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#! /usr/bin/python3
# vim: ts=2 sw=2 et
import os
import stat
import time
import signal
import sys
import RPi.GPIO as gpio
import grp
from configparser import ConfigParser
#Read config
parser = ConfigParser()
parser.read('/etc/foodoord.conf')
doorapi = parser.get('doorstatus', 'status_url')
consumerkey = parser.get('doorstatus', 'key')
consumersecret = parser.get('doorstatus', 'secret')
#Definitions for output
LED_RED=6
LED_GREEN=7
RELAYS_LOCK=0
RELAYS_UNLOCK=1
PIN_OPEN=24
PIN_CLOSE=27
#Definitions for input
DOOR_BELL=0
REED_RELAYS=1 #not implementet yet
#Definitions for LEDcolor
RED=1
GREEN=2
ORANGE=3
def write_state(state):
try:
handle = open("/tmp/door_state", "w")
handle.write(state)
handle.close()
except:
pass
def update_api(locked):
try:
os.system("/usr/bin/curl -XPOST --header 'Content-Type: application/json' --data '{ \"consumer_key\": \"" + consumerkey + "\", \"consumer_secret\": \"" + consumersecret + "\", \"cellar\": " + str(locked).lower() + " }' '" + doorapi + "' ")
except:
pass
if __name__ == "__main__":
#Startsettings
STATUS=False
gpio.setmode(gpio.BCM)
gpio.setup(PIN_OPEN, gpio.OUT)
gpio.setup(PIN_CLOSE, gpio.OUT)
#Setting up FiFo to get sshd-output
try:
os.mkfifo("/var/run/foodoord.pipe")
os.chown("/var/run/foodoord.pipe", -1, grp.getgrnam('foodoor')[2])
os.chmod("/var/run/foodoord.pipe", stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IWGRP)
except OSError:
pass
with open("/var/run/foodoord.pipe", "r") as ssh_input:
while 1:
#Read sshd-output from pipe
Pipe = ssh_input.readline()[:-1]
if (Pipe == "close"):
gpio.output(PIN_CLOSE,1)
time.sleep(1)
gpio.output(PIN_CLOSE,0)
write_state("closed")
update_api(True)
elif (Pipe == "open"):
#Locking
gpio.output(PIN_OPEN,1)
time.sleep(1)
gpio.output(PIN_OPEN,0)
#Save State
write_state("open")
#Status Update
update_api(False)
time.sleep(0.2)