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+++ b/.venv/lib/python3.12/site-packages/charset_normalizer/constant.py
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+from __future__ import annotations
+
+from codecs import BOM_UTF8, BOM_UTF16_BE, BOM_UTF16_LE, BOM_UTF32_BE, BOM_UTF32_LE
+from encodings.aliases import aliases
+from re import IGNORECASE
+from re import compile as re_compile
+
+# Contain for each eligible encoding a list of/item bytes SIG/BOM
+ENCODING_MARKS: dict[str, bytes | list[bytes]] = {
+ "utf_8": BOM_UTF8,
+ "utf_7": [
+ b"\x2b\x2f\x76\x38",
+ b"\x2b\x2f\x76\x39",
+ b"\x2b\x2f\x76\x2b",
+ b"\x2b\x2f\x76\x2f",
+ b"\x2b\x2f\x76\x38\x2d",
+ ],
+ "gb18030": b"\x84\x31\x95\x33",
+ "utf_32": [BOM_UTF32_BE, BOM_UTF32_LE],
+ "utf_16": [BOM_UTF16_BE, BOM_UTF16_LE],
+}
+
+TOO_SMALL_SEQUENCE: int = 32
+TOO_BIG_SEQUENCE: int = int(10e6)
+
+UTF8_MAXIMAL_ALLOCATION: int = 1_112_064
+
+# Up-to-date Unicode ucd/15.0.0
+UNICODE_RANGES_COMBINED: dict[str, range] = {
+ "Control character": range(32),
+ "Basic Latin": range(32, 128),
+ "Latin-1 Supplement": range(128, 256),
+ "Latin Extended-A": range(256, 384),
+ "Latin Extended-B": range(384, 592),
+ "IPA Extensions": range(592, 688),
+ "Spacing Modifier Letters": range(688, 768),
+ "Combining Diacritical Marks": range(768, 880),
+ "Greek and Coptic": range(880, 1024),
+ "Cyrillic": range(1024, 1280),
+ "Cyrillic Supplement": range(1280, 1328),
+ "Armenian": range(1328, 1424),
+ "Hebrew": range(1424, 1536),
+ "Arabic": range(1536, 1792),
+ "Syriac": range(1792, 1872),
+ "Arabic Supplement": range(1872, 1920),
+ "Thaana": range(1920, 1984),
+ "NKo": range(1984, 2048),
+ "Samaritan": range(2048, 2112),
+ "Mandaic": range(2112, 2144),
+ "Syriac Supplement": range(2144, 2160),
+ "Arabic Extended-B": range(2160, 2208),
+ "Arabic Extended-A": range(2208, 2304),
+ "Devanagari": range(2304, 2432),
+ "Bengali": range(2432, 2560),
+ "Gurmukhi": range(2560, 2688),
+ "Gujarati": range(2688, 2816),
+ "Oriya": range(2816, 2944),
+ "Tamil": range(2944, 3072),
+ "Telugu": range(3072, 3200),
+ "Kannada": range(3200, 3328),
+ "Malayalam": range(3328, 3456),
+ "Sinhala": range(3456, 3584),
+ "Thai": range(3584, 3712),
+ "Lao": range(3712, 3840),
+ "Tibetan": range(3840, 4096),
+ "Myanmar": range(4096, 4256),
+ "Georgian": range(4256, 4352),
+ "Hangul Jamo": range(4352, 4608),
+ "Ethiopic": range(4608, 4992),
+ "Ethiopic Supplement": range(4992, 5024),
+ "Cherokee": range(5024, 5120),
+ "Unified Canadian Aboriginal Syllabics": range(5120, 5760),
+ "Ogham": range(5760, 5792),
+ "Runic": range(5792, 5888),
+ "Tagalog": range(5888, 5920),
+ "Hanunoo": range(5920, 5952),
+ "Buhid": range(5952, 5984),
+ "Tagbanwa": range(5984, 6016),
+ "Khmer": range(6016, 6144),
+ "Mongolian": range(6144, 6320),
+ "Unified Canadian Aboriginal Syllabics Extended": range(6320, 6400),
+ "Limbu": range(6400, 6480),
+ "Tai Le": range(6480, 6528),
+ "New Tai Lue": range(6528, 6624),
+ "Khmer Symbols": range(6624, 6656),
+ "Buginese": range(6656, 6688),
+ "Tai Tham": range(6688, 6832),
+ "Combining Diacritical Marks Extended": range(6832, 6912),
+ "Balinese": range(6912, 7040),
+ "Sundanese": range(7040, 7104),
+ "Batak": range(7104, 7168),
+ "Lepcha": range(7168, 7248),
+ "Ol Chiki": range(7248, 7296),
+ "Cyrillic Extended-C": range(7296, 7312),
+ "Georgian Extended": range(7312, 7360),
+ "Sundanese Supplement": range(7360, 7376),
+ "Vedic Extensions": range(7376, 7424),
+ "Phonetic Extensions": range(7424, 7552),
+ "Phonetic Extensions Supplement": range(7552, 7616),
+ "Combining Diacritical Marks Supplement": range(7616, 7680),
+ "Latin Extended Additional": range(7680, 7936),
+ "Greek Extended": range(7936, 8192),
+ "General Punctuation": range(8192, 8304),
+ "Superscripts and Subscripts": range(8304, 8352),
+ "Currency Symbols": range(8352, 8400),
+ "Combining Diacritical Marks for Symbols": range(8400, 8448),
+ "Letterlike Symbols": range(8448, 8528),
+ "Number Forms": range(8528, 8592),
+ "Arrows": range(8592, 8704),
+ "Mathematical Operators": range(8704, 8960),
+ "Miscellaneous Technical": range(8960, 9216),
+ "Control Pictures": range(9216, 9280),
+ "Optical Character Recognition": range(9280, 9312),
+ "Enclosed Alphanumerics": range(9312, 9472),
+ "Box Drawing": range(9472, 9600),
+ "Block Elements": range(9600, 9632),
+ "Geometric Shapes": range(9632, 9728),
+ "Miscellaneous Symbols": range(9728, 9984),
+ "Dingbats": range(9984, 10176),
+ "Miscellaneous Mathematical Symbols-A": range(10176, 10224),
+ "Supplemental Arrows-A": range(10224, 10240),
+ "Braille Patterns": range(10240, 10496),
+ "Supplemental Arrows-B": range(10496, 10624),
+ "Miscellaneous Mathematical Symbols-B": range(10624, 10752),
+ "Supplemental Mathematical Operators": range(10752, 11008),
+ "Miscellaneous Symbols and Arrows": range(11008, 11264),
+ "Glagolitic": range(11264, 11360),
+ "Latin Extended-C": range(11360, 11392),
+ "Coptic": range(11392, 11520),
+ "Georgian Supplement": range(11520, 11568),
+ "Tifinagh": range(11568, 11648),
+ "Ethiopic Extended": range(11648, 11744),
+ "Cyrillic Extended-A": range(11744, 11776),
+ "Supplemental Punctuation": range(11776, 11904),
+ "CJK Radicals Supplement": range(11904, 12032),
+ "Kangxi Radicals": range(12032, 12256),
+ "Ideographic Description Characters": range(12272, 12288),
+ "CJK Symbols and Punctuation": range(12288, 12352),
+ "Hiragana": range(12352, 12448),
+ "Katakana": range(12448, 12544),
+ "Bopomofo": range(12544, 12592),
+ "Hangul Compatibility Jamo": range(12592, 12688),
+ "Kanbun": range(12688, 12704),
+ "Bopomofo Extended": range(12704, 12736),
+ "CJK Strokes": range(12736, 12784),
+ "Katakana Phonetic Extensions": range(12784, 12800),
+ "Enclosed CJK Letters and Months": range(12800, 13056),
+ "CJK Compatibility": range(13056, 13312),
+ "CJK Unified Ideographs Extension A": range(13312, 19904),
+ "Yijing Hexagram Symbols": range(19904, 19968),
+ "CJK Unified Ideographs": range(19968, 40960),
+ "Yi Syllables": range(40960, 42128),
+ "Yi Radicals": range(42128, 42192),
+ "Lisu": range(42192, 42240),
+ "Vai": range(42240, 42560),
+ "Cyrillic Extended-B": range(42560, 42656),
+ "Bamum": range(42656, 42752),
+ "Modifier Tone Letters": range(42752, 42784),
+ "Latin Extended-D": range(42784, 43008),
+ "Syloti Nagri": range(43008, 43056),
+ "Common Indic Number Forms": range(43056, 43072),
+ "Phags-pa": range(43072, 43136),
+ "Saurashtra": range(43136, 43232),
+ "Devanagari Extended": range(43232, 43264),
+ "Kayah Li": range(43264, 43312),
+ "Rejang": range(43312, 43360),
+ "Hangul Jamo Extended-A": range(43360, 43392),
+ "Javanese": range(43392, 43488),
+ "Myanmar Extended-B": range(43488, 43520),
+ "Cham": range(43520, 43616),
+ "Myanmar Extended-A": range(43616, 43648),
+ "Tai Viet": range(43648, 43744),
+ "Meetei Mayek Extensions": range(43744, 43776),
+ "Ethiopic Extended-A": range(43776, 43824),
+ "Latin Extended-E": range(43824, 43888),
+ "Cherokee Supplement": range(43888, 43968),
+ "Meetei Mayek": range(43968, 44032),
+ "Hangul Syllables": range(44032, 55216),
+ "Hangul Jamo Extended-B": range(55216, 55296),
+ "High Surrogates": range(55296, 56192),
+ "High Private Use Surrogates": range(56192, 56320),
+ "Low Surrogates": range(56320, 57344),
+ "Private Use Area": range(57344, 63744),
+ "CJK Compatibility Ideographs": range(63744, 64256),
+ "Alphabetic Presentation Forms": range(64256, 64336),
+ "Arabic Presentation Forms-A": range(64336, 65024),
+ "Variation Selectors": range(65024, 65040),
+ "Vertical Forms": range(65040, 65056),
+ "Combining Half Marks": range(65056, 65072),
+ "CJK Compatibility Forms": range(65072, 65104),
+ "Small Form Variants": range(65104, 65136),
+ "Arabic Presentation Forms-B": range(65136, 65280),
+ "Halfwidth and Fullwidth Forms": range(65280, 65520),
+ "Specials": range(65520, 65536),
+ "Linear B Syllabary": range(65536, 65664),
+ "Linear B Ideograms": range(65664, 65792),
+ "Aegean Numbers": range(65792, 65856),
+ "Ancient Greek Numbers": range(65856, 65936),
+ "Ancient Symbols": range(65936, 66000),
+ "Phaistos Disc": range(66000, 66048),
+ "Lycian": range(66176, 66208),
+ "Carian": range(66208, 66272),
+ "Coptic Epact Numbers": range(66272, 66304),
+ "Old Italic": range(66304, 66352),
+ "Gothic": range(66352, 66384),
+ "Old Permic": range(66384, 66432),
+ "Ugaritic": range(66432, 66464),
+ "Old Persian": range(66464, 66528),
+ "Deseret": range(66560, 66640),
+ "Shavian": range(66640, 66688),
+ "Osmanya": range(66688, 66736),
+ "Osage": range(66736, 66816),
+ "Elbasan": range(66816, 66864),
+ "Caucasian Albanian": range(66864, 66928),
+ "Vithkuqi": range(66928, 67008),
+ "Linear A": range(67072, 67456),
+ "Latin Extended-F": range(67456, 67520),
+ "Cypriot Syllabary": range(67584, 67648),
+ "Imperial Aramaic": range(67648, 67680),
+ "Palmyrene": range(67680, 67712),
+ "Nabataean": range(67712, 67760),
+ "Hatran": range(67808, 67840),
+ "Phoenician": range(67840, 67872),
+ "Lydian": range(67872, 67904),
+ "Meroitic Hieroglyphs": range(67968, 68000),
+ "Meroitic Cursive": range(68000, 68096),
+ "Kharoshthi": range(68096, 68192),
+ "Old South Arabian": range(68192, 68224),
+ "Old North Arabian": range(68224, 68256),
+ "Manichaean": range(68288, 68352),
+ "Avestan": range(68352, 68416),
+ "Inscriptional Parthian": range(68416, 68448),
+ "Inscriptional Pahlavi": range(68448, 68480),
+ "Psalter Pahlavi": range(68480, 68528),
+ "Old Turkic": range(68608, 68688),
+ "Old Hungarian": range(68736, 68864),
+ "Hanifi Rohingya": range(68864, 68928),
+ "Rumi Numeral Symbols": range(69216, 69248),
+ "Yezidi": range(69248, 69312),
+ "Arabic Extended-C": range(69312, 69376),
+ "Old Sogdian": range(69376, 69424),
+ "Sogdian": range(69424, 69488),
+ "Old Uyghur": range(69488, 69552),
+ "Chorasmian": range(69552, 69600),
+ "Elymaic": range(69600, 69632),
+ "Brahmi": range(69632, 69760),
+ "Kaithi": range(69760, 69840),
+ "Sora Sompeng": range(69840, 69888),
+ "Chakma": range(69888, 69968),
+ "Mahajani": range(69968, 70016),
+ "Sharada": range(70016, 70112),
+ "Sinhala Archaic Numbers": range(70112, 70144),
+ "Khojki": range(70144, 70224),
+ "Multani": range(70272, 70320),
+ "Khudawadi": range(70320, 70400),
+ "Grantha": range(70400, 70528),
+ "Newa": range(70656, 70784),
+ "Tirhuta": range(70784, 70880),
+ "Siddham": range(71040, 71168),
+ "Modi": range(71168, 71264),
+ "Mongolian Supplement": range(71264, 71296),
+ "Takri": range(71296, 71376),
+ "Ahom": range(71424, 71504),
+ "Dogra": range(71680, 71760),
+ "Warang Citi": range(71840, 71936),
+ "Dives Akuru": range(71936, 72032),
+ "Nandinagari": range(72096, 72192),
+ "Zanabazar Square": range(72192, 72272),
+ "Soyombo": range(72272, 72368),
+ "Unified Canadian Aboriginal Syllabics Extended-A": range(72368, 72384),
+ "Pau Cin Hau": range(72384, 72448),
+ "Devanagari Extended-A": range(72448, 72544),
+ "Bhaiksuki": range(72704, 72816),
+ "Marchen": range(72816, 72896),
+ "Masaram Gondi": range(72960, 73056),
+ "Gunjala Gondi": range(73056, 73136),
+ "Makasar": range(73440, 73472),
+ "Kawi": range(73472, 73568),
+ "Lisu Supplement": range(73648, 73664),
+ "Tamil Supplement": range(73664, 73728),
+ "Cuneiform": range(73728, 74752),
+ "Cuneiform Numbers and Punctuation": range(74752, 74880),
+ "Early Dynastic Cuneiform": range(74880, 75088),
+ "Cypro-Minoan": range(77712, 77824),
+ "Egyptian Hieroglyphs": range(77824, 78896),
+ "Egyptian Hieroglyph Format Controls": range(78896, 78944),
+ "Anatolian Hieroglyphs": range(82944, 83584),
+ "Bamum Supplement": range(92160, 92736),
+ "Mro": range(92736, 92784),
+ "Tangsa": range(92784, 92880),
+ "Bassa Vah": range(92880, 92928),
+ "Pahawh Hmong": range(92928, 93072),
+ "Medefaidrin": range(93760, 93856),
+ "Miao": range(93952, 94112),
+ "Ideographic Symbols and Punctuation": range(94176, 94208),
+ "Tangut": range(94208, 100352),
+ "Tangut Components": range(100352, 101120),
+ "Khitan Small Script": range(101120, 101632),
+ "Tangut Supplement": range(101632, 101760),
+ "Kana Extended-B": range(110576, 110592),
+ "Kana Supplement": range(110592, 110848),
+ "Kana Extended-A": range(110848, 110896),
+ "Small Kana Extension": range(110896, 110960),
+ "Nushu": range(110960, 111360),
+ "Duployan": range(113664, 113824),
+ "Shorthand Format Controls": range(113824, 113840),
+ "Znamenny Musical Notation": range(118528, 118736),
+ "Byzantine Musical Symbols": range(118784, 119040),
+ "Musical Symbols": range(119040, 119296),
+ "Ancient Greek Musical Notation": range(119296, 119376),
+ "Kaktovik Numerals": range(119488, 119520),
+ "Mayan Numerals": range(119520, 119552),
+ "Tai Xuan Jing Symbols": range(119552, 119648),
+ "Counting Rod Numerals": range(119648, 119680),
+ "Mathematical Alphanumeric Symbols": range(119808, 120832),
+ "Sutton SignWriting": range(120832, 121520),
+ "Latin Extended-G": range(122624, 122880),
+ "Glagolitic Supplement": range(122880, 122928),
+ "Cyrillic Extended-D": range(122928, 123024),
+ "Nyiakeng Puachue Hmong": range(123136, 123216),
+ "Toto": range(123536, 123584),
+ "Wancho": range(123584, 123648),
+ "Nag Mundari": range(124112, 124160),
+ "Ethiopic Extended-B": range(124896, 124928),
+ "Mende Kikakui": range(124928, 125152),
+ "Adlam": range(125184, 125280),
+ "Indic Siyaq Numbers": range(126064, 126144),
+ "Ottoman Siyaq Numbers": range(126208, 126288),
+ "Arabic Mathematical Alphabetic Symbols": range(126464, 126720),
+ "Mahjong Tiles": range(126976, 127024),
+ "Domino Tiles": range(127024, 127136),
+ "Playing Cards": range(127136, 127232),
+ "Enclosed Alphanumeric Supplement": range(127232, 127488),
+ "Enclosed Ideographic Supplement": range(127488, 127744),
+ "Miscellaneous Symbols and Pictographs": range(127744, 128512),
+ "Emoticons range(Emoji)": range(128512, 128592),
+ "Ornamental Dingbats": range(128592, 128640),
+ "Transport and Map Symbols": range(128640, 128768),
+ "Alchemical Symbols": range(128768, 128896),
+ "Geometric Shapes Extended": range(128896, 129024),
+ "Supplemental Arrows-C": range(129024, 129280),
+ "Supplemental Symbols and Pictographs": range(129280, 129536),
+ "Chess Symbols": range(129536, 129648),
+ "Symbols and Pictographs Extended-A": range(129648, 129792),
+ "Symbols for Legacy Computing": range(129792, 130048),
+ "CJK Unified Ideographs Extension B": range(131072, 173792),
+ "CJK Unified Ideographs Extension C": range(173824, 177984),
+ "CJK Unified Ideographs Extension D": range(177984, 178208),
+ "CJK Unified Ideographs Extension E": range(178208, 183984),
+ "CJK Unified Ideographs Extension F": range(183984, 191472),
+ "CJK Compatibility Ideographs Supplement": range(194560, 195104),
+ "CJK Unified Ideographs Extension G": range(196608, 201552),
+ "CJK Unified Ideographs Extension H": range(201552, 205744),
+ "Tags": range(917504, 917632),
+ "Variation Selectors Supplement": range(917760, 918000),
+ "Supplementary Private Use Area-A": range(983040, 1048576),
+ "Supplementary Private Use Area-B": range(1048576, 1114112),
+}
+
+
+UNICODE_SECONDARY_RANGE_KEYWORD: list[str] = [
+ "Supplement",
+ "Extended",
+ "Extensions",
+ "Modifier",
+ "Marks",
+ "Punctuation",
+ "Symbols",
+ "Forms",
+ "Operators",
+ "Miscellaneous",
+ "Drawing",
+ "Block",
+ "Shapes",
+ "Supplemental",
+ "Tags",
+]
+
+RE_POSSIBLE_ENCODING_INDICATION = re_compile(
+ r"(?:(?:encoding)|(?:charset)|(?:coding))(?:[\:= ]{1,10})(?:[\"\']?)([a-zA-Z0-9\-_]+)(?:[\"\']?)",
+ IGNORECASE,
+)
+
+IANA_NO_ALIASES = [
+ "cp720",
+ "cp737",
+ "cp856",
+ "cp874",
+ "cp875",
+ "cp1006",
+ "koi8_r",
+ "koi8_t",
+ "koi8_u",
+]
+
+IANA_SUPPORTED: list[str] = sorted(
+ filter(
+ lambda x: x.endswith("_codec") is False
+ and x not in {"rot_13", "tactis", "mbcs"},
+ list(set(aliases.values())) + IANA_NO_ALIASES,
+ )
+)
+
+IANA_SUPPORTED_COUNT: int = len(IANA_SUPPORTED)
+
+# pre-computed code page that are similar using the function cp_similarity.
+IANA_SUPPORTED_SIMILAR: dict[str, list[str]] = {
+ "cp037": ["cp1026", "cp1140", "cp273", "cp500"],
+ "cp1026": ["cp037", "cp1140", "cp273", "cp500"],
+ "cp1125": ["cp866"],
+ "cp1140": ["cp037", "cp1026", "cp273", "cp500"],
+ "cp1250": ["iso8859_2"],
+ "cp1251": ["kz1048", "ptcp154"],
+ "cp1252": ["iso8859_15", "iso8859_9", "latin_1"],
+ "cp1253": ["iso8859_7"],
+ "cp1254": ["iso8859_15", "iso8859_9", "latin_1"],
+ "cp1257": ["iso8859_13"],
+ "cp273": ["cp037", "cp1026", "cp1140", "cp500"],
+ "cp437": ["cp850", "cp858", "cp860", "cp861", "cp862", "cp863", "cp865"],
+ "cp500": ["cp037", "cp1026", "cp1140", "cp273"],
+ "cp850": ["cp437", "cp857", "cp858", "cp865"],
+ "cp857": ["cp850", "cp858", "cp865"],
+ "cp858": ["cp437", "cp850", "cp857", "cp865"],
+ "cp860": ["cp437", "cp861", "cp862", "cp863", "cp865"],
+ "cp861": ["cp437", "cp860", "cp862", "cp863", "cp865"],
+ "cp862": ["cp437", "cp860", "cp861", "cp863", "cp865"],
+ "cp863": ["cp437", "cp860", "cp861", "cp862", "cp865"],
+ "cp865": ["cp437", "cp850", "cp857", "cp858", "cp860", "cp861", "cp862", "cp863"],
+ "cp866": ["cp1125"],
+ "iso8859_10": ["iso8859_14", "iso8859_15", "iso8859_4", "iso8859_9", "latin_1"],
+ "iso8859_11": ["tis_620"],
+ "iso8859_13": ["cp1257"],
+ "iso8859_14": [
+ "iso8859_10",
+ "iso8859_15",
+ "iso8859_16",
+ "iso8859_3",
+ "iso8859_9",
+ "latin_1",
+ ],
+ "iso8859_15": [
+ "cp1252",
+ "cp1254",
+ "iso8859_10",
+ "iso8859_14",
+ "iso8859_16",
+ "iso8859_3",
+ "iso8859_9",
+ "latin_1",
+ ],
+ "iso8859_16": [
+ "iso8859_14",
+ "iso8859_15",
+ "iso8859_2",
+ "iso8859_3",
+ "iso8859_9",
+ "latin_1",
+ ],
+ "iso8859_2": ["cp1250", "iso8859_16", "iso8859_4"],
+ "iso8859_3": ["iso8859_14", "iso8859_15", "iso8859_16", "iso8859_9", "latin_1"],
+ "iso8859_4": ["iso8859_10", "iso8859_2", "iso8859_9", "latin_1"],
+ "iso8859_7": ["cp1253"],
+ "iso8859_9": [
+ "cp1252",
+ "cp1254",
+ "cp1258",
+ "iso8859_10",
+ "iso8859_14",
+ "iso8859_15",
+ "iso8859_16",
+ "iso8859_3",
+ "iso8859_4",
+ "latin_1",
+ ],
+ "kz1048": ["cp1251", "ptcp154"],
+ "latin_1": [
+ "cp1252",
+ "cp1254",
+ "cp1258",
+ "iso8859_10",
+ "iso8859_14",
+ "iso8859_15",
+ "iso8859_16",
+ "iso8859_3",
+ "iso8859_4",
+ "iso8859_9",
+ ],
+ "mac_iceland": ["mac_roman", "mac_turkish"],
+ "mac_roman": ["mac_iceland", "mac_turkish"],
+ "mac_turkish": ["mac_iceland", "mac_roman"],
+ "ptcp154": ["cp1251", "kz1048"],
+ "tis_620": ["iso8859_11"],
+}
+
+
+CHARDET_CORRESPONDENCE: dict[str, str] = {
+ "iso2022_kr": "ISO-2022-KR",
+ "iso2022_jp": "ISO-2022-JP",
+ "euc_kr": "EUC-KR",
+ "tis_620": "TIS-620",
+ "utf_32": "UTF-32",
+ "euc_jp": "EUC-JP",
+ "koi8_r": "KOI8-R",
+ "iso8859_1": "ISO-8859-1",
+ "iso8859_2": "ISO-8859-2",
+ "iso8859_5": "ISO-8859-5",
+ "iso8859_6": "ISO-8859-6",
+ "iso8859_7": "ISO-8859-7",
+ "iso8859_8": "ISO-8859-8",
+ "utf_16": "UTF-16",
+ "cp855": "IBM855",
+ "mac_cyrillic": "MacCyrillic",
+ "gb2312": "GB2312",
+ "gb18030": "GB18030",
+ "cp932": "CP932",
+ "cp866": "IBM866",
+ "utf_8": "utf-8",
+ "utf_8_sig": "UTF-8-SIG",
+ "shift_jis": "SHIFT_JIS",
+ "big5": "Big5",
+ "cp1250": "windows-1250",
+ "cp1251": "windows-1251",
+ "cp1252": "Windows-1252",
+ "cp1253": "windows-1253",
+ "cp1255": "windows-1255",
+ "cp1256": "windows-1256",
+ "cp1254": "Windows-1254",
+ "cp949": "CP949",
+}
+
+
+COMMON_SAFE_ASCII_CHARACTERS: set[str] = {
+ "<",
+ ">",
+ "=",
+ ":",
+ "/",
+ "&",
+ ";",
+ "{",
+ "}",
+ "[",
+ "]",
+ ",",
+ "|",
+ '"',
+ "-",
+ "(",
+ ")",
+}
+
+
+KO_NAMES: set[str] = {"johab", "cp949", "euc_kr"}
+ZH_NAMES: set[str] = {"big5", "cp950", "big5hkscs", "hz"}
+
+# Logging LEVEL below DEBUG
+TRACE: int = 5
+
+
+# Language label that contain the em dash "—"
+# character are to be considered alternative seq to origin
+FREQUENCIES: dict[str, list[str]] = {
+ "English": [
+ "e",
+ "a",
+ "t",
+ "i",
+ "o",
+ "n",
+ "s",
+ "r",
+ "h",
+ "l",
+ "d",
+ "c",
+ "u",
+ "m",
+ "f",
+ "p",
+ "g",
+ "w",
+ "y",
+ "b",
+ "v",
+ "k",
+ "x",
+ "j",
+ "z",
+ "q",
+ ],
+ "English—": [
+ "e",
+ "a",
+ "t",
+ "i",
+ "o",
+ "n",
+ "s",
+ "r",
+ "h",
+ "l",
+ "d",
+ "c",
+ "m",
+ "u",
+ "f",
+ "p",
+ "g",
+ "w",
+ "b",
+ "y",
+ "v",
+ "k",
+ "j",
+ "x",
+ "z",
+ "q",
+ ],
+ "German": [
+ "e",
+ "n",
+ "i",
+ "r",
+ "s",
+ "t",
+ "a",
+ "d",
+ "h",
+ "u",
+ "l",
+ "g",
+ "o",
+ "c",
+ "m",
+ "b",
+ "f",
+ "k",
+ "w",
+ "z",
+ "p",
+ "v",
+ "ü",
+ "ä",
+ "ö",
+ "j",
+ ],
+ "French": [
+ "e",
+ "a",
+ "s",
+ "n",
+ "i",
+ "t",
+ "r",
+ "l",
+ "u",
+ "o",
+ "d",
+ "c",
+ "p",
+ "m",
+ "é",
+ "v",
+ "g",
+ "f",
+ "b",
+ "h",
+ "q",
+ "à",
+ "x",
+ "è",
+ "y",
+ "j",
+ ],
+ "Dutch": [
+ "e",
+ "n",
+ "a",
+ "i",
+ "r",
+ "t",
+ "o",
+ "d",
+ "s",
+ "l",
+ "g",
+ "h",
+ "v",
+ "m",
+ "u",
+ "k",
+ "c",
+ "p",
+ "b",
+ "w",
+ "j",
+ "z",
+ "f",
+ "y",
+ "x",
+ "ë",
+ ],
+ "Italian": [
+ "e",
+ "i",
+ "a",
+ "o",
+ "n",
+ "l",
+ "t",
+ "r",
+ "s",
+ "c",
+ "d",
+ "u",
+ "p",
+ "m",
+ "g",
+ "v",
+ "f",
+ "b",
+ "z",
+ "h",
+ "q",
+ "è",
+ "à",
+ "k",
+ "y",
+ "ò",
+ ],
+ "Polish": [
+ "a",
+ "i",
+ "o",
+ "e",
+ "n",
+ "r",
+ "z",
+ "w",
+ "s",
+ "c",
+ "t",
+ "k",
+ "y",
+ "d",
+ "p",
+ "m",
+ "u",
+ "l",
+ "j",
+ "ł",
+ "g",
+ "b",
+ "h",
+ "ą",
+ "ę",
+ "ó",
+ ],
+ "Spanish": [
+ "e",
+ "a",
+ "o",
+ "n",
+ "s",
+ "r",
+ "i",
+ "l",
+ "d",
+ "t",
+ "c",
+ "u",
+ "m",
+ "p",
+ "b",
+ "g",
+ "v",
+ "f",
+ "y",
+ "ó",
+ "h",
+ "q",
+ "í",
+ "j",
+ "z",
+ "á",
+ ],
+ "Russian": [
+ "о",
+ "а",
+ "е",
+ "и",
+ "н",
+ "с",
+ "т",
+ "р",
+ "в",
+ "л",
+ "к",
+ "м",
+ "д",
+ "п",
+ "у",
+ "г",
+ "я",
+ "ы",
+ "з",
+ "б",
+ "й",
+ "ь",
+ "ч",
+ "х",
+ "ж",
+ "ц",
+ ],
+ # Jap-Kanji
+ "Japanese": [
+ "人",
+ "一",
+ "大",
+ "亅",
+ "丁",
+ "丨",
+ "竹",
+ "笑",
+ "口",
+ "日",
+ "今",
+ "二",
+ "彳",
+ "行",
+ "十",
+ "土",
+ "丶",
+ "寸",
+ "寺",
+ "時",
+ "乙",
+ "丿",
+ "乂",
+ "气",
+ "気",
+ "冂",
+ "巾",
+ "亠",
+ "市",
+ "目",
+ "儿",
+ "見",
+ "八",
+ "小",
+ "凵",
+ "県",
+ "月",
+ "彐",
+ "門",
+ "間",
+ "木",
+ "東",
+ "山",
+ "出",
+ "本",
+ "中",
+ "刀",
+ "分",
+ "耳",
+ "又",
+ "取",
+ "最",
+ "言",
+ "田",
+ "心",
+ "思",
+ "刂",
+ "前",
+ "京",
+ "尹",
+ "事",
+ "生",
+ "厶",
+ "云",
+ "会",
+ "未",
+ "来",
+ "白",
+ "冫",
+ "楽",
+ "灬",
+ "馬",
+ "尸",
+ "尺",
+ "駅",
+ "明",
+ "耂",
+ "者",
+ "了",
+ "阝",
+ "都",
+ "高",
+ "卜",
+ "占",
+ "厂",
+ "广",
+ "店",
+ "子",
+ "申",
+ "奄",
+ "亻",
+ "俺",
+ "上",
+ "方",
+ "冖",
+ "学",
+ "衣",
+ "艮",
+ "食",
+ "自",
+ ],
+ # Jap-Katakana
+ "Japanese—": [
+ "ー",
+ "ン",
+ "ス",
+ "・",
+ "ル",
+ "ト",
+ "リ",
+ "イ",
+ "ア",
+ "ラ",
+ "ッ",
+ "ク",
+ "ド",
+ "シ",
+ "レ",
+ "ジ",
+ "タ",
+ "フ",
+ "ロ",
+ "カ",
+ "テ",
+ "マ",
+ "ィ",
+ "グ",
+ "バ",
+ "ム",
+ "プ",
+ "オ",
+ "コ",
+ "デ",
+ "ニ",
+ "ウ",
+ "メ",
+ "サ",
+ "ビ",
+ "ナ",
+ "ブ",
+ "ャ",
+ "エ",
+ "ュ",
+ "チ",
+ "キ",
+ "ズ",
+ "ダ",
+ "パ",
+ "ミ",
+ "ェ",
+ "ョ",
+ "ハ",
+ "セ",
+ "ベ",
+ "ガ",
+ "モ",
+ "ツ",
+ "ネ",
+ "ボ",
+ "ソ",
+ "ノ",
+ "ァ",
+ "ヴ",
+ "ワ",
+ "ポ",
+ "ペ",
+ "ピ",
+ "ケ",
+ "ゴ",
+ "ギ",
+ "ザ",
+ "ホ",
+ "ゲ",
+ "ォ",
+ "ヤ",
+ "ヒ",
+ "ユ",
+ "ヨ",
+ "ヘ",
+ "ゼ",
+ "ヌ",
+ "ゥ",
+ "ゾ",
+ "ヶ",
+ "ヂ",
+ "ヲ",
+ "ヅ",
+ "ヵ",
+ "ヱ",
+ "ヰ",
+ "ヮ",
+ "ヽ",
+ "゠",
+ "ヾ",
+ "ヷ",
+ "ヿ",
+ "ヸ",
+ "ヹ",
+ "ヺ",
+ ],
+ # Jap-Hiragana
+ "Japanese——": [
+ "の",
+ "に",
+ "る",
+ "た",
+ "と",
+ "は",
+ "し",
+ "い",
+ "を",
+ "で",
+ "て",
+ "が",
+ "な",
+ "れ",
+ "か",
+ "ら",
+ "さ",
+ "っ",
+ "り",
+ "す",
+ "あ",
+ "も",
+ "こ",
+ "ま",
+ "う",
+ "く",
+ "よ",
+ "き",
+ "ん",
+ "め",
+ "お",
+ "け",
+ "そ",
+ "つ",
+ "だ",
+ "や",
+ "え",
+ "ど",
+ "わ",
+ "ち",
+ "み",
+ "せ",
+ "じ",
+ "ば",
+ "へ",
+ "び",
+ "ず",
+ "ろ",
+ "ほ",
+ "げ",
+ "む",
+ "べ",
+ "ひ",
+ "ょ",
+ "ゆ",
+ "ぶ",
+ "ご",
+ "ゃ",
+ "ね",
+ "ふ",
+ "ぐ",
+ "ぎ",
+ "ぼ",
+ "ゅ",
+ "づ",
+ "ざ",
+ "ぞ",
+ "ぬ",
+ "ぜ",
+ "ぱ",
+ "ぽ",
+ "ぷ",
+ "ぴ",
+ "ぃ",
+ "ぁ",
+ "ぇ",
+ "ぺ",
+ "ゞ",
+ "ぢ",
+ "ぉ",
+ "ぅ",
+ "ゐ",
+ "ゝ",
+ "ゑ",
+ "゛",
+ "゜",
+ "ゎ",
+ "ゔ",
+ "゚",
+ "ゟ",
+ "゙",
+ "ゕ",
+ "ゖ",
+ ],
+ "Portuguese": [
+ "a",
+ "e",
+ "o",
+ "s",
+ "i",
+ "r",
+ "d",
+ "n",
+ "t",
+ "m",
+ "u",
+ "c",
+ "l",
+ "p",
+ "g",
+ "v",
+ "b",
+ "f",
+ "h",
+ "ã",
+ "q",
+ "é",
+ "ç",
+ "á",
+ "z",
+ "í",
+ ],
+ "Swedish": [
+ "e",
+ "a",
+ "n",
+ "r",
+ "t",
+ "s",
+ "i",
+ "l",
+ "d",
+ "o",
+ "m",
+ "k",
+ "g",
+ "v",
+ "h",
+ "f",
+ "u",
+ "p",
+ "ä",
+ "c",
+ "b",
+ "ö",
+ "å",
+ "y",
+ "j",
+ "x",
+ ],
+ "Chinese": [
+ "的",
+ "一",
+ "是",
+ "不",
+ "了",
+ "在",
+ "人",
+ "有",
+ "我",
+ "他",
+ "这",
+ "个",
+ "们",
+ "中",
+ "来",
+ "上",
+ "大",
+ "为",
+ "和",
+ "国",
+ "地",
+ "到",
+ "以",
+ "说",
+ "时",
+ "要",
+ "就",
+ "出",
+ "会",
+ "可",
+ "也",
+ "你",
+ "对",
+ "生",
+ "能",
+ "而",
+ "子",
+ "那",
+ "得",
+ "于",
+ "着",
+ "下",
+ "自",
+ "之",
+ "年",
+ "过",
+ "发",
+ "后",
+ "作",
+ "里",
+ "用",
+ "道",
+ "行",
+ "所",
+ "然",
+ "家",
+ "种",
+ "事",
+ "成",
+ "方",
+ "多",
+ "经",
+ "么",
+ "去",
+ "法",
+ "学",
+ "如",
+ "都",
+ "同",
+ "现",
+ "当",
+ "没",
+ "动",
+ "面",
+ "起",
+ "看",
+ "定",
+ "天",
+ "分",
+ "还",
+ "进",
+ "好",
+ "小",
+ "部",
+ "其",
+ "些",
+ "主",
+ "样",
+ "理",
+ "心",
+ "她",
+ "本",
+ "前",
+ "开",
+ "但",
+ "因",
+ "只",
+ "从",
+ "想",
+ "实",
+ ],
+ "Ukrainian": [
+ "о",
+ "а",
+ "н",
+ "і",
+ "и",
+ "р",
+ "в",
+ "т",
+ "е",
+ "с",
+ "к",
+ "л",
+ "у",
+ "д",
+ "м",
+ "п",
+ "з",
+ "я",
+ "ь",
+ "б",
+ "г",
+ "й",
+ "ч",
+ "х",
+ "ц",
+ "ї",
+ ],
+ "Norwegian": [
+ "e",
+ "r",
+ "n",
+ "t",
+ "a",
+ "s",
+ "i",
+ "o",
+ "l",
+ "d",
+ "g",
+ "k",
+ "m",
+ "v",
+ "f",
+ "p",
+ "u",
+ "b",
+ "h",
+ "å",
+ "y",
+ "j",
+ "ø",
+ "c",
+ "æ",
+ "w",
+ ],
+ "Finnish": [
+ "a",
+ "i",
+ "n",
+ "t",
+ "e",
+ "s",
+ "l",
+ "o",
+ "u",
+ "k",
+ "ä",
+ "m",
+ "r",
+ "v",
+ "j",
+ "h",
+ "p",
+ "y",
+ "d",
+ "ö",
+ "g",
+ "c",
+ "b",
+ "f",
+ "w",
+ "z",
+ ],
+ "Vietnamese": [
+ "n",
+ "h",
+ "t",
+ "i",
+ "c",
+ "g",
+ "a",
+ "o",
+ "u",
+ "m",
+ "l",
+ "r",
+ "à",
+ "đ",
+ "s",
+ "e",
+ "v",
+ "p",
+ "b",
+ "y",
+ "ư",
+ "d",
+ "á",
+ "k",
+ "ộ",
+ "ế",
+ ],
+ "Czech": [
+ "o",
+ "e",
+ "a",
+ "n",
+ "t",
+ "s",
+ "i",
+ "l",
+ "v",
+ "r",
+ "k",
+ "d",
+ "u",
+ "m",
+ "p",
+ "í",
+ "c",
+ "h",
+ "z",
+ "á",
+ "y",
+ "j",
+ "b",
+ "ě",
+ "é",
+ "ř",
+ ],
+ "Hungarian": [
+ "e",
+ "a",
+ "t",
+ "l",
+ "s",
+ "n",
+ "k",
+ "r",
+ "i",
+ "o",
+ "z",
+ "á",
+ "é",
+ "g",
+ "m",
+ "b",
+ "y",
+ "v",
+ "d",
+ "h",
+ "u",
+ "p",
+ "j",
+ "ö",
+ "f",
+ "c",
+ ],
+ "Korean": [
+ "이",
+ "다",
+ "에",
+ "의",
+ "는",
+ "로",
+ "하",
+ "을",
+ "가",
+ "고",
+ "지",
+ "서",
+ "한",
+ "은",
+ "기",
+ "으",
+ "년",
+ "대",
+ "사",
+ "시",
+ "를",
+ "리",
+ "도",
+ "인",
+ "스",
+ "일",
+ ],
+ "Indonesian": [
+ "a",
+ "n",
+ "e",
+ "i",
+ "r",
+ "t",
+ "u",
+ "s",
+ "d",
+ "k",
+ "m",
+ "l",
+ "g",
+ "p",
+ "b",
+ "o",
+ "h",
+ "y",
+ "j",
+ "c",
+ "w",
+ "f",
+ "v",
+ "z",
+ "x",
+ "q",
+ ],
+ "Turkish": [
+ "a",
+ "e",
+ "i",
+ "n",
+ "r",
+ "l",
+ "ı",
+ "k",
+ "d",
+ "t",
+ "s",
+ "m",
+ "y",
+ "u",
+ "o",
+ "b",
+ "ü",
+ "ş",
+ "v",
+ "g",
+ "z",
+ "h",
+ "c",
+ "p",
+ "ç",
+ "ğ",
+ ],
+ "Romanian": [
+ "e",
+ "i",
+ "a",
+ "r",
+ "n",
+ "t",
+ "u",
+ "l",
+ "o",
+ "c",
+ "s",
+ "d",
+ "p",
+ "m",
+ "ă",
+ "f",
+ "v",
+ "î",
+ "g",
+ "b",
+ "ș",
+ "ț",
+ "z",
+ "h",
+ "â",
+ "j",
+ ],
+ "Farsi": [
+ "ا",
+ "ی",
+ "ر",
+ "د",
+ "ن",
+ "ه",
+ "و",
+ "م",
+ "ت",
+ "ب",
+ "س",
+ "ل",
+ "ک",
+ "ش",
+ "ز",
+ "ف",
+ "گ",
+ "ع",
+ "خ",
+ "ق",
+ "ج",
+ "آ",
+ "پ",
+ "ح",
+ "ط",
+ "ص",
+ ],
+ "Arabic": [
+ "ا",
+ "ل",
+ "ي",
+ "م",
+ "و",
+ "ن",
+ "ر",
+ "ت",
+ "ب",
+ "ة",
+ "ع",
+ "د",
+ "س",
+ "ف",
+ "ه",
+ "ك",
+ "ق",
+ "أ",
+ "ح",
+ "ج",
+ "ش",
+ "ط",
+ "ص",
+ "ى",
+ "خ",
+ "إ",
+ ],
+ "Danish": [
+ "e",
+ "r",
+ "n",
+ "t",
+ "a",
+ "i",
+ "s",
+ "d",
+ "l",
+ "o",
+ "g",
+ "m",
+ "k",
+ "f",
+ "v",
+ "u",
+ "b",
+ "h",
+ "p",
+ "å",
+ "y",
+ "ø",
+ "æ",
+ "c",
+ "j",
+ "w",
+ ],
+ "Serbian": [
+ "а",
+ "и",
+ "о",
+ "е",
+ "н",
+ "р",
+ "с",
+ "у",
+ "т",
+ "к",
+ "ј",
+ "в",
+ "д",
+ "м",
+ "п",
+ "л",
+ "г",
+ "з",
+ "б",
+ "a",
+ "i",
+ "e",
+ "o",
+ "n",
+ "ц",
+ "ш",
+ ],
+ "Lithuanian": [
+ "i",
+ "a",
+ "s",
+ "o",
+ "r",
+ "e",
+ "t",
+ "n",
+ "u",
+ "k",
+ "m",
+ "l",
+ "p",
+ "v",
+ "d",
+ "j",
+ "g",
+ "ė",
+ "b",
+ "y",
+ "ų",
+ "š",
+ "ž",
+ "c",
+ "ą",
+ "į",
+ ],
+ "Slovene": [
+ "e",
+ "a",
+ "i",
+ "o",
+ "n",
+ "r",
+ "s",
+ "l",
+ "t",
+ "j",
+ "v",
+ "k",
+ "d",
+ "p",
+ "m",
+ "u",
+ "z",
+ "b",
+ "g",
+ "h",
+ "č",
+ "c",
+ "š",
+ "ž",
+ "f",
+ "y",
+ ],
+ "Slovak": [
+ "o",
+ "a",
+ "e",
+ "n",
+ "i",
+ "r",
+ "v",
+ "t",
+ "s",
+ "l",
+ "k",
+ "d",
+ "m",
+ "p",
+ "u",
+ "c",
+ "h",
+ "j",
+ "b",
+ "z",
+ "á",
+ "y",
+ "ý",
+ "í",
+ "č",
+ "é",
+ ],
+ "Hebrew": [
+ "י",
+ "ו",
+ "ה",
+ "ל",
+ "ר",
+ "ב",
+ "ת",
+ "מ",
+ "א",
+ "ש",
+ "נ",
+ "ע",
+ "ם",
+ "ד",
+ "ק",
+ "ח",
+ "פ",
+ "ס",
+ "כ",
+ "ג",
+ "ט",
+ "צ",
+ "ן",
+ "ז",
+ "ך",
+ ],
+ "Bulgarian": [
+ "а",
+ "и",
+ "о",
+ "е",
+ "н",
+ "т",
+ "р",
+ "с",
+ "в",
+ "л",
+ "к",
+ "д",
+ "п",
+ "м",
+ "з",
+ "г",
+ "я",
+ "ъ",
+ "у",
+ "б",
+ "ч",
+ "ц",
+ "й",
+ "ж",
+ "щ",
+ "х",
+ ],
+ "Croatian": [
+ "a",
+ "i",
+ "o",
+ "e",
+ "n",
+ "r",
+ "j",
+ "s",
+ "t",
+ "u",
+ "k",
+ "l",
+ "v",
+ "d",
+ "m",
+ "p",
+ "g",
+ "z",
+ "b",
+ "c",
+ "č",
+ "h",
+ "š",
+ "ž",
+ "ć",
+ "f",
+ ],
+ "Hindi": [
+ "क",
+ "र",
+ "स",
+ "न",
+ "त",
+ "म",
+ "ह",
+ "प",
+ "य",
+ "ल",
+ "व",
+ "ज",
+ "द",
+ "ग",
+ "ब",
+ "श",
+ "ट",
+ "अ",
+ "ए",
+ "थ",
+ "भ",
+ "ड",
+ "च",
+ "ध",
+ "ष",
+ "इ",
+ ],
+ "Estonian": [
+ "a",
+ "i",
+ "e",
+ "s",
+ "t",
+ "l",
+ "u",
+ "n",
+ "o",
+ "k",
+ "r",
+ "d",
+ "m",
+ "v",
+ "g",
+ "p",
+ "j",
+ "h",
+ "ä",
+ "b",
+ "õ",
+ "ü",
+ "f",
+ "c",
+ "ö",
+ "y",
+ ],
+ "Thai": [
+ "า",
+ "น",
+ "ร",
+ "อ",
+ "ก",
+ "เ",
+ "ง",
+ "ม",
+ "ย",
+ "ล",
+ "ว",
+ "ด",
+ "ท",
+ "ส",
+ "ต",
+ "ะ",
+ "ป",
+ "บ",
+ "ค",
+ "ห",
+ "แ",
+ "จ",
+ "พ",
+ "ช",
+ "ข",
+ "ใ",
+ ],
+ "Greek": [
+ "α",
+ "τ",
+ "ο",
+ "ι",
+ "ε",
+ "ν",
+ "ρ",
+ "σ",
+ "κ",
+ "η",
+ "π",
+ "ς",
+ "υ",
+ "μ",
+ "λ",
+ "ί",
+ "ό",
+ "ά",
+ "γ",
+ "έ",
+ "δ",
+ "ή",
+ "ω",
+ "χ",
+ "θ",
+ "ύ",
+ ],
+ "Tamil": [
+ "க",
+ "த",
+ "ப",
+ "ட",
+ "ர",
+ "ம",
+ "ல",
+ "ன",
+ "வ",
+ "ற",
+ "ய",
+ "ள",
+ "ச",
+ "ந",
+ "இ",
+ "ண",
+ "அ",
+ "ஆ",
+ "ழ",
+ "ங",
+ "எ",
+ "உ",
+ "ஒ",
+ "ஸ",
+ ],
+ "Kazakh": [
+ "а",
+ "ы",
+ "е",
+ "н",
+ "т",
+ "р",
+ "л",
+ "і",
+ "д",
+ "с",
+ "м",
+ "қ",
+ "к",
+ "о",
+ "б",
+ "и",
+ "у",
+ "ғ",
+ "ж",
+ "ң",
+ "з",
+ "ш",
+ "й",
+ "п",
+ "г",
+ "ө",
+ ],
+}
+
+LANGUAGE_SUPPORTED_COUNT: int = len(FREQUENCIES)