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Port monitor to normalized streams

its_happening
Tyler Goodlet 2020-08-10 15:48:57 -04:00
parent 37607d61ca
commit 23dcc45b63
2 changed files with 33 additions and 28 deletions
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51
piker/ui/kivy/monitor.py
View File

@ -69,7 +69,6 @@ async def update_quotes(
chngcell.color = color
hdrcell.color = color
# briefly highlight bg of certain cells on each trade execution
unflash = set()
tick_color = None
@ -105,39 +104,37 @@ async def update_quotes(
# initial coloring
to_sort = set()
for sym, quote in first_quotes.items():
row = table.get_row(sym)
record, displayable = formatter(
quote, symbol_data=symbol_data)
row.update(record, displayable)
color_row(row, record, {})
for quote in first_quotes:
row = table.get_row(quote['symbol'])
row.update(quote)
color_row(row, quote, {})
to_sort.add(row.widget)
table.render_rows(to_sort)
log.debug("Finished initializing update loop")
task_status.started()
# real-time cell update loop
async for quotes in agen: # new quotes data only
to_sort = set()
for symbol, quote in quotes.items():
row = table.get_row(symbol)
record, displayable = formatter(
quote, symbol_data=symbol_data)
# don't red/green the header cell in ``row.update()``
record.pop('symbol')
quote.pop('symbol')
quote.pop('key')
# determine if sorting should happen
sort_key = table.sort_key
last = row.get_field(sort_key)
new = record.get(sort_key, last)
new = quote.get(sort_key, last)
if new != last:
to_sort.add(row.widget)
# update and color
cells = row.update(record, displayable)
color_row(row, record, cells)
cells = row.update(quote)
color_row(row, quote, cells)
if to_sort:
table.render_rows(to_sort)
@ -179,18 +176,14 @@ async def _async_main(
This is started with cli cmd `piker monitor`.
'''
feed = DataFeed(portal, brokermod)
quote_gen, quotes = await feed.open_stream(
quote_gen, first_quotes = await feed.open_stream(
symbols,
'stock',
rate=rate,
test=test,
)
first_quotes, _ = feed.format_quotes(quotes)
if first_quotes[0].get('last') is None:
log.error("Broker API is down temporarily")
return
first_quotes_list = list(first_quotes.copy().values())
quotes = list(first_quotes.copy().values())
# build out UI
Window.set_title(f"monitor: {name}\t(press ? for help)")
@ -202,7 +195,9 @@ async def _async_main(
bidasks = brokermod._stock_bidasks
# add header row
headers = first_quotes[0].keys()
headers = list(first_quotes_list[0].keys())
headers.remove('displayable')
header = Row(
{key: key for key in headers},
headers=headers,
@ -217,11 +212,17 @@ async def _async_main(
cols=1,
size_hint=(1, None),
)
for ticker_record in first_quotes:
for ticker_record in first_quotes_list:
symbol = ticker_record['symbol']
table.append_row(
ticker_record['symbol'],
Row(ticker_record, headers=('symbol',),
bidasks=bidasks, table=table)
symbol,
Row(
ticker_record,
headers=('symbol',),
bidasks=bidasks,
no_cell=('displayable',),
table=table
)
)
table.last_clicked_row = next(iter(table.symbols2rows.values()))

10
piker/ui/kivy/tabular.py
View File

@ -300,10 +300,10 @@ class Row(HoverBehavior, GridLayout):
# handle bidask cells
if key in layouts:
self.add_widget(layouts[key])
elif key in children_flat:
elif key in children_flat or key in no_cell:
# these cells have already been added to the `BidAskLayout`
continue
elif key not in no_cell:
else:
cell = self._append_cell(val, key, header=header)
cell.key = key
self._cell_widgets[key] = cell
@ -329,7 +329,7 @@ class Row(HoverBehavior, GridLayout):
self.add_widget(cell)
return cell
def update(self, record, displayable):
def update(self, record):
"""Update this row's cells with new values from a quote
``record``.
@ -341,7 +341,11 @@ class Row(HoverBehavior, GridLayout):
fgreen = colorcode('forestgreen')
red = colorcode('red2')
displayable = record['displayable']
for key, val in record.items():
if key not in displayable:
continue
last = self.get_field(key)
color = gray
try: