def change_difficulty_level(nodeId, langName):
importlib.reload(vari)
userId = vari.userId
category1 = "easy"
category2 = "medium"
category3 = "hard"
global diffi_new_level
#checking whether it contains node the easy level
diffList = ConnectionToNeo4j.getDifficultyList(userId, langName, category1)
diffList = diffList.split(',')
for val1 in diffList:
if val1 == nodeId:
diffi_new_level = "easy"
return diffi_new_level
#checking whether it contains node the medium level
diffList2 = ConnectionToNeo4j.getDifficultyList(userId, langName,
category2)
diffList2 = diffList2.split(',')
for val2 in diffList2:
if val2 == nodeId:
diffi_new_level = "medium"
return diffi_new_level
#checking whether it contains node the hard level
diffList3 = ConnectionToNeo4j.getDifficultyList(userId, langName,
category3)
diffList3 = diffList3.split(',')
for val3 in diffList3:
if val3 == nodeId:
diffi_new_level = "hard"
return diffi_new_level
def rewardForQuestion(languageName, subName, nodeId, difficultyLevel):
print(languageName)
print(subName)
print(nodeId)
print(difficultyLevel)
print("ANURUDDHA RESULTS")
print(languageName)
print(nodeId)
print(difficultyLevel)
print(subName)
importlib.reload(vari)
userid = vari.userId
# print(vari.Ftesting1(aa))
# print(vari.Vtesting1(bb))
# print(vari.Atesting1(cc))
# facial = vari.Ftesting1(aa) #have to remove
# voice = vari.Vtesting1(bb) #have to remove
# answer = vari.Atesting1(cc) #have to remove
facial = 20 #have to remove
voice = 20 #have to remove
answer = 38 #have to remove
total = (facial + voice + answer)
print("Total = ", total)
total = int(total)
if (0 < total <= 20):
state = 1
print("State = ", state)
elif (21 < total <= 40):
state = 2
print("State = ", state)
elif (41 < total <= 60):
state = 3
print("State = ", state)
elif (61 < total <= 80):
state = 4
print("State = ", state)
else:
state = 5
print("State = ", state)
# -----------------------------------------------------------------------------------
# Get the latest updated q-table from ontology - only for shown
print("--------Output 1-------------------------------------------")
print("Latest updated q-table regarding asked knowledge area \n",
ConnectionToNeo4j.createQtable1(languageName, subName))
print(type(ConnectionToNeo4j.createQtable1(languageName, subName)))
# data = R
# print("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&")
# Get the String array matrix from ontology - split
# I = np.array(ConnectionToNeo4j.createQtable1(languageName, subName)).tolist()
# Z = I.split(" ")
QuestionAsked = "new"
# print("Z-spit krapu 1 \n", Z)
# print(type(Z)) --> Gives List
# to remove the []
# number = " ".join(Z)
# print("this remove[] \n", number)
# print(type(number)) --> Gives String
if QuestionAsked == "existing":
R = ConnectionToNeo4j.createQtable1(languageName, subName)
else:
R = np.matrix([[0.0, 0.0, 0.0, 0.0, 0.0], [0.0, 0.0, 0.0, 0.0, 0.0],
[0.0, 0.0, 0.0, 0.0, 0.0], [0.0, 0.0, 0.0, 0.0, 0.0],
[0.0, 0.0, 0.0, 0.0, 0.0]])
print(
"------Rewarding process is starting----------------------------------------"
)
# Q matrix
Q = np.matrix(np.zeros([5, 5]))
if state == 5:
R[0, 4] = total
elif state == 4:
R[1, 3] = total
elif state == 3:
R[2, 2] = total
elif state == 2:
R[3, 1] = total
else:
R[4, 0] = total
# Gamma (learning parameter).
gamma = 0.8
# Initial state
if state == 5:
initial_state = 4
else:
initial_state = state
# initial_state = state
# This function returns all available actions in the state given as an argument
def available_actions(state):
current_state_row = R[state, ]
av_act = np.where(current_state_row >= 0)[1]
return av_act
# Get available actions in the current state
available_act = available_actions(initial_state)
# This function chooses at random which action to be performed within the range
def sample_next_action(available_actions_range):
next_action = int(np.random.choice(available_act, 1))
return next_action
# Sample next action to be performed
action = sample_next_action(available_act)
# This function updates the Q matrix
def update(current_state, action, gamma):
max_index = np.where(Q[action, ] == np.max(Q[action, ]))[1]
if max_index.shape[0] > 1:
max_index = int(np.random.choice(max_index, size=1))
else:
max_index = int(max_index)
max_value = Q[action, max_index]
# Q learning formula - Reward Function
Q[current_state, action] = R[current_state, action] + gamma * max_value
# Update Q matrix
update(initial_state, action, gamma)
# -------------------------------------------------------------------------------
# Create the reward value
# iterarte the process
for i in range(100):
current_state = np.random.randint(0, int(Q.shape[0]))
available_act = available_actions(current_state)
action = sample_next_action(available_act)
update(current_state, action, gamma)
print("New q table \n", Q)
# ----------------------------------------------------------------------------------------------------------------
# Save the Q-metrix in text file
print(" Maximum reward value:")
print(np.max(Q))
T = Q * 100 / np.max(Q)
print("\n Convert q-table to precentage scale")
print(T)
print(type(T))
# np.savetxt('Database/text.txt', T, fmt='%f')
print("--------Output 2-------------------------------------------")
print("Find the Difficulty level index, containing the max reward")
newOne = np.unravel_index(np.argmax(T, axis=None), T.shape)
# print(type(newOne)) --> Gives Tuple
print(newOne)
[m, n] = newOne
print(n)
# print(type(n)) --> Gives numpy.int32
convertStr = str(n)
# print(type(convertStr)) --> Gives String
if convertStr == "0" or convertStr == "1":
rewardState = "hard"
elif convertStr == "2":
rewardState = "medium"
else:
rewardState = "easy"
print(rewardState)
# -------------------------------------------------------
# send to ontology
# -------------------------------------------------------
# send to ontology
print("\n Then the updated q-table is sent to the ontology")
qTableCreated = str(T)
print(type(qTableCreated))
ConnectionToNeo4j.sendQtable(languageName, subName, qTableCreated)
# -------------------------------------------------------------------------------
# --update the ontology---------------------------
print("--------Output 3-------------------------------------------")
print("Get the existing difficulty list \n")
print(
ConnectionToNeo4j.getDifficultyList(userid, languageName,
difficultyLevel))
getDiffList = str(
ConnectionToNeo4j.getDifficultyList(userid, languageName,
difficultyLevel))
print(getDiffList)
# print(type(getDiffList))
getDiffList2 = getDiffList.split(',')
getDiffList2.remove(str(nodeId))
getDiffList3 = list(map(int, getDiffList2))
print("then removed node and int it \n", getDiffList3)
# print(type(getDiffList3)) --> Gives list
str_getDiffList3 = ','.join(str(e) for e in getDiffList3)
print("Convert to String to save \n", str_getDiffList3)
# print(type(str_getDiffList3)) --> Gives string
# update the existing category with new value
ConnectionToNeo4j.sendExistingDifficultyList(userid, languageName,
difficultyLevel,
str_getDiffList3)
print("\n --------Output 4-------------------------------------------")
print("Get the new difficulty list to update \n")
# get the new category list
getNewList = ConnectionToNeo4j.getNewRewardList(userid, languageName,
rewardState)
print(ConnectionToNeo4j.getNewRewardList(userid, languageName,
rewardState))
# print(type(getNewList)) --> Gives string
# print(type(nodeId)) --> Gives Integer
str_nodeId = str(nodeId)
# print(type(str_nodeId)) --> Gives String
getnewList = getNewList.split(',')
getnewList.append(str_nodeId)
print("append new nod = ", getnewList)
str_getDiffList4 = ','.join(str(e) for e in getnewList)
print("converted to string =", str_getDiffList4)
print("Appended new list \n", str_getDiffList4)
# send to the new list to the new category
ConnectionToNeo4j.sendNewDifficultyList(userid, languageName, rewardState,
str_getDiffList4)
def rewardForQuestion(languageName, nodeId, difficultyLevel):
# languageName = "python"
# nodeId = 10
# difficultyLevel = "medium"
userid = vari.userId
facial = 10 #have to remove
voice = 10 #have to remove
answer = 20 #have to remove
total = (facial + voice + answer)
print("Total = ", total)
total = int(total)
if (0 < total <= 20):
state = 1
print("State = ", state)
elif (21 < total <= 40):
state = 2
print("State = ", state)
elif (41 < total <= 60):
state = 3
print("State = ", state)
elif (61 < total <= 80):
state = 4
print("State = ", state)
else:
state = 5
print("State = ", state)
# -----------------------------------------------------------------------------------
# Get the latest updated q-table from ontology - only for shown
print("@@@@@This part for get from ontology@@@@@@@@@@@@@@@@@@@@@@@@@")
print("It is updated correctly \n",
ConnectionToNeo4j.createQtable1(languageName))
print(type(ConnectionToNeo4j.createQtable1(languageName)))
print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@")
# data = R
print("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&")
# Get the String array matrix from ontology - split
I = np.array(ConnectionToNeo4j.createQtable1(languageName)).tolist()
Z = I.split(" ")
print("Z-spit krapu 1 \n", Z)
print(type(Z))
# to remove the []
number = " ".join(Z)
print("this remove[] \n", number)
print(type(number))
print("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&")
# H = [float(i) if '.' in i else int(i) for i in number]
# H = np.asfarray(number,float)
# print("This str - float")
# print(type(H))
# Re-change it into 5,5 array
# qTableCreated = H.reshape(5,5)
# print(type(qTableCreated))
# print(qTableCreated)
# change it into matrix
# R = np.matrix(number)
# print(type(R))
# print(R)
R = np.matrix([[64.0, 64.0, 64.0, 64.0, 64.0],
[64.0, 64.0, 64.0, 64.0, 64.0],
[64.0, 64.0, 64.0, 64.0, 64.0],
[64.0, 64.0, 64.0, 64.0, 64.0],
[64.0, 64.0, 64.0, 64.0, 64.0]])
# try:
# I = float(ConnectionToNeo4j.createQtable1(languageName))
# R = np.matrix(I)
# except ValueError:
# print("That is not a valid number of miles")
# matrix = open(fname).read()
# matrix = [item.split('\n') for item in matrix.split('\n')]
# R = matrix.reshape((matrix.shape[0], 5))
# print("Get from text file-latest updated \n", R)
print("----------------------------------------------")
# Q matrix
Q = np.matrix(np.zeros([5, 5]))
if state == 1:
R[0, 4] = total
elif state == 2:
R[1, 3] = total
elif state == 3:
R[2, 2] = total
elif state == 4:
R[3, 1] = total
else:
R[4, 0] = total
# Gamma (learning parameter).
gamma = 0.8
# Initial state
if state == 5:
initial_state = 4
else:
initial_state = state
# initial_state = state
# This function returns all available actions in the state given as an argument
def available_actions(state):
current_state_row = R[state, ]
av_act = np.where(current_state_row >= 0)[1]
return av_act
# Get available actions in the current state
available_act = available_actions(initial_state)
# This function chooses at random which action to be performed within the range
def sample_next_action(available_actions_range):
next_action = int(np.random.choice(available_act, 1))
return next_action
# Sample next action to be performed
action = sample_next_action(available_act)
# This function updates the Q matrix
def update(current_state, action, gamma):
max_index = np.where(Q[action, ] == np.max(Q[action, ]))[1]
if max_index.shape[0] > 1:
max_index = int(np.random.choice(max_index, size=1))
else:
max_index = int(max_index)
max_value = Q[action, max_index]
# Q learning formula
Q[current_state, action] = R[current_state, action] + gamma * max_value
# Update Q matrix
update(initial_state, action, gamma)
# -------------------------------------------------------------------------------
# Create the reward value
# iterarte the process
for i in range(100):
current_state = np.random.randint(0, int(Q.shape[0]))
available_act = available_actions(current_state)
action = sample_next_action(available_act)
update(current_state, action, gamma)
print("-----------------------")
print("New updated one \n", Q)
print("-----------------------")
# ----------------------------------------------------------------------------------------------------------------
# Save the Q-metrix in text file
print(" Maximum value:")
print(np.max(Q))
T = Q * 100 / np.max(Q)
print("^^^^^^^^^^^^^^^^^^^^^^^^^^")
print(T)
np.savetxt('../Database/text.txt', T, fmt='%f')
print("-----New - 6-----------------------------------------")
# -------------------------------------------------------
# send to ontology
qTableCreated = str(T)
ConnectionToNeo4j.sendQtable(languageName, qTableCreated)
# -------------------------------------------------------------------------------
print("------New - 7----------------------------------------")
# convert to probability value
if state == 3:
convertProb = "{0:.0f}%".format((np.max(Q) / 10) - 11)
# convertProb = getProb - 10.0
print("Precentage of difficulty - ", convertProb)
else:
convertProb = "{0:.0f}%".format(np.max(Q) / 10)
print("Precentage of difficulty - ", convertProb)
# --send to precentage value to ontology--------------
print(type(convertProb))
convertProb2 = int(convertProb.strip("%"))
print(convertProb2)
# --identify the state--------------
print("------New - 8----------------------------------------")
if convertProb2 <= 15:
rewardState = "hard"
elif convertProb2 <= 30:
rewardState = "medium"
else:
rewardState = "easy"
print(rewardState)
print(type(rewardState))
# --update the ontology---------------------------
print(
"-------New - 9- update the existing list--------------------------------------"
)
print(
ConnectionToNeo4j.getDifficultyList(userid, languageName,
difficultyLevel))
getDiffList = str(
ConnectionToNeo4j.getDifficultyList(userid, languageName,
difficultyLevel))
print("get existing list", getDiffList)
print(type(getDiffList))
print("########exiting list 1 gattaa \n")
getDiffList2 = getDiffList.split(',')
getDiffList2.remove(str(nodeId))
getDiffList3 = list(map(int, getDiffList2))
print("this removed node and int it", getDiffList3)
print(type(getDiffList3))
str_getDiffList3 = ','.join(str(e) for e in getDiffList3)
print("This is converted str", str_getDiffList3)
print(type(str_getDiffList3))
print("#######now get the new list to update exiting one \n")
# update the existing category with new value
ConnectionToNeo4j.sendExistingDifficultyList(userid, languageName,
difficultyLevel,
str_getDiffList3)
print(
"-------New - 10- update the new list--------------------------------------"
)
# get the new category list
getNewList = ConnectionToNeo4j.getNewRewardList(userid, languageName,
rewardState)
print(ConnectionToNeo4j.getNewRewardList(userid, languageName,
rewardState))
print(type(getNewList))
print(type(nodeId))
str_nodeId = str(nodeId)
print(type(str_nodeId))
getnewList = getNewList.split(',')
print("1", getnewList)
getnewList.append(str_nodeId)
print("append new nod = ", getnewList)
# getDiffList4 = [int(i) for i in appendNewNode]
# print("this append and transfer int ", getDiffList4)
# print(type(getDiffList4))
str_getDiffList4 = ','.join(str(e) for e in getnewList)
print("This is converted str", str_getDiffList4)
print(type(str_getDiffList4))
print("Now it appended \n", str_getDiffList4)
# send to the new list to the new category
ConnectionToNeo4j.sendNewDifficultyList(userid, languageName, rewardState,
str_getDiffList4)
print(type(str_getDiffList4))