def translateAction():
if request.method == "POST":
sessionKey = validateInput(request.form["sessionKey"])
userUuid = validateInput(request.form["userUuid"])
consequent = validateInput(request.form["consequent"])
try:
session = SessionManager()
session.checkSessionValidity(sessionKey, userUuid)
actionManager = ActionManager()
return returnResult(actionManager.translateAction(ruleConsequent=consequent, getDict=True))
except Exception as e:
return returnError(e)
def check(self):
triggerManager = TriggerManager()
actionManager = ActionManager()
assertionTemplate = "(assert (=> @@RULE_ANTECEDENT@@ @@RULE_CONSEQUENT@@))"
finalAssertionTemplate = "(assert (and @@FIRST_ARG@@ @@SECOND_ARG@@ ))"
rangeTriggersName = {"EXT_TEMPERATURE_RANGE" : "(extTempInRoom 1)", "ROOM_TEMPERATURE_RANGE" : "(tempInRoom 1)", "DATE_RANGE" : "(day 1)", "TIME_RANGE" : "(time 1)"}
theoremBody = []
theoremAssertions = []
parametersIntervals = {}
for rule in self.ruleList:
translatedTriggers = triggerManager.translateTrigger(rule.antecedent)
translatedConsequent, action, parameters = actionManager.translateAction(rule.consequent)
translatedAntecedent = translatedTriggers["translation"]
currentRuleAssertion = assertionTemplate.replace("@@RULE_ANTECEDENT@@", translatedAntecedent)
currentRuleAssertion = currentRuleAssertion.replace("@@RULE_CONSEQUENT@@", translatedConsequent)
# Adding the current rule to the theorem body
theoremBody.append(currentRuleAssertion)
# Now saving, in case of range based trigger, which intervals has to be checked
for translatedTrigger in translatedTriggers["triggers"]:
trigger = translatedTrigger["trigger"]
parameters = translatedTrigger["translatedParams"]
if trigger.triggerName in rangeTriggersName.keys():
if trigger.triggerName not in parametersIntervals.keys():
parametersIntervals[trigger.triggerName] = []
parametersIntervals[trigger.triggerName].append(int(parameters['0']))
parametersIntervals[trigger.triggerName].append(int(parameters['1']))
else:
theoremAssertions.append('(assert ' + translatedAntecedent + ')')
for triggerName in parametersIntervals.keys():
intervals = sorted(parametersIntervals[triggerName])
#theoremAssertions.append('(assert (< ' + rangeTriggersName[triggerName] + ' ' + str(intervals[0]) + '))')
for i in range(1, len(intervals)):
firstArg = '(>= ' + rangeTriggersName[triggerName] + ' ' + str(intervals[i-1]) + ')'
secondArg = '(<= ' + rangeTriggersName[triggerName] + ' ' + str(intervals[i]) + ')'
theoremAssertions.append(finalAssertionTemplate.replace("@@FIRST_ARG@@", firstArg).replace("@@SECOND_ARG@@", secondArg))
for i in intervals:
theoremAssertions.append('(assert (= ' + rangeTriggersName[triggerName] + ' ' + str(i) + '))')
partialOutputFile = ""
#File Header and Settings
f = open(self.__MAIN_PATH + "header_template.txt")
lines = f.readlines()
f.close()
for line in lines:
partialOutputFile += line
for assertion in theoremBody:
partialOutputFile += assertion + "\n"
for assertion in theoremAssertions:
outputFile = partialOutputFile + assertion + "\n"
outputFile += "(check-sat)" + "\n"
temporaryFilePath = self.__MAIN_PATH + self.__addPrefixToFileName("test_smt.z3")
theOutFile = open(temporaryFilePath,"w")
theOutFile.write(outputFile)
theOutFile.close()
execStr = self.__MAIN_PATH + "z3/bin/z3 -smt2 " + temporaryFilePath
#print execStr
try:
z3Output = subprocess.check_output(execStr, shell=True)
os.remove(temporaryFilePath)
if "unsat" in z3Output:
error = "There is a conflict in the rules! " + assertion
print error
self.errorList.append(error)
return self.errorList
except Exception as e :
raise RuleValidationEngineError("The rule validation engine failed during rule checking.")
return []
