How to use gftools - 10 common examples

def main():
  if len(sys.argv) != 2 or sys.argv[1][-4:] != ".ttf":
    sys.exit('Usage: {} fontfile.ttf'.format(sys.argv[0]))

  expected = set()
  for nam_file in NAM_FILES:
    nam_filepath = os.path.join(NAM_DIR, nam_file)
    expected.update(CodepointsInNamelist(nam_filepath))

  filename = sys.argv[1]
  diff = expected - CodepointsInFont(filename)

  print(filename),
  if bool(diff):
    print('missing'),
    for c in sorted(diff):
      print('0x%04X' % (c)),
  else:
    print('OK')

def _names_generator(filename):
    with codecs.open(filename, 'r', encoding='utf-8') as f:
        for line in f:
            line = line.rstrip()
            if line.startswith('0x'):
                # uni chr
                codepoint = google_fonts.get_codepoint_from_line(line)
                name = filter_lists.get_name_by_unicode(codepoint)
                if name is None:
                    prefix = 'u' if codepoint > 0xFFFF else 'uni'
                    name = '{0}{1:04X}'.format(prefix, codepoint)
                yield name
            elif line.startswith(' ' * 6):
                # unencoded name
                yield line.rsplit(' ', 1)[1]

def main(argv):
  if len(argv) != 2 or not os.path.isdir(argv[1]):
    sys.exit('Must have one argument, a directory containing font files.')

  sys.stderr = open(os.devnull, 'w')
  dirpath = argv[1]
  result = True
  files = []
  for font in fonts.Metadata(dirpath).fonts:
    files.append(os.path.join(dirpath, font.filename))
  for subset in fonts.Metadata(dirpath).subsets:
    if subset == 'menu':
      continue
    (file1, file2, diff_size)  = _LeastSimilarCoverage(files, subset)
    if diff_size > FLAGS.max_diff_cps:
      print('%s coverage for %s failed' % (dirpath, subset))
      print('Difference of codepoints between %s & %s is %d' % (
          file1, file2, diff_size))
      result = False

  if result:
    print('%s passed subset coverage' % (dirpath))

def main(argv):
  if len(argv) != 2 or not os.path.isdir(argv[1]):
    sys.exit('Must have one argument, a directory containing font files.')

  dirpath = argv[1]
  cps = set()
  for f in _GetFontFiles(dirpath):
    cps.update(fonts.CodepointsInFont(os.path.join(dirpath, f)))

  for f in _GetFontFiles(dirpath):
    diff = cps - fonts.CodepointsInFont(os.path.join(dirpath, f))
    if bool(diff):
      print('%s failed' % (f))
      for c in diff:
        print('0x%04X' % (c))
    else:
      print('%s passed' % (f))

def main(argv):
  if len(argv) != 2 or not os.path.isdir(argv[1]):
    sys.exit('Must have one argument, a directory containing font files.')

  dirpath = argv[1]
  cps = set()
  for f in _GetFontFiles(dirpath):
    cps.update(fonts.CodepointsInFont(os.path.join(dirpath, f)))

  for f in _GetFontFiles(dirpath):
    diff = cps - fonts.CodepointsInFont(os.path.join(dirpath, f))
    if bool(diff):
      print('%s failed' % (f))
      for c in diff:
        print('0x%04X' % (c))
    else:
      print('%s passed' % (f))

def main():
    args = parser.parse_args()
    response = requests.get(API_URL.format(args.key))
    try:
        webfontList = response.json()['items']
        webfontListFamilyNames = [item['family'] for item in webfontList]
    except (ValueError, KeyError):
        sys.exit("Unable to load and parse"
                 " list of families from Google Web Fonts API.")

    for dirpath, dirnames, filenames in os.walk(args.repo):
        metadata_path = os.path.join(dirpath, 'METADATA.pb')
        if not os.path.exists(metadata_path):
            continue

        metadata = FamilyProto()
        text_data = open(metadata_path, "rb").read()
        text_format.Merge(text_data, metadata)
        try:
            family = metadata.name
        except KeyError:
            print(('ERROR: "{}" does not contain'
                   ' familyname info.').format(metadata_path),
                  file=sys.stderr)
            continue

        try:
            index = webfontListFamilyNames.index(family)
            webfontsItem = webfontList[index]
        except ValueError:
            print(('ERROR: Family "{}" could not be found'
                   ' in Google Web Fonts API.').format(family))

def generate_filter_lists(filename):
    # 'GF-{script}-rest.nam' => {script}-rest
    basename = os.path.basename(filename).split('.', 1)[0].split('-', 2)[-1]
    filerListFileName = '{0}.txt'.format(basename)
    dirname =  os.path.dirname(filename)
    nice_names_filename = os.path.join(dirname, 'filter lists', 'nice names', filerListFileName)
    prod_names_filename = os.path.join(dirname, 'filter lists', 'uni names', filerListFileName)

    _mkdir(os.path.dirname(nice_names_filename))
    _mkdir(os.path.dirname(prod_names_filename))

    with codecs.open(nice_names_filename, 'w', encoding='utf-8') as niceNamesFile, \
            codecs.open(prod_names_filename, 'w', encoding='utf-8') as prodNamesFile:
        for name in _names_generator(filename):
            print(filter_lists.translate_name(name, production_name=False), file=niceNamesFile)
            print(filter_lists.translate_name(name, production_name=True), file=prodNamesFile)

def generate_filter_lists(filename):
    # 'GF-{script}-rest.nam' => {script}-rest
    basename = os.path.basename(filename).split('.', 1)[0].split('-', 2)[-1]
    filerListFileName = '{0}.txt'.format(basename)
    dirname =  os.path.dirname(filename)
    nice_names_filename = os.path.join(dirname, 'filter lists', 'nice names', filerListFileName)
    prod_names_filename = os.path.join(dirname, 'filter lists', 'uni names', filerListFileName)

    _mkdir(os.path.dirname(nice_names_filename))
    _mkdir(os.path.dirname(prod_names_filename))

    with codecs.open(nice_names_filename, 'w', encoding='utf-8') as niceNamesFile, \
            codecs.open(prod_names_filename, 'w', encoding='utf-8') as prodNamesFile:
        for name in _names_generator(filename):
            print(filter_lists.translate_name(name, production_name=False), file=niceNamesFile)
            print(filter_lists.translate_name(name, production_name=True), file=prodNamesFile)

entries = []
    before = []
    header = []
    for line in f:
        line = line.rstrip()
        if (not entries and not before) and line.startswith('#'):
            header.append(line)
            continue
        entry = None
        if line.startswith('0x'):
            # uni chr
            codepoint = google_fonts.get_codepoint_from_line(line)
            entry = (codepoint, None, line)
        elif line.startswith('      '):
            # unencoded name
            name = filter_lists.translate_name(line.rsplit(' ', 1)[1])
            entry = (None, name, line)

        if entry is not None:
            entry += (before, )
            before = []
            entries.append(entry)
        else:
            # these lines will stick before the next entry
            before.append(line)

    entries.sort(key=_sortkey_namelist_entries)
    _print = lambda *args: print(*args,file=out)
    map(_print, header)
    for codepoint, name, original, item_before in entries:
        map(_print, item_before)
        if codepoint is not None:

def _reformat_namelist(f, out=None):
    entries = []
    before = []
    header = []
    for line in f:
        line = line.rstrip()
        if (not entries and not before) and line.startswith('#'):
            header.append(line)
            continue
        entry = None
        if line.startswith('0x'):
            # uni chr
            codepoint = google_fonts.get_codepoint_from_line(line)
            entry = (codepoint, None, line)
        elif line.startswith('      '):
            # unencoded name
            name = filter_lists.translate_name(line.rsplit(' ', 1)[1])
            entry = (None, name, line)

        if entry is not None:
            entry += (before, )
            before = []
            entries.append(entry)
        else:
            # these lines will stick before the next entry
            before.append(line)

    entries.sort(key=_sortkey_namelist_entries)
    _print = lambda *args: print(*args,file=out)