code tidied up, redundant api calls removed and real time brightness and speed controls added

server.py

@@ -30,7 +30,7 @@ ALLOWED_EXTENSIONS = {'csv', 'png'}
 #ticker.stdin.write(b'from server')
 #print(ticker.stdout.readlines())
 #(output, errs)
-child = pexpect.spawn("sudo -E python3 stockTicker.py")
+ticker = pexpect.spawn("sudo -E python3 stockTicker.py")
 
 #stock_ticker = StockTicker()
 
@@ -89,9 +89,20 @@ def Speed():
     global speedTime
     speedTime = request.form['text']
     print(speedTime)
+    ticker.sendline(speedTime)
     global LastCommand
     LastCommand = 'Change Speed'
     return hello()
+    
+@app.route("/Brightness", methods=['POST'])
+def Brightness():
+    global brightness
+    brightness = request.form['text']
+    print(brightness)
+    ticker.sendline(brightness)
+    global LastCommand
+    LastCommand = 'Change Brightness'
+    return hello()
 
 @app.route("/Ticker", methods=['POST'])
 def Ticker():
@@ -143,7 +154,7 @@ def matrix():
         #child.sendline('sent from server')
         
         #process = Popen(["sudo", "-E",  "python3",  "stockTicker.py"], stdin=PIPE, stdout=PIPE, stderr=PIPE)
-        child.sendline('S')
+        ticker.sendline('S')
         
         print('back in flask')
         
@@ -155,7 +166,7 @@ def matrix():
         try:
             #stock_ticker.stopStockTicker()
             LastCommand = 'Stop display at next checkpoint'
-            child.sendline('K')
+            ticker.sendline('K')
         except:
             print("none running")
    elif "Shutdown the pi" in request.form: