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#!/usr/bin/env python3
import subprocess, re, time, sys
# lowtemp,lowtrigger,hightrigger,hightemp=19.0,19.5,20.5,21.0
lowtemp,lowtrigger,hightrigger,hightemp=18.0,18.5,19.5,20.0
assert lowtemp < lowtrigger < hightrigger < hightemp
def gettemp():
output=subprocess.check_output("date").decode("ascii")
print(output.replace("\n",""),end="")
output=subprocess.check_output("./gettemp.sh").decode("ascii")
print(" "+output.replace("\n",""))
match=re.match(r"^current: ([0-9]+\.[0-9]+); target: ([0-9]+\.[0-9]+)\s*$",output)
if match is None:
return None
return (float(match.group(1)),float(match.group(2)))
def inctemp(amount):
print("Adjusting temperature: "+str(amount))
subprocess.check_call(["./inctemp.sh",str(amount)])
def alert(msg):
sys.stdout.write("\x07")
sys.stdout.flush()
try:
escmsg=msg.replace("\\","\\\\").replace("\"","\\\"")
subprocess.check_call(["osascript","-e","display dialog \""+escmsg+"\""])
except CalledProcessError:
pass
def main():
targettemp=None
while True:
temp=gettemp()
if temp is None:
alert("No valid output got from gettemp.sh!")
break
if targettemp is None:
targettemp=temp[1]
if targettemp not in (lowtemp,hightemp):
alert("Target temperature not equal to "+str(lowtemp)+" or "+str(hightemp)+"!")
break
elif temp[1]!=targettemp:
alert("Someone pushed some buttons!")
break
if temp[1]==lowtemp and temp[0]<=lowtrigger:
inctemp(hightemp-lowtemp)
targettemp=hightemp
elif temp[1]==hightemp and temp[0]>=hightrigger:
inctemp(lowtemp-hightemp)
targettemp=lowtemp
time.sleep(120)
if __name__=="__main__":
main()
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