def all_unknown(self, message, *args, **kwargs):
__callstack_var_tx__ = Transaction(name=self._transactionName)
yield self.once.begin(self._transactionName)
try:
yield self.all.unknown(message, *args, **kwargs)
yield __callstack_var_tx__.commit()
except TransactionException:
yield __callstack_var_tx__.rollback()
def any_unknown(self, message, *args, **kwargs):
__callstack_var_tx__ = Transaction(name=self._transactionName)
yield self.once.begin(name=self._transactionName)
try:
try:
response = yield self.any.unknown(message, *args, **kwargs)
except NoneOfTheObserversRespond:
raise DeclineMessage
yield __callstack_var_tx__.commit()
raise StopIteration(response)
except TransactionException:
yield __callstack_var_tx__.rollback()
def parse(self, op, timeStamp):
'''
Parse the inputdate from user.
'''
self.detDeadlock()
self.run()
op = self.formalize(op)
# print(op)
if op.startswith('beginro'):
transId = int(op[op.find('(') + 2:op.find(')')])
trans = Transaction(transId, timeStamp, readOnly=True)
trans.makeVarsCopy(self.sites)
self.curTrans[transId] = trans
elif op.startswith('begin'):
transId = int(op[op.find('(') + 2:op.find(')')])
trans = Transaction(transId, timeStamp)
self.curTrans[transId] = trans
elif op.startswith('recover'):
siteId = int(op[op.find('(') + 1:op.find(')')])
site = self.sites[siteId]
site.recover(self.sites)
elif op.startswith('r'):
args = op[op.find('(') + 1:op.find(')')].split(',')
transId, varId = int(args[0][1:]), int(args[1][1:])
trans = self.curTrans[transId]
if trans.readOnly:
if trans.varsCopy[varId] is not None:
print('x{}: {}'.format(varId, trans.varsCopy[varId]))
else:
print('T{} cannot read x{} at this time'.format(
transId, varId))
else:
if not trans.abort:
trans.acquireReadLock(self.sites, varId)
self.ops.append(['r', trans, varId])
elif op.startswith('w'):
args = op[op.find('(') + 1:op.find(')')].split(',')
transId, varId, value = int(args[0][1:]), int(args[1][1:]), int(
args[2])
trans = self.curTrans[transId]
if not trans.abort:
trans.acquireWriteLock(self.sites, varId)
self.ops.append(['w', trans, varId, value])
elif op.startswith('dump'):
arg = op[op.find('(') + 1:op.find(')')]
if arg == '':
print(self.dumpAll())
elif arg.startswith('x'):
varId = int(arg[1:])
print('\n'.join(self.dumpBySite(varId)))
else:
siteId = int(arg)
print(self.sites[siteId].dump())
elif op.startswith('end'):
transId = int(op[op.find('(') + 2:op.find(')')])
trans = self.curTrans[transId]
if trans.abort:
print('T{} aborts ({})'.format(transId, trans.reason))
else:
log = trans.commit(self.sites)
if log:
print(log)
print('T{} commits'.format(transId))
elif op.startswith('fail'):
siteId = int(op[op.find('(') + 1:op.find(')')])
site = self.sites[siteId]
abortSet = site.fail()
for transId in abortSet:
if transId in self.curTrans:
self.curTrans[transId].setAbort(self.sites, self.ops,
'site down')
# print('-----before------')
# print(self.ops)
# print('----------------')
# print('input: {}, locks: {}'.format(op, self.sites[1].vars[2].locks.keys()))
self.run()
return parent.find_element_by_css_selector(selector).text
except NoSuchElementException:
return None
for hotelurl in session.query(HotelUrl).filter(HotelUrl.crawled==None):
driver.get(hotelurl.hotel_url)
description = driver.find_element_by_css_selector("#summary").text
address = driver.find_element_by_css_selector("#hp_address_subtitle")
features = driver.find_elements_by_css_selector("div.facilitiesChecklistSection")
hotel_features = {}
for category in features:
cat = category.find_element_by_css_selector("h5").text
fs = map(lambda x: x.text, category.find_elements_by_css_selector("li"))
hotel_features[cat]=fs
address = extract_address(address.text)
opinions,hotel_grade = getOpinionsAndHotelGrade(driver,hotelurl.hotel_opinion_url)
#session, hotel_url, address, hotel_grade, description, opinions, features
# print description,address,hotel_features,opinions,hotel_grade
transaction = Transaction(session,hotelurl,address,hotel_grade,description,opinions,hotel_features)
transaction.commit()
key = args[1]
value = args[2]
transaction.set(key, value)
elif args[0] == "GET":
key = args[1]
value = transaction.get(key)
print value if value != None else "NULL"
elif args[0] == "UNSET":
key = args[1]
transaction.unset(key)
elif args[0] == "NUMEQUALTO":
value = args[1]
print str(transaction.numEqualTo(value))
elif args[0] == "BEGIN":
transaction = transaction.createChild()
elif args[0] == "COMMIT":
transaction = transaction.commit({})
elif args[0] == "ROLLBACK":
if transaction.parent != None:
transaction = transaction.parent
else:
print "NO TRANSACTION"
else:
raise Exception("Bad argument passed")
except:
print "Command not recognized or malformed"
print "Commands: SET, GET, UNSET, NUMEQUALTO, BEGIN, COMMIT, ROLLBACK, END"
finally:
line = sys.stdin.readline().rstrip()
