Current File : //lib/calibre/calibre/utils/unicode_names.py
#!/usr/bin/env python3
# License: GPLv3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
from collections import defaultdict
from calibre.utils.icu import ord_string
from polyglot.builtins import iteritems
def character_name_from_code(code):
from calibre_extensions.unicode_names import name_for_codepoint
return name_for_codepoint(code) or f'U+{code:X}'
def html_entities():
ans = getattr(html_entities, 'ans', None)
if ans is None:
from calibre.ebooks.html_entities import html5_entities
ans = defaultdict(set)
for name, char in iteritems(html5_entities):
try:
ans[name.lower()].add(ord_string(char)[0])
except TypeError:
continue
ans['nnbsp'].add(0x202F)
ans = dict(ans)
html_entities.ans = ans
return ans
def points_for_word(w):
"""Returns the set of all codepoints that contain ``word`` in their names"""
w = w.lower()
ans = points_for_word.cache.get(w)
if ans is None:
from calibre_extensions.unicode_names import codepoints_for_word
ans = codepoints_for_word(w) | html_entities().get(w, set())
points_for_word.cache[w] = ans
return ans
points_for_word.cache = {} # noqa
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