class AlphabeticIndex(icuAlphabeticIndex):
"""
Call the ICU AlphabeticIndex, passing the ICU Locale
"""
def __init__(self, rlocale):
self.iculocale = Locale(rlocale.collation)
super().__init__(self.iculocale)
# set the maximum number of buckets, the undocumented default is 99
# Latin + Greek + Cyrillic + Hebrew + Arabic + Tamil + Hiragana +
# CJK Unified is about 206 different buckets
self.maxLabelCount = 500 # pylint: disable=invalid-name
# Add bucket labels for scripts other than the one for the output
# which is being generated
self.iculocale.addLikelySubtags()
default_script = self.iculocale.getDisplayScript()
used_scripts = [default_script]
for lang_code in glocale.get_language_dict().values():
loc = Locale(lang_code)
loc.addLikelySubtags()
script = loc.getDisplayScript()
if script not in used_scripts:
used_scripts.append(script)
super().addLabels(loc)
def coverage(font, threshold=10):
cmap = set(chr(c) for c in font.getBestCmap())
languages = set()
scripts = set()
partial = {}
for locale in Locale.getAvailableLocales():
data = LocaleData(locale)
examplar = set("".join(data.getExemplarSet()))
if not cmap.isdisjoint(examplar):
locale = Locale(locale)
locale.addLikelySubtags()
diff = examplar - cmap
if not diff:
scripts.add(locale.getDisplayScript())
languages.add(locale.getDisplayLanguage())
elif len(diff) <= threshold:
partial[locale.getDisplayLanguage()] = diff
return scripts, languages, partial
