Create .env for config

pyleds/lib/Config.py

@@ -0,0 +1,36 @@
+from dotenv import dotenv_values
+
+
+def populate_values(load: {}):
+    conf = load
+    conf['IS_DEV']: bool = str.lower(load['ENVIRONMENT']) == 'dev'
+    conf['USE_EMULATOR']: bool = str.lower(load['USE_EMULATOR']) == 'true'
+    conf['BIND_PORT']: int = int(load['BIND_PORT'])
+
+    conf['STRIP_PIXELS']: int = int(load['STRIP_PIXELS'])
+    conf['STRIP_GPIO_PIN']: int = int(load['STRIP_GPIO_PIN'])
+    conf['STRIP_HZ']: int = int(load['STRIP_HZ'])
+    conf['STRIP_DMA']: int = int(load['STRIP_DMA'])
+    conf['STRIP_INVERT']: bool = str.lower(load['STRIP_INVERT']) == 'true'
+    conf['STRIP_BRIGHTNESS']: int = int(load['STRIP_BRIGHTNESS'])
+    conf['STRIP_CHANNEL']: int = int(load['STRIP_CHANNEL'])
+    conf['STRIP_TYPE']: int = int(load['STRIP_TYPE'])
+
+    conf['REGIONS']: [] = [int(x) for x in load['REGIONS'].split(',')]
+    conf['BPM_DEFAULT']: int = int(load['BPM_DEFAULT'])
+
+    return conf
+
+
+class Config(object):
+    _config: {} = {}
+
+    def __init__(self):
+        load_conf = {
+            **dotenv_values(".env.defaults"),
+            **dotenv_values(".env"),
+        }
+        self._config = populate_values(load_conf)
+
+    def get(self, key: str):
+        return self._config[key]

pyleds/lib/Litsimaja.py

@@ -1,6 +1,4 @@
-from rpi_ws281x import PixelStrip
-# from lib.strip.WindowStrip import WindowStrip
-# from lib.strip.TkinterStrip import TkinterStrip
+from lib.Config import Config
 from lib.LoopSwitch import LoopSwitch
 from lib.Regions import Regions
 from lib.Tempo import Tempo
@@ -8,11 +6,24 @@ from lib.Tempo import Tempo
 
 class Litsimaja(object):
     def __init__(self):
-        self._strip = PixelStrip(290, 18, 800000, 10, False, 255, 0, 4104)
+        self._config = Config()
+        if self.conf('USE_EMULATOR'):
+            module = __import__('lib.strip.TkinterStrip', None, None, ['TkinterStrip'])
+            class_name = 'TkinterStrip'
+        else:
+            module = __import__('rpi_ws281x', None, None, ['PixelStrip'])
+            class_name = 'PixelStrip'
+
+        loaded_class = getattr(module, class_name)
+        self._strip = loaded_class(
+            self.conf('STRIP_PIXELS'), self.conf('STRIP_GPIO_PIN'), self.conf('STRIP_HZ'), self.conf('STRIP_DMA'),
+            self.conf('STRIP_INVERT'), self.conf('STRIP_BRIGHTNESS'), self.conf('STRIP_CHANNEL'),
+            self.conf('STRIP_TYPE')
+        )
         self._loops = []
         self._strip.begin()
-        self._regions: Regions = Regions(self.count_pixels(), [46, 96, 191, 241])
-        self._tempo: Tempo = Tempo(60)
+        self._regions: Regions = Regions(self.count_pixels(), self.conf('REGIONS'))
+        self._tempo: Tempo = Tempo(self.conf('BPM_DEFAULT'))
         self._selected_program = None
 
     def count_pixels(self) -> int:
@@ -62,6 +73,9 @@ class Litsimaja(object):
 
     def get_tempo(self):
         return self._tempo
-    
+
     def set_selected_program(self, program_name: str):
         self._selected_program = program_name
+
+    def conf(self, key: str):
+        return self._config.get(key)