def to_update_kwargs()

in api/utils.py [0:0]

• 6 lines of code
• 4 McCabe index (conditional complexity)

def to_update_kwargs(attributes):
    """
    For an attribute dictionary, make a default update expression for setting the values

    Notes: Use an expression attribute name to replace that attribute's name with reserved word in the expression,
    reference can be found here:
    http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Expressions.ExpressionAttributeNames.html#ExpressionAttributeNames
    """

    return {
        'UpdateExpression': 'set {}'.format(', '.join([f"#{k} = :{k}" for k in attributes])),
        'ExpressionAttributeValues': {f":{k}": v for k, v in attributes.items()},
        'ExpressionAttributeNames': {f"#{k}": k for k in attributes}
    }