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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def deserialize_upload(value, url):
 """ Restore file and name and storage from serialized value and the upload url. """

    result = {'name': None, 'storage': None}
    try:
        result = signing.loads(value, salt=url)
    except signing.BadSignature:
        # TODO: Log invalid signature
        pass
    else:
        try:
            result['storage'] = get_storage_class(result['storage'])
        except (ImproperlyConfigured, ImportError):
            # TODO: Log invalid class
            result = {'name': None, 'storage': None}
    return result