def __init__(self, school_db):
init_db = SchoolInitializer()
self.students = init_db.students
self.courses = init_db.courses
self.professors = init_db.professors
self.enrollments = init_db.enrollments
self.school_db = SchoolDB(self)
def __init__(self, *args, **kwargs):
Tk.__init__(self, *args, **kwargs)
self.school_db = SchoolDB(SchoolInitializer())
Tk.wm_title(self, 'Contoso University')
self.menubar = MainMenu(self)
self.config(menu=self.menubar)
self.frames = {}
self.__init_frames()
class Gradebook:
def __init__(self, school_db):
init_db = SchoolInitializer()
self.students = init_db.students
self.courses = init_db.courses
self.professors = init_db.professors
self.enrollments = init_db.enrollments
self.school_db = SchoolDB(self)
def main(self):
GRADE_UPDATE = 1
PRINT_GPA = 2
PRINT_ALL = 3
SAVE_DATA = 4
QUIT_MENU = 5
choice = 0
print("=" * 47)
print("=" * 10, "Welcome to GPA CALC v0.13", "=" * 10)
print('\t' * 2, "ACEDEMIC MAIN MENU", '\t' * 2)
while choice != QUIT_MENU:
self.menu_selections()
choice = int(input("please select an action: "))
if choice == GRADE_UPDATE:
enroll_key = int(input("Enter enroll ID: "))
if enroll_key in self.enrollments:
enroll = self.enrollments.get(enroll_key)
grade = input("Enter grade: ")
enroll.grade = grade
else:
print("Enroll ID not found: ")
keep_going = input("continue? y/n: ")
elif choice == PRINT_GPA:
student_id = int(input("enter student ID: "))
if student_id in self.students:
student = self.students.get(student_id)
transcript = Transcript(self.enrollments)
transcript.print_transcript(student)
else:
print("Student ID not found")
elif choice == PRINT_ALL:
for enrollment in self.enrollments.values():
enrollment.print_record()
elif choice == SAVE_DATA:
self.school_db.save_data()
def menu_selections(self):
print("1: update a student's grades",'\n'\
"2: print a student's transcript", '\n'\
"3: print full enrollment list", '\n'\
"4: Save enrollments to database", '\n'\
"5: Quit")
class ContosoApp(Tk):
"""This is the main application window"""
def __init__(self, *args, **kwargs):
Tk.__init__(self, *args, **kwargs)
self.school_db = SchoolDB(SchoolInitializer())
Tk.wm_title(self, 'Contoso University')
self.menubar = MainMenu(self)
self.config(menu=self.menubar)
self.frames = {}
self.__init_frames()
def __init_frames(self):
container = Frame(self)
container.pack(side="top", fill="both", expand=True)
container.grid_rowconfigure(0, weight=1)
container.grid_columnconfigure(0, weight=1)
for frame in (AboutFrame, CourseFrame, EnrollmentFrame, StudentFrame):
if frame.__name__ == "AboutFrame":
current_frame = frame(container)
else:
current_frame = frame(container, self.school_db)
self.frames[frame.__name__] = current_frame
current_frame.grid(row=0, column=0, sticky="nsew")
def show_frame(self, frame_name):
frame = self.frames[frame_name]
Tk.wm_title(self,
'Contoso University - ' + frame_name.replace('Frame', ''))
frame.tkraise()
def save_data(self):
self.school_db.save_data()
transcript = Transcript(self.enrollments)
student = self.students.get(student_id)
transcript.print_transcript(student)
elif choice == '3':
for enrollment in self.enrollments.values():
enrollment.print_record()
elif choice == '4':
self.school_db.save_data()
print()
def __display_menu(self):
print("Academic Main Menu")
print()
print("1) Update Grade")
print("2) Print Student GPA")
print("3) Print All Enrollments")
print("4) Save Data")
print()
return input("Enter 1, 2, 3, or e to exit")
db = SchoolDB(SchoolInitializer())
gradebook = Gradebook(db)
gradebook.main()