new_contents: from __future__ import print_function
  import os
  import sys
  from movie_util import filenames_to_search_strings, print_movies
  from filmtipset_util import get_grades
  
  def is_proper_movie_file(filename):
      FILE_ENDINGS = [".mkv", ".mp4", ".avi", ".iso", "mpeg", ]
      if filename[-4:] in FILE_ENDINGS:
          return True
      elif (filename.find(".") == -1 and not filename.endswith("-ignore")):
          return True
      return False
  
  def get_movies(dir):
      movies = os.listdir(dir)
      movies = [movie for movie in movies if is_proper_movie_file(movie)]
      return movies
  
  def main(directory, debug=False):
      print("Loading movies from: %s" % directory)
      movies = get_movies(directory)
      movies = filenames_to_search_strings(movies)
      graded = get_grades(movies, debug=debug)
  
      print_movies("Movies seen, by grade", sorted(filter(lambda x: x[1] == u'seen', graded), reverse=True))
      print_movies("Movies not seen, by grade", sorted(filter(lambda x: x[1] != u'seen', graded), reverse=True))
  
  # Possible calls:
  # lookup_from_filesystem.py /My-Movies/
  # lookup_from_filesystem.py /My-Movies/ --verbose
  if __name__ == "__main__":
      directory = sys.argv[1]
      debug = False
      if len(sys.argv) == 3:
          if sys.argv[2] == "--verbose":
              debug = True
      main(directory=directory, debug=debug)
  
subject: Add utility for looking up grades for files in a directory.