code: def get_orientation(input_file, options):
      page = page_number(input_file)
  
      angle = ((page - 1) * 90) % 360
  
      return OrientationConfidence(angle=angle, confidence=99.9)
  
file_path: OCRmyPDF/tests/plugins/tesseract_debug_rotate.py
imports: from __future__ import annotations
  import pikepdf
  from PIL import Image
  from ocrmypdf import OcrEngine, OrientationConfidence, hookimpl
  from ocrmypdf.helpers import page_number
label_desc: Use image node_id 5 for calling the FixedRotateNoopOcrEngine obj's underlying member method code with example usage: obj.get_orientation(input_file, options) and returns: OrientationConfidence