3d6c759ea3
Makes the command line tool a little nicer to use. Adds --traceback option to show them when needed.
54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
from fontTools.misc.py23 import *
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from fontTools.ttLib import TTFont
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from fontTools.feaLib.builder import addOpenTypeFeatures, Builder
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from fontTools.feaLib.error import FeatureLibError
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from fontTools import configLogger
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from fontTools.misc.cliTools import makeOutputFileName
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import sys
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import argparse
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import logging
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log = logging.getLogger("fontTools.feaLib")
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def main(args=None):
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parser = argparse.ArgumentParser(
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description="Use fontTools to compile OpenType feature files (*.fea).")
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parser.add_argument(
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"input_fea", metavar="FEATURES", help="Path to the feature file")
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parser.add_argument(
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"input_font", metavar="INPUT_FONT", help="Path to the input font")
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parser.add_argument(
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"-o", "--output", dest="output_font", metavar="OUTPUT_FONT",
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help="Path to the output font.")
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parser.add_argument(
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"-t", "--tables", metavar="TABLE_TAG", choices=Builder.supportedTables,
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nargs='+', help="Specify the table(s) to be built.")
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parser.add_argument(
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"-v", "--verbose", help="increase the logger verbosity. Multiple -v "
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"options are allowed.", action="count", default=0)
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parser.add_argument(
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"--traceback", help="show traceback for exceptions.",
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action="store_true")
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options = parser.parse_args(args)
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levels = ["WARNING", "INFO", "DEBUG"]
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configLogger(level=levels[min(len(levels) - 1, options.verbose)])
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output_font = options.output_font or makeOutputFileName(options.input_font)
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log.info("Compiling features to '%s'" % (output_font))
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font = TTFont(options.input_font)
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try:
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addOpenTypeFeatures(font, options.input_fea, tables=options.tables)
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except FeatureLibError as e:
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if options.traceback:
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raise
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log.error(e)
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font.save(output_font)
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if __name__ == '__main__':
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sys.exit(main())
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