def main():
reg = False
privileges = 0
while True:
try:
if not reg or privileges == 0:
press = int(input("1.Enter to account\n2.Exit\n"))
if press == 1:
login = input("Enter your login:\n(letters and numbers only)\n")
if login.isalnum():
password = input("Enter your password:\n(letters and \
numbers only)\n")
if password.isalnum():
auto = Authorization(login, password)
print(auto.login)
print(auto.password)
reg, privileges = auto.check_log_pass_registration()
print(f'privileges:{privileges}, reg:{reg}')
if press == 2:
print("Good buy")
break
if reg and privileges == 1:
choice = int(input("1.Add student\n2.Change(delete) student\n3.Get full DB info\n4.Login out\n5.Quit\n"))
if choice == 1:
fname = input("Input student first name\n")
lname = input("Input student last name\n")
stud_card_num = input("Input student card number\n")
faculty = input("Input student faculty\n")
if fname.isalpha() and lname.isalpha() and stud_card_num.isalnum() and faculty.isalpha():
db_manager = DBManager(privileges, choice)
reg, privileges = db_manager.add_student(fname, lname, stud_card_num, faculty)
print(f'privileges:{privileges}, reg:{reg}')
if choice == 2:
db_manager = DBManager(privileges, choice)
reg, privileges = db_manager.change_del_student()
if choice == 3:
db_manager = DBManager(privileges, choice)
reg, privileges = db_manager.get_db_info()
print(f'privileges:{privileges}, reg:{reg}')
if choice == 4:
reg = False
privileges = 0
if choice == 5:
reg = False
privileges = 0
break
if reg and privileges == 2:
choice = int(input("1.Get full DB info\n2.Get a straight-A students list\n3.Get full info about "
"students by ID\n4.Get full info about student by student card number\n5.Login out\n"
"6.Quit\n"))
if choice == 1:
db_manager = DBManager(privileges, choice)
reg, privileges = db_manager.get_db_info()
print(f'privileges:{privileges}, reg:{reg}')
if choice == 2:
grade = input("Enter a minimum grade(not including it):\n")
print("Here is a full A-grade student list:\n")
db_manager = DBManager(privileges, choice)
reg, privileges = db_manager.get_agrade(grade)
if choice == 3:
stud_id = input("Enter student id:\n")
if stud_id.isnumeric():
db_manager = DBManager(privileges, choice)
reg, privileges = db_manager.get_by_id(stud_id)
if choice == 4:
card_num = input("Enter student card number:\n")
if card_num.isnumeric():
db_manager = DBManager(privileges, choice)
reg, privileges = db_manager.get_by_card(card_num)
if choice == 5:
reg = False
privileges = 0
if choice == 6:
reg = False
privileges = 0
break
except ValueError as e:
print("Try once again\n")
print(e)
