I pickled my tuple

Question

I'm still new to python. I'm working the framework for a larger project. This program makes you think of either a circle or square, then it ask four questions, then decides on an answer.

I'm on the last step of the framework, but ran into a problem. I get "global name 'qas1' is not defined"

Line 50 in getQuestion question = 'qas' Global name 'qas' is not defined

This happend when I tried to pickle my tuples.

Here is my loading program to create the pickle file that contains my tuples:

import cPickle
import os

qas1 = [
('Are you more like Waffle or a Pancake'), 
('1. Waffle', 1, 0),
('2. Pancake', 0, 1)
]

qas2 = [
('Do you have a straight edge?'),
('1. Yes', 1, 0),
('2. No', 0, 1)
]

qas3 = [
('Are you simliar in shape to a lolipop?'),
('1. Yes', 0, 1),
('2. No', 1, 0)
]
qas4 = [
('Is the world rounded like a planet, or flat like a map?'),
('1. Rounded', 0, 1),
("2. Flat", 1, 0)
]

def hasFile():
    print 'I see the file'
    qas_file = open('qas.dat', 'r')
    qas1 = cPickle.load(qas_file)
    qas2 = cPickle.load(qas_file)
    qas3 = cPickle.load(qas_file)
    qas4 = cPickle.load(qas_file)
    qas_file.close
    confirmer()

def noFile():
    print 'I dont see a file...'
    saver()

def confirmer():
    print qas1
    print qas2
    print qas3
    print qas4

def saver():
    qas_file = open('qas.dat', 'w')
    print 'No worries, creating one now'
    cPickle.dump(qas1, qas_file)
    cPickle.dump(qas2, qas_file)
    cPickle.dump(qas3, qas_file)
    cPickle.dump(qas4, qas_file)
    qas_file.close
    print 'all done'

fname = "qas.dat"
if os.path.isfile(fname):
    hasFile()
else:
    noFile()

The code worked okay, but when I tried to use the file that it created I ran into problems.

import cPickle

#Counters
counterCircle = 0
counterSquare = 0

# tuples
def hasFile():
    print 'I see the file'
    qas_file = open('qas.dat', 'r')
    qas1 = cPickle.load(qas_file)
    qas2 = cPickle.load(qas_file)
    qas3 = cPickle.load(qas_file)
    qas4 = cPickle.load(qas_file)
    qas_file.close



#varibles Im made to assign
messageDisplayed = 0
question = 'beer'

#prints to screen   
def showQaA():
    print question[0]
    print question[1][0]
    print question[2][0]

#recieves and implements responses
def getResponce():
    global counterCircle
    global counterSquare
    global qas1, qas2, qas3, qas4
    ansew = raw_input('>> ')
    if ansew == "1":
        counterSquare = counterSquare + question[1][1]#(+1)
        counterCircle = counterCircle + question[1][2]#(+0)
    elif ansew == "2":
        counterSquare = counterSquare + question[2][1]#(+0)
        counterCircle = counterCircle + question[2][2]#(+1)
    print counterCircle
    print counterSquare


#Gets the current tuple infomation to display (Will be more advanced)
def getQuestion():
    global question
    if messageDisplayed == 0:
        question = qas1
    elif messageDisplayed == 1:
        question = qas2
    elif messageDisplayed == 2:
        question = qas3
    elif messageDisplayed == 3:
        question = qas4
    else:
        print 'youre screwd'

#figures out and prints results
def results():
    print "This is the circle results", counterCircle
    print "This is the square results", counterSquare
    if counterSquare < counterCircle:
        print "You are a circle!"
    elif counterSquare > counterCircle:
        print "You are a square!"
    else:
        print "You are the elusive squircle!"

#mainLoop currently set to 4 questions
hasFile()
while messageDisplayed <=3:
    getQuestion()
    showQaA()
    getResponce()
    messageDisplayed +=1
results()

It is a lot of code to look at, I know. When the program first loads the name qas1 it reconizes that it is a tuple, but when I try to pass the properties to 'question' in getQuestion(): it forgets what they were. Any ideals what the problem is?

Answer 1

In your second file, qas[1-4] are all local to the hasFile function. Make them global, and your code will work:

def hasFile():
   global qas1, qas2, qas3, qas4
   # etc

The same bug occurs in the first code, but it is harder to notice - the four variables are still assigned only in the function - this shadows the identically-named global variables, leaving them unchanged. However, since loading them isn't expected to change their content, it appears to work.