363 lines
13 KiB
Python
363 lines
13 KiB
Python
# Copyright (C) 2020 Daniel Richardson richardson.daniel@hotmail.co.uk
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#
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# This file is part of stockTicker project for justinodunn.
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#
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# stockTicker can not be copied and/or distributed without the express
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# permission of Daniel Richardson
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import sys, select
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import os
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import threading
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from PIL import Image, ImageDraw, ImageFont
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import time
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import csv
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import requests
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from rgbmatrix import RGBMatrix, RGBMatrixOptions
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import finnhub
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def getInput(Block=False):
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if Block or select.select([sys.stdin], [], [], 0) == ([sys.stdin], [], []):
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msg = sys.stdin.read(1)
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#sys.stdin.flush()
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else:
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msg = ''
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return msg
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class StockTicker():
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def __init__(self):
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#Define global resources
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self.symbols = []
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self.ApiKey = "c24qddqad3ickpckgg80"
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self.SandboxApiKey = "sandbox_c24qddqad3ickpckgg8g"
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self.greenORred = (255, 255, 255)
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#self.blank = Image.open('logos/blank.png')
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self.blank = Image.new('RGB', (0, 32))
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self.running = True
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self.brightness = 1.0
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self.delay = 0.02
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# Configuration for the matrix
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options = RGBMatrixOptions()
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options.rows = 32
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options.cols = 64
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options.chain_length = 2
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options.parallel = 1
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options.hardware_mapping = 'adafruit-hat' # If you have an Adafruit HAT: 'adafruit-hat'
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options.gpio_slowdown = 3
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self.matrix = RGBMatrix(options = options)
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self.finnhubClient = finnhub.Client(api_key=self.ApiKey)
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def openImage(self, image_file):
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image = Image.open(image_file)
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# Make image fit our screen.
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#image.thumbnail((self.matrix.width, self.matrix.height), Image.ANTIALIAS)
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image = image.convert('RGB')
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return image
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def setImage(self, image, offset_x = 0, offset_y = 0, unsafe=False):
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if (image.mode != "RGB"):
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raise Exception("Currently, only RGB mode is supported for SetImage(). Please create images with mode 'RGB' or convert first with image = image.convert('RGB'). Pull requests to support more modes natively are also welcome :)")
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if unsafe:
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#In unsafe mode we directly acceshow to send commands to running python processs the underlying PIL image array
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#in cython, which is considered unsafe pointer accecss,
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#however it's super fast and seems to work fine
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#https://groups.google.com/forum/#!topic/cython-users/Dc1ft5W6KM4
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img_width, img_height = image.size
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print('args', img_width, img_height, offset_x, offset_y, image)
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self.matrix.SetPixelsPillow(offset_x, offset_y, img_width, img_height, image)
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else:
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# First implementation of a SetImage(). OPTIMIZE_ME: A more native
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# implementation that directly reads the buffer and calls the underlying
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# C functions can certainly be faster.
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img_width, img_height = image.size
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pixels = image.load()
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for x in range(max(0, -offset_x), min(img_width, self.matrix.width - offset_x)):
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for y in range(max(0, -offset_y), min(img_height, self.matrix.height - offset_y)):
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(r, g, b) = pixels[x, y]
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self.matrix.SetPixel(x + offset_x, y + offset_y, r*self.brightness, g*self.brightness, b*self.brightness)
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def scrollImage(self, image_file, offset_x = 0, offset_y = 0):
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image = self.openImage(image_file)
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img_width, img_height = image.size
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print(offset_x, offset_y)
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while offset_x > -img_width:
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offset_x -= 1
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self.setImage(image, offset_x = offset_x, offset_y = offset_y)
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time.sleep(delay)
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def scrollImageTransition(self, image_files, offset_x = 0, offset_y = 0):
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# use two image files and switch between them with a seemless transition
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current_img = 1
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while True:
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if current_img == 1:
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image = self.openImage(image_files[0])
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elif current_img == 2:
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image = self.openImage(image_files[1])
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img_width, img_height = image.size
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while offset_x > -img_width:
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offset_x -= 1
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self.setImage(image, offset_x = offset_x, offset_y = offset_y)
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time.sleep(self.delay)
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try:
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msg = getInput()
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if msg == 'K':
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self.resetMatrix()
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break
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elif msg == 's':
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stock_ticker.delay = 0.03
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elif msg == 'm':
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stock_ticker.delay = 0.01
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elif msg == 'f':
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stock_ticker.delay = 0.005
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elif msg in ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']:
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self.brightness = min(1.0, float(msg)/10 + 0.1)
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except KeyboardInterrupt:
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sys.stdout.flush()
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pass
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if current_img == 1:
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current_img = 2
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elif current_img == 2:
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current_img = 1
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offset_x = 0
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#Get the logo from file that is the same as ticker name
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def getLogo(self, Ticker):
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logos_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'logos')
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try:
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Logo = Image.open(os.path.join(logos_path, Ticker + '.png'))
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except:
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print('Could not find logo for: ' + Ticker + ' using default')
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Logo = Image.open(os.path.join(logos_path, 'default.png'))
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return Logo
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#Using change between min and day price give appropriate arrow
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#and set the overall change colour
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def getArrow(self, CHANGE):
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self.greenORred
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logos_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'logos')
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if(CHANGE>0):
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Arrow = Image.open(os.path.join(logos_path, 'up.png'))
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self.greenORred = (0, 255, 0)
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return Arrow, CHANGE
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Arrow = Image.open(os.path.join(logos_path, 'down.png'))
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self.greenORred = (255, 0, 0)
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CHANGE = (CHANGE * -1)
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return Arrow, CHANGE
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def get_text_dimensions(self, text_string, font):
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canvas = Image.new('RGB', (100,100))
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draw = ImageDraw.Draw(canvas)
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monospace = font
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text = text_string
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white = (255,255,255)
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draw.text((10, 10), text, font=monospace, fill=white)
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bbox = canvas.getbbox()
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width = bbox[2]-bbox[0]
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height = bbox[3]-bbox[1]
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return width,height
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#Draw Ticker, current and change onto one image
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def textToImage(self, TICKER, CURRENT, CHANGE, ARROW):
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font = ImageFont.load("./fonts/10x20.pil")
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img = Image.new('RGB', (150, 32))
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d = ImageDraw.Draw(img)
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d.text((4, 0), TICKER, fill=(255, 255, 255), font=font)
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d.text((4, 16), CURRENT, fill=self.greenORred, font=font)
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text_width_current, text_height = self.get_text_dimensions(CURRENT, font)
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img.paste(ARROW, ((text_width_current + 9),18))
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d.text(((text_width_current+29), 16), CHANGE, fill=self.greenORred, font=font)
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text_width_change, text_height = self.get_text_dimensions(CHANGE, font)
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newWidth = (text_width_current+29) + (text_width_change)
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img.crop((0,0,newWidth,32))
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return img
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#Stitch the logo & prices picture into one image
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def stitchImage(self, image_list):
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widths, heights = zip(*(i.size for i in image_list))
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total_width = sum(widths)
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max_height = max(heights)
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new_im = Image.new('RGB', (total_width, max_height))
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x_offset = 0
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for im in image_list:
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new_im.paste(im, (x_offset,0))
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x_offset += im.size[0]
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print('width:', im.size[0])
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return new_im
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#Get current prices and day prices for the ticker then format the response into an array
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def getStockPrices(self, symbols):
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apiCalledError = False
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stock_info = []
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try:
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quotes = [self.finnhubClient.quote(symbol) for symbol in symbols]
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current_prices = [quote['c'] for quote in quotes]
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opening_prices = [quote['o'] for quote in quotes]
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for i, symbol in enumerate(symbols):
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stock_info.append([symbol, current_prices[i], opening_prices[i]])
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except Exception as e:
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print("Could not fetch data - API CALLS REACHED? - Will display old image")
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print(e)
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apiCalledError = True
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return stock_info, apiCalledError
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def resetMatrix(self):
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for x in range(self.matrix.width):
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for y in range(self.matrix.height):
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self.matrix.SetPixel(x , y , 0,0,0)
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#Connect all the pieces togeather creating 1 long final stock image
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def getFullStockImage(self):
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image_list = []
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start = time.time()
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stock_info, apiCalledError = self.getStockPrices(self.symbols)
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if (apiCalledError == False):
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for i in range(len(stock_info)):
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change = float(stock_info[i][1])-float(stock_info[i][2]) #TEXT
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ticker = stock_info[i][0] #TEXT
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current = '%.2f' % float(stock_info[i][1]) #TEXT
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logo = self.getLogo(stock_info[i][0])
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arrow, change = self.getArrow(change)
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change = '%.2f' % change
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midFrame = self.textToImage(ticker, current, change, arrow) #IMAGE THE TEXT
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stitchedStock = self.stitchImage([logo,midFrame])
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image_list.append(self.blank)
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image_list.append(stitchedStock)
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print('elapsed time loop ended: ' + str((time.time()-start)))
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if (apiCalledError == False):
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finalDisplayImage = self.stitchImage(image_list)
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finalDisplayImage.save('final.ppm')
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#Send the final stitched image to the display for set amount of time
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def displayMatrix(self):
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#os.system("sudo ./demo -D1 final.ppm -t " + str(displayTime) +" -m "+ str(speedDisplay) +" --led-gpio-mapping=adafruit-hat --led-rows=32 --led-cols=256")
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#os.system("sudo ./demo -D1 final.ppm -t " + str(self.displayTime) +" -m "+ str(self.speedDisplay) +" --led-gpio-mapping=adafruit-hat --led-rows=64 --led-cols=64 --led-slowdown-gpio=4 ")
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self.scrollImageTransition(['final.ppm', 'final.ppm'], offset_x = 0, offset_y = 0)
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#Retrieve symbols from the CSV file
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def getSymbols(self):
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self.symbols = []
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CSV = csv.reader(open('csv/tickers.csv', 'r'))
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for row in CSV:
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print(row)
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self.symbols.append(row[0])
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print(self.symbols)
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#Main run definition called by server
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def runStockTicker(self, runtime, delay, speedtime):
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self.getSymbols()
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self.GetfullStockImage()
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self.keySwapper += 1
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self.running = True
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while (True):
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if (self.running == True):
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#th = threading.Thread(target=self.displayMatrix)
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#th.start()
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self.displayMatrix()
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time.sleep((int(runtime) - int(delay)))
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self.getfullStockImage()
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#th.join()
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else:
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break;
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#Change running to false stopping refresh at next checkpoint
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def stopStockTicker(self):
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self.keySwapper = 0
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self.running = False
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print('MATRIX DISPLAY STOP CALLED')
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if __name__ == '__main__':
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#print(sys.stdin.readlines())
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stock_ticker = StockTicker()
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stock_ticker.getSymbols()
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#stock_ticker.getFullStockImage()
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#stock_ticker.displayMatrix()
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while True:
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msg = getInput()
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if msg == 'S':
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stock_ticker.getFullStockImage()
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stock_ticker.displayMatrix()
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elif msg == 's':
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stock_ticker.delay = 0.03
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elif msg == 'm':
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stock_ticker.delay = 0.01
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elif msg == 'f':
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stock_ticker.delay = 0.005
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elif msg in ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']:
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stock_ticker.brightness = min(1.0, float(msg)/10 + 0.1)
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