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from typing import Generator, Dict, Any, Tuple, Iterable
import sys
import unicodedata
import pytest
if sys.version_info < (3, 9):
from typing_extensions import Literal # type: ignore
else:
from typing import Literal
import emoji.unicode_codes
_NormalizationForm = Literal['NFC', 'NFD', 'NFKC', 'NFKD']
@pytest.fixture
def load_all_languages():
"""Load all keys from JSON files into EMOJI_DATA and
build all language packs (i.e. fill the cache)"""
emoji.emojize('', language='alias')
for lang_code in emoji.LANGUAGES:
emoji.emojize('', language=lang_code)
yield
def ascii(s: str) -> str:
"""return escaped Code points for non-ascii chars like \U000ab123"""
return s.encode('unicode-escape').decode()
def normalize(form: _NormalizationForm, s: str) -> str:
return unicodedata.normalize(form, s)
def is_normalized(form: _NormalizationForm, s: str) -> bool:
if sys.version_info >= (3, 8):
return unicodedata.is_normalized(form, s)
else:
return normalize(form, s) == s
_EMOJI_UNICODE: Dict[str, Any] = {
lang: None for lang in emoji.LANGUAGES
} # Cache for the language dicts
_ALIASES_UNICODE: Dict[str, str] = {} # Cache for the aliases dict
def get_emoji_unicode_dict(lang: str) -> Dict[str, Any]:
"""Generate dict containing all fully-qualified and component emoji name for a language
The dict is only generated once per language and then cached in _EMOJI_UNICODE[lang]"""
emoji.config.load_language(lang)
if not _EMOJI_UNICODE[lang]:
_EMOJI_UNICODE[lang] = {
data[lang]: emj
for emj, data in emoji.EMOJI_DATA.items()
if lang in data and data['status'] <= emoji.STATUS['fully_qualified']
}
return _EMOJI_UNICODE[lang]
def get_aliases_unicode_dict() -> Dict[str, str]:
"""Generate dict containing all fully-qualified and component aliases
The dict is only generated once and then cached in _ALIASES_UNICODE"""
if not _ALIASES_UNICODE:
_ALIASES_UNICODE.update(get_emoji_unicode_dict('en'))
for emj, data in emoji.EMOJI_DATA.items():
if 'alias' in data and data['status'] <= emoji.STATUS['fully_qualified']:
for alias in data['alias']:
_ALIASES_UNICODE[alias] = emj
return _ALIASES_UNICODE
def all_language_packs() -> Generator[Tuple[str, Dict[str, Any]], None, None]:
for lang_code in emoji.LANGUAGES:
yield (lang_code, get_emoji_unicode_dict(lang_code))
def all_language_and_alias_packs() -> Generator[Tuple[str, Dict[str, Any]], None, None]:
yield ('alias', get_aliases_unicode_dict())
yield from all_language_packs()
def get_language_packs(
*langs: Iterable[str],
) -> Generator[Tuple[str, Dict[str, Any]], None, None]:
for lang_code, lang_pack in all_language_and_alias_packs():
if lang_code in langs:
yield (lang_code, lang_pack)
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