code: def generate_contentinfo_from_channeldir(self, args, options):
          
          LOGGER.info('Generating Content.csv rows folders and file in channeldir')
          file_path = get_metadata_file_path(self.channeldir, self.contentinfo)
          with open(file_path, 'a') as csv_file:
              csvwriter = csv.DictWriter(csv_file, CONTENT_INFO_HEADER)
  
              channeldir = args['channeldir']
              if channeldir.endswith(os.path.sep):
                  channeldir.rstrip(os.path.sep)
  
              # MAIN PROCESSING OF os.walk OUTPUT
              content_folders = sorted(os.walk(channeldir))
              _ = content_folders.pop(0)           # Skip over channel root folder
              for rel_path, _subfolders, filenames in content_folders:
                  LOGGER.info('processing folder ' + str(rel_path))
                  sorted_filenames = sorted(filenames)
                  self.generate_contentinfo_from_folder(csvwriter, rel_path, sorted_filenames)
          LOGGER.info('Generted {} row for all folders and files in {}'.format(self.contentinfo, self.channeldir))
docs: Create rows in Content.csv for each folder and file in `self.channeldir`.