Make all UI entrypoints accept an fqsn `list`
This is to prep for multi-symbol feeds and charts so we accept a sequence of fqsns to the top level entrypoints as well as the `.data.feed.open_feed()` API (though we're not actually supporting true multiplexed feeds nor shm lookups per fqsn yet).pre_multi_feedz
Tyler Goodlet
parent
16699bdc88
commit
f1b5c6e62c
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@ -66,7 +66,7 @@ async def _async_main(
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# implicit required argument provided by ``qtractor_run()``
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main_widget: GodWidget,
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sym: str,
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syms: list[str],
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brokernames: str,
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loglevel: str,
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@ -113,12 +113,16 @@ async def _async_main(
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# godwidget.hbox.addWidget(search)
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godwidget.search = search
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symbols: list[str] = []
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for sym in syms:
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symbol, _, provider = sym.rpartition('.')
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symbols.append(symbol)
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# this internally starts a ``display_symbol_data()`` task above
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order_mode_ready = await godwidget.load_symbol(
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order_mode_ready = await godwidget.load_symbols(
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provider,
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symbol,
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symbols,
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loglevel
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)
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@ -166,7 +170,7 @@ async def _async_main(
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def _main(
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sym: str,
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syms: list[str],
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brokernames: [str],
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piker_loglevel: str,
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tractor_kwargs,
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@ -178,7 +182,7 @@ def _main(
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'''
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run_qtractor(
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func=_async_main,
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args=(sym, brokernames, piker_loglevel),
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args=(syms, brokernames, piker_loglevel),
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main_widget_type=GodWidget,
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tractor_kwargs=tractor_kwargs,
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)
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@ -186,10 +186,10 @@ class GodWidget(QWidget):
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) -> tuple[LinkedSplits, LinkedSplits]: # type: ignore
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return self._chart_cache.get(symbol_key)
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async def load_symbol(
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async def load_symbols(
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self,
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providername: str,
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symbol_key: str,
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symbol_keys: list[str],
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loglevel: str,
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reset: bool = False,
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@ -200,12 +200,20 @@ class GodWidget(QWidget):
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Expects a ``numpy`` structured array containing all the ohlcv fields.
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'''
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fqsns: list[str] = []
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# our symbol key style is always lower case
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symbol_key = symbol_key.lower()
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for key in list(map(str.lower, symbol_keys)):
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# fully qualified symbol name (SNS i guess is what we're making?)
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fqsn = '.'.join([symbol_key, providername])
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all_linked = self.get_chart_symbol(fqsn)
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fqsn = '.'.join([key, providername])
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fqsns.append(fqsn)
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# NOTE: for now we use the first symbol in the set as the "key"
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# for the overlay of feeds on the chart.
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group_key = fqsns[0]
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all_linked = self.get_chart_symbol(group_key)
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order_mode_started = trio.Event()
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if not self.vbox.isEmpty():
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@ -238,7 +246,7 @@ class GodWidget(QWidget):
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display_symbol_data,
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self,
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providername,
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symbol_key,
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fqsns,
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loglevel,
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order_mode_started,
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)
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@ -947,7 +947,7 @@ async def link_views_with_region(
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async def display_symbol_data(
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godwidget: GodWidget,
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provider: str,
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sym: str,
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fqsns: list[str],
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loglevel: str,
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order_mode_started: trio.Event,
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@ -961,11 +961,6 @@ async def display_symbol_data(
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'''
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sbar = godwidget.window.status_bar
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loading_sym_key = sbar.open_status(
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f'loading {sym}.{provider} ->',
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group_key=True
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)
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# historical data fetch
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# brokermod = brokers.get_brokermod(provider)
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@ -974,10 +969,18 @@ async def display_symbol_data(
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# clear_on_next=True,
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# group_key=loading_sym_key,
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# )
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fqsn = '.'.join((sym, provider))
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for fqsn in fqsns:
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loading_sym_key = sbar.open_status(
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f'loading {fqsn} ->',
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group_key=True
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)
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first_fqsn = fqsns[0]
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async with open_feed(
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[fqsn],
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fqsns,
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loglevel=loglevel,
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# limit to at least display's FPS
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@ -988,7 +991,7 @@ async def display_symbol_data(
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ohlcv: ShmArray = feed.rt_shm
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hist_ohlcv: ShmArray = feed.hist_shm
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symbol = feed.symbols[sym]
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symbol = feed.symbols[first_fqsn]
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fqsn = symbol.front_fqsn()
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step_size_s = 1
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@ -1025,7 +1028,7 @@ async def display_symbol_data(
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godwidget.pp_pane = pp_pane
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# create main OHLC chart
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chart = rt_linked.plot_ohlc_main(
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ohlc_chart = rt_linked.plot_ohlc_main(
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symbol,
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ohlcv,
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# in the case of history chart we explicitly set `False`
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@ -1033,8 +1036,8 @@ async def display_symbol_data(
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sidepane=pp_pane,
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)
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chart._feeds[symbol.key] = feed
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chart.setFocus()
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ohlc_chart._feeds[symbol.key] = feed
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ohlc_chart.setFocus()
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# XXX: FOR SOME REASON THIS IS CAUSING HANGZ!?!
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# plot historical vwap if available
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@ -1044,7 +1047,7 @@ async def display_symbol_data(
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# and 'bar_wap' in bars.dtype.fields
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# ):
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# wap_in_history = True
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# chart.draw_curve(
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# ohlc_chart.draw_curve(
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# name='bar_wap',
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# shm=ohlcv,
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# color='default_light',
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@ -1105,7 +1108,7 @@ async def display_symbol_data(
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await trio.sleep(0)
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# size view to data prior to order mode init
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chart.default_view()
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ohlc_chart.default_view()
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rt_linked.graphics_cycle()
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await trio.sleep(0)
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@ -1119,7 +1122,7 @@ async def display_symbol_data(
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godwidget.resize_all()
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await link_views_with_region(
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chart,
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ohlc_chart,
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hist_chart,
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feed,
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)
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@ -1135,7 +1138,7 @@ async def display_symbol_data(
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):
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if not vlm_chart:
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# trigger another view reset if no sub-chart
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chart.default_view()
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ohlc_chart.default_view()
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rt_linked.mode = mode
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