first functional version of the stock ticker

README.md

@@ -1,2 +1,17 @@
 # Raspberry Pi Stock Ticker
 
+## Setup Instructions
+
+Install dietpi normally
+
+```bash
+    git clone https://github.com/hzeller/rpi-rgb-led-matrix.git
+    cd ./rpi-rgb-led-matrix/
+    sudo apt-get update && sudo apt-get install python3-dev git pip build-essential -y
+    make build-python PYTHON=python3
+    sudo make install-python PYTHON=python3
+    cd ./bindings/python/samples/
+    wget https://gitlab.com/snippets/1874042/raw -O stock.py
+    pip3 install requests==2.22.0
+    sudo python3 ./stock.py
+```

stock.py

@@ -0,0 +1,74 @@
+# Display a runtext with double-buffering.
+from rgbmatrix import graphics, RGBMatrix, RGBMatrixOptions
+import time
+import sys
+import requests
+
+options = RGBMatrixOptions()
+options.rows = 16
+options.cols = 32
+options.chain_length = 1
+options.parallel = 1
+options.hardware_mapping = "regular"
+
+
+def symbolData(symbol: str):
+    """
+    Takes a list of symbol and returns a dictionary of strings with information about the symbol.
+    """
+    IEX_TOKEN = "TOKEN HERE"
+    IEXurl = "https://cloud.iexapis.com/stable/stock/{symbol}/quote?token={IEX}".format(
+        symbol=symbol, IEX=IEX_TOKEN
+    )
+
+    response = requests.get(IEXurl)
+    if response.status_code is 200:
+        IEXData = response.json()
+        message = "The current stock price of {name} is $**{price}**".format(
+            name=IEXData["companyName"], price=IEXData["latestPrice"]
+        )
+
+        # Determine wording of change text
+        change = round(IEXData["changePercent"] * 100, 2)
+        if change > 0:
+            message += ", the stock is currently **up {change}%**".format(change=change)
+        elif change < 0:
+            message += ", the stock is currently **down {change}%**".format(
+                change=change
+            )
+        else:
+            message += ", the stock hasn't shown any movement today."
+    else:
+        message = "The symbol: {symbol} was not found.".format(symbol=symbol)
+
+    return message
+
+
+def run():
+    matrix = RGBMatrix(options=options)
+    offscreen_canvas = matrix.CreateFrameCanvas()
+    font = graphics.Font()
+    font.LoadFont("../../../fonts/7x13.bdf")
+    textColor = graphics.Color(255, 255, 0)
+    pos = offscreen_canvas.width
+    my_text = "loading"
+
+    while True:
+        offscreen_canvas.Clear()
+        len = graphics.DrawText(offscreen_canvas, font, pos, 10, textColor, my_text)
+        pos -= 1
+        if pos + len < 0:
+            my_text = symbolData("tsla")
+            pos = offscreen_canvas.width
+
+        time.sleep(0.05)
+        offscreen_canvas = matrix.SwapOnVSync(offscreen_canvas)
+
+
+try:
+    print("Press CTRL-C to stop.")
+    while True:
+        run()
+except KeyboardInterrupt:
+    sys.exit(0)
+