def check_bal():
db=shelve.open('database/bank.db',writeback=True)
acc=input("enter account number: ")
CB=db[acc]['bal']
update_log("INFO",f"Checking for balance")
print("\n\tYour account balance is :",CB)
db.close()
def credit():
db=shelve.open('database/bank.db',writeback=True)
acc=input("enter account number: ")
CB = db[acc]['bal']
amt=int(input("\n\tEnter amount which you want to deposit: "))
print("Your Previous Balance is",CB)
NB=CB+amt
db[acc]['bal']=NB
print("\n\tYour Updated balance is",NB)
update_log("INFO",f"Amount Deposit Successful")
db.close()
def update_pwd():
db=shelve.open('database/bank.db',writeback=True)
acc=input("enter account number: ")
p1=getpass("enter new password :"******"re-type password :"******"INFO","Password Update")
print("\n")
print(f"Password updated successfully for account number {acc}")
else:
update_log("ERROR","Invalid Input")
print("\n\tplease enter valid input")
update_pwd()
db.close()
def debit():
print("\n\t")
db=shelve.open('database/bank.db',writeback=True)
acc=input("enter account number: ")
curr_bal = db[acc]['bal']
amt=int(input("Enter amount which you want to withdrawl: "))
if amt > curr_bal:
update_log("ERROR",f"Deny for withdrwal for acc no {acc}")
print("\nInsufficient Balance")
else:
print("\n\tYour Previous Balance is",curr_bal)
new_bal=curr_bal-amt
db[acc]['bal']=new_bal
print("\n\tYour Updated balance is",new_bal)
update_log("INFO",f"Withdrawl Successful")
db.close()
def signup():
os.system("cls")
print("\n\n\t\tWelcome to Signup Service\n\n")
print(f"Time : {time.ctime()}")
name = input("\n\n\tEnter your name : ")
bal = eval(input("\n\tEnter your initial amount : "))
password = getpass.getpass("\n\tPassword :"******"SIGNUP",f"Signup sucessfull for acc no {acc_no} because of Password Verification")
print("\n\n\tAccount Create Sucessfully Write down your account number ")
print(f"\n\n\t your account num is {acc_no} and used to login \n\n")
input("\n\n...........Press any key to continue....")
def main_menu():
update_log("InFO","Application Started")
os.system("cls")
print("\n\n")
print(f"\n\t\t {time.ctime()} Welcome User ")
s = """
1. Login
2. Signup
3. Exit
"""
print(s)
while True :
try :
print('\n')
ch = int(input("Enter your choice : ".rjust(30)))
if ch < 1 or ch > 3 :
print("\n\n\t\tError!!! Invalid Choice")
continue
break
except ValueError as e :
print("\n\n\t\tError!!!Bhaai saab integer choice string mtt do")
if ch == 1 :
update_log("INFO","User Tried To Login")
login()
main_menu()
elif ch == 2 :
update_log("INFO","User Tried To Signup")
signup()
main_menu()
def login():
acc = input("\n\n\t\tEnter account number : ")
db = shelve.open("database/bank.db")
if acc in db.keys() :
password = getpass.getpass("\n\t\tPassword : "******"LOGIN",f"Login sucessfull for acc no {acc}")
sub_menu(acc)
else :
update_log("ERROR",f"Login unsucessfull for acc no {acc} because of Password Verification")
print("\n\n\t\tError!! Invalid Password....Try Agai")
else :
update_log("DENY","unauthoriged account accessed")
print("\n\n\t\tError!!! Invalid Account Number")
print("\n\n\t\tIf you are a new user please SignUp First")
print("\n\n\t\t.......redirecting to main menu........")
time.sleep(4)
ch = int(input("Enter your choice : ".rjust(30)))
if ch < 1 or ch > 3 :
print("\n\n\t\tError!!! Invalid Choice")
continue
break
except ValueError as e :
print("\n\n\t\tError!!!Bhaai saab integer choice string mtt do")
if ch == 1 :
update_log("INFO","User Tried To Login")
login()
main_menu()
elif ch == 2 :
update_log("INFO","User Tried To Signup")
signup()
main_menu()
if __name__ == "__main__" :
main_menu()
os.system('cls')
print("\n\n\n")
print("\t\t\tThanks for using Our Services")
print("\n\n\t\t..................Exiting.............")
update_log("INFO","Application Closed")
time.sleep(random.randint(2,5))
os.system('cls')