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72 lines
2.5 KiB
72 lines
2.5 KiB
#!/usr/bin/python3 |
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import RPi.GPIO as GPIO |
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import time |
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import requests |
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import platform |
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import datetime |
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relay_pin = 11 |
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#GPIO.setmode(GPIO.BCM) # GPIO numbers instead of board numbers. |
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GPIO.setmode(GPIO.BOARD) |
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GPIO.setup(relay_pin, GPIO.OUT) |
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device_id = platform.node() # For servers logs. |
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def get_api_url(): |
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# Yes, I know I could do this better. Stop moaning. |
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if (device_id == "gallery1"): |
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return "http://ritherdon.abbether.net/api/readings/latest/1" |
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elif (device_id == "gallery2"): |
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return "http://ritherdon.abbether.net/api/readings/latest/2" |
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# Make sure this is valid. |
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# api_url = "http://ritherdon.abbether.net/api/readings/add/1" |
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api_url = get_api_url() # Saves having to do the if-check every call. |
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def main(): |
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try: |
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s = requests.Session() |
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while True: |
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r = s.get(api_url, timeout=5) |
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# print(r.status_code) # For testing. |
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data = r.json() |
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# print(f"{datetime.datetime.now()} -> {data}") # For testing. |
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the_reading = data.get("reading") |
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# print(the_reading) # For testing. |
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if (device_id == "gallery1"): |
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if (the_reading > 39): |
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# print(f"[INFO: FACTORY1] Light is on -- {the_reading}.") |
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GPIO.output(relay_pin, GPIO.HIGH) |
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else: |
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# print(f"[INFO: FACTORY1] Light is off -- {the_reading}.") |
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GPIO.output(relay_pin, GPIO.LOW) |
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elif (device_id == "gallery2"): |
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if (the_reading > 48): |
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# print(f"[INFO: FACTORY2] Light is on -- {the_reading}.") |
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GPIO.output(relay_pin, GPIO.HIGH) |
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else: |
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# print(f"[INFO: FACTORY2] Light is off -- {the_reading}.") |
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GPIO.output(relay_pin, GPIO.LOW) |
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time.sleep(0.3) |
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except KeyboardInterrupt: |
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print("[INFO] KEYBOARD INTERRUPT: quitting program.") |
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except requests.exceptions.ConnectionError: |
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pause = 60 |
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time.sleep(60) |
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print(f"[WARNING] MAX. REQUESTS EXCEEDED: Pausing requests for {pause} seconds...") |
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pass |
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except requests.exceptions.Timeout: |
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t_stamp = datetime.datetime.now() |
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print(f"[WARNING] TIMEOUT EXCEPTION: Request timed-out at {t_stamp}.") |
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time.sleep(60) |
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pass |
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except Exception as e: |
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print(f"[ERROR] GENERAL EXCEPTION: {e}") |
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finally: |
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print("[INFO] Terminating relay.py...") |
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print("[INFO] Cleaning up GPIO before closing...") |
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GPIO.cleanup() |
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if __name__ == "__main__" : |
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main()
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