final build ready for testing on Pi

stock.py

@@ -5,15 +5,14 @@ from math import ceil
 import numpy as np
 import requests
 from bdfparse import Font
+
 from keys import IEX_TOKEN
-
 from rgbmatrix import RGBMatrix, RGBMatrixOptions, graphics
 
-
 font_file = "matrix\\fonts\\9x15.bdf"
 font = Font(font_file)
 matrix_shape = (16, 32)  # rows, cols
-stocks = ["tsla", "psec", "aapl"]
+symbols = ["tsla", "psec", "aapl"]
 
 
 options = RGBMatrixOptions()
@@ -72,31 +71,6 @@ def symbolData(symbol: str):
     return (message, color)
 
 
-def run(pos):
-    matrix = RGBMatrix(options=options)
-    canvas = matrix.CreateFrameCanvas()
-
-    for row in range(options.rows):
-        for col in range(options.cols):
-            canvas.SetPixel(x, y, 255, 1, 1)
-
-    canvas = matrix.SwapOnVSync(canvas)
-    time.sleep(1)
-
-
-try:
-    print("Press CTRL-C to stop.")
-    pos = 0
-    matrix = stockMatrix(symbols)
-    while True:
-        run(pos)
-        pos += 1
-
-
-except KeyboardInterrupt:
-    sys.exit(0)
-
-
 def matrix_message(message, color, rows):
     message_arr = fit_array(font.word(message), rows)
 
@@ -136,3 +110,33 @@ def fit_array(array, rows, operation="centered", fill_value=0):
     else:
         raise Exception("Invalid Operation. Must be either centered, top, or bottom.")
 
+
+def run(matrix_message):
+    matrix = RGBMatrix(options=options)
+    canvas = matrix.CreateFrameCanvas()
+
+    for row in range(matrix_shape[0]):
+        for col in range(matrix_shape[1]):
+            r = matrix_message[row, col, 0]
+            g = matrix_message[row, col, 1]
+            b = matrix_message[row, col, 2]
+            canvas.SetPixel(row, col, r, g, b)
+
+    canvas = matrix.SwapOnVSync(canvas)
+    time.sleep(1)
+
+
+try:
+    print("Press CTRL-C to stop.")
+
+    matrix = stockMatrix(symbols)
+    while True:
+        run(matrix)
+        matrix = matrix[:, 1:, :]
+        if matrix.shape[1] < matrix_shape[1]:
+            new_matrix = stockMatrix(symbols)
+            matrix = np.concatenate((matrix, new_matrix), axis=1)
+
+
+except KeyboardInterrupt:
+    sys.exit(0)