              source_dir = arguments.frames_dir
          else:
              logger.error("No source folder (-fr or -fc) was provided")
              sys.exit(1)
          logger.debug("type: '%s', source_dir: '%s'", self.type, source_dir)
          return source_dir
  
      def get_items(self):
          """ Set the correct items to process """
          items = globals()[self.type.title()](self.source_dir)
 
</s> remove     def get_items(self):
 </s> add     def _get_items(self): </s> remove             self.type = "frames"
 </s> add             self._type = "frames" </s> remove         items = globals()[self.type.title()](self.source_dir)
        self.is_video = items.is_video
 </s> add         items = globals()[self._type.title()](self._source_dir)
        self._is_video = items.is_video </s> remove             self.type = "faces"
 </s> add             self._type = "faces" </s> remove     def get_source_dir(self, arguments):
 </s> add     def _get_source_dir(self, arguments):
        logger.debug("type: '%s', source_dir: '%s'", self._type, source_dir)
              source_dir = arguments.frames_dir
          else:
              logger.error("No source folder (-fr or -fc) was provided")
              sys.exit(1)
        logger.debug("type: '%s', source_dir: '%s'", self._type, source_dir)
          return source_dir
  
      def get_items(self):
          """ Set the correct items to process """
          items = globals()[self.type.title()](self.source_dir)
keep keep keep keep replace keep keep keep keep keep
 Update extracted faces to use PNG EXIF data (#1123)

Documentation
  - Update Usage.md, align.rst and image.rst
lib.image.py
  - read_image - Remove hash return, add metadata return
  - Remove read_image_hash functions
  - Add read_image_meta functios
  - Replace encode_image_with_hash with encode_image (to store metadata)
  - Add png meta reading and writing functions
  - Update Image Loaders/Savers to handle metadata rather than hashes
lib.training_data
  - Naming updates to remove references to hashes
lib.align.Alignments
  - Add versioning notes
  - Increment alignments version to 2.1
  - Deprecate hashing lookup functions
  - Replace filter_hashes with filter_faces
lib.align.detected_face
  - DetectedFace
    - Remove hash property
    - Add png header data serializing/deserializing functions
  - Mask
    - Add png header data serializing/deserializing functions
  - add update_legacy_png_header function to update png meta data
lib.cli.args - Deprecate alignments files for training
- plugins.train.trainer
  - Update alignments/mask code to read png header data
- scripts.convert
  - Aligned images folder - read data from png headers
- scripts.extract
  - Write png header information and no longer store hash of face
- tools.alignments
  - remove leftover-faces, merge and update-hashes jobs
  - Update jobs to use png meta data rather than hashes
- tools.manual
  - Update extract code to output png meta data and don't store hashes
  - Perform check on launch that tool is not pointing at a faces folder
tools.mask
  - Update to use png meta data
tools.sort
  - Update to use png meta data 
tools/alignments/jobs.py