cleanup

apps/lines.py

@@ -1,11 +1,10 @@
 #!/usr/bin/env python3
 
-import os
-import sys
-import random 
-import time
-import random
 import colorsys
+import os
+import random
+import sys
+import time
 
 Nx = int(sys.argv[1])
 Ny = int(sys.argv[2])
@@ -13,12 +12,12 @@ Ny = int(sys.argv[2])
 PixelsPerFrame = 20
 NumLines = 7
 LineGenerationRate = 0.2
-time_ms = 20
 try:
     time_ms = int(sys.argv[3])
 except:
-    pass
-buffer = bytearray(b"\x00" * (3 * Nx * Ny))
+    time_ms = 20
+buffer = bytearray(3 * Nx * Ny)
+
 
 def SetPixel(x, y, r, g, b):
     idx = x + Nx * y
@@ -58,8 +57,10 @@ class Line:
             self.posy -= 1
 
     def alive(self):
-        return self.posx >= 0 and self.posx < Nx and self.posy >= 0 and self.posy < Ny
+        return 0 <= self.posx < Nx and 0 <= self.posy < Ny
 
+
+def main():
     lines = []
     while True:
         for i in range(PixelsPerFrame):
@@ -79,3 +80,6 @@ while True:
         os.write(1, buffer)
         time.sleep(time_ms * 0.001)
 
+
+if __name__ == '__main__':
+    main()

html/index.html

@@ -77,14 +77,14 @@
 <h1 style="text-align: center;">Andreas <i>production-ready</i> Interface</h1>
 <div class="main">
     <div class="col">
-        <h2>Kommando:</h2>
-        <form id="in" class="just" onSubmit="return request()">
+        <h2><label for="list">Kommando:</label></h2>
+        <form id="in" class="" onSubmit="return request()">
             <select id="list"></select>
             <input id="args"/>
             <button id="execute">Ausführen</button>
         </form>
 
-        <h2>Intensität:</h2>
+        <h2><label for="brightness">Intensität:</label></h2>
         <form id="brightnessform" class="just" onSubmit="return setbrightness()">
             <input id="brightness" value="1.0"><br/>
             <button id="sendbrightness">Setzen</button>
@@ -107,13 +107,13 @@
             <button id="sendflip">Setzen</button>
         </form>
 
-        <h2>Filterimage:</h2>
+        <h2><label for="filtername">Filterimage:</label></h2>
         <form id="filterform" class="just" onSubmit="return setFilter()">
             <input id="filtername" value="test">
             <button id="filterflip">Setzen</button>
         </form>
 
-        <h2>Filter expression:</h2>
+        <h2><label for="filterexpr">Filter expression:</label></h2>
         <form id="filterexprform" class="just" onSubmit="return setFilterExpr()">
             <input id="filterexpr" value="0.5+0.25*sin(x/3+t)">
             <button>Setzen</button>