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fearandgreed.py
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#! /usr/bin/env python3
from PIL import ImageColor
from datetime import datetime
from vicariouspanel import NodeyezPanel
import glob
import json
import math
import os
import sys
import vicariousnetwork
import vicarioustext
class FearAndGreedPanel(NodeyezPanel):
def __init__(self):
"""Instantiates a new Fear and Greed panel"""
# Define which additional attributes we have
self.configAttributes = {
# legacy key name mappings
"colorAttribution": "attributionColor",
"colorBackground": "backgroundColor",
"colorDataValue": "dataValueColor",
"colorGraphLineDark": "graphLineDarkColor",
"colorGraphLineLight": "graphLineLightColor",
"colorMovingAverage": "movingAverageColor",
"colorTextFG": "textColor",
"sleepInterval": "interval",
# panel specific key names
"attributionColor": "attributionColor",
"dataValueColor": "dataValueColor",
"graphLineDarkColor": "graphLineDarkColor",
"graphLineLightColor": "graphLineLightColor",
"movingAverageColor": "movingAverageColor",
"url": "url",
"useTor": "useTor",
}
# Define our defaults (all panel specific key names should be listed)
self._defaultattr("attributionColor", "#aa2222")
self._defaultattr("dataValueColor", "#ff7f00")
self._defaultattr("graphLineDarkColor", "#606060")
self._defaultattr("graphLineLightColor", "#a0a0a0")
self._defaultattr("headerText", "Fear and Greed Index")
self._defaultattr("interval", 43200)
self._defaultattr("movingAverageColor", "#40ff40")
self._defaultattr("url", "https://api.alternative.me/fng/?limit=0&format=json&date_format=cn")
self._defaultattr("useTor", True)
self._defaultattr("watermarkAnchor", "bottom")
# Initialize
super().__init__(name="fearandgreed")
def fetchData(self):
"""Fetches all the data needed for this panel"""
self.fngHistory = self._getfngHistory()
def _getnewestfngfile(self, fileDirectory):
# Restrict the glob pattern to just today
globpath = fileDirectory + datetime.utcnow().strftime("%Y-%m-%d") + "*.json"
files = glob.glob(globpath)
# find the most recently created from the files returned
newestfile = ""
if len(files) > 0:
newestfile = max(files, key=os.path.getctime)
return newestfile
def _getfngHistory(self):
fearAndGreedDataDirectory = f"{self.dataDirectory}fearandgreed/"
try:
# Get reference to newest file
fngfile = self._getnewestfngfile(fearAndGreedDataDirectory)
print(f"newest fngfile: {fngfile}")
if len(fngfile) == 0:
# If dont yet have a file, download and save one
fngfile = fearAndGreedDataDirectory + datetime.utcnow().strftime("%Y-%m-%d-%H") + ".json"
print(f"Retrieving data from url: {self.url}, and will save to {fngfile}")
vicariousnetwork.getandsavefile(url=self.url, savetofile=fngfile)
# Open the file
print(f"Loading data from {fngfile}")
with open(fngfile) as f:
# Load data as JSON
filedata = json.load(f)
return filedata
except Exception as e:
print(f"Error loading Fear and Greed data: {e}")
print(f"Using fake data")
return {"data":[{"value":"50","value_classification":"Neutral","timestamp":"0","time_until_update":"0"}]}
def run(self):
super().startImage()
infoHeight = self.getInsetHeight() * .3
chartHeight = self.getInsetHeight() * .7
fngValueSize = int(self.height * 48/320)
fngLabelSize = int(self.height * 20/320)
labelSize = int(self.height * 12/320)
attributionSize = int(self.height * 14/320)
# FNG History
labelWidth = 40
graphBuffer = 3
chartTop = self.getInsetTop() + self.getInsetHeight() - chartHeight + 12
chartLeft = labelWidth + graphBuffer
chartRight = self.width - graphBuffer
chartBottom = self.getInsetTop() + self.getInsetHeight() - graphBuffer
# - chart border
self.draw.line(xy=[chartLeft, chartTop, chartLeft, chartBottom],fill=ImageColor.getrgb(self.graphLineLightColor),width=1)
self.draw.line(xy=[chartLeft, chartBottom, chartRight, chartBottom],fill=ImageColor.getrgb(self.graphLineLightColor),width=1)
self.draw.line(xy=[chartLeft, chartTop, chartRight, chartTop],fill=ImageColor.getrgb(self.graphLineDarkColor),width=1)
self.draw.line(xy=[chartRight, chartTop, chartRight, chartBottom],fill=ImageColor.getrgb(self.graphLineDarkColor),width=1)
# - dashed line background
chart100 = int(math.floor(chartTop))
chart80 = int(math.floor(chartTop + ((chartBottom - chartTop)/5*1)))
chart60 = int(math.floor(chartTop + ((chartBottom - chartTop)/5*2)))
chart40 = int(math.floor(chartTop + ((chartBottom - chartTop)/5*3)))
chart20 = int(math.floor(chartTop + ((chartBottom - chartTop)/5*4)))
chart0 = int(math.floor(chartTop + ((chartBottom - chartTop))))
for i in range(chartLeft, chartRight, 10):
self.draw.line(xy=[i,chart20,i+1,chart20],fill=ImageColor.getrgb(self.graphLineDarkColor),width=1)
self.draw.line(xy=[i,chart40,i+1,chart40],fill=ImageColor.getrgb(self.graphLineDarkColor),width=1)
self.draw.line(xy=[i,chart60,i+1,chart60],fill=ImageColor.getrgb(self.graphLineDarkColor),width=1)
self.draw.line(xy=[i,chart80,i+1,chart80],fill=ImageColor.getrgb(self.graphLineDarkColor),width=1)
# - left labels
vicarioustext.drawrighttext(self.draw, "100%", labelSize, labelWidth, chart100, ImageColor.getrgb(self.textColor))
vicarioustext.drawrighttext(self.draw, "80%", labelSize, labelWidth, chart80, ImageColor.getrgb(self.textColor))
vicarioustext.drawrighttext(self.draw, "60%", labelSize, labelWidth, chart60, ImageColor.getrgb(self.textColor))
vicarioustext.drawrighttext(self.draw, "40%", labelSize, labelWidth, chart40, ImageColor.getrgb(self.textColor))
vicarioustext.drawrighttext(self.draw, "20%", labelSize, labelWidth, chart20, ImageColor.getrgb(self.textColor))
vicarioustext.drawrighttext(self.draw, "0%", labelSize, labelWidth, chart0, ImageColor.getrgb(self.textColor))
# - data plot
highestPercent = 0.0
highestXPos = 0
highestYPos = 0
entryNum = 0
plotBuf = 1
xBuf = 0
yBuf = 0
fngLength = len(self.fngHistory["data"])
oldMovingAverageXPos = -1
oldMovingAverageYPos = -1
oldDateLabel = ""
for entry in self.fngHistory["data"]:
# current data point
entryNum = entryNum + 1
fngPercent = entry["value"]
xPos = chartRight - (entryNum * plotBuf)
yPos = chartBottom - int(math.floor((chartBottom-chartTop) / 100.0 * float(fngPercent)))
if float(fngPercent) > highestPercent:
highestPercent = float(fngPercent)
highestXPos = xPos
highestYPos = yPos
if ((xBuf+xPos-plotBuf) <= chartLeft):
break
self.draw.ellipse(xy=[(xBuf+xPos-plotBuf,yBuf+yPos-plotBuf),(xBuf+xPos+plotBuf,yBuf+yPos+plotBuf)],fill=ImageColor.getrgb(self.dataValueColor),outline=ImageColor.getrgb(self.dataValueColor),width=1)
# tick mark label
fngTimestamp = entry["timestamp"]
dateLabel = oldDateLabel
if "-" in fngTimestamp:
dateYear = fngTimestamp[0:4]
dateMonth = fngTimestamp[5:7]
dateDay = fngTimestamp[8:10]
if int(dateMonth) % 3 == 1:
if int(dateDay) == 1:
dateLabel = fngTimestamp[0:7]
else:
dateObject = datetime.fromtimestamp(int(fngTimestamp))
if ((dateObject.month % 3) == 1):
if (dateObject.day == 1):
dateLabel = str(dateObject.year) + "-" + str(dateObject.month).rjust(2,'0')
if oldDateLabel != dateLabel:
lw,lh,lf = vicarioustext.gettextdimensions(self.draw, dateLabel, labelSize, False)
self.draw.line(xy=[xPos,chartTop,xPos,chartBottom],fill=ImageColor.getrgb(self.graphLineDarkColor),width=1)
if (xPos + graphBuffer + lw < chartRight):
vicarioustext.drawbottomlefttext(self.draw, dateLabel, labelSize, xPos + 1, chartBottom, ImageColor.getrgb(self.graphLineLightColor), False)
oldDateLabel = dateLabel
# moving average calculation (14 points = 7 day)
movingAverageSize = 14
movingAverageTotal = 0
for movingAverageEntry in range(movingAverageSize):
movingAverageIndex = entryNum - 1 + movingAverageEntry
if (movingAverageIndex >= 0) and (movingAverageIndex < fngLength):
movingAverageEntryValue = self.fngHistory["data"][movingAverageIndex]["value"]
movingAverageEntryPercent = int(movingAverageEntryValue)
movingAverageTotal = movingAverageTotal + movingAverageEntryPercent
movingAveragePercent = float(movingAverageTotal) / float(movingAverageSize)
yPos = chartBottom - int(math.floor((chartBottom-chartTop) / 100.0 * movingAveragePercent))
if oldMovingAverageXPos != -1:
self.draw.line(xy=[(xPos,yPos),(oldMovingAverageXPos,oldMovingAverageYPos)],fill=ImageColor.getrgb(self.movingAverageColor),width=2)
oldMovingAverageXPos = xPos
oldMovingAverageYPos = yPos
# Info
currentvalue = "50"
currentlabel = "Neutral"
if fngLength > 0:
currentvalue = self.fngHistory["data"][0]["value"]
currentlabel = self.fngHistory["data"][0]["value_classification"]
# indicate highest alue
if highestXPos > float(self.width/2):
# anchor bottom right
self.draw.rectangle([(highestXPos-((labelSize*4)+2),highestYPos-(labelSize*1.5)-2),(highestXPos,highestYPos-2)], outline=ImageColor.getrgb(self.graphLineLightColor), fill=ImageColor.getrgb(self.backgroundColor))
vicarioustext.drawcenteredtext(self.draw, str(int(highestPercent)), labelSize, highestXPos-((labelSize*2)+1), highestYPos-(labelSize-1), ImageColor.getrgb(self.dataValueColor))
else:
# anchor bottom left
self.draw.rectangle([(highestXPos+((labelSize*4)+2),highestYPos-(labelSize*1.5)-2),(highestXPos,highestYPos-2)], outline=ImageColor.getrgb(self.graphLineLightColor), fill=ImageColor.getrgb(self.backgroundColor))
vicarioustext.drawcenteredtext(self.draw, str(int(highestPercent)), labelSize, highestXPos+((labelSize*2)+1), highestYPos-(labelSize-1), ImageColor.getrgb(self.dataValueColor))
print(f"Current Value: {currentvalue} - {currentlabel}")
vicarioustext.drawcenteredtext(self.draw, currentvalue, fngValueSize, self.width//2, (self.getInsetTop() + (1*infoHeight//3)), ImageColor.getrgb(self.dataValueColor), True)
vicarioustext.drawcenteredtext(self.draw, currentlabel, fngLabelSize, self.width//2, (self.getInsetTop() + (2*infoHeight//3)), ImageColor.getrgb(self.dataValueColor), True)
# Attribution
attributionLine = "Data from alternative.me"
vicarioustext.drawbottomlefttext(self.draw, attributionLine, attributionSize, 0, self.height, ImageColor.getrgb(self.attributionColor))
super().finishImage()
# --------------------------------------------------------------------------------------
# Entry point if running this script directly
# --------------------------------------------------------------------------------------
if __name__ == '__main__':
p = FearAndGreedPanel()
# If arguments were passed in, treat as a single run
if len(sys.argv) > 1:
if sys.argv[1] in ['-h','--help']:
print(f"Prepares images for Fear and Greed charting")
print(f"Usage:")
print(f"1) Call without arguments to run continuously using the configuration or defaults")
print(f"2) Passing any arguments other then -h or --help will run once and exit")
else:
p.fetchData()
p.run()
exit(0)
# Continuous run
p.runContinuous()