class_docstr: Convenience wrapper for getting application dirs.
code: def user_data_dir(self):
      return user_data_dir(
          self.appname,
          self.appauthor,
          version=self.version,
          roaming=self.roaming,
      )
  
imports: import sys
  import os
label_desc: Use image node_id 2 for calling the AppDirs obj's underlying member method code with example usage: obj.user_data_dir() and returns: user_data_dir