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helpers.py
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import json
import random
def evaluateQuestion(question, category, difficulty, questionIDs, db):
isCategory = True if (category == "Any" or question['category'] == category) else False
isDifficulty = True if (difficulty == "Any" or question['difficulty'] == difficulty) else False
inList = question['id'] in questionIDs
inAllQuestions = db.execute('SELECT id FROM questions WHERE id = ?', question['id'])
if len(inAllQuestions) == 0:
answers = question['answers']
safeAnswers = {}
for answer in answers:
safeAnswer = answers[answer]
if safeAnswer:
safeAnswers[answer] = answers[answer].replace('\'', '').replace('?','')
db.execute('INSERT INTO questions (id, question, description, answers, multiple_correct_answers, correct_answers, correct_answer, explanation, tip, tags, category, difficulty) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)',
question['id'], str(question['question']), str(question['description']), json.dumps(safeAnswers), str(question['multiple_correct_answers']), json.dumps(question['correct_answers']), str(question['correct_answer']), str(question['explanation']), str(question['tip']), json.dumps(question['tags']), str(question['category']), str(question['difficulty'])
)
if isCategory and isDifficulty and not inList:
return True
return False
def addToList(question, questions, questionIDs):
questions += [question]
questionIDs += [question['id']]
def getRegex(category, difficulty):
categories = ["long", "short", "number", "form"]
functions = [getLongRegex, getShortRegex, getNumberRegex, getFormRegex]
if category == "any":
category = categories[random.randint(0,3)]
for index in range(0,len(categories)):
if categories[index] == category:
func = functions[index]
regex = func(difficulty)
return {'id': random.randint(0,100000), 'regex': regex}
def getLongRegex(difficulty):
params = numGroups(difficulty)
expression = ''
if params['lookbehind'] == True:
expression += '(?<=' + getRandomShortSnippet() + ")"
count = 1
while count < params['number']:
expression += getRandomLongSnippet()
count += 1
if params['lookahead'] == True:
expression += '(?=' + getRandomShortSnippet() + ")"
return expression
def getRandomLongSnippet():
options = [
'\w{NUMBER1,NUMBER2}',
'\w{NUMBER1,}',
'[ABCabc]{NUMBER1,NUMBER2}',
'[XYZ]{NUMBER1,NUMBER2}',
'(The\s|A\s|Any\s)',
'(Beep\s){NUMBER1, NUMBER2}',
'\w\w[A-Z]{NUMBER1, NUMBER2}-\w\w',
'\w\w[^A-Z]{1,}\w\w',
'\(\w{NUMBER1, NUMBER2}\)',
'\[[^a-z]{NUMBER1, NUMBER2}\]'
]
randomNum1 = random.randint(0,9)
randomNum2 = random.randint(0,9)
randomNum2str = str(randomNum2)
if randomNum2str == '0':
randomNum2str = ''
return options[random.randint(0,len(options) - 1)].replace('NUMBER1', str(randomNum1)).replace('NUMBER2', randomNum2str if randomNum2str == '' else str(randomNum1 + randomNum2))
def getShortRegex(difficulty):
params = numGroups(difficulty)
expression = ''
if params['lookbehind'] == True:
expression += '(?<=' + getRandomShortSnippet() + ")"
count = 1
while count < params['number']:
expression += getRandomShortSnippet()
count += 1
if params['lookahead'] == True:
expression += '(?=' + getRandomShortSnippet() + ")"
return expression
def getRandomShortSnippet():
options = [
'\w{NUMBER1,NUMBER2}',
'\w{NUMBER1,}',
'[ABCabc]{NUMBER1,NUMBER2}',
'[XYZ]{NUMBER1,NUMBER2}',
'(The\s|A\s|Any\s)',
'\w\w[A-Z]{NUMBER1, NUMBER2}-\w\w',
'\w\w[^A-Z]{1,}\w\w',
'\(\w{NUMBER1, NUMBER2}\)',
'\[[^a-z]{NUMBER1, NUMBER2}\]'
]
randomNum1 = random.randint(0,3)
randomNum2 = random.randint(0,2)
randomNum2str = str(randomNum2)
if randomNum2str == '0':
randomNum2str = ''
return options[random.randint(0,len(options) - 1)].replace('NUMBER1', str(randomNum1)).replace('NUMBER2', randomNum2str if randomNum2str == '' else str(randomNum1 + randomNum2))
def getNumberRegex(difficulty):
params = numGroups(difficulty)
expression = ''
if params['lookbehind'] == True:
expression += '(?<=' + getRandomNumberSnippet() + ")"
count = 1
while count < params['number']:
expression += getRandomNumberSnippet()
count += 1
if params['lookahead'] == True:
expression += '(?=' + getRandomNumberSnippet() + ")"
return expression
def getRandomNumberSnippet():
options = [
'\d{NUMBER1,NUMBER2}',
'\d{NUMBER1,}',
'[468]{NUMBER1,NUMBER2}',
'[069]{NUMBER1,NUMBER2}',
'(47\s|43\s|42\s)',
'\d\d[2-5]{NUMBER1, NUMBER2}\d-\d',
'\d\d[^0-9]{1,}\d\d',
'(\d{NUMBER1, NUMBER2})',
'\[[1-8]{NUMBER1, NUMBER2}\]'
]
randomNum1 = random.randint(0,3)
randomNum2 = random.randint(0,2)
randomNum2str = str(randomNum2)
if randomNum2str == '0':
randomNum2str = ''
return options[random.randint(0,len(options) - 1)].replace('NUMBER1', str(randomNum1)).replace('NUMBER2', randomNum2str if randomNum2str == '' else str(randomNum1 + randomNum2))
def getFormRegex(difficulty):
params = numGroups(difficulty)
options = [
'[+]*[(]{0,1}[0-9]{1,4}[)]{0,1}[-\s\./0-9]*',
'[\+]?[(]?[0-9]{3,3}[)]?[-\s\.]?[0-9]{3,3}[-\s\.]?[0-9]{4,6}',
"[(]{0,1}[0-9]{3}[)]{0,1}\s[0-9]{3}[-\s][0-9]{4}",
"[0-9]{4,4}[\s-][0-9]{4,4}[\s-][0-9]{4,4}[\s-][0-9]{4,4}",
"(42|44)[0-9]{2,2}[\s-][0-9]{4,4}[\s-][0-9]{4,4}[\s-][0-9]{4,4}",
"((\-?|\+?)?\d+(\.\d+)?),\s*((\-?|\+?)?\d+(\.\d+)?)",
"[0-3]?[0-9]/[0-3]?[0-9]/(?:[0-9]{2,2})?[0-9]{2,2}",
"[0-3][0-9]/[0-3][0-9]/(?:[0-9][0-9])?[0-9][0-9]",
"\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+",
"[a-z ,.'-]+$",
"[\w'\-,.][^0-9_!¡?÷?¿/\\+=@#$%ˆ&*(){}|~<>;:[\]]{2,}",
"[^i*&2@]",
"//[^\r\n]*[\r\n]",
"b[aeiou]bble",
"[b-chm-pP]at|ot",
"[Bb]rainf\*\*k",
"\d+(\.\d\d)?",
"mi.....ft",
"mi..n..ft"
]
expression = ''
if params['lookbehind'] == True:
expression += '(?<=' + getRandomNumberSnippet() + ")"
expression += options[random.randint(0, len(options))]
if params['lookahead'] == True:
expression += '(?=' + getRandomNumberSnippet() + ")"
return expression
def numGroups(difficulty):
if difficulty == "easy":
return {'number': 2, 'lookahead': False, 'lookbehind': False}
if difficulty == "medium":
return {'number': 3, 'lookahead': True, 'lookbehind': False}
if difficulty == "hard":
return {'number': 4, 'lookahead': True, 'lookbehind': False}
lookahead = True if random.randint(0,1) == 1 else False
lookbehind = False
number = random.randint(0,2) + 2
return { 'number': number, 'lookahead': lookahead, 'lookbehind': lookbehind}