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from fontTools.varLib import _add_avar, load_designspace
from fontTools.misc.cliTools import makeOutputFileName
import logging
log = logging.getLogger("fontTools.varLib.avar")
def main(args=None):
"""Add `avar` table from designspace file to variable font."""
if args is None:
import sys
args = sys.argv[1:]
from fontTools import configLogger
from fontTools.ttLib import TTFont
from fontTools.designspaceLib import DesignSpaceDocument
import argparse
parser = argparse.ArgumentParser(
"fonttools varLib.avar",
description="Add `avar` table from designspace file to variable font.",
)
parser.add_argument("font", metavar="varfont.ttf", help="Variable-font file.")
parser.add_argument(
"designspace", metavar="family.designspace", help="Designspace file."
)
parser.add_argument(
"-o",
"--output-file",
type=str,
help="Output font file name.",
)
parser.add_argument(
"-v", "--verbose", action="store_true", help="Run more verbosely."
)
options = parser.parse_args(args)
configLogger(level=("INFO" if options.verbose else "WARNING"))
font = TTFont(options.font)
if not "fvar" in font:
log.error("Not a variable font.")
return 1
axisTags = [a.axisTag for a in font["fvar"].axes]
ds = load_designspace(options.designspace)
if "avar" in font:
log.warning("avar table already present, overwriting.")
del font["avar"]
_add_avar(font, ds.axes, ds.axisMappings, axisTags)
if options.output_file is None:
outfile = makeOutputFileName(options.font, overWrite=True, suffix=".avar")
else:
outfile = options.output_file
if outfile:
log.info("Saving %s", outfile)
font.save(outfile)
if __name__ == "__main__":
import sys
sys.exit(main())
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