code: def main(args=None):
      """Add features from a feature file (.fea) into an OTF font"""
      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(
          "-d",
          "--debug",
          action="store_true",
          help="Add source-level debugging information to font.",
      )
      parser.add_argument(
          "-v",
          "--verbose",
          help="Increase the logger verbosity. Multiple -v "
          "options are allowed.",
          action="count",
          default=0,
      )
      parser.add_argument(
          "--traceback",
          help="show traceback for exceptions.",
          action="store_true",
      )
      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)
      try:
          addOpenTypeFeatures(
              font,
              options.input_fea,
              tables=options.tables,
              debug=options.debug,
          )
      except FeatureLibError as e:
          if options.traceback:
              raise
          log.error(e)
          sys.exit(1)
      font.save(output_font)
  
file_path: catboost/contrib/python/fonttools/fontTools/feaLib/__main__.py
imports: from fontTools.ttLib import TTFont
  from fontTools.feaLib.builder import addOpenTypeFeatures, Builder
  from fontTools.feaLib.error import FeatureLibError
  from fontTools import configLogger
  from fontTools.misc.cliTools import makeOutputFileName
  import sys
  import argparse
  import logging
label_desc: Use image node_id 1 for calling a global function with example usage: main(args) without return types