input variable not defined error

password_manager.py

@@ -1,50 +1,128 @@
 from cryptography.fernet import Fernet
-
-'''
-def write_key():
-    key = Fernet.generate_key()
-    with open("key.key", "wb") as key_file:
-        key_file.write(key)'''
-
-
-def load_key():
-    file = open("key.key", "rb")
-    key = file.read()
+import os
+import time
+global pwdinquiry
+def accintro():
+    global master_pwd
+    print("NOTICE: This program only works on a Windows Operating System.")
+    time.sleep(1)
+    print("The account manager folder will be stored in the C:/ drive. The account manager folder is named 'accmgr_directory'.\nPlease DO NOT move this folder from the C:/ drive as it will result in your accounts being deleted.")
+    print("The account manager folder just stores necessary files that the program needs and uses, so please do not mess with it!")
+    time.sleep(1)
+    master_pwd = "defaultpass0"
+    print("The master password has been set to 'defaultpass0'. Please change your master password as soon as possible.")
+parent_dir = "C:/"
+directory = "accmgr_directory"
+path = os.path.join(parent_dir, directory)
+if os.path.exists(path) == False:
+    accintro()
+    os.mkdir(path)
+passkey_path = path + "/pass_key.key"
+userkey_path = path + "/user_key.key"
+passw_path = path + "/passwords.txt"
+def write_pass_key():
+    pass_key = Fernet.generate_key()
+    with open(passkey_path, 'wb') as pass_key_file:
+        pass_key_file.write(pass_key)
+def write_user_key():
+    user_key = Fernet.generate_key()
+    with open(userkey_path, 'wb') as user_key_file:
+        user_key_file.write(user_key)
+if os.path.exists(passkey_path) == False:
+    write_pass_key()
+if os.path.exists(userkey_path) == False:
+    write_user_key()
+def load_pass_key():
+    file = open(passkey_path, 'rb')
+    pass_key = file.read()
     file.close()
-    return key
-
-
-key = load_key()
-fer = Fernet(key)
-
-
+    return pass_key
+def load_user_key():
+    file = open(userkey_path, 'rb')
+    user_key = file.read()
+    file.close()
+    return user_key
+def passchange():
+    global passinput, pass_ques
+    print("Please change your password as the password in use is the default password and it is not a secure password.")
+    time.sleep(2)
+    print("If you would like to change your password, please type 'Yes', otherwise, please type 'No'.")
+    time.sleep(2)
+    pass_ques = input("Would you like to change your password? ")
+    print("-" * 50)
+def passinput():
+    global masterpwd_change, numcheck, pwdreplay
+    print("Conditions:\nYour password must be AT LEAST 8 characters long and must include uppercase/lowercase letters.\nYour Password must include numbers as well.\nIt is highly recommended that you include special charcters in your password.")
+    print("-" * 50)
+    masterpwd_change = input("What would you like for your new password to be? ")    
+    numcheck = any(chr.isdigit() for chr in masterpwd_change)
+    uppercheck = any(ele.isupper() for ele in masterpwd_change)
+    lowercheck = any(ele.islower() for ele in masterpwd_change)
+    def pwdreplay():
+        global pass_ques
+        print("If you would like to still change your password, please type 'Yes', otherwise, please type 'No'.")
+        repass_ques = input("Would you like to change your password? ")
+        if repass_ques == "Yes":
+            passinput()
+        if repass_ques == "No":
+            pwdinquiry()
+    if len(masterpwd_change) < 8:
+        print("Your password could not be changed because it is less than 8 characters long.")
+        pwdreplay()
+    if numcheck == False:
+        print("Your password could not be changed because you did not include numbers in your password")
+        pwdreplay()
+    if uppercheck == False:
+        print("Your password could not be changed because you did not include uppercase letters in your password.")
+        pwdreplay()
+    if lowercheck == False:
+        print("Your password could not be changed because you did not include lowercase letters in your password. ")
+        pwdreplay()
+    else:
+        print("You may now login with your new password.")
+passchange()
+if pass_ques == "Yes":
+    passinput()
+    master_pwd = masterpwd_change
+def pwdinquiry():
+    masterpwd_ques = input('What is the master password? ')
+    if masterpwd_ques != master_pwd:
+        print('Incorrect password, exiting password manager.')
+        quit()
+pwdinquiry()
+pass_key = load_pass_key()
+user_key = load_user_key()
+fer_pass = Fernet(pass_key)
+fer_user = Fernet(user_key)
 def view():
-    with open('passwords.txt', 'r') as f:
+    with open(passw_path, 'r') as f:
         for line in f.readlines():
             data = line.rstrip()
-            user, passw = data.split("|")
-            print("User:", user, "| Password:",
-                  fer.decrypt(passw.encode()).decode())
-
-
+            acc, user, passw = data.split('|')
+            print('Account:', acc,'\n' 
+            'User:', 
+            fer_user.decrypt(user.encode()).decode(),'\n' 
+            'Password:', 
+            fer_pass.decrypt(passw.encode()).decode())
+            print('-' * 15)
 def add():
-    name = input('Account Name: ')
-    pwd = input("Password: ")
-
-    with open('passwords.txt', 'a') as f:
-        f.write(name + "|" + fer.encrypt(pwd.encode()).decode() + "\n")
-
-
+    account = input('Account: ')
+    name = input('Username: ')
+    pwd = input('Password: ')
+    with open(passw_path, 'a') as f:
+        f.write(account + '|' + fer_user.encrypt(name.encode()).decode() + '|' + fer_pass.encrypt(pwd.encode()).decode() + '\n')
 while True:
-    mode = input(
-        "Would you like to add a new password or view existing ones (view, add), press q to quit? ").lower()
-    if mode == "q":
-        break
-
-    if mode == "view":
-        view()
-    elif mode == "add":
+    mode = input('Would you like to add a new password or view your passwords (view, add) press q to quit? ').lower()
+    if mode == 'q':
+        print('Goodbye')
+        exit()
+    if mode == 'view':
+        if os.path.exists(passw_path) == False:
+            print("No passwords have been saved!")
+        else:
+            view()
+    elif mode == 'add':
         add()
     else:
-        print("Invalid mode.")
-        continue
+        print('Invalid input')
+        exit()