Start vlm and other fsps as separate tasks

fsp_ui_mod
Tyler Goodlet 2022-01-13 13:38:36 -05:00
parent 404f5d6d23
commit c3c1e14cf4
2 changed files with 41 additions and 15 deletions

View File

@ -40,6 +40,8 @@ from ._l1 import L1Labels
from ._fsp import (
update_fsp_chart,
start_fsp_displays,
has_vlm,
open_vlm_displays,
)
from ..data._sharedmem import ShmArray, try_read
from ._forms import (
@ -81,7 +83,7 @@ def chart_maxmin(
# https://arxiv.org/abs/cs/0610046
# https://github.com/lemire/pythonmaxmin
array = chart._arrays['ohlc']
array = chart._arrays[chart.name]
ifirst = array[0]['index']
last_bars_range = chart.bars_range()
@ -139,6 +141,7 @@ async def update_linked_charts_graphics(
if vlm_chart:
vlm_sticky = vlm_chart._ysticks['volume']
vlm_view = vlm_chart.view
maxmin = partial(chart_maxmin, chart, vlm_chart)
@ -175,6 +178,7 @@ async def update_linked_charts_graphics(
tick_margin = 3 * tick_size
chart.show()
view = chart.view
last_quote = time.time()
async for quotes in stream:
@ -186,7 +190,10 @@ async def update_linked_charts_graphics(
if (
quote_period <= 1/_quote_throttle_rate
and quote_rate > _quote_throttle_rate * 1.5
# in the absolute worst case we shouldn't see more then
# twice the expected throttle rate right!?
and quote_rate >= _quote_throttle_rate * 1.5
):
log.warning(f'High quote rate {symbol.key}: {quote_rate}')
last_quote = now
@ -223,7 +230,9 @@ async def update_linked_charts_graphics(
mx_vlm_in_view > last_mx_vlm
):
# print(f'mx vlm: {last_mx_vlm} -> {mx_vlm_in_view}')
vlm_chart._set_yrange(yrange=(0, mx_vlm_in_view * 1.375))
vlm_view._set_yrange(
yrange=(0, mx_vlm_in_view * 1.375)
)
last_mx_vlm = mx_vlm_in_view
for curve_name, shm in vlm_chart._overlays.items():
@ -347,9 +356,12 @@ async def update_linked_charts_graphics(
l1.bid_label.update_fields({'level': price, 'size': size})
# check for y-range re-size
if (mx > last_mx) or (mn < last_mn):
if (
(mx > last_mx) or (mn < last_mn)
and not chart._static_yrange == 'axis'
):
# print(f'new y range: {(mn, mx)}')
chart._set_yrange(
view._set_yrange(
yrange=(mn, mx),
# TODO: we should probably scale
# the view margin based on the size
@ -371,6 +383,7 @@ async def update_linked_charts_graphics(
name,
array_key=name,
)
subchart.cv._set_yrange()
# TODO: all overlays on all subplots..
@ -382,6 +395,7 @@ async def update_linked_charts_graphics(
curve_name,
array_key=curve_name,
)
# chart._set_yrange()
async def check_for_new_bars(
@ -542,7 +556,7 @@ async def display_symbol_data(
)
# size view to data once at outset
chart._set_yrange()
chart.cv._set_yrange()
# TODO: a data view api that makes this less shit
chart._shm = ohlcv
@ -557,13 +571,19 @@ async def display_symbol_data(
vlm_chart: Optional[ChartPlotWidget] = None
async with trio.open_nursery() as ln:
# load initial fsp chain (otherwise known as "indicators")
admin, vlm_chart = await ln.start(
start_fsp_displays,
# if available load volume related built-in display(s)
if has_vlm(ohlcv):
vlm_chart = await ln.start(
open_vlm_displays,
linkedsplits,
ohlcv,
)
# load (user's) FSP set (otherwise known as "indicators")
# from an input config.
ln.start_soon(
start_fsp_displays,
linkedsplits,
brokermod,
sym,
ohlcv,
loading_sym_key,
loglevel,
@ -601,5 +621,9 @@ async def display_symbol_data(
await trio.sleep(0)
linkedsplits.resize_sidepanes()
# TODO: make this not so shit XD
# close group status
sbar._status_groups[loading_sym_key][1]()
# let the app run.
await trio.sleep_forever()

View File

@ -1,5 +1,5 @@
# piker: trading gear for hackers
# Copyright (C) Tyler Goodlet (in stewardship for piker0)
# 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
@ -25,7 +25,7 @@ from typing import Callable, Optional, Union
import uuid
from pyqtgraph import QtGui
from PyQt5 import QtCore, QtWidgets
from PyQt5 import QtCore
from PyQt5.QtWidgets import QLabel, QStatusBar
from ..log import get_logger
@ -55,7 +55,8 @@ class MultiStatus:
group_key: Optional[Union[bool, str]] = False,
) -> Union[Callable[..., None], str]:
'''Add a status to the status bar and return a close callback which
'''
Add a status to the status bar and return a close callback which
when called will remove the status ``msg``.
'''
@ -137,7 +138,8 @@ class MultiStatus:
return ret
def render(self) -> None:
'''Display all open statuses to bar.
'''
Display all open statuses to bar.
'''
if self.statuses: