137 lines
3.6 KiB
Python
Executable File
137 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# vim: ts=2 sw=2 et
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import grp
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import json
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import os
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import signal
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import stat
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import subprocess
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import sys
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import time
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from configparser import ConfigParser
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import pifacedigitalio
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# Definitions for output
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LED_RED = 6
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LED_GREEN = 7
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RELAYS_LOCK = 0
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RELAYS_UNLOCK = 1
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# Definitions for input
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DOOR_BELL = 0
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REED_RELAYS = 1 # not implemented yet
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# Definitions for LED color
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RED = 1
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GREEN = 2
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ORANGE = 3
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# Read config
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parser = ConfigParser()
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parser.read('/etc/foodoord.conf')
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DOORAPI = parser.get('doorstatus', 'status_url')
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CONSUMERKEY = parser.get('doorstatus', 'key')
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CONSUMERSECRET = parser.get('doorstatus', 'secret')
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def update_api(locked):
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try:
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subprocess.check_call([
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"/usr/bin/curl", "-XPOST",
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"--header", "Content-Type: application/json",
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"--data",
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json.dumps({"consumer_key": CONSUMERKEY, "consumer_secret": CONSUMERSECRET, "aerie": locked})
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])
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except:
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pass
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def set_led(color):
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if color == RED:
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pifacedigital.leds[LED_RED].turn_on()
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pifacedigital.leds[LED_GREEN].turn_off()
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elif color == GREEN:
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pifacedigital.leds[LED_GREEN].turn_on()
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pifacedigital.leds[LED_RED].turn_off()
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elif color == ORANGE:
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pifacedigital.leds[LED_RED].turn_on()
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pifacedigital.leds[LED_GREEN].turn_on()
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class Foodoord:
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def __init__(self):
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self.status_open = False
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self.listener = pifacedigitalio.InputEventListener()
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self.listener.register(0, pifacedigitalio.IODIR_RISING_EDGE, self.doorbell, settle_time=10)
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self.listener.register(1, pifacedigitalio.IODIR_RISING_EDGE, self.close_button, settle_time=5)
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def signal_handler(self, _signal, _frame):
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self.listener.deactivate()
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os.remove("/var/run/foodoord.pipe")
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update_api(True)
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set_led(RED)
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sys.exit(0)
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def doorbell(self, event):
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if self.status_open:
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pifacedigital.relays[RELAYS_UNLOCK].toggle()
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time.sleep(2)
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pifacedigital.relays[RELAYS_UNLOCK].toggle()
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def close_button(self, _event):
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self.status_open = False
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update_api(True)
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set_led(RED)
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def main(self):
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self.listener.activate()
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pifacedigital = pifacedigitalio.PiFaceDigital()
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signal.signal(signal.SIGTERM, self.signal_handler)
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# Start settings
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pifacedigital.leds[LED_RED].turn_on()
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# Setting up FiFo to get sshd-output
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try:
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os.mkfifo("/var/run/foodoord.pipe")
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os.chown("/var/run/foodoord.pipe", -1, grp.getgrnam('foodoor')[2])
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os.chmod("/var/run/foodoord.pipe", stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IWGRP)
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except OSError:
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pass
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ssh_input = open("/var/run/foodoord.pipe", "r")
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while True:
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# Read sshd-output from pipe
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pipe_cmd = ssh_input.readline().strip()
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if pipe_cmd == "close" and self.status_open:
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pifacedigital.relays[RELAYS_LOCK].toggle()
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time.sleep(1)
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pifacedigital.relays[RELAYS_LOCK].toggle()
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self.status_open = False
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update_api(True)
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set_led(RED)
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elif pipe_cmd == "open":
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pifacedigital.relays[RELAYS_UNLOCK].toggle()
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time.sleep(2)
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pifacedigital.relays[RELAYS_UNLOCK].toggle()
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if not self.status_open:
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update_api(False)
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self.status_open = True
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set_led(GREEN)
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time.sleep(0.1)
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if __name__ == "__main__":
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Foodoord().main()
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