Drop `bar_wap` curve for now, seems to also be causing hangs?!

piker/brokers/_util.py

@@ -33,7 +33,41 @@ class SymbolNotFound(BrokerError):
 
 
 class NoData(BrokerError):
-    "Symbol data not permitted"
+    '''
+    Symbol data not permitted or no data
+    for time range found.
+
+    '''
+    def __init__(
+        self,
+        *args,
+        frame_size: int = 1000,
+
+    ) -> None:
+        super().__init__(*args)
+
+        # when raised, machinery can check if the backend
+        # set a "frame size" for doing datetime calcs.
+        self.frame_size: int = 1000
+
+
+class DataUnavailable(BrokerError):
+    '''
+    Signal storage requests to terminate.
+
+    '''
+    # TODO: add in a reason that can be displayed in the
+    # UI (for eg. `kraken` is bs and you should complain
+    # to them that you can't pull more OHLC data..)
+
+
+class DataThrottle(BrokerError):
+    '''
+    Broker throttled request rate for data.
+
+    '''
+    # TODO: add in throttle metrics/feedback
+
 
 
 def resproc(
@@ -50,12 +84,12 @@ def resproc(
     if not resp.status_code == 200:
         raise BrokerError(resp.body)
     try:
-        json = resp.json()
+        msg = resp.json()
     except json.decoder.JSONDecodeError:
         log.exception(f"Failed to process {resp}:\n{resp.text}")
         raise BrokerError(resp.text)
 
     if log_resp:
-        log.debug(f"Received json contents:\n{colorize_json(json)}")
+        log.debug(f"Received json contents:\n{colorize_json(msg)}")
 
-    return json if return_json else resp
+    return msg if return_json else resp

piker/brokers/ib.py

@@ -1482,7 +1482,9 @@ async def get_bars(
 
             if 'No market data permissions for' in msg:
                 # TODO: signalling for no permissions searches
-                raise NoData(f'Symbol: {fqsn}')
+                raise NoData(
+                    f'Symbol: {fqsn}',
+                )
                 break
 
             elif (
@@ -1562,7 +1564,10 @@ async def open_history_client(
             if out is None:
                 # could be trying to retreive bars over weekend
                 log.error(f"Can't grab bars starting at {end_dt}!?!?")
-                raise NoData(f'{end_dt}')
+                raise NoData(
+                    f'{end_dt}',
+                    frame_size=2000,
+                )
 
             bars, bars_array, first_dt, last_dt = out
 

piker/brokers/kraken.py

@@ -20,7 +20,8 @@ Kraken backend.
 '''
 from contextlib import asynccontextmanager as acm
 from dataclasses import asdict, field
-from typing import Any, Optional, AsyncIterator, Callable
+from datetime import datetime
+from typing import Any, Optional, AsyncIterator, Callable, Union
 import time
 
 from trio_typing import TaskStatus
@@ -40,7 +41,13 @@ import base64
 
 from .. import config
 from .._cacheables import open_cached_client
-from ._util import resproc, SymbolNotFound, BrokerError
+from ._util import (
+    resproc,
+    SymbolNotFound,
+    BrokerError,
+    DataThrottle,
+    DataUnavailable,
+)
 from ..log import get_logger, get_console_log
 from ..data import ShmArray
 from ..data._web_bs import open_autorecon_ws, NoBsWs
@@ -391,17 +398,26 @@ class Client:
     async def bars(
         self,
         symbol: str = 'XBTUSD',
+
         # UTC 2017-07-02 12:53:20
-        since: int = None,
+        since: Optional[Union[int, datetime]] = None,
         count: int = 720,  # <- max allowed per query
         as_np: bool = True,
+
     ) -> dict:
+
         if since is None:
             since = pendulum.now('UTC').start_of('minute').subtract(
                 minutes=count).timestamp()
 
+        elif isinstance(since, int):
+            since = pendulum.from_timestamp(since).timestamp()
+
+        else:  # presumably a pendulum datetime
+            since = since.timestamp()
+
         # UTC 2017-07-02 12:53:20 is oldest seconds value
-        since = str(max(1499000000, since))
+        since = str(max(1499000000, int(since)))
         json = await self._public(
             'OHLC',
             data={
@@ -445,7 +461,16 @@ class Client:
             array = np.array(new_bars, dtype=_ohlc_dtype) if as_np else bars
             return array
         except KeyError:
-            raise SymbolNotFound(json['error'][0] + f': {symbol}')
+            errmsg = json['error'][0]
+
+            if 'not found' in errmsg:
+                raise SymbolNotFound(errmsg + f': {symbol}')
+
+            elif 'Too many requests' in errmsg:
+                raise DataThrottle(f'{symbol}')
+
+            else:
+                raise BrokerError(errmsg)
 
 
 @acm
@@ -668,8 +693,8 @@ async def handle_order_requests(
                                 oid=msg.oid,
                                 reqid=msg.reqid,
                                 symbol=msg.symbol,
-                                # TODO: maybe figure out if pending cancels will
-                                # eventually get cancelled
+                                # TODO: maybe figure out if pending
+                                # cancels will eventually get cancelled
                                 reason="Order cancel is still pending?",
                                 broker_details=resp
                             ).dict()
@@ -1003,7 +1028,45 @@ async def open_history_client(
 
     # TODO implement history getter for the new storage layer.
     async with open_cached_client('kraken') as client:
-        yield client
+
+        # lol, kraken won't send any more then the "last"
+        # 720 1m bars.. so we have to just ignore further
+        # requests of this type..
+        queries: int = 0
+
+        async def get_ohlc(
+            end_dt: Optional[datetime] = None,
+            start_dt: Optional[datetime] = None,
+
+        ) -> tuple[
+            np.ndarray,
+            datetime,  # start
+            datetime,  # end
+        ]:
+
+            nonlocal queries
+            if queries > 0:
+                raise DataUnavailable
+
+            count = 0
+            while count <= 3:
+                try:
+                    array = await client.bars(
+                        symbol,
+                        since=end_dt,
+                    )
+                    count += 1
+                    queries += 1
+                    break
+                except DataThrottle:
+                    log.warning(f'kraken OHLC throttle for {symbol}')
+                    await trio.sleep(1)
+
+            start_dt = pendulum.from_timestamp(array[0]['time'])
+            end_dt = pendulum.from_timestamp(array[-1]['time'])
+            return array, start_dt, end_dt
+
+        yield get_ohlc
 
 
 async def backfill_bars(

piker/data/cli.py

@@ -148,7 +148,7 @@ def storesh(
             enable_modules=['piker.data._ahab'],
         ):
             symbol = symbols[0]
-            await tsdb_history_update()
+            await tsdb_history_update(symbol)
 
     trio.run(main)
 

piker/data/feed.py

@@ -67,6 +67,10 @@ from ._sampling import (
     sample_and_broadcast,
     uniform_rate_send,
 )
+from ..brokers._util import (
+    NoData,
+    DataUnavailable,
+)
 
 
 log = get_logger(__name__)
@@ -273,7 +277,19 @@ async def start_backfill(
             # and count < mx_fills
         ):
             count += 1
+            try:
                 array, start_dt, end_dt = await hist(end_dt=start_dt)
+
+            except NoData:
+                # decrement by the diff in time last delivered.
+                end_dt = start_dt.subtract(seconds=(end_dt - start_dt).seconds)
+                continue
+
+            except DataUnavailable:
+                # broker is being a bish and we can't pull
+                # any more..
+                break
+
             to_push = diff_history(
                 array,
                 start_dt,

piker/data/marketstore.py

@@ -270,6 +270,7 @@ class Storage:
         self,
         fqsn: str,
         timeframe: Optional[Union[int, str]] = None,
+        end: Optional[int] = None,
 
     ) -> tuple[
         MarketstoreClient,
@@ -287,6 +288,7 @@ class Storage:
             symbols=fqsn,
             timeframe=tfstr,
             attrgroup='OHLCV',
+            end=end,
             # limit_from_start=True,
 
             # TODO: figure the max limit here given the
@@ -346,6 +348,7 @@ class Storage:
         self,
         fqsn: str,
         ohlcv: np.ndarray,
+        append_and_duplicate: bool = True,
 
     ) -> None:
         # build mkts schema compat array for writing
@@ -373,7 +376,7 @@ class Storage:
             # NOTE: will will append duplicates
             # for the same timestamp-index.
             # TODO: pre deduplicate?
-            isvariablelength=True,
+            isvariablelength=append_and_duplicate,
         )
 
         log.info(
@@ -443,17 +446,17 @@ async def tsdb_history_update(
     async with (
         open_storage_client(fqsn) as storage,
 
-        # maybe_open_feed(
-        #     [fqsn],
-        #     start_stream=False,
+        maybe_open_feed(
+            [fqsn],
+            start_stream=False,
 
-        # ) as (feed, stream),
+        ) as (feed, stream),
     ):
         profiler(f'opened feed for {fqsn}')
 
 
-        # to_append = feed.shm.array
-        # to_prepend = None
+        to_append = feed.shm.array
+        to_prepend = None
 
         if fqsn:
             symbol = feed.symbols.get(fqsn)
@@ -477,10 +480,11 @@ async def tsdb_history_update(
         log.info(f'Existing tsdb symbol set:\n{pformat(syms)}')
         profiler(f'listed symbols {syms}')
 
+        # TODO: ask if user wants to write history for detected
+        # available shm buffers?
         from tractor.trionics import ipython_embed
         await ipython_embed()
 
-
         # for array in [to_append, to_prepend]:
         #     if array is None:
         #         continue
@@ -490,7 +494,7 @@ async def tsdb_history_update(
         #     )
         #     await storage.write_ohlcv(fqsn, array)
 
-        profiler('Finished db writes')
+        # profiler('Finished db writes')
 
 
 async def ingest_quote_stream(

piker/fsp/_momo.py

@@ -167,6 +167,7 @@ def _wma(
 
     assert length == len(weights)
 
+    # lol, for long sequences this is nutso slow and expensive..
     return np.convolve(signal, weights, 'valid')
 
 

piker/fsp/_volume.py

@@ -309,7 +309,7 @@ async def flow_rates(
 
         if period > 1:
             trade_rate_wma = _wma(
-                dvlm_shm.array['trade_count'],
+                dvlm_shm.array['trade_count'][-period:],
                 period,
                 weights=weights,
             )
@@ -332,7 +332,7 @@ async def flow_rates(
 
         if period > 1:
             dark_trade_rate_wma = _wma(
-                dvlm_shm.array['dark_trade_count'],
+                dvlm_shm.array['dark_trade_count'][-period:],
                 period,
                 weights=weights,
             )

piker/ui/_curve.py

@@ -429,10 +429,7 @@ class FastAppendCurve(pg.GraphicsObject):
         if (
             # std m4 downsample conditions
             px_width
-            and uppx_diff >= 1
-            or uppx_diff <= -1
-            or self._step_mode and abs(uppx_diff) >= 2
-
+            and abs(uppx_diff) >= 1
         ):
             log.info(
                 f'{self._name} sampler change: {self._last_uppx} -> {uppx}'

piker/ui/_display.py

@@ -61,7 +61,7 @@ from ..log import get_logger
 log = get_logger(__name__)
 
 # TODO: load this from a config.toml!
-_quote_throttle_rate: int = 12  # Hz
+_quote_throttle_rate: int = 22  # Hz
 
 
 # a working tick-type-classes template
@@ -689,15 +689,17 @@ async def display_symbol_data(
         # plot historical vwap if available
         wap_in_history = False
 
-        if brokermod._show_wap_in_history:
+        # XXX: FOR SOME REASON THIS IS CAUSING HANGZ!?!
+        # if brokermod._show_wap_in_history:
 
-            if 'bar_wap' in bars.dtype.fields:
-                wap_in_history = True
-                chart.draw_curve(
-                    name='bar_wap',
-                    data=bars,
-                    add_label=False,
-                )
+        #     if 'bar_wap' in bars.dtype.fields:
+        #         wap_in_history = True
+        #         chart.draw_curve(
+        #             name='bar_wap',
+        #             shm=ohlcv,
+        #             color='default_light',
+        #             add_label=False,
+        #         )
 
         # size view to data once at outset
         chart.cv._set_yrange()

piker/ui/_flows.py

@@ -320,7 +320,7 @@ class Flow(msgspec.Struct):  # , frozen=True):
         render: bool = True,
         array_key: Optional[str] = None,
 
-        profiler=None,
+        profiler: Optional[pg.debug.Profiler] = None,
 
         **kwargs,
 
@@ -524,7 +524,10 @@ class Flow(msgspec.Struct):  # , frozen=True):
                     view_range=(ivl, ivr),  # hack
                     profiler=profiler,
                     # should_redraw=False,
-                    # do_append=False,
+
+                    # NOTE: already passed through by display loop?
+                    # do_append=uppx < 16,
+                    **kwargs,
                 )
                 curve.show()
                 profiler('updated ds curve')
@@ -589,6 +592,7 @@ class Flow(msgspec.Struct):  # , frozen=True):
         else:
             # ``FastAppendCurve`` case:
             array_key = array_key or self.name
+            uppx = graphics.x_uppx()
 
             if graphics._step_mode and self.gy is None:
                 self._iflat_first = self.shm._first.value
@@ -834,7 +838,9 @@ class Flow(msgspec.Struct):  # , frozen=True):
                     slice_to_head=-2,
 
                     should_redraw=bool(append_diff),
-                    # do_append=False,
+
+                    # NOTE: already passed through by display loop?
+                    # do_append=uppx < 16,
 
                     **kwargs
                 )
@@ -866,6 +872,8 @@ class Flow(msgspec.Struct):  # , frozen=True):
 
                     view_range=(ivl, ivr) if use_vr else None,
 
+                    # NOTE: already passed through by display loop?
+                    # do_append=uppx < 16,
                     **kwargs
                 )