How do I validate tuples in Python safely and idiomatically?

Validating tuples in Python can be achieved safely and idiomatically by using type checking and additional validation methods. The most common approach is to ensure that the elements of the tuple conform to expected types or values, leveraging built-in functions and conditions effectively.

Here’s an example of how you might validate a tuple:


            def validate_tuple(data):
                if not isinstance(data, tuple):
                    raise ValueError("Input must be a tuple.")
                
                if len(data) != 3:  # Example: expecting a tuple of 3 elements
                    raise ValueError("Tuple must contain exactly 3 elements.")
                
                if not all(isinstance(x, int) for x in data):  # Example: expecting all elements to be integers
                    raise ValueError("All elements must be integers.")
                
                # Further validations can be added here
                return True

            # Example usage
            try:
                validate_tuple((1, 2, 3))  # This should pass
                validate_tuple((1, 2))     # This should raise an error
            except ValueError as e:
                print(e)

How do I validate tuples in Python safely and idiomatically?

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How do I validate tuples in Python safely and idiomatically?

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