def __init__(self):

self.app = Flask(__name__)

self.app.config['SECRET_KEY'] = 'hard to guess string'

self.path = ('/Users/apple/Desktop/questions')

self.login_manager = LoginManager()

self.login_manager.login_view = 'login'

self.login_manager.login_message_category = 'info'

self.login_manager.login_message = 'Access denied.'

self.login_manager.init_app(self.app)

def init_app(self):

self.login_manager.user_loader(self.load_user)

self.app.route('/favicon.ico')(self.favicon)

self.app.route('/')(self.index)

self.app.route('/questions/<questionName>', methods=['GET', 'POST'])(login_required(self.question))

self.app.route('/login', methods=['GET', 'POST'])(self.login)

self.app.route('/logout')(login_required(self.logout))

def load_user(self, userId):

if Users.getUser(userId) is not None:

myUser = Users.User()

myUser.id = userId

return myUser

def favicon(self):

return send_from_directory(os.path.join(self.app.root_path, 'static'),'favicon.ico', mimetype='image/vnd.microsoft.icon')

def index(self):

#return 'hello world'

questionList = []

for item in os.listdir(self.path):

if item.split('.')[-1] == 'xml':

questionList.append(item[:-4])

return render_template('index-template.html', questions=questionList)

def question(self, questionName):

myRunner = runner()

# get question text

myQuestionFile = rd(self.path, questionName + '.xml')

myQuestionText = myQuestionFile.getQuestion()

# get requirements

myRequirements = ''

for item in myQuestionFile.getExpectedOutputs():

myRequirements += item[0]

myRequirements += ' ---> '

myRequirements += item[1]

myRequirements += '|'

# programming field as form

programForm = ProgrammingForm()

# handle incoming data

if request.method == 'POST':

# get proper inputs and outputs

myInput = []

myOutput = []

for item in myQuestionFile.getExpectedOutputs():

myInput.append(item[0])

myOutput.append(item[1])

# send to online IDE

myResult = myRunner.checkValue(programForm.programField.data, myInput)

# check if correct and calculate result

displayResult = ''

processedMyResult = myResult['output'].split('\n')

processedMyResult.pop()

print("myresult: " + str(len(processedMyResult)))

print ("myoutput length: " + str(len(myOutput)))

flagAllCorrect = True

if len(processedMyResult) == len(myOutput):

for i in range(0, len(processedMyResult)):

displayResult += myInput[i] + ': '

if processedMyResult[i] == myOutput[i]:

displayResult += 'correct'

else:

displayResult += 'incorrect'

flagAllCorrect = False

displayResult += '|'

else:

displayResult = 'error:|'

flagAllCorrect = False

displayResult += myResult['output']

pass

# save student result

if flagAllCorrect:

saver.AppendStudentReport(programForm.programField.data + '\n\nResult:\n' + displayResult, self.path + '/StudentReports/' + questionName, current_user.get_id() + '.correct')

else:

saver.AppendStudentReport(programForm.programField.data + '\n\nResult:\n' + displayResult, self.path + '/StudentReports/' + questionName,

current_user.get_id() + '.incorrect')

#render result

return render_template('question-template.html', questionName=questionName, questionText=myQuestionText, requirements=myRequirements,

form=programForm, result=displayResult)

# render html

return render_template('question-template.html', questionName=questionName, questionText=myQuestionText, requirements=myRequirements, form=programForm)

def login(self):

if request.method == 'POST':

userId = request.form.get('userid')

myUser = Users.getUser(userId)

if myUser is not None and request.form['password'] == myUser['password']:

currUser = Users.User()

currUser.id = userId

# login with flask-login

login_user(currUser)

return redirect(url_for('index'))

# login fails

flash('Wrong username or password!')

return render_template('login.html')

def logout(self):

logout_user()