class_docstr: The dummy format is an example format that does nothing.
  It will never indicate that it can read or write a file. When
  explicitly asked to read, it will simply read the bytes. When
  explicitly asked to write, it will raise an error.
  
  This documentation is shown when the user does ``help('thisformat')``.
  
  Parameters for reading
  ----------------------
  Specify arguments in numpy doc style here.
  
  Parameters for saving
  ---------------------
  Specify arguments in numpy doc style here.
code: def _can_write(self, request):
      # This method is called when the format manager is searching
      # for a format to write a certain image. It will first ask all
      # formats that *seem* to be able to write it whether they can.
      # If none can, it will ask the remaining formats if they can.
      #
      # Return True if the format can do it.
  
      # In most cases, this code does suffice:
      if request.extension in self.extensions:
          return True
  
imports: import numpy
  from ..None import formats
  from ..core import Format
label_desc: Use image node_id 2 for calling the DummyFormat obj's underlying member method code with example usage: obj._can_write(request) and returns: True