Added command line password reset tool.

ref-test/reset.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+from main import app
+from app.models import User
+
+from sqlalchemy.exc import SQLAlchemyError
+
+import sys
+from getpass import getpass
+
+with app.app_context():
+    try:
+        users = User.query.all()
+    except SQLAlchemyError as exception:
+        sys.exit('Database error:', exception)
+    print('')
+    print('This interface will allow you to override the password for an administrator account.')
+    print('To exit this interface, press Ctrl + C.')
+    print('')
+    while True:
+        username = input('Username: ')
+        user = None
+        for _user in users:
+            if _user.get_username() == username:
+                user = _user
+                break
+        if not user:
+            print(f'Error: User \'{username}\' does not exist.')
+            continue
+        else: break
+    while True:
+        email = input('Email address: ')
+        if not email == user.get_email():
+            print(f'Error: Incorrect email address for user \'{username}\'.')
+            continue
+        else: break
+    print('')
+    print('Authenticated using username and email address.')
+    print('Update the password for the account below.')
+    print('')
+    while True:
+        password = getpass('Enter password: ')
+        if len(password) < 6 or len(password) > 20:
+            print(f'Error: Password must be between 6 and 20 characters long.')
+        reenter_password = getpass('Reenter password: ')
+        if not password == reenter_password:
+            print(f'Error: Entered passwords do not match.')
+            continue
+        else: break
+    success, message = user.update(password=password)
+    if not success:
+        sys.exit(message)
+    print('')
+    print(f'Success: Password for user \'{username}\' has been updated.')