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mop/lib/yahoo_quotes.go

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// Copyright (c) 2013 by Michael Dvorkin. All Rights Reserved.
//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
package mop
import (
"bytes"
"fmt"
"io/ioutil"
"net/http"
"strings"
)
// See http://www.gummy-stuff.org/Yahoo-data.htm
// Current, Change, Open, High, Low, 52-W High, 52-W Low, Volume, AvgVolume, P/E, Yield, Market Cap.
// l1: last trade
// c6: change rt
// k2: change % rt
// o: open
// g: day's low
// h: day's high
// j: 52w low
// k: 52w high
// v: volume
// a2: avg volume
// r2: p/e rt
// r: p/e
// d: dividend/share
// y: wield
// j3: market cap rt
// j1: market cap
const yahoo_quotes_url = `http://download.finance.yahoo.com/d/quotes.csv?s=%s&f=,l1c6k2oghjkva2r2rdyj3j1`
// "AAPL", 417.42, "-3.38", "N/A - -0.80%", 420.33, 415.35, 423.29, 385.10, 705.07, 9788680, 15181900, N/A, 10.04, 11.00, 2.61, N/A, 391.8B
// "ALU", 1.83, "+0.07", "N/A - +3.98%", 1.77, 1.75, 1.83, 0.91, 2.01, 7957103, 11640700, N/A, N/A, 0.00, N/A, N/A, 4.156B
// "IBM", 194.93, "+1.68", "N/A - +0.87%", 192.83, 192.3501, 195.16, 181.85, 215.90, 2407971, 4376120, N/A, 13.33, 3.50, 1.81, N/A, 216.1B
// "TSLA", 120.09, "+4.85", "N/A - +4.21%", 118.75, 115.70, 120.28, 25.52, 121.89, 6827497, 9464530, N/A, N/A, 0.00, N/A, N/A, 13.877B
type Quote struct {
Ticker string
LastTrade string
Change string
ChangePercent string
Open string
Low string
High string
Low52 string
High52 string
Volume string
AvgVolume string
PeRatio string
PeRatioX string
Dividend string
Yield string
MarketCap string
MarketCapX string
}
type Quotes []Quote
func GetQuotes(tickers string) Quotes {
// Format the URL and send the request.
// url := fmt.Sprintf(yahoo_quotes_url, strings.Join(tickers, "+"))
url := fmt.Sprintf(yahoo_quotes_url, tickers)
response, err := http.Get(url)
if err != nil {
panic(err)
}
// Fetch response and get its body.
defer response.Body.Close()
body, err := ioutil.ReadAll(response.Body)
if err != nil {
panic(err)
}
return parse(sanitize(body))
}
func (q *Quote) Color() string {
if strings.Index(q.Change, "-") == -1 {
return "</green><green>"
} else {
return "" // "</red><red>"
}
}
func sanitize(body []byte) []byte {
return bytes.Replace(bytes.TrimSpace(body), []byte{'"'}, []byte{}, -1)
}
func parse(body []byte) Quotes {
lines := bytes.Split(body, []byte{'\n'})
quotes := make(Quotes, len(lines))
for i, line := range lines {
// fmt.Printf("\n\n{%d} -> [%s]\n\n", i, string(line))
parse_line(line, &quotes[i])
}
return quotes
}
func parse_line(line []byte, quote *Quote) {
columns := bytes.Split(bytes.TrimSpace(line), []byte{','})
quote.Ticker = string(columns[0])
quote.LastTrade = string(columns[1])
quote.Change = string(columns[2])
quote.ChangePercent = string(columns[3])
quote.Open = string(columns[4])
quote.Low = string(columns[5])
quote.High = string(columns[6])
quote.Low52 = string(columns[7])
quote.High52 = string(columns[8])
quote.Volume = string(columns[9])
quote.AvgVolume = string(columns[10])
quote.PeRatio = string(columns[11])
quote.PeRatioX = string(columns[12])
quote.Dividend = string(columns[13])
quote.Yield = string(columns[14])
quote.MarketCap = string(columns[15])
quote.MarketCapX = string(columns[16])
}
// func (quotes Quotes) Format() string {
// str := time.Now().Format("3:04:05pm PST\n")
//
// for _, q := range quotes {
// str += fmt.Sprintf("%s - %s - %s - %s\n", q.Ticker, q.Ask, q.Change, q.ChangePercent)
// }
// return str
// }
//
// http://query.yahooapis.com/v1/public/yql
// ?q=select%20*%20from%20yahoo.finance.quotes%20where%20symbol%20in(%22ALU%22,%22AAPL%22)
// &env=http%3A%2F%2Fdatatables.org%2Falltables.env
// &format=json'
//
// ^IXIC NASDAQ composite
// ^GSPC S&P 500
//
// {
// "query": {
// "count": 2,
// "created": "2013-06-28T03:28:19Z",
// "lang": "en-US",
// "results": {
// "quote": [
// {
// "AfterHoursChangeRealtime": "N/A - N/A",
// "AnnualizedGain": null,
// "Ask": null,
// "AskRealtime": "1.91",
// "AverageDailyVolume": "11692300",
// "Bid": null,
// "BidRealtime": "1.86",
// "BookValue": "1.249",
// "Change": "+0.12",
// "ChangeFromFiftydayMovingAverage": "+0.1626",
// "ChangeFromTwoHundreddayMovingAverage": "+0.321",
// "ChangeFromYearHigh": "-0.16",
// "ChangeFromYearLow": "+0.94",
// "ChangePercentRealtime": "N/A - +6.94%",
// "ChangeRealtime": "+0.12",
// "Change_PercentChange": "+0.12 - +6.94%",
// "ChangeinPercent": "+6.94%",
// "Commission": null,
// "DaysHigh": "1.92",
// "DaysLow": "1.79",
// "DaysRange": "1.79 - 1.92",
// "DaysRangeRealtime": "N/A - N/A",
// "DaysValueChange": "- - +6.94%",
// "DaysValueChangeRealtime": "N/A - N/A",
// "DividendPayDate": "29-Jun-07",
// "DividendShare": "0.00",
// "DividendYield": null,
// "EBITDA": "802.7M",
// "EPSEstimateCurrentYear": "-0.30",
// "EPSEstimateNextQuarter": "-0.05",
// "EPSEstimateNextYear": "-0.07",
// "EarningsShare": "-1.213",
// "ErrorIndicationreturnedforsymbolchangedinvalid": null,
// "ExDividendDate": "31-May-07",
// "FiftydayMovingAverage": "1.6874",
// "HighLimit": null,
// "HoldingsGain": null,
// "HoldingsGainPercent": "- - -",
// "HoldingsGainPercentRealtime": "N/A - N/A",
// "HoldingsGainRealtime": null,
// "HoldingsValue": null,
// "HoldingsValueRealtime": null,
// "LastTradeDate": "6/27/2013",
// "LastTradePriceOnly": "1.85",
// "LastTradeRealtimeWithTime": "N/A - <b>1.85</b>",
// "LastTradeTime": "4:00pm",
// "LastTradeWithTime": "Jun 27 - <b>1.85</b>",
// "LowLimit": null,
// "MarketCapRealtime": null,
// "MarketCapitalization": "4.202B",
// "MoreInfo": "cnprmIed",
// "Name": "Alcatel-Lucent Co",
// "Notes": null,
// "OneyrTargetPrice": "2.16",
// "Open": "1.81",
// "OrderBookRealtime": null,
// "PEGRatio": "0.22",
// "PERatio": null,
// "PERatioRealtime": null,
// "PercebtChangeFromYearHigh": "-7.96%",
// "PercentChange": "+6.94%",
// "PercentChangeFromFiftydayMovingAverage": "+9.63%",
// "PercentChangeFromTwoHundreddayMovingAverage": "+20.99%",
// "PercentChangeFromYearLow": "+103.30%",
// "PreviousClose": "1.73",
// "PriceBook": "1.39",
// "PriceEPSEstimateCurrentYear": null,
// "PriceEPSEstimateNextYear": null,
// "PricePaid": null,
// "PriceSales": "0.21",
// "SharesOwned": null,
// "ShortRatio": "0.90",
// "StockExchange": "NYSE",
// "Symbol": "ALU",
// "TickerTrend": " +=-=+- ",
// "TradeDate": null,
// "TwoHundreddayMovingAverage": "1.529",
// "Volume": "34193168",
// "YearHigh": "2.01",
// "YearLow": "0.91",
// "YearRange": "0.91 - 2.01",
// "symbol": "ALU"
// },
// {
// "AfterHoursChangeRealtime": "N/A - N/A",
// "AnnualizedGain": null,
// "Ask": "393.45",
// "AskRealtime": "393.45",
// "AverageDailyVolume": "17939600",
// "Bid": "393.32",
// "BidRealtime": "393.32",
// "BookValue": "144.124",
// "Change": "-4.29",
// "ChangeFromFiftydayMovingAverage": "-37.81",
// "ChangeFromTwoHundreddayMovingAverage": "-111.877",
// "ChangeFromYearHigh": "-311.29",
// "ChangeFromYearLow": "+8.68",
// "ChangePercentRealtime": "N/A - -1.08%",
// "ChangeRealtime": "-4.29",
// "Change_PercentChange": "-4.29 - -1.08%",
// "ChangeinPercent": "-1.08%",
// "Commission": null,
// "DaysHigh": "401.39",
// "DaysLow": "393.54",
// "DaysRange": "393.54 - 401.39",
// "DaysRangeRealtime": "N/A - N/A",
// "DaysValueChange": "- - -1.08%",
// "DaysValueChangeRealtime": "N/A - N/A",
// "DividendPayDate": "May 16",
// "DividendShare": "7.95",
// "DividendYield": "2.00",
// "EBITDA": "57.381B",
// "EPSEstimateCurrentYear": "39.57",
// "EPSEstimateNextQuarter": "8.21",
// "EPSEstimateNextYear": "43.71",
// "EarningsShare": "41.896",
// "ErrorIndicationreturnedforsymbolchangedinvalid": null,
// "ExDividendDate": "Feb 7",
// "FiftydayMovingAverage": "431.59",
// "HighLimit": null,
// "HoldingsGain": null,
// "HoldingsGainPercent": "- - -",
// "HoldingsGainPercentRealtime": "N/A - N/A",
// "HoldingsGainRealtime": null,
// "HoldingsValue": null,
// "HoldingsValueRealtime": null,
// "LastTradeDate": "6/27/2013",
// "LastTradePriceOnly": "393.78",
// "LastTradeRealtimeWithTime": "N/A - <b>393.78</b>",
// "LastTradeTime": "4:00pm",
// "LastTradeWithTime": "Jun 27 - <b>393.78</b>",
// "LowLimit": null,
// "MarketCapRealtime": null,
// "MarketCapitalization": "369.6B",
// "MoreInfo": "cnsprmiIed",
// "Name": "Apple Inc.",
// "Notes": null,
// "OneyrTargetPrice": "539.54",
// "Open": "399.01",
// "OrderBookRealtime": null,
// "PEGRatio": "0.48",
// "PERatio": "9.50",
// "PERatioRealtime": null,
// "PercebtChangeFromYearHigh": "-44.15%",
// "PercentChange": "-1.08%",
// "PercentChangeFromFiftydayMovingAverage": "-8.76%",
// "PercentChangeFromTwoHundreddayMovingAverage": "-22.13%",
// "PercentChangeFromYearLow": "+2.25%",
// "PreviousClose": "398.07",
// "PriceBook": "2.76",
// "PriceEPSEstimateCurrentYear": "10.06",
// "PriceEPSEstimateNextYear": "9.11",
// "PricePaid": null,
// "PriceSales": "2.21",
// "SharesOwned": null,
// "ShortRatio": "1.50",
// "StockExchange": "NasdaqNM",
// "Symbol": "AAPL",
// "TickerTrend": " +--=== ",
// "TradeDate": null,
// "TwoHundreddayMovingAverage": "505.657",
// "Volume": "12050007",
// "YearHigh": "705.07",
// "YearLow": "385.10",
// "YearRange": "385.10 - 705.07",
// "symbol": "AAPL"
// }
// ]
// }
// }
// }