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varLib: add --master-finder option

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Takes a template containing predefined strings {dirname}, {basename},
{stem}, {ext} and {fullname}, to customize the location of the binary
master TTFs in relation to the designspace source filenames.
This commit is contained in:
Cosimo Lupo 2018-04-25 11:16:54 +01:00
parent 6a89d9c41a
commit c616e10e45
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GPG Key ID: 59D54DB0C9976482
1 changed files with 62 additions and 5 deletions
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67
Lib/fontTools/varLib/__init__.py
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@ -777,27 +777,84 @@ def build(designspace_filename, master_finder=lambda s:s, exclude=[], optimize=T
return vf, model, master_ttfs
class MasterFinder(object):
def __init__(self, template):
self.template = template
def __call__(self, src_path):
fullname = os.path.abspath(src_path)
dirname, basename = os.path.split(fullname)
stem, ext = os.path.splitext(basename)
path = self.template.format(
fullname=fullname,
dirname=dirname,
basename=basename,
stem=stem,
ext=ext,
)
return os.path.normpath(path)
def main(args=None):
from argparse import ArgumentParser
from fontTools import configLogger
parser = ArgumentParser(prog='varLib')
parser.add_argument('designspace')
parser.add_argument('-o', metavar='OUTPUTFILE', dest='outfile', default=None, help='output file')
parser.add_argument('-x', metavar='TAG', dest='exclude', action='append', default=[], help='exclude table')
parser.add_argument('--disable-iup', dest='optimize', action='store_false', help='do not perform IUP optimization')
parser.add_argument(
'-o',
metavar='OUTPUTFILE',
dest='outfile',
default=None,
help='output file'
)
parser.add_argument(
'-x',
metavar='TAG',
dest='exclude',
action='append',
default=[],
help='exclude table'
)
parser.add_argument(
'--disable-iup',
dest='optimize',
action='store_false',
help='do not perform IUP optimization'
)
parser.add_argument(
'--master-finder',
default='master_ttf_interpolatable/{stem}.ttf',
help=(
'templated string used for finding binary font '
'files given the source file names defined in the '
'designspace document. The following special strings '
'are defined: {fullname} is the absolute source file '
'name; {basename} is the file name without its '
'directory; {stem} is the basename without the file '
'extension; {ext} is the source file extension; '
'{dirname} is the directory of the absolute file '
'name. The default value is "%(default)s".'
)
)
options = parser.parse_args(args)
# TODO: allow user to configure logging via command-line options
configLogger(level="INFO")
designspace_filename = options.designspace
finder = lambda s: s.replace('master_ufo', 'master_ttf_interpolatable').replace('.ufo', '.ttf')
finder = MasterFinder(options.master_finder)
outfile = options.outfile
if outfile is None:
outfile = os.path.splitext(designspace_filename)[0] + '-VF.ttf'
vf, model, master_ttfs = build(designspace_filename, finder, exclude=options.exclude, optimize=options.optimize)
vf, model, master_ttfs = build(
designspace_filename,
finder,
exclude=options.exclude,
optimize=options.optimize
)
log.info("Saving variation font %s", outfile)
vf.save(outfile)