old_contents: import json
  from confmodel import fields, Config as ConfmodelConfig
  from django.apps import AppConfig
  
  
  class PodConfig(ConfmodelConfig):
      '''
      This is the config that all pods should use as the base for their own
      config.
      '''
      index = fields.ConfigInt(
          "A unique identifier for the specific instance of this pod."
          "Automatically determined and set in the pod registry.",
          required=True)
  
      title = fields.ConfigText(
          "The title to show in the UI for this pod",
          default=None)
  
  
  class Pod(object):
      '''
      The base class for all pod plugins.
      '''
      def __init__(self, pod_type, config):
          self.pod_type = pod_type
          self.config = config
  
      @property
      def config_json(self):
          return json.dumps(self.config._config_data)
  
      def read_data(self, params):
          '''Should return the data that should be used to create the display
          for the pod.'''
          return {}
  
      def perform_action(self, params):
          '''Should perform the action specified by params.'''
          return {}
  
  
  class PodPlugin(AppConfig):
      name = 'casepro.pods'
      label = 'base_pod'
      pod_class = Pod
      config_class = PodConfig
  
      title = 'Pod'
  
      controller = None
  
      directive = None
  
new_contents: import json
  from confmodel import fields, Config as ConfmodelConfig
  from django.apps import AppConfig
  
  
  class PodConfig(ConfmodelConfig):
      '''
      This is the config that all pods should use as the base for their own
      config.
      '''
      index = fields.ConfigInt(
          "A unique identifier for the specific instance of this pod."
          "Automatically determined and set in the pod registry.",
          required=True)
  
      title = fields.ConfigText(
          "The title to show in the UI for this pod",
          default=None)
  
  
  class Pod(object):
      '''
      The base class for all pod plugins.
      '''
      def __init__(self, pod_type, config):
          self.pod_type = pod_type
          self.config = config
  
      @property
      def config_json(self):
          return json.dumps(self.config._config_data)
  
      def read_data(self, params):
          '''Should return the data that should be used to create the display
          for the pod.'''
          return {}
  
      def perform_action(self, params):
          '''Should perform the action specified by params.'''
          return {}
  
  
  class PodPlugin(AppConfig):
      name = 'casepro.pods'
      pod_class = Pod
      config_class = PodConfig
  
      # django application label, used to determine which pod type to use when
      # loading pods configured in `settings.PODS`
      label = 'base_pod'
  
      # default title to use when configuring each pod
      title = 'Pod'
  
      # override to use a different angular controller
      controller = 'PodController'
  
      # override to use a different angular directive
      directive = 'pod'
  
      # override with paths to custom scripts that the pod needs
      scripts = ()
  
      # override with paths to custom styles that the pod needs
      styles = ()
  
subject: Add the class-level vars we need for pod angular components to PodPlugin