| 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 | |
| log = logging.getLogger("fontTools.feaLib") | |
| 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) | |
| if __name__ == "__main__": | |
| sys.exit(main()) | |