          self.faces = self.get_faces(arguments)
          self.final_alignments = alignments[0]
          self.process_alignments = alignments[1:]
  
      def process(self):
          """Process the alignments file merge """
          logger.info("[MERGE ALIGNMENTS]")  # Tidy up cli output
          if self.faces is not None:
              self.remove_faces()
          skip_count = 0
 
</s> remove                     "separated list of alignments files with the -a flag."
 </s> add                     "separated list of alignments files with the -a flag. Optionally specify a "
                    "faces (-fc) folder to filter the final alignments file to only those faces "
                    "that appear within the provided folder." </s> remove                               "action": DirFullPaths,
 </s> add                               "action": DirOrFileFullPaths,
    @staticmethod
    def get_faces(arguments):
        """ If faces argument is specified, load faces_dir
            otherwise return None """
        if not hasattr(arguments, "faces_dir") or not arguments.faces_dir:
            return None
        return Faces(arguments.faces_dir)

          self.faces = self.get_faces(arguments)
          self.final_alignments = alignments[0]
          self.process_alignments = alignments[1:]
  
    @staticmethod
    def get_faces(arguments):
        """ If faces argument is specified, load faces_dir
            otherwise return None """
        if not hasattr(arguments, "faces_dir") or not arguments.faces_dir:
            return None
        return Faces(arguments.faces_dir)

      def process(self):
          """Process the alignments file merge """
          logger.info("[MERGE ALIGNMENTS]")  # Tidy up cli output
          if self.faces is not None:
              self.remove_faces()
          skip_count = 0
keep keep keep add keep keep keep keep keep keep
 Alignments tool updates

Merge alignments: Add ability to filter out faces that do not appear in the final alignments file
GUI: Add icon to open video file for frames 
tools/lib_alignments/jobs.py