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#!/usr/bin/env python2
import os
import stat
import time
import pifacedigitalio
import urllib2
import signal
import sys
import grp
from ConfigParser import SafeConfigParser
#Read config
parser = SafeConfigParser()
parser.read('/etc/foodoord.conf')
url = parser.get('door_firstlevel', 'status_url')
old_api = parser.get('door_firstlevel_old', 'status_url')
#Definitions for output
LED_RED=6
LED_GREEN=7
RELAYS_LOCK=0
RELAYS_UNLOCK=1
#Definitions for input
DOOR_BELL=0
REED_RELAYS=1 #not implementet yet
#Definitions for LEDcolor
RED=1
GREEN=2
ORANGE=3
if __name__ == "__main__":
def doorbell(event):
if (STATUS):
pifacedigital.relays[RELAYS_UNLOCK].toggle()
time.sleep(2)
pifacedigital.relays[RELAYS_UNLOCK].toggle()
#print 'got doorbell'
def close_button(event):
global STATUS
STATUS = False
try:
urllib2.urlopen(url+'&door=aerie&locked=1', timeout=2)
urllib2.urlopen(old_api+'&status=closed', timeout=2)
except:
pass
set_led(RED)
listener = pifacedigitalio.InputEventListener()
listener.register(0, pifacedigitalio.IODIR_RISING_EDGE, doorbell, settle_time=10)
listener.register(1, pifacedigitalio.IODIR_RISING_EDGE, close_button, settle_time=5)
listener.activate()
def signal_handler(signal, frame):
listener.deactivate()
os.remove("/var/run/foodoord.pipe")
try:
urllib2.urlopen(url+'&door=aerie&locked=1', timeout=2)
urllib2.urlopen(old_api+'&status=closed', timeout=2)
except:
pass
set_led(RED)
sys.exit(0)
def set_led(color):
if (color==RED):
pifacedigital.leds[LED_RED].turn_on()
pifacedigital.leds[LED_GREEN].turn_off()
elif (color==GREEN):
pifacedigital.leds[LED_GREEN].turn_on()
pifacedigital.leds[LED_RED].turn_off()
elif (color==ORANGE):
pifacedigital.leds[LED_RED].turn_on()
pifacedigital.leds[LED_GREEN].turn_on()
pifacedigital = pifacedigitalio.PiFaceDigital()
signal.signal(signal.SIGTERM, signal_handler)
#Startsettings
STATUS = False
pifacedigital.leds[LED_RED].turn_on()
#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" and STATUS):
pifacedigital.relays[RELAYS_LOCK].toggle()
time.sleep(1)
pifacedigital.relays[RELAYS_LOCK].toggle()
STATUS = False
try:
urllib2.urlopen(url+'&door=aerie&locked=1', timeout=2)
urllib2.urlopen(old_api+'&status=closed', timeout=2)
except:
pass
set_led(RED)
elif (Pipe == "open"):
pifacedigital.relays[RELAYS_UNLOCK].toggle()
time.sleep(2)
pifacedigital.relays[RELAYS_UNLOCK].toggle()
if (STATUS==False):
try:
urllib2.urlopen(url+'&door=aerie&locked=0', timeout=2)
urllib2.urlopen(old_api+'&status=open', timeout=2)
except:
pass
STATUS = True
set_led(GREEN)
time.sleep(0.1)