def processors(self, processor_name=None):
if processor_name:<EOL><INDENT>return self.api.processor.get(name=processor_name)['<STR_LIT>']<EOL><DEDENT>else:<EOL><INDENT>return self.api.processor.get()['<STR_LIT>']<EOL><DEDENT>
Return a list of Processor objects.

        :param project_id: ObjectId of Genesis project
        :type project_id: string
        :rtype: list of Processor objects