                  this_frame_faces.append(face)
              self._frame_faces.append(this_frame_faces)
  
      def save(self):
          """ Convert updated :class:`~lib.faces_detect.DetectedFace` objects to alignments format
          and save the alignments file. """
          if not self._tk_unsaved.get():
              logger.debug("Alignments not updated. Returning")
              return
          frames = list(self._updated_frame_indices)
 
</s> remove         """ Load the faces as :class:`~lib.faces_detect.DetectedFace` objects from the alignments
 </s> add         """ Load the faces as :class:`~lib.align.DetectedFace` objects from the alignments </s> remove             The :class:`~lib.faces_detect.DetectedFace` objects for the requested frame
 </s> add             The :class:`~lib.align.DetectedFace` objects for the requested frame </s> remove         self.alignments.save()
 </s> add         self._alignments.save() </s> remove             if not self.alignments.frame_exists(frame):
 </s> add             if not self._alignments.frame_exists(frame): </s> remove     def remove_faces(self):
        """ Process to remove faces from an alignments file """
        face_hashes = list(self.faces.items.keys())
 </s> add     def _remove_faces(self):
        """ Removes faces from the alignments file if a faces folder has been provided and the
        faces do not exist within each alignments file. """
        face_hashes = list(self._faces.items.keys())
        """ Convert updated :class:`~lib.align.DetectedFace` objects to alignments format
                  this_frame_faces.append(face)
              self._frame_faces.append(this_frame_faces)
  
      def save(self):
        """ Convert updated :class:`~lib.align.DetectedFace` objects to alignments format
          and save the alignments file. """
          if not self._tk_unsaved.get():
              logger.debug("Alignments not updated. Returning")
              return
          frames = list(self._updated_frame_indices)
keep keep keep keep replace keep keep keep keep keep
 Extract - Increase area and move centering (#1095)

* Extract
  - Implement aligner re-feeding
  - Add extract type to pipeline.ExtractMedia
  - Add pose annotation to debug
* Convert
  - implement centering
  - remove usage of feed and reference face properties
  - Remove distributed option from convert
  - Force update of alignments file on legacy receive
* Train
  - Resize preview image to model output size
  - Force legacy centering if centering does not exist in model's state file
  - Enable training on legacy face sets

* Alignments Tool
  - Update draw to include head/pose
  - Remove DFL drop + linting
  - Remove remove-frames job
  - remove align-eyes option
  - Update legacy masks to new extract type
  - Exit if attempting to merge version 1.0 alignments files with version 2.0 alignments files
  - Re-generate thumbnails on legacy upgrade
* Mask Tool
  - Update for new extract + bugfix full frame
* Manual Tool
  - Update to new extraction method
   - Disable legacy alignments,
   - extract box bugfix
   - extract faces - size to 512 and center on head
* Preview Tool
  - Display based on model centering
* Sort Tool
  - Use alignments for sort by face

* lib.aligner
  - Add Pose Class
  - Add AlignedFace Class
  - center _MEAN_FACE on x
  - Add meta information with versioning to alignments file
  - lib.aligner.get_align_matrix to use landmarks not face
  - Refactor aligned faces in lib.faces_detect
* lib.logger
  - larger file log padding
* lib.config
  - Fix global changeable_items
* lib.face_filter
  - Use new extracted face images
* lib.image
  - bump thumbnail default size to 96px 
tools/manual/detected_faces.py