intial import from article

smartmirror_ir.py

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+#!/usr/bin/env python
+
+import RPi.GPIO as GPIO
+import os
+import time
+import sys
+
+# PIR pin
+PIR_GPIO = 16
+# Display timeout in seconds
+TIMEOUT = 60
+
+# DONT EDIT BELOW THIS LINE
+# UNLESS YOU KNOW WHAT YOU ARE DOING
+
+GPIO.setmode(GPIO.BOARD)
+GPIO.setup(PIR_GPIO, GPIO.IN)
+timer = 0
+display = False
+
+
+def set_display(enable):
+    global display
+    display = enable
+    os.system("vcgencmd display_power " + str(int(enable)))
+
+
+def check_timeout():
+    if timer >= TIMEOUT and display:
+        set_display(False)
+    elif not display and timer < TIMEOUT:
+        set_display(True)
+
+
+def motion(pin):
+    global timer
+    timer = 0
+
+
+if __name__ == "__main__":
+    try:
+        GPIO.add_event_detect(PIR_GPIO, GPIO.RISING, callback=motion)
+        while True:
+            time.sleep(1)
+            if timer < TIMEOUT:
+                timer += 1
+            check_timeout()
+    except KeyboardInterrupt:
+        GPIO.cleanup()
+        sys.exit(0)
+