Aluode/PerceptionLabPortable
0
1# unicode.py2 3import sys4from itertools import filterfalse5from typing import Union6 7 8class _lazyclassproperty:9 def __init__(self, fn):10 self.fn = fn11 self.__doc__ = fn.__doc__12 self.__name__ = fn.__name__13 14 def __get__(self, obj, cls):15 if cls is None:16 cls = type(obj)17 if not hasattr(cls, "_intern") or any(18 cls._intern is getattr(superclass, "_intern", [])19 for superclass in cls.__mro__[1:]20 ):21 cls._intern = {}22 attrname = self.fn.__name__23 if attrname not in cls._intern:24 cls._intern[attrname] = self.fn(cls)25 return cls._intern[attrname]26 27 28UnicodeRangeList = list[Union[tuple[int, int], tuple[int]]]29 30 31class unicode_set:32 """33 A set of Unicode characters, for language-specific strings for34 ``alphas``, ``nums``, ``alphanums``, and ``printables``.35 A unicode_set is defined by a list of ranges in the Unicode character36 set, in a class attribute ``_ranges``. Ranges can be specified using37 2-tuples or a 1-tuple, such as::38 39 _ranges = [40 (0x0020, 0x007e),41 (0x00a0, 0x00ff),42 (0x0100,),43 ]44 45 Ranges are left- and right-inclusive. A 1-tuple of (x,) is treated as (x, x).46 47 A unicode set can also be defined using multiple inheritance of other unicode sets::48 49 class CJK(Chinese, Japanese, Korean):50 pass51 """52 53 _ranges: UnicodeRangeList = []54 55 @_lazyclassproperty56 def _chars_for_ranges(cls) -> list[str]:57 ret: list[int] = []58 for cc in cls.__mro__: # type: ignore[attr-defined]59 if cc is unicode_set:60 break61 for rr in getattr(cc, "_ranges", ()):62 ret.extend(range(rr[0], rr[-1] + 1))63 return sorted(chr(c) for c in set(ret))64 65 @_lazyclassproperty66 def printables(cls) -> str:67 """all non-whitespace characters in this range"""68 return "".join(filterfalse(str.isspace, cls._chars_for_ranges))69 70 @_lazyclassproperty71 def alphas(cls) -> str:72 """all alphabetic characters in this range"""73 return "".join(filter(str.isalpha, cls._chars_for_ranges))74 75 @_lazyclassproperty76 def nums(cls) -> str:77 """all numeric digit characters in this range"""78 return "".join(filter(str.isdigit, cls._chars_for_ranges))79 80 @_lazyclassproperty81 def alphanums(cls) -> str:82 """all alphanumeric characters in this range"""83 return cls.alphas + cls.nums84 85 @_lazyclassproperty86 def identchars(cls) -> str:87 """all characters in this range that are valid identifier characters, plus underscore '_'"""88 return "".join(89 sorted(90 set(filter(str.isidentifier, cls._chars_for_ranges))91 | set(92 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzªµº"93 "ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ"94 "_"95 )96 )97 )98 99 @_lazyclassproperty100 def identbodychars(cls) -> str:101 """102 all characters in this range that are valid identifier body characters,103 plus the digits 0-9, and · (Unicode MIDDLE DOT)104 """105 identifier_chars = set(106 c for c in cls._chars_for_ranges if ("_" + c).isidentifier()107 )108 return "".join(109 sorted(identifier_chars | set(cls.identchars) | set("0123456789·"))110 )111 112 @_lazyclassproperty113 def identifier(cls):114 """115 a pyparsing Word expression for an identifier using this range's definitions for116 identchars and identbodychars117 """118 from pyparsing import Word119 120 return Word(cls.identchars, cls.identbodychars)121 122 123class pyparsing_unicode(unicode_set):124 """125 A namespace class for defining common language unicode_sets.126 """127 128 # fmt: off129 130 # define ranges in language character sets131 _ranges: UnicodeRangeList = [132 (0x0020, sys.maxunicode),133 ]134 135 class BasicMultilingualPlane(unicode_set):136 """Unicode set for the Basic Multilingual Plane"""137 _ranges: UnicodeRangeList = [138 (0x0020, 0xFFFF),139 ]140 141 class Latin1(unicode_set):142 """Unicode set for Latin-1 Unicode Character Range"""143 _ranges: UnicodeRangeList = [144 (0x0020, 0x007E),145 (0x00A0, 0x00FF),146 ]147 148 class LatinA(unicode_set):149 """Unicode set for Latin-A Unicode Character Range"""150 _ranges: UnicodeRangeList = [151 (0x0100, 0x017F),152 ]153 154 class LatinB(unicode_set):155 """Unicode set for Latin-B Unicode Character Range"""156 _ranges: UnicodeRangeList = [157 (0x0180, 0x024F),158 ]159 160 class Greek(unicode_set):161 """Unicode set for Greek Unicode Character Ranges"""162 _ranges: UnicodeRangeList = [163 (0x0342, 0x0345),164 (0x0370, 0x0377),165 (0x037A, 0x037F),166 (0x0384, 0x038A),167 (0x038C,),168 (0x038E, 0x03A1),169 (0x03A3, 0x03E1),170 (0x03F0, 0x03FF),171 (0x1D26, 0x1D2A),172 (0x1D5E,),173 (0x1D60,),174 (0x1D66, 0x1D6A),175 (0x1F00, 0x1F15),176 (0x1F18, 0x1F1D),177 (0x1F20, 0x1F45),178 (0x1F48, 0x1F4D),179 (0x1F50, 0x1F57),180 (0x1F59,),181 (0x1F5B,),182 (0x1F5D,),183 (0x1F5F, 0x1F7D),184 (0x1F80, 0x1FB4),185 (0x1FB6, 0x1FC4),186 (0x1FC6, 0x1FD3),187 (0x1FD6, 0x1FDB),188 (0x1FDD, 0x1FEF),189 (0x1FF2, 0x1FF4),190 (0x1FF6, 0x1FFE),191 (0x2129,),192 (0x2719, 0x271A),193 (0xAB65,),194 (0x10140, 0x1018D),195 (0x101A0,),196 (0x1D200, 0x1D245),197 (0x1F7A1, 0x1F7A7),198 ]199 200 class Cyrillic(unicode_set):201 """Unicode set for Cyrillic Unicode Character Range"""202 _ranges: UnicodeRangeList = [203 (0x0400, 0x052F),204 (0x1C80, 0x1C88),205 (0x1D2B,),206 (0x1D78,),207 (0x2DE0, 0x2DFF),208 (0xA640, 0xA672),209 (0xA674, 0xA69F),210 (0xFE2E, 0xFE2F),211 ]212 213 class Chinese(unicode_set):214 """Unicode set for Chinese Unicode Character Range"""215 _ranges: UnicodeRangeList = [216 (0x2E80, 0x2E99),217 (0x2E9B, 0x2EF3),218 (0x31C0, 0x31E3),219 (0x3400, 0x4DB5),220 (0x4E00, 0x9FEF),221 (0xA700, 0xA707),222 (0xF900, 0xFA6D),223 (0xFA70, 0xFAD9),224 (0x16FE2, 0x16FE3),225 (0x1F210, 0x1F212),226 (0x1F214, 0x1F23B),227 (0x1F240, 0x1F248),228 (0x20000, 0x2A6D6),229 (0x2A700, 0x2B734),230 (0x2B740, 0x2B81D),231 (0x2B820, 0x2CEA1),232 (0x2CEB0, 0x2EBE0),233 (0x2F800, 0x2FA1D),234 ]235 236 class Japanese(unicode_set):237 """Unicode set for Japanese Unicode Character Range, combining Kanji, Hiragana, and Katakana ranges"""238 239 class Kanji(unicode_set):240 "Unicode set for Kanji Unicode Character Range"241 _ranges: UnicodeRangeList = [242 (0x4E00, 0x9FBF),243 (0x3000, 0x303F),244 ]245 246 class Hiragana(unicode_set):247 """Unicode set for Hiragana Unicode Character Range"""248 _ranges: UnicodeRangeList = [249 (0x3041, 0x3096),250 (0x3099, 0x30A0),251 (0x30FC,),252 (0xFF70,),253 (0x1B001,),254 (0x1B150, 0x1B152),255 (0x1F200,),256 ]257 258 class Katakana(unicode_set):259 """Unicode set for Katakana Unicode Character Range"""260 _ranges: UnicodeRangeList = [261 (0x3099, 0x309C),262 (0x30A0, 0x30FF),263 (0x31F0, 0x31FF),264 (0x32D0, 0x32FE),265 (0xFF65, 0xFF9F),266 (0x1B000,),267 (0x1B164, 0x1B167),268 (0x1F201, 0x1F202),269 (0x1F213,),270 ]271 272 漢字 = Kanji273 カタカナ = Katakana274 ひらがな = Hiragana275 276 _ranges = (277 Kanji._ranges278 + Hiragana._ranges279 + Katakana._ranges280 )281 282 class Hangul(unicode_set):283 """Unicode set for Hangul (Korean) Unicode Character Range"""284 _ranges: UnicodeRangeList = [285 (0x1100, 0x11FF),286 (0x302E, 0x302F),287 (0x3131, 0x318E),288 (0x3200, 0x321C),289 (0x3260, 0x327B),290 (0x327E,),291 (0xA960, 0xA97C),292 (0xAC00, 0xD7A3),293 (0xD7B0, 0xD7C6),294 (0xD7CB, 0xD7FB),295 (0xFFA0, 0xFFBE),296 (0xFFC2, 0xFFC7),297 (0xFFCA, 0xFFCF),298 (0xFFD2, 0xFFD7),299 (0xFFDA, 0xFFDC),300 ]301 302 Korean = Hangul303 304 class CJK(Chinese, Japanese, Hangul):305 """Unicode set for combined Chinese, Japanese, and Korean (CJK) Unicode Character Range"""306 307 class Thai(unicode_set):308 """Unicode set for Thai Unicode Character Range"""309 _ranges: UnicodeRangeList = [310 (0x0E01, 0x0E3A),311 (0x0E3F, 0x0E5B)312 ]313 314 class Arabic(unicode_set):315 """Unicode set for Arabic Unicode Character Range"""316 _ranges: UnicodeRangeList = [317 (0x0600, 0x061B),318 (0x061E, 0x06FF),319 (0x0700, 0x077F),320 ]321 322 class Hebrew(unicode_set):323 """Unicode set for Hebrew Unicode Character Range"""324 _ranges: UnicodeRangeList = [325 (0x0591, 0x05C7),326 (0x05D0, 0x05EA),327 (0x05EF, 0x05F4),328 (0xFB1D, 0xFB36),329 (0xFB38, 0xFB3C),330 (0xFB3E,),331 (0xFB40, 0xFB41),332 (0xFB43, 0xFB44),333 (0xFB46, 0xFB4F),334 ]335 336 class Devanagari(unicode_set):337 """Unicode set for Devanagari Unicode Character Range"""338 _ranges: UnicodeRangeList = [339 (0x0900, 0x097F),340 (0xA8E0, 0xA8FF)341 ]342 343 BMP = BasicMultilingualPlane344 345 # add language identifiers using language Unicode346 العربية = Arabic347 中文 = Chinese348 кириллица = Cyrillic349 Ελληνικά = Greek350 עִברִית = Hebrew351 日本語 = Japanese352 한국어 = Korean353 ไทย = Thai354 देवनागरी = Devanagari355 356 # fmt: on357 