text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """
  Custom administration panels for tracking models.
  """
  from __future__ import unicode_literals
  from django.contrib import admin
  from calaccess_processed import models
  from calaccess_raw.admin.base import BaseAdmin
  
  
  class ProcessedDataZipInline(admin.TabularInline):
      """
      Custom inline admin for the ProcessedDataZip model.
      """
      model = models.ProcessedDataZip
      readonly_fields = ('zip_archive', 'created_datetime', 'pretty_zip_size')
      fields = readonly_fields
  
      def has_add_permission(self, request, obj=None):
          """
          Disable adding of zips.
          """
          return False
  
  
  @admin.register(models.ProcessedDataVersion)
  class ProcessedDataVersionAdmin(BaseAdmin):
      """
      Custom admin for the ProcessedDataVersion model.
      """
      list_display = (
          "id",
          "raw_version",
          "process_start_datetime",
          "process_finish_datetime",
      )
      list_display_links = ('process_start_datetime',)
      list_filter = ("process_finish_datetime",)
  
      inlines = [
          ProcessedDataZipInline,
      ]
  
  
  @admin.register(models.ProcessedDataFile)
  class ProcessedDataFileAdmin(BaseAdmin):
      """
      Custom admin for the ProcessedDataFile model.
      """
      list_display = (
          "id",
          "version",
          "file_name",
          "records_count",
      )
      list_display_links = ('id', 'file_name',)
      list_filter = ("version__process_start_datetime",)
  