code: def convert_to_namespace(file, output, keyword):
      
      resource = parse_bel_resource(file)
      write_namespace(
          namespace_keyword=(keyword or resource['AnnotationDefinition']['Keyword']),
          namespace_name=resource['AnnotationDefinition']['Keyword'],
          namespace_description=resource['AnnotationDefinition']['DescriptionString'],
          author_name='Charles Tapley Hoyt',
          namespace_domain=NAMESPACE_DOMAIN_OTHER,
          values=resource['Values'],
          citation_name=resource['Citation']['NameString'],
          file=output
      )
docs: Convert an annotation file to a namespace file.