code: def download_data_dictionary(request, dataset_id):
      
      dataset = Dataset.objects.get(pk=dataset_id)
      dataDict = dataset.data_dictionary
      fields = DataDictionaryField.objects.filter(
          parent_dict=dataDict
      ).order_by('columnIndex')
  
      response = HttpResponse(content_type='text/csv')
      csvName = slugify(dataset.title + ' data dict') + '.csv'
      response['Content-Disposition'] = 'attachment; filename=%s' % (csvName)
  
      csvWriter = writer(response)
      metaHeader = [
          'Data Dictionary for {0} prepared by {1}'.format(
              dataset.title,
              dataset.uploaded_by
          )
      ]
      csvWriter.writerow(metaHeader)
      trueHeader = ['Column Index', 'Heading', 'Description', 'Data Type']
      csvWriter.writerow(trueHeader)
  
      for field in fields:
          mappedIndex = field.COLUMN_INDEX_CHOICES[field.columnIndex-1][1]
          csvWriter.writerow(
              [mappedIndex, field.heading, field.description, field.dataType]
          )
  
      return response
docs: Generates and returns compiled data dictionary from database.
  
      Returned as a CSV response.