old_contents: from __future__ import print_function, division, absolute_import
  from fontTools.misc.py23 import *
  from fontTools.ttLib import TTFont
  from fontTools.feaLib.builder import addOpenTypeFeatures
  from fontTools import configLogger
  from fontTools.misc.cliTools import makeOutputFileName
  import sys
  import argparse
  import logging
  
  
  log = logging.getLogger("fontTools.feaLib")
  
  
  def main(args=None):
      parser = argparse.ArgumentParser(
          description="Use fontTools to compile OpenType feature files (*.fea).")
      parser.add_argument(
          "input_fea", metavar="FEATURES", help="Path to the feature file")
      parser.add_argument(
          "input_font", metavar="INPUT_FONT", help="Path to the input font")
      parser.add_argument(
          "-o", "--output", dest="output_font", metavar="OUTPUT_FONT",
          help="Path to the output font.")
      parser.add_argument(
          "-v", "--verbose", help="increase the logger verbosity. Multiple -v "
          "options are allowed.", action="count", default=0)
      options = parser.parse_args(args)
  
      levels = ["WARNING", "INFO", "DEBUG"]
      configLogger(level=levels[min(len(levels) - 1, options.verbose)])
  
      output_font = options.output_font or makeOutputFileName(options.input_font)
      log.info("Compiling features to '%s'" % (output_font))
  
      font = TTFont(options.input_font)
      addOpenTypeFeatures(font, options.input_fea)
      font.save(output_font)
  
  
  if __name__ == '__main__':
      sys.exit(main())
  
new_contents: from __future__ import print_function, division, absolute_import
  from fontTools.misc.py23 import *
  from fontTools.ttLib import TTFont
  from fontTools.feaLib.builder import addOpenTypeFeatures, Builder
  from fontTools import configLogger
  from fontTools.misc.cliTools import makeOutputFileName
  import sys
  import argparse
  import logging
  
  
  log = logging.getLogger("fontTools.feaLib")
  
  
  def main(args=None):
      parser = argparse.ArgumentParser(
          description="Use fontTools to compile OpenType feature files (*.fea).")
      parser.add_argument(
          "input_fea", metavar="FEATURES", help="Path to the feature file")
      parser.add_argument(
          "input_font", metavar="INPUT_FONT", help="Path to the input font")
      parser.add_argument(
          "-o", "--output", dest="output_font", metavar="OUTPUT_FONT",
          help="Path to the output font.")
      parser.add_argument(
          "-t", "--tables", metavar="TABLE_TAG", choices=Builder.supportedTables,
          nargs='+', help="Specify the table(s) to be built.")
      parser.add_argument(
          "-v", "--verbose", help="increase the logger verbosity. Multiple -v "
          "options are allowed.", action="count", default=0)
      options = parser.parse_args(args)
  
      levels = ["WARNING", "INFO", "DEBUG"]
      configLogger(level=levels[min(len(levels) - 1, options.verbose)])
  
      output_font = options.output_font or makeOutputFileName(options.input_font)
      log.info("Compiling features to '%s'" % (output_font))
  
      font = TTFont(options.input_font)
      addOpenTypeFeatures(font, options.input_fea, tables=options.tables)
      font.save(output_font)
  
  
  if __name__ == '__main__':
      sys.exit(main())
  
subject: Add 'tables' option to __main__.py