The `InputRequired` validator in Python WTForms is used to ensure that a field in a form is not left blank. It checks if the field has any input value and returns an error message if it is empty. This validator helps in validating and maintaining the required field constraints, ensuring that the user provides the necessary input for a specific field in a form.
Python InputRequired - 30 examples found. These are the top rated real world Python examples of wtforms.validators.InputRequired extracted from open source projects. You can rate examples to help us improve the quality of examples.