Created
August 30, 2012 05:33
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CGPA Calculator with GUI [Tkinter]
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from Tkinter import * | |
import tkMessageBox | |
class App: | |
def __init__(self,parent): | |
self.parent = parent | |
self.frame_1 = Frame(parent) | |
self.frame_1.pack() | |
self.lbl_1 = Label(self.frame_1,text="Current CGPA :") | |
self.lbl_1.grid(row=0,column=0) | |
self.entry_1 = Entry(self.frame_1) | |
self.entry_1.grid(row=0,column=1) | |
self.lbl_2 = Label(self.frame_1,text="Units Completed :") | |
self.lbl_2.grid(row=1,column=0) | |
self.entry_2 = Entry(self.frame_1) | |
self.entry_2.grid(row=1,column=1) | |
self.lbl_3 = Label(self.frame_1,text="Number of Courses to add :") | |
self.lbl_3.grid(row=2,column=0) | |
self.entry_3 = Entry(self.frame_1) | |
self.entry_3.grid(row=2,column=1) | |
self.btn_1 = Button(parent,text="Add Courses !",command=self.add_courses) | |
self.btn_1.pack(pady=8) | |
self.frame_2 = Frame(parent) | |
self.frame_2.pack() | |
def add_courses(self): | |
if ((self.entry_3.get() != '') & (self.entry_3.get().isdigit())): | |
self.num_courses = int(self.entry_3.get()) | |
self.grades_list = [] | |
self.units_list = [] | |
self.lbl_units = Label(self.frame_2,text="Units :") | |
self.lbl_units.grid(row=0,column=0) | |
self.lbl_grades = Label(self.frame_2,text="Grades :") | |
self.lbl_grades.grid(row = 0,column=1) | |
for i in range (0, self.num_courses): | |
self.units_list.append(Spinbox(self.frame_2,values=(1,2,3,4,5,20))) | |
self.units_list[i].grid(row = i+1,column = 0,padx=10,pady=10) | |
self.grades_list.append(Spinbox(self.frame_2,values = ("A","A-","B","B-","C","C-","D","E"))) | |
self.grades_list[i].grid(row = i+1,column=1,padx=10,pady=10) | |
self.btn_calcCG = Button(self.parent,text="Calculate CGPA",command = self.calc_CG) | |
self.btn_calcCG.pack(pady=8) | |
self.btn_1.config(state = DISABLED) | |
else: | |
tkMessageBox.showinfo("Hey ! ", "Enter a Valid Value") | |
def calc_CG(self): | |
print "Calculating !" | |
credits_this_sem = 0 | |
units_this_sem = 0 | |
for j in range (0,self.num_courses): | |
credits_this_sem = credits_this_sem + int(self.units_list[j].get())*(self.grade(self.grades_list[j].get())) | |
units_this_sem = units_this_sem + int(self.units_list[j].get()) | |
final_cgpa = (credits_this_sem + float(self.entry_1.get())*int(self.entry_2.get())) / (units_this_sem+int(self.entry_2.get())) | |
tkMessageBox.showinfo("Predicted CGPA ", str(final_cgpa)) | |
def grade(self,grd): | |
dict_ = {'A':10,'A-':9,'B':8,'B-':7,'C':6,'C-':5,'D':4,'E':2} | |
return dict_[grd] | |
root=Tk() | |
app = App(root) | |
root.mainloop() |
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