72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
# -*- coding: UTF-8 -*-
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# pylint: disable=C0111,R0903
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"""Display a stock quote from finance.yahoo.com
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Requires the following python packages:
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* requests
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Parameters:
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* stock.symbols : Comma-separated list of symbols to fetch
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* stock.change : Should we fetch change in stock value (defaults to True)
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contributed by `msoulier <https://github.com/msoulier>`_ - many thanks!
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"""
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import json
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import urllib.request
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import logging
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import core.module
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import core.widget
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import core.decorators
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import util.format
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class Module(core.module.Module):
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@core.decorators.every(hours=1)
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def __init__(self, config, theme):
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super().__init__(config, theme, core.widget.Widget(self.value))
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self.__symbols = self.parameter("symbols", "")
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self.__change = util.format.asbool(self.parameter("change", True))
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self.__value = None
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def value(self, widget):
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results = []
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if not self.__value:
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return "n/a"
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data = json.loads(self.__value)
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for symbol in data["quoteResponse"]["result"]:
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valkey = "regularMarketChange" if self.__change else "regularMarketPrice"
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sym = symbol.get("symbol", "n/a")
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currency = symbol.get("currency", "USD")
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val = "n/a" if not valkey in symbol else "{:.2f}".format(symbol[valkey])
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results.append("{} {} {}".format(sym, val, currency))
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return " ".join(results)
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def fetch(self):
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if self.__symbols:
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url = "https://query1.finance.yahoo.com/v7/finance/quote?symbols="
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url += (
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self.__symbols
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+ "&fields=regularMarketPrice,currency,regularMarketChange"
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)
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try:
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return urllib.request.urlopen(url).read().strip()
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except urllib.request.URLError:
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logging.error("unable to open stock exchange url")
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return None
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else:
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logging.error("unable to retrieve stock exchange rate")
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return None
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def update(self):
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self.__value = self.fetch()
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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