Create student-management-system.py

student-management-system.py

@@ -0,0 +1,322 @@
+import pickle
+import time
+import os
+
+def set_data():
+    print("ENTER STUDENT'S DETAILS")
+    rollno = int(input('Enter roll number: '))
+    name = input('Enter name: ')
+    english = int(input('Enter Marks in English: '))
+    maths = int(input('Enter Marks in Maths: '))
+    physics = int(input('Enter Marks in Physics: '))
+    chemistry = int(input('Enter Marks in Chemistry: '))
+    cs = int(input('Enter Marks in CS: '))
+    print()
+
+    #create a dictionary
+    student = {}
+    student['rollno'] = rollno
+    student['name'] = name
+    student['english'] = english
+    student['maths'] = maths
+    student['physics'] = physics
+    student['chemistry'] = chemistry
+    student['cs'] = cs
+    return student
+
+
+def display_data(student):
+    print('\nSTUDENT DETAILS..')
+    print('Roll Number:', student['rollno'])
+    print('Name:', student['name'])
+    print('English:', student['english'])
+    print('Maths:', student['maths'])
+    print('Physics:', student['physics'])
+    print('Chemistry:', student['chemistry'])
+    print('CS:', student['cs'])
+
+def display_data_tabular(student):
+    print('{0:<8}{1:<20}{2:<10}{3:<10}{4:<10}{5:<10}{6:<10}'.format(student['rollno'],
+        student['name'], student['english'],student['maths'], student['physics'],
+        student['chemistry'],student['cs']))
+
+def class_result():
+    #open file in binary mode for reading
+    try:
+        infile = open('student.dat', 'rb')
+    except FileNotFoundError:
+        print('No record found..')
+        print('Go to admin menu to create record')
+        return
+
+    print('{0:<8}{1:<20}{2:<10}{3:<10}{4:<10}{5:<10}{6:<10}'.format('Rollno', 'Name', 'English', 'Maths','Physics','Chemistry','CS'))
+    #read to the end of file.
+    while True:
+        try:
+            #reading the oject from file
+            student = pickle.load(infile)
+
+            #display the record
+            display_data_tabular(student)
+        except EOFError:
+            break
+
+    #close the file
+    infile.close()
+
+def write_record():
+    #open file in binary mode for writing.
+    outfile = open('student.dat', 'ab')
+
+    while(True):
+        #serialize the record and writing to file
+        pickle.dump(set_data(), outfile)
+        ans = input('Wants to enter more record (y/n)?: ')
+        if ans in 'nN':
+            break
+
+    #close the file
+    outfile.close()
+
+
+def read_records():
+    #open file in binary mode for reading
+    try:
+        infile = open('student.dat', 'rb')
+    except FileNotFoundError:
+        print('No record found..')
+        return
+
+    #read to the end of file.
+    while True:
+        try:
+            #reading the oject from file
+            student = pickle.load(infile)
+
+            #display the record
+            display_data(student)
+        except EOFError:
+            break
+
+    #close the file
+    infile.close()
+
+def search_record():
+    #open file in binary mode for reading
+    try:
+        infile = open('student.dat', 'rb')
+    except FileNotFoundError:
+        print('No record..')
+        return
+
+    found = False
+    print('SEARCH RECORD')
+    rollno = int(input('Enter the rollno you want to search: '))
+    #read to the end of file.
+    while True:
+        try:
+            #reading the oject from file
+            student = pickle.load(infile)
+            if student['rollno'] == rollno:
+                #display the record
+                display_data(student)
+                found = True
+                break
+        except EOFError:
+            break
+    if found==False:
+        print('Record not found!!')
+
+    #close the file
+    infile.close()
+
+def delete_record():
+    print('DELETE RECORD')
+
+    try:
+        infile = open('student.dat', 'rb')
+    except FileNotFoundError:
+        print('No record found to delete..')
+        return
+
+    outfile = open("temp.dat","wb")
+    found = False
+
+    rollno = int(input('Enter roll number: '))
+    while True:
+        try:
+            #reading the oject from file
+            student = pickle.load(infile)
+
+            #display record if found and set flag
+            if student['rollno'] == rollno:
+                display_data(student)
+                found = True
+                break
+            else:
+                pickle.dump(student,outfile)
+        except EOFError:
+            break
+
+    if found == False:
+        print('Record not Found')
+        print()
+    else:
+        print("record found and deleted")    
+    infile.close()
+    outfile.close()
+    os.remove("student.dat")
+    os.rename("temp.dat","student.dat")
+
+def modify_record():
+    print('\nMODIFY RECORD')    
+    try:
+        infile = open('student.dat', 'rb')
+    except FileNotFoundError:
+        print('No record found to modify..')
+        return
+
+    found = False
+    outfile = open("temp.dat","wb")
+    rollno = int(input('Enter roll number: '))
+    while True:
+        try:
+            #reading the oject from file
+            student = pickle.load(infile)
+
+            #display record if found and set flag
+            if student['rollno'] == rollno:
+
+                print('Name:',student['name'])
+                ans=input('Wants to edit(y/n)? ')
+                if ans in 'yY':
+                    student['name'] = input("Enter the name ")
+
+                print('English marks:',student['english'])
+                ans=input('Wants to edit(y/n)? ')
+                if ans in 'yY':
+                    student['english'] = int(input("Enter new marks: "))
+
+                print('Maths marks:',student['maths'])
+                ans=input('Wants to edit(y/n)? ')
+                if ans in 'yY':
+                    student['maths'] = int(input("Enter new marks: "))
+
+                print('Physics marks:',student['physics'])
+                ans=input('Wants to edit(y/n)? ')
+                if ans in 'yY':
+                    student['physics'] = int(input("Enter new marks: "))
+
+                print('Chemistry marks:',student['chemistry'])
+                ans=input('Wants to edit(y/n)? ')
+                if ans in 'yY':
+                    student['chemistry'] = int(input("Enter new marks: "))
+
+                print('CS marks:',student['cs'])
+                ans=input('Wants to edit(y/n)? ')
+                if ans in 'yY':
+                    student['cs'] = int(input("Enter new marks: "))
+
+                pickle.dump(student,outfile)
+                found = True
+                break
+            else:
+                pickle.dump(student,outfile)
+        except EOFError:
+            break
+    if found == False:
+        print('Record not Found')
+    else:
+        print('Record updated')
+        display_data(student)
+
+    infile.close()
+    outfile.close()
+    os.remove("student.dat")
+    os.rename("temp.dat","student.dat")
+
+def intro():
+    print("="*80)
+    print("{: ^80s}".format("STUDENT"))
+    print("{: ^80s}".format("REPORT CARD"))
+    print("{: ^80s}".format("PROJECT"))
+    print("{: ^80s}".format("MADE BY: Adhyan Jain))
+    print("="*80)
+    print()
+
+def main_menu():
+    time.sleep(1)
+    print("MAIN MENU")
+    print("1. REPORT MENU")
+    print("2. ADMIN MENU")
+    print("3. EXIT")
+
+def report_menu():
+    time.sleep(1)
+    print("REPORT MENU")
+    print("1. CLASS RESULT")
+    print("2. STUDENT REPORT CARD")
+    print("3. BACK TO MAIN MENU")
+
+def admin_menu():
+    time.sleep(1)
+    print("\nADMIN MENU")
+    print("1. CREATE STUDENT RECORD")
+    print("2. DISPLAY ALL STUDENTS RECORDS")
+    print("3. SEARCH STUDENT RECORD ")
+    print("4. MODIFY STUDENT RECORD ")
+    print("5. DELETE STUDENT RECORD ")
+    print("6. BACK TO MAIN MENU")
+
+def main():
+    intro()
+    while(True):
+        main_menu()
+        choice = input('Enter choice(1-3): ')
+        print()
+
+        if choice == '1':
+            while True:
+                report_menu()
+                rchoice = input('Enter choice(1-3): ')
+                print()
+                if rchoice == '1':
+                    class_result()
+                elif rchoice == '2':
+                    search_record()
+                elif rchoice == '3':
+                    break
+                else:
+                    print('Invalid input !!!\n')
+                print()
+
+        elif choice == '2':
+            while True:
+                admin_menu()
+                echoice = input('Enter choice(1-6): ')
+                print()
+                if echoice == '1':
+                    write_record()
+                elif echoice == '2':
+                    read_records()
+                elif echoice == '3':
+                    search_record()
+                elif echoice == '4':
+                    modify_record()
+                elif echoice == '5':
+                    delete_record()
+                elif echoice == '6':
+                    break
+                else:
+                    print('Invalid input !!!\n')
+
+
+        elif choice == '3':
+            print('Thanks for using Student Management System')
+            break
+        else:
+            print('Invalid input!!!')
+            print()
+
+#call the main function.
+main()