| 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() |
