def __init__(self, serialport=None):
# store params
self.serialport = serialport
# local variables
self.framelength = 0
self.busyReceiving = False
self.inputBuf = ''
self.dataLock = threading.Lock()
self.rxByte = 0
self.prevByte = 0
# flag to permit exit from read loop
self.goOn = True
self.parser_data = ParserData()
self.routing_instance = Routing()
# initialize the parent class
threading.Thread.__init__(self)
# give this thread a name
self.name = 'moteProbe@' + self.serialport
try:
self.serial = serial.Serial(self.serialport, '115200', timeout=1)
except Exception as err:
print err
# start myself
self.start()
print "serial thread: " + self.name + " started successfully"
def algorithm(instance):
valid = False
while not valid:
initSchedule = ScheduleMaker(instance)
routing = Routing(instance)
for day, scheduleDay in initSchedule.schedule.scheduleDays.items():
cw = ClarkeWright(instance, scheduleDay)
routing.addRoutingDay(day, cw.routingDay)
valid = routing.isValid()
return TwoOpt(instance, routing).routing
def query_routing(self, routeType, start_coord, end_coord):
from Routing import Routing
ro = Routing(routeType)
ret = ro.findRoute(start_coord, end_coord)
self.mc.clear()
if ret[0] == 'success':
self.mc.add_root_point(tuple(start_coord))
self.mc.add_root_point(tuple(end_coord))
self.mc.add_target_line([(nd[1][0] / DistanceUtils.coord_scale,
nd[1][1] / DistanceUtils.coord_scale)
for nd in ret[2]])
self.mc.convert(qname=sys._getframe().f_code.co_name)
# self.mc.save(WORK_DIR+"MapConverter.dump")
return ret
def __init__(self, serialport=None):
# store params
self.serialport = serialport
# local variables
self.framelength = 0
self.busyReceiving = False
self.inputBuf = ''
self.dataLock = threading.Lock()
self.rxByte = 0
self.prevByte = 0
self.prev_packet_time = 0
self.latency = [
0.0, 0.0
] #Here first element represents prev_latency, and second element represents sample count used to calculate the average latency
self.prev_pkt = None
self.rframe_latency = 0
# flag to permit exit from read loop
self.goOn = True
self.parser_data = ParserData()
self.routing_instance = Routing()
# initialize the parent class
threading.Thread.__init__(self)
# give this thread a name
self.name = 'moteProbe@' + self.serialport
try:
self.serial = serial.Serial(self.serialport, '115200')
except Exception as err:
print err
# start myself
self.start()
print "serial thread: " + self.name + " started successfully"
class moteProbe(threading.Thread):
def __init__(self, serialport=None):
# store params
self.serialport = serialport
# local variables
self.framelength = 0
self.busyReceiving = False
self.inputBuf = ''
self.dataLock = threading.Lock()
self.rxByte = 0
self.prevByte = 0
# flag to permit exit from read loop
self.goOn = True
self.parser_data = ParserData()
self.routing_instance = Routing()
# initialize the parent class
threading.Thread.__init__(self)
# give this thread a name
self.name = 'moteProbe@' + self.serialport
try:
self.serial = serial.Serial(self.serialport, '115200', timeout=1)
except Exception as err:
print err
# start myself
self.start()
print "serial thread: " + self.name + " started successfully"
#======================== thread ==========================================
def run(self):
while self.goOn: # read bytes from serial port
#Sending commands to mote
#Here I am using global variables
global outputBuf
global outputBufLock
if (len(outputBuf) > 0) and not outputBufLock:
self.serial.write(outputBuf)
#print ':'.join('{:02x}'.format(x) for x in outputBuf)
outputBuf = ''
try:
self.rxByte = self.serial.read(1)
if not self.rxByte:
continue
elif (int(binascii.hexlify(self.rxByte), 16)
== 0x7e) and not self.busyReceiving:
self.busyReceiving = True
self.prevByte = self.rxByte
continue
except Exception as err:
print err
time.sleep(1)
break
else:
if self.busyReceiving and (int(binascii.hexlify(self.prevByte),
16) == 0x7e):
#Converting string to integer to make comparison easier
self.framelength = int(binascii.hexlify(self.rxByte), 16)
self.inputBuf += self.rxByte
self.prevByte = self.rxByte
continue
else:
self.inputBuf += self.rxByte
if len(self.inputBuf) == self.framelength:
self.busyReceiving = False
self._process_inputbuf()
def _process_inputbuf(self):
if self.inputBuf[1].upper() == 'P':
print "This is a packet"
print ":".join("{:02x}".format(ord(c)) for c in self.inputBuf[2:])
data = [int(binascii.hexlify(x), 16) for x in self.inputBuf]
data_tuple = self.parser_data.parseInput(data[2:])
global isDAOReceived
isDAOReceived = self.routing_instance.meshToLbr_notify(data_tuple)
#print packet_ipv6['next_header']
elif self.inputBuf[1] == 'D':
print "This is debug message"
print ":".join("{:02x}".format(ord(c)) for c in self.inputBuf[2:])
elif self.inputBuf[1] == 'R':
print "This is a command response"
print ":".join("{:02x}".format(ord(c)) for c in self.inputBuf[2:])
self.inputBuf = ''
def _process_packet(self, packet):
print "process_packet_func"
def _fill_outputbuf(self):
#When user wants to send some data, data will be pushed to this buffer
print __name__
def close(self):
self.goOn = False
def __init__(self):
self.routing_obj = Routing()
self.routing_obj.set_family("inet6")
self.route_cache = []
class RouteCache(object):
routing_obj = None
route_cache = []
def __init__(self):
self.routing_obj = Routing()
self.routing_obj.set_family("inet6")
self.route_cache = []
def remove_route(self, route):
"""Remove a route from the route cache"""
if route not in self.route_cache:
return False
target, nexthop, nexthop_iface = route.to_tuple()
logger.debug("Remove route to %s through %s on iface %s" % (target, nexthop, nexthop_iface))
self.routing_obj.remove(target, (nexthop, nexthop_iface), table="local")
self.route_cache.remove(route)
return True
def remove_routes(self, routes):
"""Remove a list of routes from the route cache"""
route_update = False
for route in routes:
route_update += self.remove_route(route)
return bool(route_update)
def lookup_nexthop(self, nexthop, target=None):
"""Lookup a next hop in the route cache.
The point is to make it easier to remove routes going through a specific router"""
if target:
return [route for route in self.route_cache if route.nexthop == nexthop and route.target == target]
else:
return [route for route in self.route_cache if route.nexthop == nexthop]
def remove_nexthop(self, nexthop, target=None):
route_update = False
for route in self.lookup_nexthop(nexthop, target):
route_update += self.remove_route(route)
return bool(route_update)
def add_route(self, route):
"""add a route to a target through a next hop"""
if route in self.route_cache:
return False
(target, nexthop, nexthop_iface) = route.to_tuple()
logger.debug("Add route to %s through %s on iface %s" % (target, nexthop, nexthop_iface))
# sanity check: do not add a route to an address that is assigned on
# the node
assert target == "default" or not gv.address_cache.is_assigned(target.split("/")[0])
try:
self.routing_obj.add(target, (nexthop, nexthop_iface), table="local")
except: pass
self.route_cache.append(route)
return True
def add_routes(self, routes):
"""Add a list of routes to the route cache"""
route_update = False
for route in routes:
route_update += self.add_route(route)
return bool(route_update)
def empty_cache(self):
"""Empty the route cache"""
for route in copy(self.route_cache):
self.remove_route(route)
assert self.route_cache == []
def __str__(self):
"""Print the complete route cache"""
return self.routing_obj.__str__()
def __init__(self):
self.routing_obj = Routing()
self.routing_obj.set_family("inet6")
self.route_cache = []
class RouteCache(object):
routing_obj = None
route_cache = []
def __init__(self):
self.routing_obj = Routing()
self.routing_obj.set_family("inet6")
self.route_cache = []
def remove_route(self, route):
"""Remove a route from the route cache"""
if route not in self.route_cache:
return False
target, nexthop, nexthop_iface = route.to_tuple()
logger.debug("Remove route to %s through %s on iface %s" %
(target, nexthop, nexthop_iface))
self.routing_obj.remove(target, (nexthop, nexthop_iface),
table="local")
self.route_cache.remove(route)
return True
def remove_routes(self, routes):
"""Remove a list of routes from the route cache"""
route_update = False
for route in routes:
route_update += self.remove_route(route)
return bool(route_update)
def lookup_nexthop(self, nexthop, target=None):
"""Lookup a next hop in the route cache.
The point is to make it easier to remove routes going through a specific router"""
if target:
return [
route for route in self.route_cache
if route.nexthop == nexthop and route.target == target
]
else:
return [
route for route in self.route_cache if route.nexthop == nexthop
]
def remove_nexthop(self, nexthop, target=None):
route_update = False
for route in self.lookup_nexthop(nexthop, target):
route_update += self.remove_route(route)
return bool(route_update)
def add_route(self, route):
"""add a route to a target through a next hop"""
if route in self.route_cache:
return False
(target, nexthop, nexthop_iface) = route.to_tuple()
logger.debug("Add route to %s through %s on iface %s" %
(target, nexthop, nexthop_iface))
# sanity check: do not add a route to an address that is assigned on
# the node
assert target == "default" or not gv.address_cache.is_assigned(
target.split("/")[0])
try:
self.routing_obj.add(target, (nexthop, nexthop_iface),
table="local")
except:
pass
self.route_cache.append(route)
return True
def add_routes(self, routes):
"""Add a list of routes to the route cache"""
route_update = False
for route in routes:
route_update += self.add_route(route)
return bool(route_update)
def empty_cache(self):
"""Empty the route cache"""
for route in copy(self.route_cache):
self.remove_route(route)
assert self.route_cache == []
def __str__(self):
"""Print the complete route cache"""
return self.routing_obj.__str__()
def __init__(self, host):
Routing.__init__(self, host)
def __init__(self, host):
Routing.__init__(self, host)
def __init__(self, host):
"""initialize NLSR
advertised: [prefix]"""
Routing.__init__(self, host)
self.isStarted = False
atexit.register(self.stop)
def __init__(self, host):
Routing.__init__(self, host)
self.net = None
class moteProbe(threading.Thread):
def __init__(self, serialport=None):
# store params
self.serialport = serialport
# local variables
self.framelength = 0
self.busyReceiving = False
self.inputBuf = ''
self.dataLock = threading.Lock()
self.rxByte = 0
self.prevByte = 0
self.prev_packet_time = 0
self.latency = [
0.0, 0.0
] #Here first element represents prev_latency, and second element represents sample count used to calculate the average latency
self.prev_pkt = None
self.rframe_latency = 0
# flag to permit exit from read loop
self.goOn = True
self.parser_data = ParserData()
self.routing_instance = Routing()
# initialize the parent class
threading.Thread.__init__(self)
# give this thread a name
self.name = 'moteProbe@' + self.serialport
try:
self.serial = serial.Serial(self.serialport, '115200')
except Exception as err:
print err
# start myself
self.start()
print "serial thread: " + self.name + " started successfully"
#======================== thread ==========================================
def run(self):
while self.goOn: # read bytes from serial port
try:
self.rxByte = self.serial.read(1)
if not self.rxByte:
continue
#print binascii.hexlify(self.rxByte)
if (int(binascii.hexlify(self.rxByte), 16)
== 0x7e) and not self.busyReceiving:
self.busyReceiving = True
self.prevByte = self.rxByte
continue
except Exception as err:
print err
break
else:
if self.busyReceiving and (int(binascii.hexlify(self.prevByte),
16) == 0x7e):
#Converting string to integer to make comparison easier
self.framelength = int(binascii.hexlify(self.rxByte), 16)
self.inputBuf += self.rxByte
self.prevByte = self.rxByte
continue
else:
self.inputBuf += self.rxByte
if len(self.inputBuf) >= self.framelength:
self.busyReceiving = False
self._process_inputbuf()
def _process_inputbuf(self):
if self.inputBuf[1].upper() == 'P':
print "received packet: " + ":".join("{:02x}".format(ord(c))
for c in self.inputBuf)
data = [int(binascii.hexlify(x), 16) for x in self.inputBuf]
data_tuple = self.parser_data.parseInput(data[2:])
(result, data) = self.routing_instance.meshToLbr_notify(data_tuple)
#Added by Nico for error handling
if data == None and not result:
self.inputBuf = ''
print "No correct packet!"
return
if not result:
if self.prev_pkt == data[4:]:
print "Duplicate packet"
self.inputBuf = ''
return
curr_packet_time = int(round(time.time() * 1000))
print "received data: " + ':'.join(
str(hex(i))
for i in data[4:]) + " , Packet Latency: " + str(
curr_packet_time - self.prev_packet_time)
print "received data len : " + str(len(data[4:]))
x = curr_packet_time - self.prev_packet_time
self.latency[1] = self.latency[1] + 1.0
if self.latency[1] > 1.0:
x = curr_packet_time - self.prev_packet_time
self.running_mean(x)
print "average latency: " + str(self.latency[0])
self.prev_packet_time = curr_packet_time
self.prev_pkt = data[4:]
elif self.inputBuf[1] == 'D':
print "debug msg: " + ":".join("{:02x}".format(ord(c))
for c in self.inputBuf[2:])
measured_data.append(int(binascii.hexlify(self.inputBuf[2]), 16))
#if(len(measured_data[str(payload_length)]) == 50):
#if(len(measured_data) == 50):
#print(json.dumps(measured_data))
#f = open('measurement_radio_rcv_to_nxt_slot_127.json','w')
#f.write(json.dumps(measured_data))
#f.close()
#payload_length = -1
#self.close()
elif self.inputBuf[1] == 'A':
print "output message: " + ":".join("{:02x}".format(ord(c) - 48)
for c in self.inputBuf[2:])
# added by Ayca to print out direct numbers / works differently with letters
elif self.inputBuf[1] == 'R':
print "command response: " + ":".join("{:02x}".format(ord(c))
for c in self.inputBuf[2:])
response1 = "".join("{:02x}".format(ord(c))
for c in self.inputBuf[2:])
#added by Nico to make the output human readable
hilf = response1.split(":")
responseArrayCheck = "".join(hilf)
# Added by Nico to make the responses human-readable
if responseArrayCheck[2:4] == "04":
if len(responseArrayCheck) == 18:
print "" + responseArrayCheck[4:6] + " TX , " + responseArrayCheck[
6:8] + " RX , " + responseArrayCheck[
8:10] + " TXRX (Beacon) , " + responseArrayCheck[
10:12] + " SRX , " + responseArrayCheck[
12:
14] + " empty slots " + responseArrayCheck[
14:
16] + " MACRes slots " + responseArrayCheck[
16:18] + " MACInit slots "
elif len(responseArrayCheck) == 8:
print "Channel: " + responseArrayCheck[
4:6] + " Sent packets: " + responseArrayCheck[6:8]
else:
print " Slottyp: " + responseArrayCheck[
4:6] + " ChannelOffset: " + responseArrayCheck[
6:8] + " NumRX: " + responseArrayCheck[
8:10] + " NumTX: " + responseArrayCheck[
10:12] + " NumTxAck: " + responseArrayCheck[
12:
14] + " SlotOffset: " + responseArrayCheck[
14:16]
elif responseArrayCheck[2:4] == "0b":
if responseArrayCheck[4:6] == "01":
print "Measurement is now disabled!"
elif responseArrayCheck[4:6] == "02":
print "Measurement is now enabled!"
elif responseArrayCheck[2:4] == "09":
#Now Saving the result in a file
global seperation
if seperation == 0:
file = open("measurementNicoChannel.txt", "w")
file.write(responseArrayCheck[4:])
file.close
seperation = 1
elif seperation == 1:
file = open("measurementNicoTimes.txt", "w")
file.write(responseArrayCheck[4:])
file.close
seperation = 2
elif seperation == 2:
file = open("measurementNicoOffsets.txt", "w")
file.write(responseArrayCheck[4:])
file.close
seperation = 3
elif seperation == 3:
print "Times sent in INIT or RESOLUTION slots: ", responseArrayCheck[
4:
6], "Times sent in RESOLUTION slots: ", responseArrayCheck[
6:8]
seperation = 0
elif responseArrayCheck[2:4] == "45":
file = open("measurementNicoEnhancedDAGroot.txt", "a")
file.write(responseArrayCheck[4:])
file.write("\n")
file.close
elif self.inputBuf[1] == 'E':
print "------------------------------------------------------------------------"
print "error msg: " + ":".join("{:02x}".format(ord(c))
for c in self.inputBuf[2:])
print "------------------------------------------------------------------------"
elif self.inputBuf[1] == 'S':
#Sending commands to mote
#Here I am using global variables
#curr_packet_time = int(round(time.time() * 1000))
#print "request frame: " + str(curr_packet_time-self.rframe_latency)
#self.rframe_latency = curr_packet_time
global outputBuf
global outputBufLock
#global latency
if (len(outputBuf) > 0) and not outputBufLock:
outputBufLock = True
dataToWrite = outputBuf.pop(0)
outputBufLock = False
#print int(round(time.time() * 1000)) - latency
self.serial.write(dataToWrite)
#print len(dataToWrite)
print "injecting: " + ":".join("{:02x}".format(ord(c))
for c in dataToWrite)
self.inputBuf = ''
def _process_packet(self, packet):
print "process_packet_func"
def _fill_outputbuf(self):
#When user wants to send some data, data will be pushed to this buffer
print __name__
def close(self):
self.goOn = False
def prepare_UDP_packet(self, payload):
print "prepare_UDP_packet"
#Running mean implementation by storing only one element, and sample count
def running_mean(self, x):
#I have used 300 to make sure that first outlier is rejected, while calculating the average
tmp = self.latency[0] * max(self.latency[1] - 1, 1) + x
self.latency[0] = tmp / self.latency[1]
class moteProbe(threading.Thread):
def __init__(self, serialport=None):
# store params
self.serialport = serialport
# local variables
self.framelength = 0
self.busyReceiving = False
self.inputBuf = ''
self.dataLock = threading.Lock()
self.rxByte = 0
self.prevByte = 0
self.prev_packet_time = 0
self.latency = [
0.0, 0.0
] #Here first element represents prev_latency, and second element represents sample count used to calculate the average latency
self.prev_pkt = None
self.rframe_latency = 0
# flag to permit exit from read loop
self.goOn = True
self.parser_data = ParserData()
self.routing_instance = Routing()
# initialize the parent class
threading.Thread.__init__(self)
# give this thread a name
self.name = 'moteProbe@' + self.serialport
try:
self.serial = serial.Serial(self.serialport, '115200')
except Exception as err:
print err
# start myself
self.start()
print "serial thread: " + self.name + " started successfully"
#======================== thread ==========================================
def run(self):
while self.goOn: # read bytes from serial port
try:
self.rxByte = self.serial.read(1)
if not self.rxByte:
continue
#print binascii.hexlify(self.rxByte)
if (int(binascii.hexlify(self.rxByte), 16)
== 0x7e) and not self.busyReceiving:
self.busyReceiving = True
self.prevByte = self.rxByte
continue
except Exception as err:
print err
break
else:
if self.busyReceiving and (int(binascii.hexlify(self.prevByte),
16) == 0x7e):
#Converting string to integer to make comparison easier
self.framelength = int(binascii.hexlify(self.rxByte), 16)
self.inputBuf += self.rxByte
self.prevByte = self.rxByte
continue
else:
self.inputBuf += self.rxByte
if len(self.inputBuf) >= self.framelength:
self.busyReceiving = False
self._process_inputbuf()
def _process_inputbuf(self):
if self.inputBuf[1].upper() == 'P':
print "received packet: " + ":".join("{:02x}".format(ord(c))
for c in self.inputBuf)
data = [int(binascii.hexlify(x), 16) for x in self.inputBuf]
data_tuple = self.parser_data.parseInput(data[2:])
(result, data) = self.routing_instance.meshToLbr_notify(data_tuple)
if not result:
if self.prev_pkt == data[4:]:
print "Duplicate packet"
self.inputBuf = ''
return
curr_packet_time = int(round(time.time() * 1000))
print "received data: " + ':'.join(
str(hex(i))
for i in data[4:]) + " , Packet Latency: " + str(
curr_packet_time - self.prev_packet_time)
print "received data len : " + str(len(data[4:]))
x = curr_packet_time - self.prev_packet_time
self.latency[1] = self.latency[1] + 1.0
if self.latency[1] > 1.0:
x = curr_packet_time - self.prev_packet_time
self.running_mean(x)
print "average latency: " + str(self.latency[0])
self.prev_packet_time = curr_packet_time
self.prev_pkt = data[4:]
elif self.inputBuf[1] == 'D':
print "debug msg: " + ":".join("{:02x}".format(ord(c))
for c in self.inputBuf[2:])
measured_data.append(int(binascii.hexlify(self.inputBuf[2]), 16))
#if(len(measured_data[str(payload_length)]) == 50):
if (len(measured_data) == 50):
print(json.dumps(measured_data))
f = open('measurement_radio_rcv_to_nxt_slot_127.json', 'w')
f.write(json.dumps(measured_data))
f.close()
payload_length = -1
self.close()
elif self.inputBuf[1] == 'R':
print "command response: " + ":".join("{:02x}".format(ord(c))
for c in self.inputBuf[2:])
elif self.inputBuf[1] == 'E':
print "------------------------------------------------------------------------"
print "error msg: " + ":".join("{:02x}".format(ord(c))
for c in self.inputBuf[2:])
print "------------------------------------------------------------------------"
elif self.inputBuf[1] == 'S':
#Sending commands to mote
#Here I am using global variables
#curr_packet_time = int(round(time.time() * 1000))
#print "request frame: " + str(curr_packet_time-self.rframe_latency)
#self.rframe_latency = curr_packet_time
global outputBuf
global outputBufLock
#global latency
if (len(outputBuf) > 0) and not outputBufLock:
outputBufLock = True
dataToWrite = outputBuf.pop(0)
outputBufLock = False
#print int(round(time.time() * 1000)) - latency
self.serial.write(dataToWrite)
#print len(dataToWrite)
print "injecting: " + ":".join("{:02x}".format(ord(c))
for c in dataToWrite)
self.inputBuf = ''
def _process_packet(self, packet):
print "process_packet_func"
def _fill_outputbuf(self):
#When user wants to send some data, data will be pushed to this buffer
print __name__
def close(self):
self.goOn = False
def prepare_UDP_packet(self, payload):
print "prepare_UDP_packet"
#Running mean implementation by storing only one element, and sample count
def running_mean(self, x):
#I have used 300 to make sure that first outlier is rejected, while calculating the average
tmp = self.latency[0] * max(self.latency[1] - 1, 1) + x
self.latency[0] = tmp / self.latency[1]
def __init__(self, host):
Routing.__init__(self, host)
self.net = None
def __init__(self, host):
Routing.__init__(self, host)
self.isStarted = False
atexit.register(self.stop)
def get_all_responses(user, sname, dbName, sdata):
u_resps = []
u_bin = user.BIN
if 'preamble' in sdata.keys() and sdata['preamble'] == True:
u_resps.append(None)
rt = Routing(sname, dbName)
curr_q = rt.getFirstQuestion()
while curr_q is not 'end':
curr_q = str(curr_q)
question_text = sdata[curr_q]["question_text"]
question_type = sdata[curr_q]["question_type"]
if sdata[curr_q]["demographic"]:
if sdata[curr_q]["choices"] and type(sdata[curr_q]["choices"]) is list: #works only for household income
hincp = user.HINCP
val = sdata[curr_q]["choices"][hincp-1]
else:
mapped_ora_col = sdata[curr_q]["mapped_ora_col"]
val = getattr(user, mapped_ora_col.upper())
u_resps.append({question_text : val})
nextq = rt.getNextQuestion(long(curr_q), val)
curr_q = nextq
else:
if sdata[curr_q]["range"]:
try:
key = sdata[curr_q]['range']['$ref']
mapped_ora_col = sdata[curr_q][key]
maxval = getattr(user, mapped_ora_col.upper())
except:
maxval = sdata[curr_q]['range']
val = numpy.random.choice(range(maxval),1) #excluding you
u_resps.append({question_text : val})
nextq = rt.getNextQuestion(long(curr_q), val)
curr_q = nextq
else:
if "Radio" in question_type:
pick = 1
ch_probs = sdata[curr_q]["choices"][u_bin]
choices = [ch for ch in ch_probs]
probs = [ch_probs[ch] for ch in ch_probs]
choose = numpy.random.choice(choices, pick, probs)
u_resps.append({question_text : choose[0]})
nextq = rt.getNextQuestion(long(curr_q), choose[0])
curr_q = nextq
elif "Check" in question_type:
chosen = []
temp = []
choices = sdata[curr_q]["choices"][u_bin]
#for key,value in choices.items():
# print key
# print value
# res = numpy.random.choice(['yes','no'],1,[value, 1-value])
# print res[0]
# #if res[0]=='yes':
# # print value
probs = numpy.random.uniform(size=(1, len(choices)))
samples = probs < choices.values()
print probs
print choices.values()
if numpy.any(samples): #returns True is any of the elements is True
resp = numpy.choose(numpy.where(samples[0, :]), choices.keys())
for r in range(resp.size):
chosen.append((question_text, resp.flat[r]))
temp.append(resp.flat[r])
else:
chosen.append((question_text, sdata[curr_q]["choices"]["default"]))
temp.append(sdata[curr_q]["choices"]["default"])
u_resps.append(chosen)
nextq = rt.getNextQuestion(long(curr_q), temp)
curr_q = nextq
elif "LineTextField" in question_type:
u_resps = 'single line or multi-line answers not supported'
curr_q = nextq
return u_resps
