adding support for circuitpython neopixel library, linted

IO_House_Series/Security/io_home_security.py

@@ -13,28 +13,32 @@ Dependencies:
         (https://github.com/adafruit/Adafruit_Blinka)
     - Adafruit_CircuitPython_SGP30
         (https://github.com/adafruit/Adafruit_CircuitPython_SGP30)
+    - Adafruit_CircuitPython_NeoPixel
+        (https://github.com/adafruit/Adafruit_CircuitPython_NeoPixel)
     - picamera
+        (https://github.com/waveform80/picamera)
 """
 # Import standard python modules
 import time
 import base64
-import os
 # import Adafruit IO REST client
-from Adafruit_IO import Client, Feed, RequestError
+from Adafruit_IO import Client, RequestError
+
+# import SGP30, NeoPixel and picam libraries
+import neopixel
+import adafruit_sgp30
+import picamera
 
 # import Adafruit Blinka
 from board import SCL, SDA, D18, D22, D24
 from busio import I2C
 import digitalio
-import neopixel_write
 
-# import Adafruit_CircuitPython_SGP30 and picam
-import adafruit_sgp30
-import picamera
-
-# NeoPixels Commands
-PIXELS_OFF = bytearray([0, 0, 0])
-PIXELS_ON = bytearray([0, 255, 0])
+# Number of NeoPixels connected to the strip
+NUM_PIXELS_STRIP = 60
+# Number of NeoPixels connected to the NeoPixel Jewel
+NUM_PIXELS_JEWEL = 6
+RED = (255, 0, 0)
 
 # Set to the hour at which to arm the alarm system, 24hr time
 ALARM_HOUR = 16
@@ -85,23 +89,24 @@ i2c_bus = I2C(SCL, SDA, frequency=100000)
 sgp30 = adafruit_sgp30.Adafruit_SGP30(i2c_bus)
 
 # set up the neopixel strip
-pixel_strip = digitalio.DigitalInOut(D18)
-pixel_strip.direction = digitalio.Direction.OUTPUT
-neopixel_write.neopixel_write(pixel_strip, PIXELS_OFF)
-
-print('Adafruit IO Home: Security')
+pixels = neopixel.NeoPixel(D18, NUM_PIXELS_STRIP)
+pixels.fill((0, 0, 0))
+pixels.show()
 
 def alarm_trigger():
     """Alarm is triggered by the dashboard toggle
     and a sensor detecting movement.
     """
     print('* SYSTEM ALARM!')
-  for j in range(0, 5):
-    neopixel_write.neopixel_write(pixel_strip, PIXELS_ON)
+    for j in range(NUM_PIXELS_JEWEL):
+        pixels[j] = RED
+        pixels.show()
     time.sleep(0.5)
-    neopixel_write.neopixel_write(pixel_strip, PIXELS_OFF)
-  # turn pixels off after alarm animation
-  neopixel_write.neopixel_write(pixel_strip, PIXELS_OFF)
+    # turn pixels off after alarm
+    pixels.fill((0, 0, 0))
+    pixels.show()
+
+print('Adafruit IO Home: Security')
 
 while True:
     # read SGP30
@@ -144,20 +149,18 @@ while True:
         try:
             aio.send(picam_feed.key, send_str)
             print('sent to AIO!')
-    except:
+        except RequestError:
             print('Sending camera image failed...')
 
     # Alarm System
     is_alarm = aio.receive(alarm_feed.key)
 
-  if (is_alarm.value == "ON"):
+    if is_alarm.value == "ON":
         # sample the current hour
         cur_time = time.localtime()
         cur_hour = time.tm_hour
-    if (cur_hour > ALARM_HOUR and is_pir_activated == True):
+        if (cur_hour > ALARM_HOUR and is_pir_activated is True):
             alarm_trigger()
 
     prev_pir_value = door_sensor.value
     time.sleep(LOOP_INTERVAL)
-
-