def get_instance_by_frame()

in ez_wsi_dicomweb/slide_level_map.py [0:0]

• 7 lines of code
• 4 McCabe index (conditional complexity)

  def get_instance_by_frame(self, frame_number: int) -> Optional[Instance]:
    """Gets the instance that contains the requested frame.

    Args:
      frame_number: The frame number of the frame to request. The frame number
        of a frame is stored in the DICOM tag
        CONCATENATION_FRAME_OFFSET_NUMBER('00209228').

    Returns:
      The instance that contains the requested frame, or None if the input frame
      is out of range of any instance.
    """
    for frame_offset, instance in self.instances.items():
      if frame_number <= frame_offset:
        break
      if frame_number <= frame_offset + instance.frame_count:
        return instance
    return None