353 lines
10 KiB
Python
353 lines
10 KiB
Python
# unicode.py
|
|
|
|
import sys
|
|
from itertools import filterfalse
|
|
from typing import List, Tuple, Union
|
|
|
|
|
|
class _lazyclassproperty:
|
|
def __init__(self, fn):
|
|
self.fn = fn
|
|
self.__doc__ = fn.__doc__
|
|
self.__name__ = fn.__name__
|
|
|
|
def __get__(self, obj, cls):
|
|
if cls is None:
|
|
cls = type(obj)
|
|
if not hasattr(cls, "_intern") or any(
|
|
cls._intern is getattr(superclass, "_intern", [])
|
|
for superclass in cls.__mro__[1:]
|
|
):
|
|
cls._intern = {}
|
|
attrname = self.fn.__name__
|
|
if attrname not in cls._intern:
|
|
cls._intern[attrname] = self.fn(cls)
|
|
return cls._intern[attrname]
|
|
|
|
|
|
UnicodeRangeList = List[Union[Tuple[int, int], Tuple[int]]]
|
|
|
|
|
|
class unicode_set:
|
|
"""
|
|
A set of Unicode characters, for language-specific strings for
|
|
``alphas``, ``nums``, ``alphanums``, and ``printables``.
|
|
A unicode_set is defined by a list of ranges in the Unicode character
|
|
set, in a class attribute ``_ranges``. Ranges can be specified using
|
|
2-tuples or a 1-tuple, such as::
|
|
|
|
_ranges = [
|
|
(0x0020, 0x007e),
|
|
(0x00a0, 0x00ff),
|
|
(0x0100,),
|
|
]
|
|
|
|
Ranges are left- and right-inclusive. A 1-tuple of (x,) is treated as (x, x).
|
|
|
|
A unicode set can also be defined using multiple inheritance of other unicode sets::
|
|
|
|
class CJK(Chinese, Japanese, Korean):
|
|
pass
|
|
"""
|
|
|
|
_ranges: UnicodeRangeList = []
|
|
|
|
@_lazyclassproperty
|
|
def _chars_for_ranges(cls):
|
|
ret = []
|
|
for cc in cls.__mro__:
|
|
if cc is unicode_set:
|
|
break
|
|
for rr in getattr(cc, "_ranges", ()):
|
|
ret.extend(range(rr[0], rr[-1] + 1))
|
|
return [chr(c) for c in sorted(set(ret))]
|
|
|
|
@_lazyclassproperty
|
|
def printables(cls):
|
|
"all non-whitespace characters in this range"
|
|
return "".join(filterfalse(str.isspace, cls._chars_for_ranges))
|
|
|
|
@_lazyclassproperty
|
|
def alphas(cls):
|
|
"all alphabetic characters in this range"
|
|
return "".join(filter(str.isalpha, cls._chars_for_ranges))
|
|
|
|
@_lazyclassproperty
|
|
def nums(cls):
|
|
"all numeric digit characters in this range"
|
|
return "".join(filter(str.isdigit, cls._chars_for_ranges))
|
|
|
|
@_lazyclassproperty
|
|
def alphanums(cls):
|
|
"all alphanumeric characters in this range"
|
|
return cls.alphas + cls.nums
|
|
|
|
@_lazyclassproperty
|
|
def identchars(cls):
|
|
"all characters in this range that are valid identifier characters, plus underscore '_'"
|
|
return "".join(
|
|
sorted(
|
|
set(
|
|
"".join(filter(str.isidentifier, cls._chars_for_ranges))
|
|
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzªµº"
|
|
+ "ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ"
|
|
+ "_"
|
|
)
|
|
)
|
|
)
|
|
|
|
@_lazyclassproperty
|
|
def identbodychars(cls):
|
|
"""
|
|
all characters in this range that are valid identifier body characters,
|
|
plus the digits 0-9
|
|
"""
|
|
return "".join(
|
|
sorted(
|
|
set(
|
|
cls.identchars
|
|
+ "0123456789"
|
|
+ "".join(
|
|
[c for c in cls._chars_for_ranges if ("_" + c).isidentifier()]
|
|
)
|
|
)
|
|
)
|
|
)
|
|
|
|
|
|
class pyparsing_unicode(unicode_set):
|
|
"""
|
|
A namespace class for defining common language unicode_sets.
|
|
"""
|
|
|
|
# fmt: off
|
|
|
|
# define ranges in language character sets
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0020, sys.maxunicode),
|
|
]
|
|
|
|
class BasicMultilingualPlane(unicode_set):
|
|
"Unicode set for the Basic Multilingual Plane"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0020, 0xFFFF),
|
|
]
|
|
|
|
class Latin1(unicode_set):
|
|
"Unicode set for Latin-1 Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0020, 0x007E),
|
|
(0x00A0, 0x00FF),
|
|
]
|
|
|
|
class LatinA(unicode_set):
|
|
"Unicode set for Latin-A Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0100, 0x017F),
|
|
]
|
|
|
|
class LatinB(unicode_set):
|
|
"Unicode set for Latin-B Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0180, 0x024F),
|
|
]
|
|
|
|
class Greek(unicode_set):
|
|
"Unicode set for Greek Unicode Character Ranges"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0342, 0x0345),
|
|
(0x0370, 0x0377),
|
|
(0x037A, 0x037F),
|
|
(0x0384, 0x038A),
|
|
(0x038C,),
|
|
(0x038E, 0x03A1),
|
|
(0x03A3, 0x03E1),
|
|
(0x03F0, 0x03FF),
|
|
(0x1D26, 0x1D2A),
|
|
(0x1D5E,),
|
|
(0x1D60,),
|
|
(0x1D66, 0x1D6A),
|
|
(0x1F00, 0x1F15),
|
|
(0x1F18, 0x1F1D),
|
|
(0x1F20, 0x1F45),
|
|
(0x1F48, 0x1F4D),
|
|
(0x1F50, 0x1F57),
|
|
(0x1F59,),
|
|
(0x1F5B,),
|
|
(0x1F5D,),
|
|
(0x1F5F, 0x1F7D),
|
|
(0x1F80, 0x1FB4),
|
|
(0x1FB6, 0x1FC4),
|
|
(0x1FC6, 0x1FD3),
|
|
(0x1FD6, 0x1FDB),
|
|
(0x1FDD, 0x1FEF),
|
|
(0x1FF2, 0x1FF4),
|
|
(0x1FF6, 0x1FFE),
|
|
(0x2129,),
|
|
(0x2719, 0x271A),
|
|
(0xAB65,),
|
|
(0x10140, 0x1018D),
|
|
(0x101A0,),
|
|
(0x1D200, 0x1D245),
|
|
(0x1F7A1, 0x1F7A7),
|
|
]
|
|
|
|
class Cyrillic(unicode_set):
|
|
"Unicode set for Cyrillic Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0400, 0x052F),
|
|
(0x1C80, 0x1C88),
|
|
(0x1D2B,),
|
|
(0x1D78,),
|
|
(0x2DE0, 0x2DFF),
|
|
(0xA640, 0xA672),
|
|
(0xA674, 0xA69F),
|
|
(0xFE2E, 0xFE2F),
|
|
]
|
|
|
|
class Chinese(unicode_set):
|
|
"Unicode set for Chinese Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x2E80, 0x2E99),
|
|
(0x2E9B, 0x2EF3),
|
|
(0x31C0, 0x31E3),
|
|
(0x3400, 0x4DB5),
|
|
(0x4E00, 0x9FEF),
|
|
(0xA700, 0xA707),
|
|
(0xF900, 0xFA6D),
|
|
(0xFA70, 0xFAD9),
|
|
(0x16FE2, 0x16FE3),
|
|
(0x1F210, 0x1F212),
|
|
(0x1F214, 0x1F23B),
|
|
(0x1F240, 0x1F248),
|
|
(0x20000, 0x2A6D6),
|
|
(0x2A700, 0x2B734),
|
|
(0x2B740, 0x2B81D),
|
|
(0x2B820, 0x2CEA1),
|
|
(0x2CEB0, 0x2EBE0),
|
|
(0x2F800, 0x2FA1D),
|
|
]
|
|
|
|
class Japanese(unicode_set):
|
|
"Unicode set for Japanese Unicode Character Range, combining Kanji, Hiragana, and Katakana ranges"
|
|
_ranges: UnicodeRangeList = []
|
|
|
|
class Kanji(unicode_set):
|
|
"Unicode set for Kanji Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x4E00, 0x9FBF),
|
|
(0x3000, 0x303F),
|
|
]
|
|
|
|
class Hiragana(unicode_set):
|
|
"Unicode set for Hiragana Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x3041, 0x3096),
|
|
(0x3099, 0x30A0),
|
|
(0x30FC,),
|
|
(0xFF70,),
|
|
(0x1B001,),
|
|
(0x1B150, 0x1B152),
|
|
(0x1F200,),
|
|
]
|
|
|
|
class Katakana(unicode_set):
|
|
"Unicode set for Katakana Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x3099, 0x309C),
|
|
(0x30A0, 0x30FF),
|
|
(0x31F0, 0x31FF),
|
|
(0x32D0, 0x32FE),
|
|
(0xFF65, 0xFF9F),
|
|
(0x1B000,),
|
|
(0x1B164, 0x1B167),
|
|
(0x1F201, 0x1F202),
|
|
(0x1F213,),
|
|
]
|
|
|
|
class Hangul(unicode_set):
|
|
"Unicode set for Hangul (Korean) Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x1100, 0x11FF),
|
|
(0x302E, 0x302F),
|
|
(0x3131, 0x318E),
|
|
(0x3200, 0x321C),
|
|
(0x3260, 0x327B),
|
|
(0x327E,),
|
|
(0xA960, 0xA97C),
|
|
(0xAC00, 0xD7A3),
|
|
(0xD7B0, 0xD7C6),
|
|
(0xD7CB, 0xD7FB),
|
|
(0xFFA0, 0xFFBE),
|
|
(0xFFC2, 0xFFC7),
|
|
(0xFFCA, 0xFFCF),
|
|
(0xFFD2, 0xFFD7),
|
|
(0xFFDA, 0xFFDC),
|
|
]
|
|
|
|
Korean = Hangul
|
|
|
|
class CJK(Chinese, Japanese, Hangul):
|
|
"Unicode set for combined Chinese, Japanese, and Korean (CJK) Unicode Character Range"
|
|
|
|
class Thai(unicode_set):
|
|
"Unicode set for Thai Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0E01, 0x0E3A),
|
|
(0x0E3F, 0x0E5B)
|
|
]
|
|
|
|
class Arabic(unicode_set):
|
|
"Unicode set for Arabic Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0600, 0x061B),
|
|
(0x061E, 0x06FF),
|
|
(0x0700, 0x077F),
|
|
]
|
|
|
|
class Hebrew(unicode_set):
|
|
"Unicode set for Hebrew Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0591, 0x05C7),
|
|
(0x05D0, 0x05EA),
|
|
(0x05EF, 0x05F4),
|
|
(0xFB1D, 0xFB36),
|
|
(0xFB38, 0xFB3C),
|
|
(0xFB3E,),
|
|
(0xFB40, 0xFB41),
|
|
(0xFB43, 0xFB44),
|
|
(0xFB46, 0xFB4F),
|
|
]
|
|
|
|
class Devanagari(unicode_set):
|
|
"Unicode set for Devanagari Unicode Character Range"
|
|
_ranges: UnicodeRangeList = [
|
|
(0x0900, 0x097F),
|
|
(0xA8E0, 0xA8FF)
|
|
]
|
|
|
|
# fmt: on
|
|
|
|
|
|
pyparsing_unicode.Japanese._ranges = (
|
|
pyparsing_unicode.Japanese.Kanji._ranges
|
|
+ pyparsing_unicode.Japanese.Hiragana._ranges
|
|
+ pyparsing_unicode.Japanese.Katakana._ranges
|
|
)
|
|
|
|
pyparsing_unicode.BMP = pyparsing_unicode.BasicMultilingualPlane
|
|
|
|
# add language identifiers using language Unicode
|
|
pyparsing_unicode.العربية = pyparsing_unicode.Arabic
|
|
pyparsing_unicode.中文 = pyparsing_unicode.Chinese
|
|
pyparsing_unicode.кириллица = pyparsing_unicode.Cyrillic
|
|
pyparsing_unicode.Ελληνικά = pyparsing_unicode.Greek
|
|
pyparsing_unicode.עִברִית = pyparsing_unicode.Hebrew
|
|
pyparsing_unicode.日本語 = pyparsing_unicode.Japanese
|
|
pyparsing_unicode.Japanese.漢字 = pyparsing_unicode.Japanese.Kanji
|
|
pyparsing_unicode.Japanese.カタカナ = pyparsing_unicode.Japanese.Katakana
|
|
pyparsing_unicode.Japanese.ひらがな = pyparsing_unicode.Japanese.Hiragana
|
|
pyparsing_unicode.한국어 = pyparsing_unicode.Korean
|
|
pyparsing_unicode.ไทย = pyparsing_unicode.Thai
|
|
pyparsing_unicode.देवनागरी = pyparsing_unicode.Devanagari
|