def operation2(self, op, element):
"""
similar to normal operation but it happens when we have a sign
before the number - i.e. the operation happens to the top of
the stack
"""
op_dict = { "+" : (lambda x, y : x + y),\
"-" : (lambda x, y : x - y),\
"/" : (lambda x, y : x // y),\
"%" : (lambda x, y : x % y),\
"*" : (lambda x, y : x * y),\
"^" : (lambda x, y : pow(x,y))}
if self.stack_ok("Operation2"):
if self.operation_ok(op, element):
self.stack[-1] = self.saturate(op_dict[op](\
self.stack[-1],\
element))
elif op == "/":
return Result(RT.ER, Error(ERROR.DIV0))
return Result(RT.OP, self.stack[-1])
elif self.stack_ok("stack empty?"):
"""
if the stack is empty then we just add the result to the
stack
"""
return Result(RT.ER, Error(ERROR.ST_UNDRF,2))
else:
return Result(RT.ER, Error(ERROR.ST_UNDRF))
def action(self, action):
"""
Defines the return for for
"""
if self.stack_ok("stack empty?"):
actions = { "d" : Result(RT.DT, -2147483648),\
"=" : Result(RT.ER, Error(ERROR.ST_EMPTY))}
else:
actions = { "d" : Result(RT.DS, self.stack),\
"=" : Result(RT.DT, self.stack[-1])}
return actions[action]
def insert_data(self, data):
"""
inserts data into the stack and returns a Result containing the
last number inserted
"""
if self.stack_ok("Insert"):
data = self.saturate(data)
self.stack.append(data)
return Result(RT.IN,data)
else: # stack overflow
return Result(RT.ER,Error(ERROR.ST_OVRFL))
def create_list(self, element):
try:
if self.is_number(element): # check if it is a number
# print("is number")
element = int(element)
result = self.insert_data(element)
self.prepare_response(result)
elif self.is_op(element): # check if it is an operation
self.prepare_response(self.operation(element))
elif self.is_action(element): # check if it is an action
#print("is action")
self.prepare_response(self.action(element))
elif self.is_eval(element): # check if it is a simple evaluation
#print("is eval")
element = self.prepare_eval(element)
self.prepare_response(self.evaluate(element))
elif self.is_special_eval(element):
response = self.sp_eval(element)
self.prepare_response(response)
if response.code == RT.ER and \
response.data == Error(ERROR.ST_UNDRF,2):
self.prepare_response(self.evaluate(element[1:]))
else:
if element == "":
self.prepare_response(Result(RT.DO_NOTHING))
else:
for letter in element:
self.prepare_response(\
Result(RT.ER, Error(ERROR.UNRECOGN, letter)))
except Exception as e:
print(e)
def operation(self, op):
op_dict = { "+" : (lambda x, y : x + y),\
"-" : (lambda x, y : x - y),\
"/" : (lambda x, y : x // y),\
"%" : (lambda x, y : x % y),\
"*" : (lambda x, y : x * y),\
"^" : (lambda x, y : pow(x,y))}
if self.stack_ok("Operation"):
if self.operation_ok(op):
self.stack[-2] = self.saturate(op_dict[op](\
self.stack[-2],\
self.stack[-1]))
self.stack.pop(-1)
elif op == "/":
return Result(RT.ER, Error(ERROR.DIV0))
return Result(RT.OP, self.stack[-1])
else:
return Result(RT.ER, Error(ERROR.ST_UNDRF))
def quiz(category, save):
"""Allows the user to complete the quiz
Arguments:
school {School} -- The school that the quiz is currently set up for
year {Year_Group} -- The year-group that the quiz is currently set up
for
category {str} -- The category that the questions shall be for
save {Save} -- The save file that shall be saved to disk
"""
while 1:
school = None
year = None
if save.schools:
school_choice = print_menu(
"Please choose a school",
[school.name for school in save.schools])
school = save.schools[school_choice]
else:
print(
"There are currently no schools to pick from. Please add a school to continue"
)
break
if school:
if school.year_groups:
yeargroup_choice = print_menu(
"Please choose a year-group",
[year.year for year in school.year_groups])
year = school.year_groups[yeargroup_choice]
else:
print(
"There are currently no year-groups to pick from with your current choice of school. Please add a yeargroup to continue"
)
else:
print("Please set a school before setting a year-group")
questions = []
for question in save.questions:
if question.question_category == category:
questions.append(question)
if len(questions) < 10:
print("There are not enough questions for a quiz in this category")
break
else:
questions = random.sample(questions, 10)
student = Student(school, year)
random.shuffle(questions)
answers = []
for question in questions:
print()
index = random.randint(0, 3)
options = list(question.incorrect_answers)
options.insert(index, question.correct_answer)
choice = print_menu(question.question_text, options)
clear_screen()
if choice == index:
answers.append((question, Answer(True)))
print("\nCorrect!")
else:
answers.append((question, Answer(False)))
print("\nIncorrect...")
print("The correct answer is:", question.correct_answer)
result = Result(answers, student)
if save.results:
save.results = save.results + [result]
else:
save.results = [result]
print()
print("Congratulations! You scored: " + str(
len([answer for answer in answers if answer[1].correct is True])) +
"/" + str(len(answers)))
print()
save_data(save)
time.sleep(5)
clear_screen()
#routes
tweetsuite.add_url_rule('/',
view_func=MainLine.as_view('index'),
methods=["Get", "POST"])
tweetsuite.add_url_rule('/login',
view_func=Login.as_view('login'),
methods=["Get", "POST"])
tweetsuite.add_url_rule('/search/',
view_func=Search.as_view('search'),
methods=['GET', 'POST'])
tweetsuite.add_url_rule('/register/',
view_func=Register.as_view('register'),
methods=['GET', 'POST'])
tweetsuite.add_url_rule('/result/',
view_func=Result.as_view('result'),
methods=['GET'])
tweetsuite.add_url_rule('/logout',
view_func=Logout.as_view('logout'),
methods=['GET'])
tweetsuite.add_url_rule('/demo',
view_func=Demo.as_view('demo'),
methods=['GET'])
#handler to page not found - or incorrect URL
@tweetsuite.errorhandler(404)
def page_not_found(error):
return flask.redirect(flask.url_for('login'))
@author: Quantum Solutions
"""
from flask import Flask, request, redirect, url_for
from flask import render_template, session
from flask.views import MethodView
from classes.search import Search
from classes.result import Result
from classes.utils import InitializeTweepyAPI
tweetsuite = application = Flask(__name__)
tweetsuite.secret_key = "social" # needed for sessions
class Mainline(MethodView):
def get(self):
session.pop('query', None) # Reset query value in session
session.pop('username', None) # Reset username value in session
initialize = InitializeTweepyAPI()
return render_template('index.html')
tweetsuite.add_url_rule('/', view_func=Mainline.as_view('index'))
tweetsuite.add_url_rule('/search', view_func=Search.as_view('search'))
tweetsuite.add_url_rule('/result', view_func=Result.as_view('result'))
if __name__ == '__main__':
tweetsuite.run(debug=False)
#routes
tweetsuite.add_url_rule('/',
view_func=MainLine.as_view('index'),
methods=["Get","POST"])
tweetsuite.add_url_rule('/login',
view_func=Login.as_view('login'),
methods=["Get","POST"])
tweetsuite.add_url_rule('/search/',
view_func=Search.as_view('search'),
methods=['GET','POST'])
tweetsuite.add_url_rule('/register/',
view_func=Register.as_view('register'),
methods=['GET','POST'])
tweetsuite.add_url_rule('/result/',
view_func=Result.as_view('result'),
methods=['GET'])
tweetsuite.add_url_rule('/logout',
view_func=Logout.as_view('logout'),
methods=['GET'])
tweetsuite.add_url_rule('/demo',
view_func=Demo.as_view('demo'),
methods=['GET'])
#handler to page not found - or incorrect URL
@tweetsuite.errorhandler(404)
def page_not_found(error):
return flask.redirect(flask.url_for('login'))
if _platform == "win32":
application.debug = True
