advanced nickname config

pycardium/modules/py/nicknname.py

 import display
+import ujson
 import os
 
 FILENAME = 'nickname.txt'
 FILENAME_ADV = 'nickname.json'
 
 
-def write_nick(title, sub='', fg=None, bg=None):
+def write_nick(title, sub='', fg=None, bg=None, fg_sub=None, bg_sub=None):
     posy = 30
     if sub != '':
         posy = 18
     with display.open() as disp:
         disp.print(title, fg=fg, bg=bg, posx=80 - round(len(title) / 2 * 14), posy=posy)
         if sub != '':
-            disp.print(sub, fg=fg, bg=bg, posx=80 - round(len(sub) / 2 * 14), posy=42)
+            disp.print(sub, fg=fg_sub, bg=bg_sub, posx=80 - round(len(sub) / 2 * 14), posy=42)
         disp.update()
         disp.close()
 
 
+def get_key(json, key, default):
+    try:
+        return json[key]
+    except KeyError:
+        return default
+
+
 with display.open() as disp:
     disp.clear().update()
 
+if FILENAME_ADV in os.listdir("."):
+    f = open(FILENAME_ADV, 'r')
+    try:
+        c = ujson.loads(f.read())
+        f.close()
+        nick = get_key(c, 'nickname', 'no nick')
+        sub = get_key(c, 'subtitle', '')
+        fg_color = get_key(c, 'fg_color', [255, 255, 255])
+        bg_color = get_key(c, 'bg_color', [0, 0, 0])
+        fg_sub_color = get_key(c, 'fg_sub_color', [255, 255, 255])
+        bg_sub_color = get_key(c, 'bg_sub_color', [0, 0, 0])
+        background = get_key(c, 'background', [0, 0, 0])
+        with display.open() as disp:
+            disp.rect(0, 0, 160, 80, filled=True)
+        write_nick(nick, sub, fg=fg_color, bg=bg_color, fg_sub=fg_sub_color, bg_sub=bg_sub_color)
+    except ValueError:
+        write_nick('invalid', sub='json')
+else:
     if FILENAME not in os.listdir("."):
         write_nick('file not', sub='found')
     else:
         f = open(FILENAME, 'r')
         nick = f.read()
+        f.close()
         if len(nick) > 11:
             write_nick('name too', sub='long')
         else: