
+        pair: Pair = await client.exch_info(
+            sym=pair_str,
+        )
+        mkt_mode = pair.venue
+        client.mkt_mode = mkt_mode
+
+        dst: Asset | None = assets.get(pair.bs_dst_asset)
+        src: Asset | None = assets.get(pair.bs_src_asset)
+
+        mkt = MktPair(
+            dst=dst,
+            src=src,
+            price_tick=pair.price_tick,
+            size_tick=pair.size_tick,
+            bs_mktid=pair.symbol,
+            venue=mkt_mode,
+            broker='deribit',
+            _atype=mkt_mode,
+            _fqme_without_src=True,
+
+            # expiry=pair.expiry,
+            # XXX TODO, currently we don't use it since it's
+            # already "described" in the `OptionPair.symbol: str`
+            # and if we slap in the ISO repr it's kinda hideous..
+            # -[ ] figure out the best either std
+        )
+        return mkt, pair
 
 
 async def stream_quotes(
-
     send_chan: trio.abc.SendChannel,
     symbols: list[str],
     feed_is_live: trio.Event,
-    loglevel: str = None,
 
     # startup sync
     task_status: TaskStatus[tuple[dict, dict]] = trio.TASK_STATUS_IGNORED,
 
 ) -> None:
-    # XXX: required to propagate ``tractor`` loglevel to piker logging
-    get_console_log(loglevel or tractor.current_actor().loglevel)
+    '''
+    Open a live quote stream for the market set defined by `symbols`.
 
-    sym = symbols[0]
+    Internally this starts a `cryptofeed.FeedHandler` inside an `asyncio`-side
+    task and relays through L1 and `Trade` msgs here to our `trio.Task`.
+
+    '''
+    sym = symbols[0].split('.')[0]
+    init_msgs: list[FeedInit] = []
+
+    # multiline nested `dict` formatter (since rn quote-msgs are
+    # just that).
+    pfmt: Callable[[str], str] = mk_repr(
+        # so we can see `deribit`'s delightfully mega-long bs fields..
+        maxstring=100,
+    )
 
     async with (
         open_cached_client('deribit') as client,
         send_chan as send_chan
     ):
+        mkt: MktPair
+        pair: Pair
+        mkt, pair = await get_mkt_info(sym)
 
-        init_msgs = {
-            # pass back token, and bool, signalling if we're the writer
-            # and that history has been written
-            sym: {
-                'symbol_info': {
-                    'asset_type': 'option',
-                    'price_tick_size': 0.0005
-                },
-                'shm_write_opts': {'sum_tick_vml': False},
-                'fqsn': sym,
-            },
-        }
+        # build out init msgs according to latest spec
+        init_msgs.append(
+            FeedInit(
+                mkt_info=mkt,
+            )
+        )
+        # build `cryptofeed` feed-handle
+        cf_sym: cryptofeed.Symbol = piker_sym_to_cb_sym(sym)
 
-        nsym = piker_sym_to_cb_sym(sym)
+        from_cf: tractor.to_asyncio.LinkedTaskChannel
+        async with maybe_open_price_feed(sym) as from_cf:
 
-        async with maybe_open_price_feed(sym) as stream:
+            # load the "last trades" summary
+            last_trades_res: cryptofeed.LastTradesResult = await client.last_trades(
+                cb_sym_to_deribit_inst(cf_sym),
+                count=1,
+            )
+            last_trades: list[Trade] = last_trades_res.trades
 
-            cache = await client.cache_symbols()
+            # TODO, do we even need this or will the above always
+            # work?
+            # if not last_trades:
+            #     await tractor.pause()
+            #     async for typ, quote in from_cf:
+            #         if typ == 'trade':
+            #             last_trade = Trade(**(quote['data']))
+            #             break
 
-            last_trades = (await client.last_trades(
-                cb_sym_to_deribit_inst(nsym), count=1)).trades
+            # else:
+            last_trade = Trade(
+                **(last_trades[0])
+            )
 
-            if len(last_trades) == 0:
-                last_trade = None
-                async for typ, quote in stream:
-                    if typ == 'trade':
-                        last_trade = Trade(**(quote['data']))
-                        break
-
-            else:
-                last_trade = Trade(**(last_trades[0]))
-
-            first_quote = {
+            first_quote: dict = {
                 'symbol': sym,
                 'last': last_trade.price,
                 'brokerd_ts': last_trade.timestamp,
@@ -158,13 +304,84 @@ async def stream_quotes(
                     'broker_ts': last_trade.timestamp
                 }]
             }
-            task_status.started((init_msgs,  first_quote))
+            task_status.started((
+                init_msgs,
+                first_quote,
+            ))
 
             feed_is_live.set()
 
-            async for typ, quote in stream:
-                topic = quote['symbol']
-                await send_chan.send({topic: quote})
+            # NOTE XXX, static for now!
+            # => since this only handles ONE mkt feed at a time we
+            # don't need a lookup table to map interleaved quotes
+            # from multiple possible mkt-pairs
+            topic: str = mkt.bs_fqme
+
+            # deliver until cancelled
+            async for typ, ref in from_cf:
+                match typ:
+                    case 'trade':
+                        trade: cryptofeed.types.Trade = ref
+
+                        # TODO, re-impl this according to teh ideal
+                        # fqme for opts that we choose!!
+                        bs_fqme: str = cb_sym_to_deribit_inst(
+                            str_to_cb_sym(trade.symbol)
+                        ).lower()
+
+                        piker_quote: dict = {
+                            'symbol': bs_fqme,
+                            'last': trade.price,
+                            'broker_ts': time.time(),
+                            # ^TODO, name this `brokerd/datad_ts` and
+                            # use `time.time_ns()` ??
+                            'ticks': [{
+                                'type': 'trade',
+                                'price': float(trade.price),
+                                'size': float(trade.amount),
+                                'broker_ts': trade.timestamp,
+                            }],
+                        }
+                        log.info(
+                            f'deribit {typ!r} quote for {sym!r}\n\n'
+                            f'{trade}\n\n'
+                            f'{pfmt(piker_quote)}\n'
+                        )
+
+                    case 'l1':
+                        book: cryptofeed.types.L1Book = ref
+
+                        # TODO, so this is where we can possibly change things
+                        # and instead lever the `MktPair.bs_fqme: str` output?
+                        bs_fqme: str = cb_sym_to_deribit_inst(
+                            str_to_cb_sym(book.symbol)
+                        ).lower()
+
+                        piker_quote: dict = {
+                            'symbol': bs_fqme,
+                            'ticks': [
+
+                                {'type': 'bid',
+                                 'price': float(book.bid_price),
+                                 'size': float(book.bid_size)},
+
+                                {'type': 'bsize',
+                                 'price': float(book.bid_price),
+                                 'size': float(book.bid_size),},
+
+                                {'type': 'ask',
+                                 'price': float(book.ask_price),
+                                 'size': float(book.ask_size),},
+
+                                {'type': 'asize',
+                                 'price': float(book.ask_price),
+                                 'size': float(book.ask_size),}
+                            ]
+                        }
+
+                await send_chan.send({
+                    topic: piker_quote,
+                })
 
 
 @tractor.context
@@ -174,12 +391,21 @@ async def open_symbol_search(
     async with open_cached_client('deribit') as client:
 
         # load all symbols locally for fast search
-        cache = await client.cache_symbols()
+        # cache = client._pairs
         await ctx.started()
 
         async with ctx.open_stream() as stream:
-
+            pattern: str
             async for pattern in stream:
-                # repack in dict form
-                await stream.send(
-                    await client.search_symbols(pattern))
+
+                # NOTE: pattern fuzzy-matching is done within
+                # the methd impl.
+                pairs: dict[str, Pair] = await client.search_symbols(
+                    pattern,
+                )
+                # repack in fqme-keyed table
+                byfqme: dict[str, Pair] = {}
+                for pair in pairs.values():
+                    byfqme[pair.bs_fqme] = pair
+
+                await stream.send(byfqme)

piker/brokers/deribit/venues.py

@@ -0,0 +1,196 @@
+# 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/>.
+
+"""
+Per market data-type definitions and schemas types.
+
+"""
+from __future__ import annotations
+import pendulum
+from typing import (
+    Literal,
+    Optional,
+)
+from decimal import Decimal
+
+from piker.types import Struct
+
+
+# API endpoint paths by venue / sub-API
+_domain: str = 'deribit.com'
+_url = f'https://www.{_domain}'
+
+# WEBsocketz
+_ws_url: str = f'wss://www.{_domain}/ws/api/v2'
+
+# test nets
+_testnet_ws_url: str = f'wss://test.{_domain}/ws/api/v2'
+
+MarketType = Literal[
+    'option'
+]
+
+
+def get_api_eps(venue: MarketType) -> tuple[str, str]:
+    '''
+    Return API ep root paths per venue.
+
+    '''
+    return {
+        'option': (
+            _ws_url,
+        ),
+    }[venue]
+
+
+class Pair(Struct, frozen=True, kw_only=True):
+
+    symbol: str
+
+    # src
+    quote_currency: str # 'BTC'
+
+    # dst
+    base_currency: str # "BTC",
+
+    tick_size: float # 0.0001 # [{'above_price': 0.005, 'tick_size': 0.0005}]
+    tick_size_steps: list[dict[str, float]] 
+
+    @property
+    def price_tick(self) -> Decimal:
+        return Decimal(str(self.tick_size_steps[0]['above_price']))
+
+    @property
+    def size_tick(self) -> Decimal:
+        return Decimal(str(self.tick_size))
+
+    @property
+    def bs_fqme(self) -> str:
+        return f'{self.symbol}'
+
+    @property
+    def bs_mktid(self) -> str:
+        return f'{self.symbol}.{self.venue}'
+
+
+class OptionPair(Pair, frozen=True):
+
+    taker_commission: float # 0.0003
+    strike: float # 5000.0
+    settlement_period: str # 'day'
+    settlement_currency: str # "BTC",
+    rfq: bool # false
+    price_index: str # 'btc_usd'
+    option_type: str # 'call'
+    min_trade_amount: float # 0.1
+    maker_commission: float # 0.0003
+    kind: str # 'option'
+    is_active: bool # true
+    instrument_type: str # 'reversed'
+    instrument_name: str # 'BTC-1SEP24-55000-C'
+    instrument_id: int # 364671
+    expiration_timestamp: int # 1725177600000
+    creation_timestamp: int # 1724918461000
+    counter_currency: str # 'USD' 
+    contract_size: float # '1.0'
+    block_trade_tick_size: float # '0.0001'
+    block_trade_min_trade_amount: int # '25'
+    block_trade_commission: float # '0.003'
+
+    # NOTE: see `.data._symcache.SymbologyCache.load()` for why
+    ns_path: str = 'piker.brokers.deribit:OptionPair'
+
+    # TODO, impl this without the MM:SS part of
+    # the `'THH:MM:SS..'` etc..
+    @property
+    def expiry(self) -> str:
+        iso_date = pendulum.from_timestamp(
+            self.expiration_timestamp / 1000
+        ).isoformat()
+        return iso_date 
+
+    @property
+    def venue(self) -> str:
+        return f'{self.instrument_type}_option'
+
+    @property
+    def bs_fqme(self) -> str:
+        return f'{self.symbol}'
+
+    @property
+    def bs_src_asset(self) -> str:
+        return f'{self.quote_currency}'
+
+    @property
+    def bs_dst_asset(self) -> str:
+        return f'{self.symbol}'
+
+
+PAIRTYPES: dict[MarketType, Pair] = {
+    'option': OptionPair,
+}
+
+
+class JSONRPCResult(Struct):
+    id: int
+    usIn: int
+    usOut: int
+    usDiff: int
+    testnet: bool
+    jsonrpc: str = '2.0'
+    error: Optional[dict] = None
+    result: Optional[list[dict]] = None
+
+
+class JSONRPCChannel(Struct):
+    method: str
+    params: dict
+    jsonrpc: str = '2.0'
+
+
+class KLinesResult(Struct):
+    low: list[float]
+    cost: list[float]
+    high: list[float]
+    open: list[float]
+    close: list[float]
+    ticks: list[int]
+    status: str
+    volume: list[float]
+
+
+class Trade(Struct):
+    iv: float
+    price: float
+    amount: float
+    trade_id: str
+    contracts: float
+    direction: str
+    trade_seq: int
+    timestamp: int
+    mark_price: float
+    index_price: float
+    tick_direction: int
+    instrument_name: str
+    combo_id: Optional[str] = '',
+    combo_trade_id: Optional[int] = 0,
+    block_trade_id: Optional[str] = '',
+    block_trade_leg_count: Optional[int] = 0,
+
+
+class LastTradesResult(Struct):
+    trades: list[Trade]
+    has_more: bool

piker/brokers/ib/api.py

@@ -1250,12 +1250,6 @@ async def load_aio_clients(
 
         for i in range(connect_retries):
             try:
-                log.info(
-                    'Trying `ib_async` connect\n'
-                    f'{host}: {port}\n'
-                    f'clientId: {client_id}\n'
-                    f'timeout: {connect_timeout}\n'
-                )
                 await ib.connectAsync(
                     host,
                     port,
@@ -1373,9 +1367,7 @@ async def load_clients_for_trio(
     a ``tractor.to_asyncio.open_channel_from()``.
 
     '''
-    async with load_aio_clients(
-        disconnect_on_exit=False,
-    ) as accts2clients:
+    async with load_aio_clients() as accts2clients:
 
         to_trio.send_nowait(accts2clients)
 

piker/brokers/kucoin.py

@@ -62,7 +62,7 @@ from piker._cacheables import (
 )
 from piker.log import get_logger
 from piker.data.validate import FeedInit
-from piker.types import Struct  # NOTE, this is already a `tractor.msg.Struct`
+from piker.types import Struct
 from piker.data import (
     def_iohlcv_fields,
     match_from_pairs,
@@ -98,18 +98,9 @@ class KucoinMktPair(Struct, frozen=True):
     def size_tick(self) -> Decimal:
         return Decimal(str(self.quoteMinSize))
 
-    callauctionFirstStageStartTime: None|float
-    callauctionIsEnabled: bool
-    callauctionPriceCeiling: float|None
-    callauctionPriceFloor: float|None
-    callauctionSecondStageStartTime: float|None
-    callauctionThirdStageStartTime: float|None
-
     enableTrading: bool
-    feeCategory: int
     feeCurrency: str
     isMarginEnabled: bool
-    makerFeeCoefficient: float
     market: str
     minFunds: float
     name: str
@@ -119,10 +110,11 @@ class KucoinMktPair(Struct, frozen=True):
     quoteIncrement: float
     quoteMaxSize: float
     quoteMinSize: float
-    st: bool
     symbol: str  # our bs_mktid, kucoin's internal id
+    feeCategory: int
+    makerFeeCoefficient: float
     takerFeeCoefficient: float
-    tradingStartTime: float|None
+    st: bool
 
 
 class AccountTrade(Struct, frozen=True):
@@ -404,13 +396,7 @@ class Client:
         pairs: dict[str, KucoinMktPair] = {}
         fqmes2mktids: bidict[str, str] = bidict()
         for item in entries:
-            try:
-                pair = pairs[item['name']] = KucoinMktPair(**item)
-            except TypeError as te:
-                raise TypeError(
-                    '`KucoinMktPair` and reponse fields do not match ??\n'
-                    f'{KucoinMktPair.fields_diff(item)}\n'
-                ) from te
+            pair = pairs[item['name']] = KucoinMktPair(**item)
             fqmes2mktids[
                 item['name'].lower().replace('-', '')
             ] = pair.name

piker/clearing/README.rst

@@ -1,49 +0,0 @@
-piker.clearing
-______________
-trade execution-n-control subsys for both live and paper trading as
-well as algo-trading manual override/interaction across any backend
-broker and data provider.
-
-avail UIs
-*********
-
-order ctl
----------
-the `piker.clearing` subsys is exposed mainly though
-the `piker chart` GUI as a "chart trader" style UX and
-is automatically enabled whenever a chart is opened.
-
-.. ^TODO, more prose here!
-
-the "manual" order control features are exposed via the
-`piker.ui.order_mode` API and can pretty much always be
-used (at least) in simulated-trading mode, aka "paper"-mode, and
-the micro-manual is as follows:
-
-``order_mode`` (
-    edge triggered activation by any of the following keys,
-    ``mouse-click`` on y-level to submit at that price
-    ):
-
-    - ``f``/ ``ctl-f`` to stage buy
-    - ``d``/ ``ctl-d`` to stage sell
-    - ``a`` to stage alert
-
-
-``search_mode`` (
-    ``ctl-l`` or ``ctl-space`` to open,
-    ``ctl-c`` or ``ctl-space`` to close
-    ) :
-
-    - begin typing to have symbol search automatically lookup
-      symbols from all loaded backend (broker) providers
-    - arrow keys and mouse click to navigate selection
-    - vi-like ``ctl-[hjkl]`` for navigation
-
-
-position (pp) mgmt
-------------------
-you can also configure your position allocation limits from the
-sidepane.
-
-.. ^TODO, explain and provide tut once more refined!

piker/clearing/_ems.py

@@ -653,7 +653,11 @@ class Router(Struct):
             flume = feed.flumes[fqme]
             first_quote: dict = flume.first_quote
             book: DarkBook = self.get_dark_book(broker)
-            book.lasts[fqme]: float = float(first_quote['last'])
+
+            if not (last := first_quote.get('last')):
+                last: float = flume.rt_shm.array[-1]['close']
+
+            book.lasts[fqme]: float = float(last)
 
             async with self.maybe_open_brokerd_dialog(
                 brokermod=brokermod,
@@ -716,7 +720,7 @@ class Router(Struct):
             subs = self.subscribers[sub_key]
 
         sent_some: bool = False
-        for client_stream in subs:
+        for client_stream in subs.copy():
             try:
                 await client_stream.send(msg)
                 sent_some = True
@@ -1010,10 +1014,14 @@ async def translate_and_relay_brokerd_events(
                 status_msg.brokerd_msg = msg
                 status_msg.src = msg.broker_details['name']
 
-                await router.client_broadcast(
-                    status_msg.req.symbol,
-                    status_msg,
-                )
+                if not status_msg.req:
+                    # likely some order change state?
+                    await tractor.pause()
+                else:
+                    await router.client_broadcast(
+                        status_msg.req.symbol,
+                        status_msg,
+                    )
 
                 if status == 'closed':
                     log.info(f'Execution for {oid} is complete!')

piker/clearing/_paper_engine.py

@@ -653,6 +653,7 @@ async def open_trade_dialog(
                 # in) use manually constructed table from calling
                 # the `.get_mkt_info()` provider EP above.
                 _mktmap_table=mkt_by_fqme,
+                only_require=list(mkt_by_fqme),
             )
 
             pp_msgs: list[BrokerdPosition] = []

piker/cli/__init__.py

@@ -335,7 +335,7 @@ def services(config, tl, ports):
                 name='service_query',
                 loglevel=config['loglevel'] if tl else None,
             ),
-            tractor.get_arbiter(
+            tractor.get_registry(
                 host=host,
                 port=ports[0]
             ) as portal

piker/config.py

@@ -104,15 +104,14 @@ def get_app_dir(
     # `tractor`) with the testing dir and check for it whenever we
     # detect `pytest` is being used (which it isn't under normal
     # operation).
-    # if "pytest" in sys.modules:
-    #     import tractor
-    #     actor = tractor.current_actor(err_on_no_runtime=False)
-    #     if actor:  # runtime is up
-    #         rvs = tractor._state._runtime_vars
-    #         import pdbp; pdbp.set_trace()
-    #         testdirpath = Path(rvs['piker_vars']['piker_test_dir'])
-    #         assert testdirpath.exists(), 'piker test harness might be borked!?'
-    #         app_name = str(testdirpath)
+    if "pytest" in sys.modules:
+        import tractor
+        actor = tractor.current_actor(err_on_no_runtime=False)
+        if actor:  # runtime is up
+            rvs = tractor._state._runtime_vars
+            testdirpath = Path(rvs['piker_vars']['piker_test_dir'])
+            assert testdirpath.exists(), 'piker test harness might be borked!?'
+            app_name = str(testdirpath)
 
     if platform.system() == 'Windows':
         key = "APPDATA" if roaming else "LOCALAPPDATA"

piker/data/_sampling.py

@@ -25,10 +25,12 @@ from collections import (
     defaultdict,
 )
 from contextlib import asynccontextmanager as acm
+from functools import partial
 import time
 from typing import (
     Any,
     AsyncIterator,
+    Callable,
     TYPE_CHECKING,
 )
 
@@ -42,7 +44,7 @@ from tractor.trionics import (
     maybe_open_nursery,
 )
 import trio
-from trio_typing import TaskStatus
+from trio import TaskStatus
 
 from .ticktools import (
     frame_ticks,
@@ -53,6 +55,9 @@ from ._util import (
     get_console_log,
 )
 from ..service import maybe_spawn_daemon
+from piker.log import (
+    mk_repr,
+)
 
 if TYPE_CHECKING:
     from ._sharedmem import (
@@ -70,6 +75,7 @@ if TYPE_CHECKING:
 _default_delay_s: float = 1.0
 
 
+# TODO: use new `tractor.singleton_acm` API for this!
 class Sampler:
     '''
     Global sampling engine registry.
@@ -79,9 +85,9 @@ 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
-    ``register_with_sampler()``.
+    time-step-sample a (real-time) quote feeds, see
+    `.service.maybe_open_samplerd()` and the below
+    `register_with_sampler()`.
 
     '''
     service_nursery: None | trio.Nursery = None
@@ -375,7 +381,10 @@ async def register_with_sampler(
                 assert Sampler.ohlcv_shms
 
             # unblock caller
-            await ctx.started(set(Sampler.ohlcv_shms.keys()))
+            await ctx.started(
+                # XXX bc msgpack only allows one array type!
+                list(Sampler.ohlcv_shms.keys())
+            )
 
             if open_index_stream:
                 try:
@@ -419,7 +428,6 @@ async def register_with_sampler(
 
 
 async def spawn_samplerd(
-
     loglevel: str | None = None,
     **extra_tractor_kwargs
 
@@ -429,7 +437,10 @@ async def spawn_samplerd(
     update and increment count write and stream broadcasting.
 
     '''
-    from piker.service import Services
+    from piker.service import (
+        get_service_mngr,
+        ServiceMngr,
+    )
 
     dname = 'samplerd'
     log.info(f'Spawning `{dname}`')
@@ -437,26 +448,33 @@ async def spawn_samplerd(
     # singleton lock creation of ``samplerd`` since we only ever want
     # one daemon per ``pikerd`` proc tree.
     # TODO: make this built-into the service api?
-    async with Services.locks[dname + '_singleton']:
+    mngr: ServiceMngr = get_service_mngr()
+    already_started: bool = dname in mngr.service_tasks
 
-        if dname not in Services.service_tasks:
-
-            portal = await Services.actor_n.start_actor(
-                dname,
-                enable_modules=[
-                    'piker.data._sampling',
-                ],
-                loglevel=loglevel,
-                debug_mode=Services.debug_mode,  # set by pikerd flag
-                **extra_tractor_kwargs
-            )
-
-            await Services.start_service_task(
-                dname,
-                portal,
+    async with mngr._locks[dname + '_singleton']:
+        ctx: Context = await mngr.start_service(
+            daemon_name=dname,
+            ctx_ep=partial(
                 register_with_sampler,
                 period_s=1,
                 sub_for_broadcasts=False,
+            ),
+            debug_mode=mngr.debug_mode,  # set by pikerd flag
+
+            # proxy-through to tractor
+            enable_modules=[
+                'piker.data._sampling',
+            ],
+            loglevel=loglevel,
+            **extra_tractor_kwargs
+        )
+        if not already_started:
+            assert (
+                ctx
+                and
+                ctx.portal
+                and
+                not ctx.cancel_called
             )
             return True
 
@@ -561,7 +579,6 @@ async def open_sample_stream(
 
 
 async def sample_and_broadcast(
-
     bus: _FeedsBus,  # noqa
     rt_shm: ShmArray,
     hist_shm: ShmArray,
@@ -582,11 +599,22 @@ async def sample_and_broadcast(
 
     overruns = Counter()
 
+    # multiline nested `dict` formatter (since rn quote-msgs are
+    # just that).
+    pfmt: Callable[[str], str] = mk_repr()
+
     # iterate stream delivered by broker
     async for quotes in quote_stream:
-        # print(quotes)
 
-        # TODO: ``numba`` this!
+        # XXX WARNING XXX only enable for debugging bc ow can cost
+        # ALOT of perf with HF-feedz!!!
+        #
+        # log.info(
+        #     'Rx live quotes:\n'
+        #     f'{pfmt(quotes)}'
+        # )
+
+        # TODO: `numba` this!
         for broker_symbol, quote in quotes.items():
             # TODO: in theory you can send the IPC msg *before* writing
             # to the sharedmem array to decrease latency, however, that
@@ -659,6 +687,18 @@ async def sample_and_broadcast(
             sub_key: str = broker_symbol.lower()
             subs: set[Sub] = bus.get_subs(sub_key)
 
+            if not subs:
+                all_bs_fqmes: list[str] = list(
+                    bus._subscribers.keys()
+                )
+                log.warning(
+                    f'No subscribers for {brokername!r} live-quote ??\n'
+                    f'broker_symbol: {broker_symbol}\n\n'
+
+                    f'Maybe the backend-sys symbol does not match one of,\n'
+                    f'{pfmt(all_bs_fqmes)}\n'
+                )
+
             # NOTE: by default the broker backend doesn't append
             # it's own "name" into the fqme schema (but maybe it
             # should?) so we have to manually generate the correct
@@ -889,6 +929,7 @@ async def uniform_rate_send(
             # to consumers which crash or lose network connection.
             # I.e. we **DO NOT** want to crash and propagate up to
             # ``pikerd`` these kinds of errors!
+            trio.EndOfChannel,
             trio.ClosedResourceError,
             trio.BrokenResourceError,
             ConnectionResetError,

piker/data/_web_bs.py

@@ -387,22 +387,17 @@ async def open_jsonrpc_session(
     # broken and never restored with wtv init sequence is required to
     # re-establish a working req-resp session.
 
+    # request_type: Optional[type] = None,
+    # request_hook: Optional[Callable] = None,
+    # error_hook: Optional[Callable] = None,
 ) -> Callable[[str, dict], dict]:
-    '''
-    Init a json-RPC-over-websocket connection to the provided `url`.
 
-    A `json_rpc: Callable[[str, dict], dict` is delivered to the
-    caller for sending requests and a bg-`trio.Task` handles
-    processing of response msgs including error reporting/raising in
-    the parent/caller task.
-
-    '''
     # NOTE, store all request msgs so we can raise errors on the
     # caller side!
     req_msgs: dict[int, dict] = {}
 
     async with (
-        trio.open_nursery() as tn,
+        trio.open_nursery() as n,
         open_autorecon_ws(
             url=url,
             msg_recv_timeout=msg_recv_timeout,
@@ -491,10 +486,15 @@ async def open_jsonrpc_session(
                         'params': _,
                     }:
                         log.debug(f'Recieved\n{msg}')
+                        # if request_hook:
+                        #     await request_hook(request_type(**msg))
 
                     case {
                         'error': error
                     }:
+                        # if error_hook:
+                        #     await error_hook(response_type(**msg))
+
                         # retreive orig request msg, set error
                         # response in original "result" msg,
                         # THEN FINALLY set the event to signal caller
@@ -513,6 +513,6 @@ async def open_jsonrpc_session(
                     case _:
                         log.warning(f'Unhandled JSON-RPC msg!?\n{msg}')
 
-        tn.start_soon(recv_task)
+        n.start_soon(recv_task)
         yield json_rpc
-        tn.cancel_scope.cancel()
+        n.cancel_scope.cancel()

piker/data/feed.py

@@ -540,7 +540,10 @@ async def open_feed_bus(
         # subscription since the backend isn't (yet) expected to
         # append it's own name to the fqme, so we filter on keys
         # which *do not* include that name (e.g .ib) .
-        bus._subscribers.setdefault(bs_fqme, set())
+        bus._subscribers.setdefault(
+            bs_fqme,
+            set(),
+        )
 
     # sync feed subscribers with flume handles
     await ctx.started(

piker/log.py

@@ -18,7 +18,11 @@
 Log like a forester!
 """
 import logging
+import reprlib
 import json
+from typing import (
+    Callable,
+)
 
 import tractor
 from pygments import (
@@ -84,3 +88,27 @@ def colorize_json(
         # likeable styles: algol_nu, tango, monokai
         formatters.TerminalTrueColorFormatter(style=style)
     )
+
+
+def mk_repr(
+    **repr_kws,
+) -> Callable[[str], str]:
+    '''
+    Allocate and deliver a `repr.Repr` instance with provided input
+    settings using the std-lib's `reprlib` mod,
+     * https://docs.python.org/3/library/reprlib.html
+
+    ------ Ex. ------
+    An up to 6-layer-nested `dict` as multi-line:
+    - https://stackoverflow.com/a/79102479
+    - https://docs.python.org/3/library/reprlib.html#reprlib.Repr.maxlevel
+
+    '''
+    def_kws: dict[str, int] = dict(
+        indent=2,
+        maxlevel=6,  # recursion levels
+        maxstring=66,  # match editor line-len limit
+    )
+    def_kws |= repr_kws
+    reprr = reprlib.Repr(**def_kws)
+    return reprr.repr

piker/service/__init__.py

@@ -30,7 +30,11 @@ Actor runtime primtives and (distributed) service APIs for,
   => TODO: maybe to (re)move elsewhere?
 
 '''
-from ._mngr import Services as Services
+from ._mngr import (
+    get_service_mngr as get_service_mngr,
+    open_service_mngr as open_service_mngr,
+    ServiceMngr as ServiceMngr,
+)
 from ._registry import (
     _tractor_kwargs as _tractor_kwargs,
     _default_reg_addr as _default_reg_addr,

piker/service/_actor_runtime.py

@@ -21,7 +21,6 @@
 from __future__ import annotations
 import os
 from typing import (
-    Optional,
     Any,
     ClassVar,
 )
@@ -30,13 +29,13 @@ from contextlib import (
 )
 
 import tractor
-import trio
 
 from ._util import (
     get_console_log,
 )
 from ._mngr import (
-    Services,
+    open_service_mngr,
+    ServiceMngr,
 )
 from ._registry import (  # noqa
     _tractor_kwargs,
@@ -59,7 +58,7 @@ 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.
@@ -69,7 +68,7 @@ async def open_piker_runtime(
     # and spawn the service tree distributed per that.
     start_method: str = 'trio',
 
-    tractor_runtime_overrides: dict | None = None,
+    tractor_runtime_overrides: dict|None = None,
     **tractor_kwargs,
 
 ) -> tuple[
@@ -119,6 +118,10 @@ async def open_piker_runtime(
                 # spawn other specialized daemons I think?
                 enable_modules=enable_modules,
 
+                # TODO: how to configure this?
+                # keep it on by default if debug mode is set?
+                # maybe_enable_greenback=debug_mode,
+
                 **tractor_kwargs,
             ) as actor,
 
@@ -167,12 +170,13 @@ async def open_pikerd(
 
     **kwargs,
 
-) -> Services:
+) -> ServiceMngr:
     '''
-    Start a root piker daemon with an indefinite lifetime.
+    Start a root piker daemon actor (aka `pikerd`) with an indefinite
+    lifetime.
 
-    A root actor nursery is created which can be used to create and keep
-    alive underling services (see below).
+    A root actor-nursery is created which can be used to spawn and
+    supervise underling service sub-actors (see below).
 
     '''
     # NOTE: for the root daemon we always enable the root
@@ -199,8 +203,6 @@ async def open_pikerd(
             root_actor,
             reg_addrs,
         ),
-        tractor.open_nursery() as actor_nursery,
-        trio.open_nursery() as service_nursery,
     ):
         for addr in reg_addrs:
             if addr not in root_actor.accept_addrs:
@@ -209,25 +211,17 @@ async def open_pikerd(
                     'Maybe you have another daemon already running?'
                 )
 
-        # assign globally for future daemon/task creation
-        Services.actor_n = actor_nursery
-        Services.service_n = service_nursery
-        Services.debug_mode = debug_mode
-
-        try:
-            yield Services
-
-        finally:
-            # TODO: is this more clever/efficient?
-            # if 'samplerd' in Services.service_tasks:
-            #     await Services.cancel_service('samplerd')
-            service_nursery.cancel_scope.cancel()
+        mngr: ServiceMngr
+        async with open_service_mngr(
+            debug_mode=debug_mode,
+        ) as mngr:
+            yield mngr
 
 
 # TODO: do we even need this?
 # @acm
 # async def maybe_open_runtime(
-#     loglevel: Optional[str] = None,
+#     loglevel: str|None = None,
 #     **kwargs,
 
 # ) -> None:
@@ -256,7 +250,7 @@ async def maybe_open_pikerd(
     loglevel: str | None = None,
     **kwargs,
 
-) -> tractor._portal.Portal | ClassVar[Services]:
+) -> tractor._portal.Portal | ClassVar[ServiceMngr]:
     '''
     If no ``pikerd`` daemon-root-actor can be found start it and
     yield up (we should probably figure out returning a portal to self

piker/service/_ahab.py

@@ -49,7 +49,7 @@ from requests.exceptions import (
     ReadTimeout,
 )
 
-from ._mngr import Services
+from ._mngr import ServiceMngr
 from ._util import (
     log,  # sub-sys logger
     get_console_log,
@@ -453,7 +453,7 @@ async def open_ahabd(
 
 @acm
 async def start_ahab_service(
-    services: Services,
+    services: ServiceMngr,
     service_name: str,
 
     # endpoint config passed as **kwargs
@@ -549,7 +549,8 @@ async def start_ahab_service(
         log.warning('Failed to cancel root permsed container')
 
     except (
-        trio.MultiError,
+        # trio.MultiError,
+        ExceptionGroup,
     ) as err:
         for subexc in err.exceptions:
             if isinstance(subexc, PermissionError):

piker/service/_daemon.py

@@ -26,14 +26,17 @@ from typing import (
 from contextlib import (
     asynccontextmanager as acm,
 )
+from collections import defaultdict
 
 import tractor
+import trio
 
 from ._util import (
     log,  # sub-sys logger
 )
 from ._mngr import (
-    Services,
+    get_service_mngr,
+    ServiceMngr,
 )
 from ._actor_runtime import maybe_open_pikerd
 from ._registry import find_service
@@ -41,15 +44,14 @@ from ._registry import find_service
 
 @acm
 async def maybe_spawn_daemon(
-
     service_name: str,
     service_task_target: Callable,
-
     spawn_args: dict[str, Any],
 
     loglevel: str | None = None,
     singleton: bool = False,
 
+    _locks = defaultdict(trio.Lock),
     **pikerd_kwargs,
 
 ) -> tractor.Portal:
@@ -67,7 +69,7 @@ async def maybe_spawn_daemon(
     '''
     # serialize access to this section to avoid
     # 2 or more tasks racing to create a daemon
-    lock = Services.locks[service_name]
+    lock = _locks[service_name]
     await lock.acquire()
 
     async with find_service(
@@ -132,7 +134,65 @@ async def maybe_spawn_daemon(
         async with tractor.wait_for_actor(service_name) as portal:
             lock.release()
             yield portal
-            await portal.cancel_actor()
+            # --- ---- ---
+            # XXX NOTE XXX
+            # --- ---- ---
+            # DO NOT PUT A `portal.cancel_actor()` here (as was prior)!
+            #
+            # Doing so will cause an "out-of-band" ctxc
+            # (`tractor.ContextCancelled`) to be raised inside the
+            # `ServiceMngr.open_context_in_task()`'s call to
+            # `ctx.wait_for_result()` AND the internal self-ctxc
+            # "graceful capture" WILL NOT CATCH IT!
+            #
+            # This can cause certain types of operations to raise
+            # that ctxc BEFORE THEY `return`, resulting in
+            # a "false-negative" ctxc being raised when really
+            # nothing actually failed, other then our semantic
+            # "failure" to suppress an expected, graceful,
+            # self-cancel scenario..
+            #
+            # bUt wHy duZ It WorK lIKe dis..
+            # ------------------------------
+            # from the perspective of the `tractor.Context` this
+            # cancel request was conducted "out of band" since
+            # `Context.cancel()` was never called and thus the
+            # `._cancel_called: bool` was never set. Despite the
+            # remote `.canceller` being set to `pikerd` (i.e. the
+            # same `Actor.uid` of the raising service-mngr task) the
+            # service-task's ctx itself was never marked as having
+            # requested cancellation and thus still raises the ctxc
+            # bc it was unaware of any such request.
+            #
+            # How to make grokin these cases easier tho?
+            # ------------------------------------------
+            # Because `Portal.cancel_actor()` was called it requests
+            # "full-`Actor`-runtime-cancellation" of it's peer
+            # process which IS NOT THE SAME as a single inter-actor
+            # RPC task cancelling its local context with a remote
+            # peer `Task` in that same peer process.
+            #
+            # ?TODO? It might be better if we do one (or all) of the
+            # following:
+            #
+            # -[ ] at least set a special message for the
+            #    `ContextCancelled` when raised locally by the
+            #    unaware ctx task such that we check for the
+            #    `.canceller` being *our `Actor`* and in the case
+            #    where `Context._cancel_called == False` we specially
+            #    note that this is likely an "out-of-band"
+            #    runtime-cancel request triggered by some call to
+            #    `Portal.cancel_actor()`, possibly even reporting the
+            #    exact LOC of that caller by tracking it inside our
+            #    portal-type?
+            # -[ ] possibly add another field `ContextCancelled` like
+            #    maybe a,
+            #    `.request_type: Literal['os', 'proc', 'actor',
+            #    'ctx']` type thing which would allow immediately
+            #    being able to tell what kind of cancellation caused
+            #    the unexpected ctxc?
+            # -[ ] REMOVE THIS COMMENT, once we've settled on how to
+            #     better augment `tractor` to be more explicit on this!
 
 
 async def spawn_emsd(
@@ -147,21 +207,22 @@ async def spawn_emsd(
     """
     log.info('Spawning emsd')
 
-    portal = await Services.actor_n.start_actor(
+    smngr: ServiceMngr = get_service_mngr()
+    portal = await smngr.actor_n.start_actor(
         'emsd',
         enable_modules=[
             'piker.clearing._ems',
             'piker.clearing._client',
         ],
         loglevel=loglevel,
-        debug_mode=Services.debug_mode,  # set by pikerd flag
+        debug_mode=smngr.debug_mode,  # set by pikerd flag
         **extra_tractor_kwargs
     )
 
     # non-blocking setup of clearing service
     from ..clearing._ems import _setup_persistent_emsd
 
-    await Services.start_service_task(
+    await smngr.start_service_task(
         'emsd',
         portal,
 

piker/service/_mngr.py

@@ -18,16 +18,29 @@
 daemon-service management API.
 
 """
+from __future__ import annotations
+from contextlib import (
+    asynccontextmanager as acm,
+    # contextmanager as cm,
+)
 from collections import defaultdict
+from dataclasses import (
+    dataclass,
+    field,
+)
+import functools
+import inspect
 from typing import (
     Callable,
     Any,
 )
 
-import trio
-from trio_typing import TaskStatus
+import msgspec
 import tractor
+import trio
+from trio import TaskStatus
 from tractor import (
+    ActorNursery,
     current_actor,
     ContextCancelled,
     Context,
@@ -39,6 +52,130 @@ from ._util import (
 )
 
 
+# TODO: implement a singleton deco-API for wrapping the below
+# factory's impl for general actor-singleton use?
+#
+# @singleton
+# async def open_service_mngr(
+#     **init_kwargs,
+# ) -> ServiceMngr:
+#     '''
+#     Note this function body is invoke IFF no existing singleton instance already
+#     exists in this proc's memory.
+
+#     '''
+#     # setup
+#     yield ServiceMngr(**init_kwargs)
+#     # teardown
+
+
+
+# TODO: singleton factory API instead of a class API
+@acm
+async def open_service_mngr(
+    *,
+    debug_mode: bool = False,
+
+    # impl deat which ensures a single global instance
+    _singleton: list[ServiceMngr|None] = [None],
+    **init_kwargs,
+
+) -> ServiceMngr:
+    '''
+    Open a multi-subactor-as-service-daemon tree supervisor.
+
+    The delivered `ServiceMngr` is a singleton instance for each
+    actor-process and is allocated on first open and never
+    de-allocated unless explicitly deleted by al call to
+    `del_service_mngr()`.
+
+    '''
+    # TODO: factor this an allocation into
+    # a `._mngr.open_service_mngr()` and put in the
+    # once-n-only-once setup/`.__aenter__()` part!
+    # -[ ] how to make this only happen on the `mngr == None` case?
+    #  |_ use `.trionics.maybe_open_context()` (for generic
+    #     async-with-style-only-once of the factory impl, though
+    #     what do we do for the allocation case?
+    #    / `.maybe_open_nursery()` (since for this specific case
+    #    it's simpler?) to activate
+    async with (
+        tractor.open_nursery() as an,
+        trio.open_nursery() as tn,
+    ):
+        # impl specific obvi..
+        init_kwargs.update({
+            'actor_n': an,
+            'service_n': tn,
+        })
+
+        mngr: ServiceMngr|None
+        if (mngr := _singleton[0]) is None:
+
+            log.info('Allocating a new service mngr!')
+            mngr = _singleton[0] = ServiceMngr(**init_kwargs)
+
+            # TODO: put into `.__aenter__()` section of
+            # eventual `@singleton_acm` API wrapper.
+            #
+            # assign globally for future daemon/task creation
+            mngr.actor_n = an
+            mngr.service_n = tn
+
+        else:
+            assert (
+                mngr.actor_n
+                and
+                mngr.service_tn
+            )
+            log.info(
+                'Using extant service mngr!\n\n'
+                f'{mngr!r}\n'  # it has a nice `.__repr__()` of services state
+            )
+
+        try:
+            # NOTE: this is a singleton factory impl specific detail
+            # which should be supported in the condensed
+            # `@singleton_acm` API?
+            mngr.debug_mode = debug_mode
+
+            yield mngr
+        finally:
+            # TODO: is this more clever/efficient?
+            # if 'samplerd' in mngr.service_tasks:
+            #     await mngr.cancel_service('samplerd')
+            tn.cancel_scope.cancel()
+
+
+
+def get_service_mngr() -> ServiceMngr:
+    '''
+    Try to get the singleton service-mngr for this actor presuming it
+    has already been allocated using,
+
+    .. code:: python
+
+        async with open_<@singleton_acm(func)>() as mngr`
+            ... this block kept open ...
+
+    If not yet allocated raise a `ServiceError`.
+
+    '''
+    # https://stackoverflow.com/a/12627202
+    # https://docs.python.org/3/library/inspect.html#inspect.Signature
+    maybe_mngr: ServiceMngr|None = inspect.signature(
+        open_service_mngr
+    ).parameters['_singleton'].default[0]
+
+    if maybe_mngr is None:
+        raise RuntimeError(
+            'Someone must allocate a `ServiceMngr` using\n\n'
+            '`async with open_service_mngr()` beforehand!!\n'
+        )
+
+    return maybe_mngr
+
+
 # TODO: we need remote wrapping and a general soln:
 # - factor this into a ``tractor.highlevel`` extension # pack for the
 #   library.
@@ -46,31 +183,46 @@ from ._util import (
 #   to the pikerd actor for starting services remotely!
 # - prolly rename this to ActorServicesNursery since it spawns
 #   new actors and supervises them to completion?
-class Services:
+@dataclass
+class ServiceMngr:
+# class ServiceMngr(msgspec.Struct):
+    '''
+    A multi-subactor-as-service manager.
 
-    actor_n: tractor._supervise.ActorNursery
+    Spawn, supervise and monitor service/daemon subactors in a SC
+    process tree.
+
+    '''
+    actor_n: ActorNursery
     service_n: trio.Nursery
-    debug_mode: bool  # tractor sub-actor debug mode flag
+    debug_mode: bool = False # tractor sub-actor debug mode flag
+
     service_tasks: dict[
         str,
         tuple[
             trio.CancelScope,
+            Context,
             Portal,
             trio.Event,
         ]
-    ] = {}
-    locks = defaultdict(trio.Lock)
+    ] = field(default_factory=dict)
+
+    # internal per-service task mutexs
+    _locks = defaultdict(trio.Lock)
 
-    @classmethod
     async def start_service_task(
         self,
         name: str,
         portal: Portal,
+
+        # TODO: typevar for the return type of the target and then
+        # use it below for `ctx_res`?
         target: Callable,
+
         allow_overruns: bool = False,
         **ctx_kwargs,
 
-    ) -> (trio.CancelScope, Context):
+    ) -> (trio.CancelScope, Context, Any):
         '''
         Open a context in a service sub-actor, add to a stack
         that gets unwound at ``pikerd`` teardown.
@@ -83,6 +235,7 @@ class Services:
             task_status: TaskStatus[
                 tuple[
                     trio.CancelScope,
+                    Context,
                     trio.Event,
                     Any,
                 ]
@@ -90,64 +243,87 @@ class Services:
 
         ) -> Any:
 
+            # TODO: use the ctx._scope directly here instead?
+            # -[ ] actually what semantics do we expect for this
+            #   usage!?
             with trio.CancelScope() as cs:
+                try:
+                    async with portal.open_context(
+                        target,
+                        allow_overruns=allow_overruns,
+                        **ctx_kwargs,
 
-                async with portal.open_context(
-                    target,
-                    allow_overruns=allow_overruns,
-                    **ctx_kwargs,
+                    ) as (ctx, started):
 
-                ) as (ctx, first):
-
-                    # unblock once the remote context has started
-                    complete = trio.Event()
-                    task_status.started((cs, complete, first))
-                    log.info(
-                        f'`pikerd` service {name} started with value {first}'
-                    )
-                    try:
+                        # unblock once the remote context has started
+                        complete = trio.Event()
+                        task_status.started((
+                            cs,
+                            ctx,
+                            complete,
+                            started,
+                        ))
+                        log.info(
+                            f'`pikerd` service {name} started with value {started}'
+                        )
                         # wait on any context's return value
                         # and any final portal result from the
                         # sub-actor.
-                        ctx_res: Any = await ctx.result()
+                        ctx_res: Any = await ctx.wait_for_result()
 
                         # NOTE: blocks indefinitely until cancelled
                         # either by error from the target context
                         # function or by being cancelled here by the
                         # surrounding cancel scope.
-                        return (await portal.result(), ctx_res)
-                    except ContextCancelled as ctxe:
-                        canceller: tuple[str, str] = ctxe.canceller
-                        our_uid: tuple[str, str] = current_actor().uid
-                        if (
-                            canceller != portal.channel.uid
-                            and
-                            canceller != our_uid
-                        ):
-                            log.cancel(
-                                f'Actor-service {name} was remotely cancelled?\n'
-                                f'remote canceller: {canceller}\n'
-                                f'Keeping {our_uid} alive, ignoring sub-actor cancel..\n'
-                            )
-                        else:
-                            raise
+                        return (
+                            await portal.wait_for_result(),
+                            ctx_res,
+                        )
 
+                except ContextCancelled as ctxe:
+                    canceller: tuple[str, str] = ctxe.canceller
+                    our_uid: tuple[str, str] = current_actor().uid
+                    if (
+                        canceller != portal.chan.uid
+                        and
+                        canceller != our_uid
+                    ):
+                        log.cancel(
+                            f'Actor-service `{name}` was remotely cancelled by a peer?\n'
 
+                            # TODO: this would be a good spot to use
+                            # a respawn feature Bo
+                            f'-> Keeping `pikerd` service manager alive despite this inter-peer cancel\n\n'
 
-                    finally:
-                        await portal.cancel_actor()
-                        complete.set()
-                        self.service_tasks.pop(name)
+                            f'cancellee: {portal.chan.uid}\n'
+                            f'canceller: {canceller}\n'
+                        )
+                    else:
+                        raise
 
-        cs, complete, first = await self.service_n.start(open_context_in_task)
+                finally:
+                    # NOTE: the ctx MUST be cancelled first if we
+                    # don't want the above `ctx.wait_for_result()` to
+                    # raise a self-ctxc. WHY, well since from the ctx's
+                    # perspective the cancel request will have
+                    # arrived out-out-of-band at the `Actor.cancel()`
+                    # level, thus `Context.cancel_called == False`,
+                    # meaning `ctx._is_self_cancelled() == False`.
+                    # with trio.CancelScope(shield=True):
+                    # await ctx.cancel()
+                    await portal.cancel_actor()
+                    complete.set()
+                    self.service_tasks.pop(name)
+
+        cs, sub_ctx, complete, started = await self.service_n.start(
+            open_context_in_task
+        )
 
         # store the cancel scope and portal for later cancellation or
         # retstart if needed.
-        self.service_tasks[name] = (cs, portal, complete)
+        self.service_tasks[name] = (cs, sub_ctx, portal, complete)
+        return cs, sub_ctx, started
 
-        return cs, first
-
-    @classmethod
     async def cancel_service(
         self,
         name: str,
@@ -158,8 +334,80 @@ class Services:
 
         '''
         log.info(f'Cancelling `pikerd` service {name}')
-        cs, portal, complete = self.service_tasks[name]
-        cs.cancel()
+        cs, sub_ctx, portal, complete = self.service_tasks[name]
+
+        # cs.cancel()
+        await sub_ctx.cancel()
         await complete.wait()
-        assert name not in self.service_tasks, \
-            f'Serice task for {name} not terminated?'
+
+        if name in self.service_tasks:
+            # TODO: custom err?
+            # raise ServiceError(
+            raise RuntimeError(
+                f'Serice task for {name} not terminated?'
+            )
+
+        # assert name not in self.service_tasks, \
+        #     f'Serice task for {name} not terminated?'
+
+    async def start_service(
+        self,
+        daemon_name: str,
+        ctx_ep: Callable,  # kwargs must `partial`-ed in!
+
+        debug_mode: bool = False,
+        **tractor_actor_kwargs,
+
+    ) -> Context:
+        '''
+        Start a "service" task in a new sub-actor (daemon) and manage it's lifetime
+        indefinitely.
+
+        Services can be cancelled/shutdown using `.cancel_service()`.
+
+        '''
+        entry: tuple|None = self.service_tasks.get(daemon_name)
+        if entry:
+            (cs, sub_ctx, portal, complete) = entry
+            return sub_ctx
+
+        if daemon_name not in self.service_tasks:
+            portal = await self.actor_n.start_actor(
+                daemon_name,
+                debug_mode=(  # maybe set globally during allocate
+                    debug_mode
+                    or
+                    self.debug_mode
+                ),
+                **tractor_actor_kwargs,
+            )
+            ctx_kwargs: dict[str, Any] = {}
+            if isinstance(ctx_ep, functools.partial):
+                ctx_kwargs: dict[str, Any] = ctx_ep.keywords
+                ctx_ep: Callable = ctx_ep.func
+
+            (cs, sub_ctx, started) = await self.start_service_task(
+                daemon_name,
+                portal,
+                ctx_ep,
+                **ctx_kwargs,
+            )
+
+            return sub_ctx
+
+
+# TODO:
+# -[ ] factor all the common shit from `.data._sampling`
+#   and `.brokers._daemon` into here / `ServiceMngr`
+#   in terms of allocating the `Portal` as part of the
+#   "service-in-subactor" starting!
+# -[ ] move to `tractor.hilevel._service`, import and use here!
+# NOTE: purposely leaks the ref to the mod-scope Bo
+# import tractor
+# from tractor.hilevel import (
+#     open_service_mngr,
+#     ServiceMngr,
+# )
+# mngr: ServiceMngr|None = None
+# with tractor.hilevel.open_service_mngr() as mngr:
+#     Services = proxy(mngr)

piker/service/elastic.py

@@ -21,11 +21,13 @@ from typing import (
     TYPE_CHECKING,
 )
 
+# TODO: oof, needs to be changed to `httpx`!
 import asks
 
 if TYPE_CHECKING:
     import docker
     from ._ahab import DockerContainer
+    from . import ServiceMngr
 
 from ._util import log  # sub-sys logger
 from ._util import (
@@ -127,7 +129,7 @@ def start_elasticsearch(
 
 @acm
 async def start_ahab_daemon(
-    service_mngr: Services,
+    service_mngr: ServiceMngr,
     user_config: dict | None = None,
     loglevel: str | None = None,
 

piker/service/marketstore.py

@@ -53,7 +53,7 @@ import pendulum
 # import purerpc
 
 from ..data.feed import maybe_open_feed
-from . import Services
+from . import ServiceMngr
 from ._util import (
     log,  # sub-sys logger
     get_console_log,
@@ -233,7 +233,7 @@ def start_marketstore(
 
 @acm
 async def start_ahab_daemon(
-    service_mngr: Services,
+    service_mngr: ServiceMngr,
     user_config: dict | None = None,
     loglevel: str | None = None,
 

piker/storage/cli.py

@@ -386,8 +386,6 @@ def ldshm(
             open_annot_ctl() as actl,
         ):
             shm_df: pl.DataFrame | None = None
-            tf2aids: dict[float, dict] = {}
-
             for (
                 shmfile,
                 shm,
@@ -528,17 +526,16 @@ def ldshm(
                             new_df,
                             step_gaps,
                         )
+
                         # last chance manual overwrites in REPL
-                        # await tractor.pause()
+                        await tractor.pause()
                         assert aids
-                        tf2aids[period_s] = aids
 
                 else:
                     # allow interaction even when no ts problems.
-                    assert not diff
+                    await tractor.pause()
+                    # assert not diff
 
-            await tractor.pause()
-            log.info('Exiting TSP shm anal-izer!')
 
             if shm_df is None:
                 log.error(

piker/storage/nativedb.py

@@ -162,12 +162,11 @@ class NativeStorageClient:
     def index_files(self):
         for path in self._datadir.iterdir():
             if (
-                path.is_dir()
+                path.name in {'borked', 'expired',}
                 or
                 '.parquet' not in str(path)
-                # or
-                # path.name in {'borked', 'expired',}
             ):
+                # ignore all non-apache files (for now)
                 continue
 
             key: str = path.name.rstrip('.parquet')

piker/tsp/__init__.py

@@ -620,19 +620,16 @@ async def start_backfill(
                     f'{next_start_dt} -> {last_start_dt}'
                 )
 
-                # NOTE, always drop the src asset token for
+                # always drop the src asset token for
                 # non-currency-pair like market types (for now)
-                #
-                # THAT IS, for now our table key schema is NOT
-                # including the dst[/src] source asset token. SO,
-                # 'tsla.nasdaq.ib' over 'tsla/usd.nasdaq.ib' for
-                # historical reasons ONLY.
                 if mkt.dst.atype not in {
                     'crypto',
                     'crypto_currency',
                     'fiat',  # a "forex pair"
                     'perpetual_future',  # stupid "perps" from cex land
                 }:
+                    # for now, our table key schema is not including
+                    # the dst[/src] source asset token.
                     col_sym_key: str = mkt.get_fqme(
                         delim_char='',
                         without_src=True,

piker/tsp/_anal.py

@@ -616,18 +616,6 @@ def detect_price_gaps(
     # ])
     ...
 
-# TODO: probably just use the null_segs impl above?
-def detect_vlm_gaps(
-    df: pl.DataFrame,
-    col: str = 'volume',
-
-) -> pl.DataFrame:
-
-    vnull: pl.DataFrame = w_dts.filter(
-        pl.col(col) == 0
-    )
-    return vnull
-
 
 def dedupe(
     src_df: pl.DataFrame,
@@ -638,6 +626,7 @@ def dedupe(
 
 ) -> tuple[
     pl.DataFrame,  # with dts
+    pl.DataFrame,  # gaps
     pl.DataFrame,  # with deduplicated dts (aka gap/repeat removal)
     int,  # len diff between input and deduped
 ]:
@@ -650,22 +639,19 @@ def dedupe(
     '''
     wdts: pl.DataFrame = with_dts(src_df)
 
-    deduped = wdts
-
-    # remove duplicated datetime samples/sections
-    deduped: pl.DataFrame = wdts.unique(
-        # subset=['dt'],
-        subset=['time'],
-        maintain_order=True,
-    )
-
     # maybe sort on any time field
     if sort:
-        deduped = deduped.sort(by='time')
+        wdts = wdts.sort(by='time')
         # TODO: detect out-of-order segments which were corrected!
         # -[ ] report in log msg
         # -[ ] possibly return segment sections which were moved?
 
+    # remove duplicated datetime samples/sections
+    deduped: pl.DataFrame = wdts.unique(
+        subset=['dt'],
+        maintain_order=True,
+    )
+
     diff: int = (
         wdts.height
         -

poetry.lock

@@ -2,13 +2,13 @@
 
 [[package]]
 name = "anyio"
-version = "3.7.1"
+version = "4.6.2.post1"
 description = "High level compatibility layer for multiple asynchronous event loop implementations"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.9"
 files = [
-    {file = "anyio-3.7.1-py3-none-any.whl", hash = "sha256:91dee416e570e92c64041bd18b900d1d6fa78dff7048769ce5ac5ddad004fbb5"},
-    {file = "anyio-3.7.1.tar.gz", hash = "sha256:44a3c9aba0f5defa43261a8b3efb97891f2bd7d804e0e1f56419befa1adfc780"},
+    {file = "anyio-4.6.2.post1-py3-none-any.whl", hash = "sha256:6d170c36fba3bdd840c73d3868c1e777e33676a69c3a72cf0a0d5d6d8009b61d"},
+    {file = "anyio-4.6.2.post1.tar.gz", hash = "sha256:4c8bc31ccdb51c7f7bd251f51c609e038d63e34219b44aa86e47576389880b4c"},
 ]
 
 [package.dependencies]
@@ -50,7 +50,7 @@ files = [
 [[package]]
 name = "asyncvnc"
 version = "1.1.0"
-description = ""
+description = "Asynchronous VNC for Python"
 optional = false
 python-versions = ">= 3.7"
 files = []
@@ -69,21 +69,22 @@ resolved_reference = "825447564e3af6b0d4a0996793f1ca7fb360c48f"
 
 [[package]]
 name = "attrs"
-version = "23.1.0"
+version = "23.2.0"
 description = "Classes Without Boilerplate"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "attrs-23.1.0-py3-none-any.whl", hash = "sha256:1f28b4522cdc2fb4256ac1a020c78acf9cba2c6b461ccd2c126f3aa8e8335d04"},
-    {file = "attrs-23.1.0.tar.gz", hash = "sha256:6279836d581513a26f1bf235f9acd333bc9115683f14f7e8fae46c98fc50e015"},
+    {file = "attrs-23.2.0-py3-none-any.whl", hash = "sha256:99b87a485a5820b23b879f04c2305b44b951b502fd64be915879d77a7e8fc6f1"},
+    {file = "attrs-23.2.0.tar.gz", hash = "sha256:935dc3b529c262f6cf76e50877d35a4bd3c1de194fd41f47a2b7ae8f19971f30"},
 ]
 
 [package.extras]
 cov = ["attrs[tests]", "coverage[toml] (>=5.3)"]
-dev = ["attrs[docs,tests]", "pre-commit"]
+dev = ["attrs[tests]", "pre-commit"]
 docs = ["furo", "myst-parser", "sphinx", "sphinx-notfound-page", "sphinxcontrib-towncrier", "towncrier", "zope-interface"]
 tests = ["attrs[tests-no-zope]", "zope-interface"]
-tests-no-zope = ["cloudpickle", "hypothesis", "mypy (>=1.1.1)", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins", "pytest-xdist[psutil]"]
+tests-mypy = ["mypy (>=1.6)", "pytest-mypy-plugins"]
+tests-no-zope = ["attrs[tests-mypy]", "cloudpickle", "hypothesis", "pympler", "pytest (>=4.3.0)", "pytest-xdist[psutil]"]
 
 [[package]]
 name = "bidict"
@@ -103,75 +104,78 @@ test = ["hypothesis", "pytest", "pytest-benchmark[histogram]", "pytest-cov", "py
 
 [[package]]
 name = "cffi"
-version = "1.15.1"
+version = "1.17.1"
 description = "Foreign Function Interface for Python calling C code."
 optional = false
-python-versions = "*"
+python-versions = ">=3.8"
 files = [
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 ]
 
 [package.dependencies]
@@ -221,47 +225,51 @@ development = ["black", "flake8", "mypy", "pytest", "types-colorama"]
 
 [[package]]
 name = "cryptography"
-version = "41.0.3"
+version = "43.0.3"
 description = "cryptography is a package which provides cryptographic recipes and primitives to Python developers."
 optional = false
 python-versions = ">=3.7"
 files = [
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+    {file = "cryptography-43.0.3.tar.gz", hash = "sha256:315b9001266a492a6ff443b61238f956b214dbec9910a081ba5b6646a055a805"},
 ]
 
 [package.dependencies]
-cffi = ">=1.12"
+cffi = {version = ">=1.12", markers = "platform_python_implementation != \"PyPy\""}
 
 [package.extras]
 docs = ["sphinx (>=5.3.0)", "sphinx-rtd-theme (>=1.1.1)"]
-docstest = ["pyenchant (>=1.6.11)", "sphinxcontrib-spelling (>=4.0.1)", "twine (>=1.12.0)"]
+docstest = ["pyenchant (>=1.6.11)", "readme-renderer", "sphinxcontrib-spelling (>=4.0.1)"]
 nox = ["nox"]
-pep8test = ["black", "check-sdist", "mypy", "ruff"]
+pep8test = ["check-sdist", "click", "mypy", "ruff"]
 sdist = ["build"]
 ssh = ["bcrypt (>=3.1.5)"]
-test = ["pretend", "pytest (>=6.2.0)", "pytest-benchmark", "pytest-cov", "pytest-xdist"]
+test = ["certifi", "cryptography-vectors (==43.0.3)", "pretend", "pytest (>=6.2.0)", "pytest-benchmark", "pytest-cov", "pytest-xdist"]
 test-randomorder = ["pytest-randomly"]
 
 [[package]]
@@ -333,13 +341,13 @@ files = [
 
 [[package]]
 name = "eventkit"
-version = "1.0.1"
+version = "1.0.3"
 description = "Event-driven data pipelines"
 optional = false
 python-versions = "*"
 files = [
-    {file = "eventkit-1.0.1-py3-none-any.whl", hash = "sha256:6060a6aa04d5c5d20f2e55b7c17e2a22e8d31f88f2c2791d60eab3301aa040da"},
-    {file = "eventkit-1.0.1.tar.gz", hash = "sha256:56b99a6205f61cd995aa5e0036e37bd61f052f7d32560e60b6fe45e319a7ef3a"},
+    {file = "eventkit-1.0.3-py3-none-any.whl", hash = "sha256:0e199527a89aff9d195b9671ad45d2cc9f79ecda0900de8ecfb4c864d67ad6a2"},
+    {file = "eventkit-1.0.3.tar.gz", hash = "sha256:99497f6f3c638a50ff7616f2f8cd887b18bbff3765dc1bd8681554db1467c933"},
 ]
 
 [package.dependencies]
@@ -347,13 +355,13 @@ numpy = "*"
 
 [[package]]
 name = "exceptiongroup"
-version = "1.1.3"
+version = "1.2.2"
 description = "Backport of PEP 654 (exception groups)"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "exceptiongroup-1.1.3-py3-none-any.whl", hash = "sha256:343280667a4585d195ca1cf9cef84a4e178c4b6cf2274caef9859782b567d5e3"},
-    {file = "exceptiongroup-1.1.3.tar.gz", hash = "sha256:097acd85d473d75af5bb98e41b61ff7fe35efe6675e4f9370ec6ec5126d160e9"},
+    {file = "exceptiongroup-1.2.2-py3-none-any.whl", hash = "sha256:3111b9d131c238bec2f8f516e123e14ba243563fb135d3fe885990585aa7795b"},
+    {file = "exceptiongroup-1.2.2.tar.gz", hash = "sha256:47c2edf7c6738fafb49fd34290706d1a1a2f4d1c6df275526b62cbb4aa5393cc"},
 ]
 
 [package.extras]
@@ -480,31 +488,37 @@ nest-asyncio = "*"
 
 [[package]]
 name = "idna"
-version = "3.4"
+version = "3.10"
 description = "Internationalized Domain Names in Applications (IDNA)"
 optional = false
-python-versions = ">=3.5"
+python-versions = ">=3.6"
 files = [
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-    {file = "idna-3.4.tar.gz", hash = "sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4"},
+    {file = "idna-3.10-py3-none-any.whl", hash = "sha256:946d195a0d259cbba61165e88e65941f16e9b36ea6ddb97f00452bae8b1287d3"},
+    {file = "idna-3.10.tar.gz", hash = "sha256:12f65c9b470abda6dc35cf8e63cc574b1c52b11df2c86030af0ac09b01b13ea9"},
 ]
 
+[package.extras]
+all = ["flake8 (>=7.1.1)", "mypy (>=1.11.2)", "pytest (>=8.3.2)", "ruff (>=0.6.2)"]
+
 [[package]]
 name = "importlib-metadata"
-version = "6.8.0"
+version = "8.5.0"
 description = "Read metadata from Python packages"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "importlib_metadata-6.8.0-py3-none-any.whl", hash = "sha256:3ebb78df84a805d7698245025b975d9d67053cd94c79245ba4b3eb694abe68bb"},
-    {file = "importlib_metadata-6.8.0.tar.gz", hash = "sha256:dbace7892d8c0c4ac1ad096662232f831d4e64f4c4545bd53016a3e9d4654743"},
+    {file = "importlib_metadata-8.5.0-py3-none-any.whl", hash = "sha256:45e54197d28b7a7f1559e60b95e7c567032b602131fbd588f1497f47880aa68b"},
+    {file = "importlib_metadata-8.5.0.tar.gz", hash = "sha256:71522656f0abace1d072b9e5481a48f07c138e00f079c38c8f883823f9c26bd7"},
 ]
 
 [package.dependencies]
-zipp = ">=0.5"
+zipp = ">=3.20"
 
 [package.extras]
-docs = ["furo", "jaraco.packaging (>=9)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-lint"]
+check = ["pytest-checkdocs (>=2.4)", "pytest-ruff (>=0.2.1)"]
+cover = ["pytest-cov"]
+doc = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-lint"]
+enabler = ["pytest-enabler (>=2.2)"]
 perf = ["ipython"]
 testing = ["flufl.flake8", "importlib-resources (>=1.3)", "packaging", "pyfakefs", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-mypy (>=0.9.1)", "pytest-perf (>=0.9.2)", "pytest-ruff"]
 
@@ -644,13 +658,13 @@ files = [
 
 [[package]]
 name = "nest-asyncio"
-version = "1.5.7"
+version = "1.6.0"
 description = "Patch asyncio to allow nested event loops"
 optional = false
 python-versions = ">=3.5"
 files = [
-    {file = "nest_asyncio-1.5.7-py3-none-any.whl", hash = "sha256:5301c82941b550b3123a1ea772ba9a1c80bad3a182be8c1a5ae6ad3be57a9657"},
-    {file = "nest_asyncio-1.5.7.tar.gz", hash = "sha256:6a80f7b98f24d9083ed24608977c09dd608d83f91cccc24c9d2cba6d10e01c10"},
+    {file = "nest_asyncio-1.6.0-py3-none-any.whl", hash = "sha256:87af6efd6b5e897c81050477ef65c62e2b2f35d51703cae01aff2905b1852e1c"},
+    {file = "nest_asyncio-1.6.0.tar.gz", hash = "sha256:6f172d5449aca15afd6c646851f4e31e02c598d553a667e38cafa997cfec55fe"},
 ]
 
 [[package]]
@@ -729,13 +743,13 @@ files = [
 
 [[package]]
 name = "outcome"
-version = "1.2.0"
+version = "1.3.0.post0"
 description = "Capture the outcome of Python function calls."
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "outcome-1.2.0-py2.py3-none-any.whl", hash = "sha256:c4ab89a56575d6d38a05aa16daeaa333109c1f96167aba8901ab18b6b5e0f7f5"},
-    {file = "outcome-1.2.0.tar.gz", hash = "sha256:6f82bd3de45da303cf1f771ecafa1633750a358436a8bb60e06a1ceb745d2672"},
+    {file = "outcome-1.3.0.post0-py2.py3-none-any.whl", hash = "sha256:e771c5ce06d1415e356078d3bdd68523f284b4ce5419828922b6871e65eda82b"},
+    {file = "outcome-1.3.0.post0.tar.gz", hash = "sha256:9dcf02e65f2971b80047b377468e72a268e15c0af3cf1238e6ff14f7f91143b8"},
 ]
 
 [package.dependencies]
@@ -743,13 +757,13 @@ attrs = ">=19.2.0"
 
 [[package]]
 name = "packaging"
-version = "23.1"
+version = "24.2"
 description = "Core utilities for Python packages"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "packaging-23.1-py3-none-any.whl", hash = "sha256:994793af429502c4ea2ebf6bf664629d07c1a9fe974af92966e4b8d2df7edc61"},
-    {file = "packaging-23.1.tar.gz", hash = "sha256:a392980d2b6cffa644431898be54b0045151319d1e7ec34f0cfed48767dd334f"},
+    {file = "packaging-24.2-py3-none-any.whl", hash = "sha256:09abb1bccd265c01f4a3aa3f7a7db064b36514d2cba19a2f694fe6150451a759"},
+    {file = "packaging-24.2.tar.gz", hash = "sha256:c228a6dc5e932d346bc5739379109d49e8853dd8223571c7c5b55260edc0b97f"},
 ]
 
 [[package]]
@@ -836,24 +850,24 @@ xlsxwriter = ["xlsxwriter"]
 
 [[package]]
 name = "pycparser"
-version = "2.21"
+version = "2.22"
 description = "C parser in Python"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=3.8"
 files = [
-    {file = "pycparser-2.21-py2.py3-none-any.whl", hash = "sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9"},
-    {file = "pycparser-2.21.tar.gz", hash = "sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206"},
+    {file = "pycparser-2.22-py3-none-any.whl", hash = "sha256:c3702b6d3dd8c7abc1afa565d7e63d53a1d0bd86cdc24edd75470f4de499cfcc"},
+    {file = "pycparser-2.22.tar.gz", hash = "sha256:491c8be9c040f5390f5bf44a5b07752bd07f56edf992381b05c701439eec10f6"},
 ]
 
 [[package]]
 name = "pygments"
-version = "2.16.1"
+version = "2.18.0"
 description = "Pygments is a syntax highlighting package written in Python."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "Pygments-2.16.1-py3-none-any.whl", hash = "sha256:13fc09fa63bc8d8671a6d247e1eb303c4b343eaee81d861f3404db2935653692"},
-    {file = "Pygments-2.16.1.tar.gz", hash = "sha256:1daff0494820c69bc8941e407aa20f577374ee88364ee10a98fdbe0aece96e29"},
+    {file = "pygments-2.18.0-py3-none-any.whl", hash = "sha256:b8e6aca0523f3ab76fee51799c488e38782ac06eafcf95e7ba832985c8e7b13a"},
+    {file = "pygments-2.18.0.tar.gz", hash = "sha256:786ff802f32e91311bff3889f6e9a86e81505fe99f2735bb6d60ae0c5004f199"},
 ]
 
 [package.extras]
@@ -861,24 +875,24 @@ plugins = ["importlib-metadata"]
 
 [[package]]
 name = "pyreadline3"
-version = "3.4.1"
+version = "3.5.4"
 description = "A python implementation of GNU readline."
 optional = false
-python-versions = "*"
+python-versions = ">=3.8"
 files = [
-    {file = "pyreadline3-3.4.1-py3-none-any.whl", hash = "sha256:b0efb6516fd4fb07b45949053826a62fa4cb353db5be2bbb4a7aa1fdd1e345fb"},
-    {file = "pyreadline3-3.4.1.tar.gz", hash = "sha256:6f3d1f7b8a31ba32b73917cefc1f28cc660562f39aea8646d30bd6eff21f7bae"},
+    {file = "pyreadline3-3.5.4-py3-none-any.whl", hash = "sha256:eaf8e6cc3c49bcccf145fc6067ba8643d1df34d604a1ec0eccbf7a18e6d3fae6"},
+    {file = "pyreadline3-3.5.4.tar.gz", hash = "sha256:8d57d53039a1c75adba8e50dd3d992b28143480816187ea5efbd5c78e6c885b7"},
 ]
 
 [[package]]
 name = "python-dateutil"
-version = "2.8.2"
+version = "2.9.0.post0"
 description = "Extensions to the standard Python datetime module"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
 files = [
-    {file = "python-dateutil-2.8.2.tar.gz", hash = "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86"},
-    {file = "python_dateutil-2.8.2-py2.py3-none-any.whl", hash = "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"},
+    {file = "python-dateutil-2.9.0.post0.tar.gz", hash = "sha256:37dd54208da7e1cd875388217d5e00ebd4179249f90fb72437e91a35459a0ad3"},
+    {file = "python_dateutil-2.9.0.post0-py2.py3-none-any.whl", hash = "sha256:a8b2bc7bffae282281c8140a97d3aa9c14da0b136dfe83f850eea9a5f7470427"},
 ]
 
 [package.dependencies]
@@ -897,13 +911,13 @@ files = [
 
 [[package]]
 name = "rich"
-version = "13.5.2"
+version = "13.9.4"
 description = "Render rich text, tables, progress bars, syntax highlighting, markdown and more to the terminal"
 optional = false
-python-versions = ">=3.7.0"
+python-versions = ">=3.8.0"
 files = [
-    {file = "rich-13.5.2-py3-none-any.whl", hash = "sha256:146a90b3b6b47cac4a73c12866a499e9817426423f57c5a66949c086191a8808"},
-    {file = "rich-13.5.2.tar.gz", hash = "sha256:fb9d6c0a0f643c99eed3875b5377a184132ba9be4d61516a55273d3554d75a39"},
+    {file = "rich-13.9.4-py3-none-any.whl", hash = "sha256:6049d5e6ec054bf2779ab3358186963bac2ea89175919d699e378b99738c2a90"},
+    {file = "rich-13.9.4.tar.gz", hash = "sha256:439594978a49a09530cff7ebc4b5c7103ef57baf48d5ea3184f21d9a2befa098"},
 ]
 
 [package.dependencies]
@@ -926,13 +940,13 @@ files = [
 
 [[package]]
 name = "sniffio"
-version = "1.3.0"
+version = "1.3.1"
 description = "Sniff out which async library your code is running under"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "sniffio-1.3.0-py3-none-any.whl", hash = "sha256:eecefdce1e5bbfb7ad2eeaabf7c1eeb404d7757c379bd1f7e5cce9d8bf425384"},
-    {file = "sniffio-1.3.0.tar.gz", hash = "sha256:e60305c5e5d314f5389259b7f22aaa33d8f7dee49763119234af3755c55b9101"},
+    {file = "sniffio-1.3.1-py3-none-any.whl", hash = "sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2"},
+    {file = "sniffio-1.3.1.tar.gz", hash = "sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc"},
 ]
 
 [[package]]
@@ -962,24 +976,24 @@ pyreadline3 = {version = "*", markers = "platform_system == \"Windows\""}
 
 [[package]]
 name = "tomli"
-version = "2.0.1"
+version = "2.1.0"
 description = "A lil' TOML parser"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
-    {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
+    {file = "tomli-2.1.0-py3-none-any.whl", hash = "sha256:a5c57c3d1c56f5ccdf89f6523458f60ef716e210fc47c4cfb188c5ba473e0391"},
+    {file = "tomli-2.1.0.tar.gz", hash = "sha256:3f646cae2aec94e17d04973e4249548320197cfabdf130015d023de4b74d8ab8"},
 ]
 
 [[package]]
 name = "tomli-w"
-version = "1.0.0"
+version = "1.1.0"
 description = "A lil' TOML writer"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.9"
 files = [
-    {file = "tomli_w-1.0.0-py3-none-any.whl", hash = "sha256:9f2a07e8be30a0729e533ec968016807069991ae2fd921a78d42f429ae5f4463"},
-    {file = "tomli_w-1.0.0.tar.gz", hash = "sha256:f463434305e0336248cac9c2dc8076b707d8a12d019dd349f5c1e382dd1ae1b9"},
+    {file = "tomli_w-1.1.0-py3-none-any.whl", hash = "sha256:1403179c78193e3184bfaade390ddbd071cba48a32a2e62ba11aae47490c63f7"},
+    {file = "tomli_w-1.1.0.tar.gz", hash = "sha256:49e847a3a304d516a169a601184932ef0f6b61623fe680f836a2aa7128ed0d33"},
 ]
 
 [[package]]
@@ -1114,13 +1128,13 @@ wsproto = ">=0.14"
 
 [[package]]
 name = "typer"
-version = "0.9.0"
+version = "0.9.4"
 description = "Typer, build great CLIs. Easy to code. Based on Python type hints."
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "typer-0.9.0-py3-none-any.whl", hash = "sha256:5d96d986a21493606a358cae4461bd8cdf83cbf33a5aa950ae629ca3b51467ee"},
-    {file = "typer-0.9.0.tar.gz", hash = "sha256:50922fd79aea2f4751a8e0408ff10d2662bd0c8bbfa84755a699f3bada2978b2"},
+    {file = "typer-0.9.4-py3-none-any.whl", hash = "sha256:aa6c4a4e2329d868b80ecbaf16f807f2b54e192209d7ac9dd42691d63f7a54eb"},
+    {file = "typer-0.9.4.tar.gz", hash = "sha256:f714c2d90afae3a7929fcd72a3abb08df305e1ff61719381384211c4070af57f"},
 ]
 
 [package.dependencies]
@@ -1131,17 +1145,17 @@ typing-extensions = ">=3.7.4.3"
 all = ["colorama (>=0.4.3,<0.5.0)", "rich (>=10.11.0,<14.0.0)", "shellingham (>=1.3.0,<2.0.0)"]
 dev = ["autoflake (>=1.3.1,<2.0.0)", "flake8 (>=3.8.3,<4.0.0)", "pre-commit (>=2.17.0,<3.0.0)"]
 doc = ["cairosvg (>=2.5.2,<3.0.0)", "mdx-include (>=1.4.1,<2.0.0)", "mkdocs (>=1.1.2,<2.0.0)", "mkdocs-material (>=8.1.4,<9.0.0)", "pillow (>=9.3.0,<10.0.0)"]
-test = ["black (>=22.3.0,<23.0.0)", "coverage (>=6.2,<7.0)", "isort (>=5.0.6,<6.0.0)", "mypy (==0.910)", "pytest (>=4.4.0,<8.0.0)", "pytest-cov (>=2.10.0,<5.0.0)", "pytest-sugar (>=0.9.4,<0.10.0)", "pytest-xdist (>=1.32.0,<4.0.0)", "rich (>=10.11.0,<14.0.0)", "shellingham (>=1.3.0,<2.0.0)"]
+test = ["black (>=22.3.0,<23.0.0)", "coverage (>=6.2,<7.0)", "isort (>=5.0.6,<6.0.0)", "mypy (==0.971)", "pytest (>=4.4.0,<8.0.0)", "pytest-cov (>=2.10.0,<5.0.0)", "pytest-sugar (>=0.9.4,<0.10.0)", "pytest-xdist (>=1.32.0,<4.0.0)", "rich (>=10.11.0,<14.0.0)", "shellingham (>=1.3.0,<2.0.0)"]
 
 [[package]]
 name = "typing-extensions"
-version = "4.7.1"
-description = "Backported and Experimental Type Hints for Python 3.7+"
+version = "4.12.2"
+description = "Backported and Experimental Type Hints for Python 3.8+"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "typing_extensions-4.7.1-py3-none-any.whl", hash = "sha256:440d5dd3af93b060174bf433bccd69b0babc3b15b1a8dca43789fd7f61514b36"},
-    {file = "typing_extensions-4.7.1.tar.gz", hash = "sha256:b75ddc264f0ba5615db7ba217daeb99701ad295353c45f9e95963337ceeeffb2"},
+    {file = "typing_extensions-4.12.2-py3-none-any.whl", hash = "sha256:04e5ca0351e0f3f85c6853954072df659d0d13fac324d0072316b67d7794700d"},
+    {file = "typing_extensions-4.12.2.tar.gz", hash = "sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8"},
 ]
 
 [[package]]
@@ -1244,18 +1258,22 @@ h11 = ">=0.9.0,<1"
 
 [[package]]
 name = "zipp"
-version = "3.16.2"
+version = "3.21.0"
 description = "Backport of pathlib-compatible object wrapper for zip files"
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
 files = [
-    {file = "zipp-3.16.2-py3-none-any.whl", hash = "sha256:679e51dd4403591b2d6838a48de3d283f3d188412a9782faadf845f298736ba0"},
-    {file = "zipp-3.16.2.tar.gz", hash = "sha256:ebc15946aa78bd63458992fc81ec3b6f7b1e92d51c35e6de1c3804e73b799147"},
+    {file = "zipp-3.21.0-py3-none-any.whl", hash = "sha256:ac1bbe05fd2991f160ebce24ffbac5f6d11d83dc90891255885223d42b3cd931"},
+    {file = "zipp-3.21.0.tar.gz", hash = "sha256:2c9958f6430a2040341a52eb608ed6dd93ef4392e02ffe219417c1b28b5dd1f4"},
 ]
 
 [package.extras]
-docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-lint"]
-testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-ignore-flaky", "pytest-mypy (>=0.9.1)", "pytest-ruff"]
+check = ["pytest-checkdocs (>=2.4)", "pytest-ruff (>=0.2.1)"]
+cover = ["pytest-cov"]
+doc = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-lint"]
+enabler = ["pytest-enabler (>=2.2)"]
+test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools", "jaraco.test", "more-itertools", "pytest (>=6,!=8.1.*)", "pytest-ignore-flaky"]
+type = ["pytest-mypy"]
 
 [metadata]
 lock-version = "2.0"

pyproject.toml

@@ -18,6 +18,22 @@
 requires = ["hatchling"]
 build-backend = "hatchling.build"
 
+# ------ - ------
+
+[tool.ruff.lint]
+# https://docs.astral.sh/ruff/settings/#lint_ignore
+ignore = []
+
+# https://docs.astral.sh/ruff/settings/#lint_per-file-ignores
+# "piker/ui/qt.py" = [
+#   "E402",
+#   'F401',  # unused imports (without __all__ or blah as blah)
+#   # "F841", # unused variable rules
+# ]
+# ignore-init-module-imports = false
+
+# ------ - ------
+
 [project]
 name = "piker"
 version = "0.1.0a0dev0"
@@ -87,23 +103,15 @@ uis = [
     "pyqt6 >=6.7.0, <7.0.0",
     "pyqtgraph",
 
-    # for consideration,
-    # - 'visidata'
+    # ------ - ------
 
     # TODO: add an `--only daemon` group for running non-ui / pikerd
     # service tree in distributed mode B)
     # https://docs.astral.sh/uv/concepts/projects/dependencies/#optional-dependencies
+    # [project.optional-dependencies]
 ]
 
 [dependency-groups]
-# TODO: a toolset that makes debugging a `pikerd` service (tree) easy
-# to hack on directly using more or less the local env:
-# - xonsh + xxh
-# - rsyscall + pdbp
-# - actor runtime control console like BEAM/OTP
-#
-# console ehancements and eventually remote debugging extras/helpers.
-# use `uv --dev` to enable
 dev = [
     "pytest >=6.0.0, <7.0.0",
     "elasticsearch >=8.9.0, <9.0.0",
@@ -111,7 +119,13 @@ dev = [
     "prompt-toolkit ==3.0.40",
     "cython >=3.0.0, <4.0.0",
     "greenback >=1.1.1, <2.0.0",
-    "ruff>=0.9.6",
+    # console ehancements and eventually remote debugging
+    # extras/helpers.
+    # TODO: add a toolset that makes debugging a `pikerd` service
+    # (tree) easy to hack on directly using more or less the local env:
+    # - xonsh + xxh
+    # - rsyscall + pdbp
+    # - actor runtime control console like BEAM/OTP
 ]
 
 [project.scripts]
@@ -130,4 +144,4 @@ pyqtgraph = { git = "https://github.com/pikers/pyqtgraph.git" }
 asyncvnc = { git = "https://github.com/pikers/asyncvnc.git", branch = "main" }
 tomlkit = { git = "https://github.com/pikers/tomlkit.git", branch ="piker_pin" }
 msgspec = { git = "https://github.com/jcrist/msgspec.git" }
-tractor = { path = "../tractor", editable = true }
+tractor = { path = "../tractor" }

ruff.toml

@@ -1,93 +0,0 @@
-# from default `ruff.toml` @
-# https://docs.astral.sh/ruff/configuration/
-
-# Exclude a variety of commonly ignored directories.
-exclude = [
-    ".bzr",
-    ".direnv",
-    ".eggs",
-    ".git",
-    ".git-rewrite",
-    ".hg",
-    ".ipynb_checkpoints",
-    ".mypy_cache",
-    ".nox",
-    ".pants.d",
-    ".pyenv",
-    ".pytest_cache",
-    ".pytype",
-    ".ruff_cache",
-    ".svn",
-    ".tox",
-    ".venv",
-    ".vscode",
-    "__pypackages__",
-    "_build",
-    "buck-out",
-    "build",
-    "dist",
-    "node_modules",
-    "site-packages",
-    "venv",
-]
-
-# Same as Black.
-line-length = 88
-indent-width = 4
-
-# Assume Python 3.9
-target-version = "py312"
-
-# ------ - ------
-# TODO, stop warnings around `anext()` builtin use?
-# tool.ruff.target-version = "py310"
-
-
-[lint]
-# Enable Pyflakes (`F`) and a subset of the pycodestyle (`E`)  codes by default.
-# Unlike Flake8, Ruff doesn't enable pycodestyle warnings (`W`) or
-# McCabe complexity (`C901`) by default.
-select = ["E4", "E7", "E9", "F"]
-ignore = []
-ignore-init-module-imports = false
-
-[lint.per-file-ignores]
-"piker/ui/qt.py" = [
-  "E402",
-  'F401',  # unused imports (without __all__ or blah as blah)
-  # "F841", # unused variable rules
-]
-
-# Allow fix for all enabled rules (when `--fix`) is provided.
-fixable = ["ALL"]
-unfixable = []
-
-# Allow unused variables when underscore-prefixed.
-dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
-
-[format]
-# Use single quotes in `ruff format`.
-quote-style = "single"
-
-# Like Black, indent with spaces, rather than tabs.
-indent-style = "space"
-
-# Like Black, respect magic trailing commas.
-skip-magic-trailing-comma = false
-
-# Like Black, automatically detect the appropriate line ending.
-line-ending = "auto"
-
-# Enable auto-formatting of code examples in docstrings. Markdown,
-# reStructuredText code/literal blocks and doctests are all supported.
-#
-# This is currently disabled by default, but it is planned for this
-# to be opt-out in the future.
-docstring-code-format = false
-
-# Set the line length limit used when formatting code snippets in
-# docstrings.
-#
-# This only has an effect when the `docstring-code-format` setting is
-# enabled.
-docstring-code-line-length = "dynamic"

tests/conftest.py

@@ -10,7 +10,7 @@ from piker import (
     config,
 )
 from piker.service import (
-    Services,
+    get_service_mngr,
 )
 from piker.log import get_console_log
 
@@ -129,7 +129,7 @@ async def _open_test_pikerd(
         ) as service_manager,
     ):
         # this proc/actor is the pikerd
-        assert service_manager is Services
+        assert service_manager is get_service_mngr()
 
         async with tractor.wait_for_actor(
             'pikerd',

tests/test_ems.py

@@ -26,7 +26,7 @@ import pytest
 import tractor
 from uuid import uuid4
 
-from piker.service import Services
+from piker.service import ServiceMngr
 from piker.log import get_logger
 from piker.clearing._messages import (
     Order,
@@ -158,7 +158,7 @@ def load_and_check_pos(
 
 
 def test_ems_err_on_bad_broker(
-    open_test_pikerd: Services,
+    open_test_pikerd: ServiceMngr,
     loglevel: str,
 ):
     async def load_bad_fqme():

tests/test_services.py

@@ -15,7 +15,7 @@ import tractor
 
 from piker.service import (
     find_service,
-    Services,
+    ServiceMngr,
 )
 from piker.data import (
     open_feed,
@@ -44,7 +44,7 @@ def test_runtime_boot(
     async def main():
         port = 6666
         daemon_addr = ('127.0.0.1', port)
-        services: Services
+        services: ServiceMngr
 
         async with (
             open_test_pikerd(

uv.lock

@@ -708,7 +708,6 @@ dev = [
     { name = "greenback" },
     { name = "prompt-toolkit" },
     { name = "pytest" },
-    { name = "ruff" },
     { name = "xonsh" },
 ]
 
@@ -740,7 +739,7 @@ requires-dist = [
     { name = "tomli", specifier = ">=2.0.1,<3.0.0" },
     { name = "tomli-w", specifier = ">=1.0.0,<2.0.0" },
     { name = "tomlkit", git = "https://github.com/pikers/tomlkit.git?branch=piker_pin" },
-    { name = "tractor", editable = "../tractor" },
+    { name = "tractor", directory = "../tractor" },
     { name = "trio", specifier = ">=0.24,<0.25" },
     { name = "trio-util", specifier = ">=0.7.0,<0.8.0" },
     { name = "trio-websocket", specifier = ">=0.10.3,<0.11.0" },
@@ -755,7 +754,6 @@ dev = [
     { name = "greenback", specifier = ">=1.1.1,<2.0.0" },
     { name = "prompt-toolkit", specifier = "==3.0.40" },
     { name = "pytest", specifier = ">=6.0.0,<7.0.0" },
-    { name = "ruff", specifier = ">=0.9.6" },
     { name = "xonsh", specifier = ">=0.14.2,<0.15.0" },
 ]
 
@@ -1075,31 +1073,6 @@ wheels = [
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 ]
 
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-
 [[package]]
 name = "shellingham"
 version = "1.5.4"
@@ -1215,7 +1188,7 @@ source = { git = "https://github.com/pikers/tomlkit.git?branch=piker_pin#8e0239a
 [[package]]
 name = "tractor"
 version = "0.1.0a6.dev0"
-source = { editable = "../tractor" }
+source = { directory = "../tractor" }
 dependencies = [
     { name = "colorlog" },
     { name = "msgspec" },