docs: def get_header(vcf_file_path):
      """Parse the header and return a header object
  
          Args:
              vcf_file_path(str): Path to vcf
  
          Returns:
              head: A HeaderParser object
      """
      logger.info("Parsing header of file {0}".format(vcf_file_path))
      head = HeaderParser()
      handle = get_vcf_handle(infile=vcf_file_path)
      # Parse the header
      for line in handle:
          line = line.rstrip()
          if line.startswith('#'):
              if line.startswith('##'):
                  head.parse_meta_data(line)
              else:
                  head.parse_header_line(line)
          else:
              break
  
      handle.close()
  
      return head