"""Render the stock prices page."""
def __init__(
- self,
- name_to_timeout_dict: Dict[str, int],
- symbols: List[str],
- display_subs: Dict[str, str] = None,
+ self,
+ name_to_timeout_dict: Dict[str, int],
+ symbols: List[str],
+ display_subs: Dict[str, str] = None,
) -> None:
super().__init__(name_to_timeout_dict)
self.symbols = symbols
return ticker
@staticmethod
- def get_item_from_dict(keys: List[str], dictionary: Dict[str, Any]) -> Optional[Any]:
+ def get_item_from_dict(
+ keys: List[str], dictionary: Dict[str, Any]
+ ) -> Optional[Any]:
result = None
for key in keys:
result = dictionary.get(key, None)
# First try fast_info
price = stock_quote_renderer.get_item_from_dict(
- ['last_price',
- 'open',
- 'previous_close'],
- ticker.fast_info)
+ ["last_price", "open", "previous_close"], ticker.fast_info
+ )
if price:
return price
# Next try info
price = stock_quote_renderer.get_item_from_dict(
- ['bid',
- 'ask',
- 'lastMarket'],
- self.cache_info(ticker))
+ ["bid", "ask", "lastMarket"], self.cache_info(ticker)
+ )
if price:
return price
# Finally, fall back on history
- hist = ticker.history(period="1d").to_dict()['Close']
+ hist = ticker.history(period="1d").to_dict()["Close"]
latest = None
latest_price = None
for k, v in hist.items():
@staticmethod
def make_chart(symbol: str, ticker: yf.Ticker, period: str) -> str:
- base_filename = f'stock_chart_{symbol}.png'
+ base_filename = f"stock_chart_{symbol}.png"
output_filename = os.path.join(kiosk_constants.pages_dir, base_filename)
transparent = go.Layout(
- paper_bgcolor='rgba(0,0,0,0)',
- plot_bgcolor='rgba(0,0,0,0)',
+ paper_bgcolor="rgba(0,0,0,0)",
+ plot_bgcolor="rgba(0,0,0,0)",
xaxis_rangeslider_visible=False,
)
hist = ticker.history(period=period, interval="1wk")
chart = go.Figure(
data=go.Candlestick(
- open=hist['Open'],
- high=hist['High'],
- low=hist['Low'],
- close=hist['Close'],
+ open=hist["Open"],
+ high=hist["High"],
+ low=hist["Low"],
+ close=hist["Close"],
),
layout=transparent,
)
print(f"Write {output_filename}...")
return base_filename
- def get_last_close(
- self,
- ticker: yf.Ticker
- ) -> float:
+ def get_last_close(self, ticker: yf.Ticker) -> float:
last_close = stock_quote_renderer.get_item_from_dict(
- ['previous_close',
- 'open'],
- ticker.fast_info)
+ ["previous_close", "open"], ticker.fast_info
+ )
if last_close:
return last_close
last_close = stock_quote_renderer.get_item_from_dict(
- ['preMarketPrice'],
- self.cache_info(ticker))
+ ["preMarketPrice"], self.cache_info(ticker)
+ )
if last_close:
return last_close
return self.get_price(ticker)
def get_change_and_delta(
- self,
- ticker: yf.Ticker,
- price: float
+ self, ticker: yf.Ticker, price: float
) -> Tuple[float, float]:
"""Given the current price, look up opening price and compute delta."""
last_price = self.get_last_close(ticker)
continue
name = self.get_ticker_name(ticker)
if name is None:
- logger.debug(f'Bad name for {symbol} -- skipped.')
+ logger.debug(f"Bad name for {symbol} -- skipped.")
continue
price = self.get_price(ticker)
if price is None:
logger.debug(f"No price information for {symbol} -- skipped.")
continue
- (percent_change, delta) = self.get_change_and_delta(
- ticker, price
- )
+ (percent_change, delta) = self.get_change_and_delta(ticker, price)
chart_filename = stock_quote_renderer.make_chart(symbol, ticker, "1y")
print(f"delta: {delta}, change: {percent_change}")
if percent_change < 0:
f.write("</TR></TABLE>")
return True
+
# Test
-x = stock_quote_renderer({}, ["MSFT", "GOOG", "BTC-USD", "ABHYX", "GC=F", "VNQ"], { "BTC-USD": "BTC", "GC=F": "GOLD" })
-x.periodic_render(None)
+# x = stock_quote_renderer({}, ["MSFT", "GOOG", "BTC-USD", "ABHYX", "GC=F", "VNQ"], { "BTC-USD": "BTC", "GC=F": "GOLD" })
+# x.periodic_render(None)