From f0149118e132bc1d9adca7466e11387481750b81 Mon Sep 17 00:00:00 2001 From: Tyler Goodlet Date: Tue, 20 Mar 2018 21:20:55 -0400 Subject: [PATCH] Specify bid-ask "stacked" cells by argument --- piker/ui/watchlist.py | 28 +++++++++++++++++----------- 1 file changed, 17 insertions(+), 11 deletions(-) diff --git a/piker/ui/watchlist.py b/piker/ui/watchlist.py index 18593e31..42d45286 100644 --- a/piker/ui/watchlist.py +++ b/piker/ui/watchlist.py @@ -21,6 +21,7 @@ from kivy.core.window import Window from ..calc import humanize, percent_change from ..log import get_logger from .pager import PagerView +from ..brokers.core import poll_tickers log = get_logger('watchlist') @@ -266,7 +267,7 @@ class Row(GridLayout): turn adjust the text color of the values based on content changes. """ def __init__( - self, record, headers=(), table=None, is_header_row=False, + self, record, headers=(), bidasks=None, table=None, is_header_row=False, **kwargs ): super(Row, self).__init__(cols=len(record), **kwargs) @@ -276,13 +277,9 @@ class Row(GridLayout): self.is_header = is_header_row # create `BidAskCells` first - bidasks = { - 'last': ['bid', 'ask'], - 'size': ['bsize', 'asize'], - 'VWAP': ['low', 'high'], - } - ba_cells = {} layouts = {} + bidasks = bidasks or {} + ba_cells = {} for key, children in bidasks.items(): layout = BidAskLayout( [record[key]] + [record[child] for child in children], @@ -356,10 +353,10 @@ class TickerTable(GridLayout): # for tracking last clicked column header cell self.last_clicked_col_cell = None - def append_row(self, record): + def append_row(self, record, bidasks=None): """Append a `Row` of `Cell` objects to this table. """ - row = Row(record, headers=('symbol',), table=self) + row = Row(record, headers=('symbol',), bidasks=bidasks, table=self) # store ref to each row self.symbols2rows[row._last_record['symbol']] = row self.add_widget(row) @@ -467,7 +464,8 @@ async def _async_main(name, tickers, brokermod): # get long term data including last days close price sd = await client.symbols(tickers) - nursery.start_soon(brokermod.poll_tickers, client, tickers, queue) + nursery.start_soon( + poll_tickers, client, brokermod.quoter, tickers, queue) # get first quotes response pkts = await queue.get() @@ -485,11 +483,19 @@ async def _async_main(name, tickers, brokermod): Builder.load_string(_kv) box = BoxLayout(orientation='vertical', padding=5, spacing=5) + # define bid-ask "stacked" cells + bidasks = { + 'last': ['bid', 'ask'], + 'size': ['bsize', 'asize'], + 'VWAP': ['low', 'high'], + } + # add header row headers = first_quotes[0].keys() header = Row( {key: key for key in headers}, headers=headers, + bidasks=bidasks, is_header_row=True, size_hint=(1, None), ) @@ -501,7 +507,7 @@ async def _async_main(name, tickers, brokermod): size_hint=(1, None), ) for ticker_record in first_quotes: - grid.append_row(ticker_record) + grid.append_row(ticker_record, bidasks=bidasks) # associate the col headers row with the ticker table even though # they're technically wrapped separately in containing BoxLayout header.table = grid