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constant.py
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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, compile as re_compile from typing import Dict, List, Set, Union from .assets import FREQUENCIES # Contain for each eligible encoding a list of/item bytes SIG/BOM ENCODING_MARKS: Dict[str, Union[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 = 1112064 UNICODE_RANGES_COMBINED: Dict[str, range] = { "Control character": range(31 + 1), "Basic Latin": range(32, 127 + 1), "Latin-1 Supplement": range(128, 255 + 1), "Latin Extended-A": range(256, 383 + 1), "Latin Extended-B": range(384, 591 + 1), "IPA Extensions": range(592, 687 + 1), "Spacing Modifier Letters": range(688, 767 + 1), "Combining Diacritical Marks": range(768, 879 + 1), "Greek and Coptic": range(880, 1023 + 1), "Cyrillic": range(1024, 1279 + 1), "Cyrillic Supplement": range(1280, 1327 + 1), "Armenian": range(1328, 1423 + 1), "Hebrew": range(1424, 1535 + 1), "Arabic": range(1536, 1791 + 1), "Syriac": range(1792, 1871 + 1), "Arabic Supplement": range(1872, 1919 + 1), "Thaana": range(1920, 1983 + 1), "NKo": range(1984, 2047 + 1), "Samaritan": range(2048, 2111 + 1), "Mandaic": range(2112, 2143 + 1), "Syriac Supplement": range(2144, 2159 + 1), "Arabic Extended-A": range(2208, 2303 + 1), "Devanagari": range(2304, 2431 + 1), "Bengali": range(2432, 2559 + 1), "Gurmukhi": range(2560, 2687 + 1), "Gujarati": range(2688, 2815 + 1), "Oriya": range(2816, 2943 + 1), "Tamil": range(2944, 3071 + 1), "Telugu": range(3072, 3199 + 1), "Kannada": range(3200, 3327 + 1), "Malayalam": range(3328, 3455 + 1), "Sinhala": range(3456, 3583 + 1), "Thai": range(3584, 3711 + 1), "Lao": range(3712, 3839 + 1), "Tibetan": range(3840, 4095 + 1), "Myanmar": range(4096, 4255 + 1), "Georgian": range(4256, 4351 + 1), "Hangul Jamo": range(4352, 4607 + 1), "Ethiopic": range(4608, 4991 + 1), "Ethiopic Supplement": range(4992, 5023 + 1), "Cherokee": range(5024, 5119 + 1), "Unified Canadian Aboriginal Syllabics": range(5120, 5759 + 1), "Ogham": range(5760, 5791 + 1), "Runic": range(5792, 5887 + 1), "Tagalog": range(5888, 5919 + 1), "Hanunoo": range(5920, 5951 + 1), "Buhid": range(5952, 5983 + 1), "Tagbanwa": range(5984, 6015 + 1), "Khmer": range(6016, 6143 + 1), "Mongolian": range(6144, 6319 + 1), "Unified Canadian Aboriginal Syllabics Extended": range(6320, 6399 + 1), "Limbu": range(6400, 6479 + 1), "Tai Le": range(6480, 6527 + 1), "New Tai Lue": range(6528, 6623 + 1), "Khmer Symbols": range(6624, 6655 + 1), "Buginese": range(6656, 6687 + 1), "Tai Tham": range(6688, 6831 + 1), "Combining Diacritical Marks Extended": range(6832, 6911 + 1), "Balinese": range(6912, 7039 + 1), "Sundanese": range(7040, 7103 + 1), "Batak": range(7104, 7167 + 1), "Lepcha": range(7168, 7247 + 1), "Ol Chiki": range(7248, 7295 + 1), "Cyrillic Extended C": range(7296, 7311 + 1), "Sundanese Supplement": range(7360, 7375 + 1), "Vedic Extensions": range(7376, 7423 + 1), "Phonetic Extensions": range(7424, 7551 + 1), "Phonetic Extensions Supplement": range(7552, 7615 + 1), "Combining Diacritical Marks Supplement": range(7616, 7679 + 1), "Latin Extended Additional": range(7680, 7935 + 1), "Greek Extended": range(7936, 8191 + 1), "General Punctuation": range(8192, 8303 + 1), "Superscripts and Subscripts": range(8304, 8351 + 1), "Currency Symbols": range(8352, 8399 + 1), "Combining Diacritical Marks for Symbols": range(8400, 8447 + 1), "Letterlike Symbols": range(8448, 8527 + 1), "Number Forms": range(8528, 8591 + 1), "Arrows": range(8592, 8703 + 1), "Mathematical Operators": range(8704, 8959 + 1), "Miscellaneous Technical": range(8960, 9215 + 1), "Control Pictures": range(9216, 9279 + 1), "Optical Character Recognition": range(9280, 9311 + 1), "Enclosed Alphanumerics": range(9312, 9471 + 1), "Box Drawing": range(9472, 9599 + 1), "Block Elements": range(9600, 9631 + 1), "Geometric Shapes": range(9632, 9727 + 1), "Miscellaneous Symbols": range(9728, 9983 + 1), "Dingbats": range(9984, 10175 + 1), "Miscellaneous Mathematical Symbols-A": range(10176, 10223 + 1), "Supplemental Arrows-A": range(10224, 10239 + 1), "Braille Patterns": range(10240, 10495 + 1), "Supplemental Arrows-B": range(10496, 10623 + 1), "Miscellaneous Mathematical Symbols-B": range(10624, 10751 + 1), "Supplemental Mathematical Operators": range(10752, 11007 + 1), "Miscellaneous Symbols and Arrows": range(11008, 11263 + 1), "Glagolitic": range(11264, 11359 + 1), "Latin Extended-C": range(11360, 11391 + 1), "Coptic": range(11392, 11519 + 1), "Georgian Supplement": range(11520, 11567 + 1), "Tifinagh": range(11568, 11647 + 1), "Ethiopic Extended": range(11648, 11743 + 1), "Cyrillic Extended-A": range(11744, 11775 + 1), "Supplemental Punctuation": range(11776, 11903 + 1), "CJK Radicals Supplement": range(11904, 12031 + 1), "Kangxi Radicals": range(12032, 12255 + 1), "Ideographic Description Characters": range(12272, 12287 + 1), "CJK Symbols and Punctuation": range(12288, 12351 + 1), "Hiragana": range(12352, 12447 + 1), "Katakana": range(12448, 12543 + 1), "Bopomofo": range(12544, 12591 + 1), "Hangul Compatibility Jamo": range(12592, 12687 + 1), "Kanbun": range(12688, 12703 + 1), "Bopomofo Extended": range(12704, 12735 + 1), "CJK Strokes": range(12736, 12783 + 1), "Katakana Phonetic Extensions": range(12784, 12799 + 1), "Enclosed CJK Letters and Months": range(12800, 13055 + 1), "CJK Compatibility": range(13056, 13311 + 1), "CJK Unified Ideographs Extension A": range(13312, 19903 + 1), "Yijing Hexagram Symbols": range(19904, 19967 + 1), "CJK Unified Ideographs": range(19968, 40959 + 1), "Yi Syllables": range(40960, 42127 + 1), "Yi Radicals": range(42128, 42191 + 1), "Lisu": range(42192, 42239 + 1), "Vai": range(42240, 42559 + 1), "Cyrillic Extended-B": range(42560, 42655 + 1), "Bamum": range(42656, 42751 + 1), "Modifier Tone Letters": range(42752, 42783 + 1), "Latin Extended-D": range(42784, 43007 + 1), "Syloti Nagri": range(43008, 43055 + 1), "Common Indic Number Forms": range(43056, 43071 + 1), "Phags-pa": range(43072, 43135 + 1), "Saurashtra": range(43136, 43231 + 1), "Devanagari Extended": range(43232, 43263 + 1), "Kayah Li": range(43264, 43311 + 1), "Rejang": range(43312, 43359 + 1), "Hangul Jamo Extended-A": range(43360, 43391 + 1), "Javanese": range(43392, 43487 + 1), "Myanmar Extended-B": range(43488, 43519 + 1), "Cham": range(43520, 43615 + 1), "Myanmar Extended-A": range(43616, 43647 + 1), "Tai Viet": range(43648, 43743 + 1), "Meetei Mayek Extensions": range(43744, 43775 + 1), "Ethiopic Extended-A": range(43776, 43823 + 1), "Latin Extended-E": range(43824, 43887 + 1), "Cherokee Supplement": range(43888, 43967 + 1), "Meetei Mayek": range(43968, 44031 + 1), "Hangul Syllables": range(44032, 55215 + 1), "Hangul Jamo Extended-B": range(55216, 55295 + 1), "High Surrogates": range(55296, 56191 + 1), "High Private Use Surrogates": range(56192, 56319 + 1), "Low Surrogates": range(56320, 57343 + 1), "Private Use Area": range(57344, 63743 + 1), "CJK Compatibility Ideographs": range(63744, 64255 + 1), "Alphabetic Presentation Forms": range(64256, 64335 + 1), "Arabic Presentation Forms-A": range(64336, 65023 + 1), "Variation Selectors": range(65024, 65039 + 1), "Vertical Forms": range(65040, 65055 + 1), "Combining Half Marks": range(65056, 65071 + 1), "CJK Compatibility Forms": range(65072, 65103 + 1), "Small Form Variants": range(65104, 65135 + 1), "Arabic Presentation Forms-B": range(65136, 65279 + 1), "Halfwidth and Fullwidth Forms": range(65280, 65519 + 1), "Specials": range(65520, 65535 + 1), "Linear B Syllabary": range(65536, 65663 + 1), "Linear B Ideograms": range(65664, 65791 + 1), "Aegean Numbers": range(65792, 65855 + 1), "Ancient Greek Numbers": range(65856, 65935 + 1), "Ancient Symbols": range(65936, 65999 + 1), "Phaistos Disc": range(66000, 66047 + 1), "Lycian": range(66176, 66207 + 1), "Carian": range(66208, 66271 + 1), "Coptic Epact Numbers": range(66272, 66303 + 1), "Old Italic": range(66304, 66351 + 1), "Gothic": range(66352, 66383 + 1), "Old Permic": range(66384, 66431 + 1), "Ugaritic": range(66432, 66463 + 1), "Old Persian": range(66464, 66527 + 1), "Deseret": range(66560, 66639 + 1), "Shavian": range(66640, 66687 + 1), "Osmanya": range(66688, 66735 + 1), "Osage": range(66736, 66815 + 1), "Elbasan": range(66816, 66863 + 1), "Caucasian Albanian": range(66864, 66927 + 1), "Linear A": range(67072, 67455 + 1), "Cypriot Syllabary": range(67584, 67647 + 1), "Imperial Aramaic": range(67648, 67679 + 1), "Palmyrene": range(67680, 67711 + 1), "Nabataean": range(67712, 67759 + 1), "Hatran": range(67808, 67839 + 1), "Phoenician": range(67840, 67871 + 1), "Lydian": range(67872, 67903 + 1), "Meroitic Hieroglyphs": range(67968, 67999 + 1), "Meroitic Cursive": range(68000, 68095 + 1), "Kharoshthi": range(68096, 68191 + 1), "Old South Arabian": range(68192, 68223 + 1), "Old North Arabian": range(68224, 68255 + 1), "Manichaean": range(68288, 68351 + 1), "Avestan": range(68352, 68415 + 1), "Inscriptional Parthian": range(68416, 68447 + 1), "Inscriptional Pahlavi": range(68448, 68479 + 1), "Psalter Pahlavi": range(68480, 68527 + 1), "Old Turkic": range(68608, 68687 + 1), "Old Hungarian": range(68736, 68863 + 1), "Rumi Numeral Symbols": range(69216, 69247 + 1), "Brahmi": range(69632, 69759 + 1), "Kaithi": range(69760, 69839 + 1), "Sora Sompeng": range(69840, 69887 + 1), "Chakma": range(69888, 69967 + 1), "Mahajani": range(69968, 70015 + 1), "Sharada": range(70016, 70111 + 1), "Sinhala Archaic Numbers": range(70112, 70143 + 1), "Khojki": range(70144, 70223 + 1), "Multani": range(70272, 70319 + 1), "Khudawadi": range(70320, 70399 + 1), "Grantha": range(70400, 70527 + 1), "Newa": range(70656, 70783 + 1), "Tirhuta": range(70784, 70879 + 1), "Siddham": range(71040, 71167 + 1), "Modi": range(71168, 71263 + 1), "Mongolian Supplement": range(71264, 71295 + 1), "Takri": range(71296, 71375 + 1), "Ahom": range(71424, 71487 + 1), "Warang Citi": range(71840, 71935 + 1), "Zanabazar Square": range(72192, 72271 + 1), "Soyombo": range(72272, 72367 + 1), "Pau Cin Hau": range(72384, 72447 + 1), "Bhaiksuki": range(72704, 72815 + 1), "Marchen": range(72816, 72895 + 1), "Masaram Gondi": range(72960, 73055 + 1), "Cuneiform": range(73728, 74751 + 1), "Cuneiform Numbers and Punctuation": range(74752, 74879 + 1), "Early Dynastic Cuneiform": range(74880, 75087 + 1), "Egyptian Hieroglyphs": range(77824, 78895 + 1), "Anatolian Hieroglyphs": range(82944, 83583 + 1), "Bamum Supplement": range(92160, 92735 + 1), "Mro": range(92736, 92783 + 1), "Bassa Vah": range(92880, 92927 + 1), "Pahawh Hmong": range(92928, 93071 + 1), "Miao": range(93952, 94111 + 1), "Ideographic Symbols and Punctuation": range(94176, 94207 + 1), "Tangut": range(94208, 100351 + 1), "Tangut Components": range(100352, 101119 + 1), "Kana Supplement": range(110592, 110847 + 1), "Kana Extended-A": range(110848, 110895 + 1), "Nushu": range(110960, 111359 + 1), "Duployan": range(113664, 113823 + 1), "Shorthand Format Controls": range(113824, 113839 + 1), "Byzantine Musical Symbols": range(118784, 119039 + 1), "Musical Symbols": range(119040, 119295 + 1), "Ancient Greek Musical Notation": range(119296, 119375 + 1), "Tai Xuan Jing Symbols": range(119552, 119647 + 1), "Counting Rod Numerals": range(119648, 119679 + 1), "Mathematical Alphanumeric Symbols": range(119808, 120831 + 1), "Sutton SignWriting": range(120832, 121519 + 1), "Glagolitic Supplement": range(122880, 122927 + 1), "Mende Kikakui": range(124928, 125151 + 1), "Adlam": range(125184, 125279 + 1), "Arabic Mathematical Alphabetic Symbols": range(126464, 126719 + 1), "Mahjong Tiles": range(126976, 127023 + 1), "Domino Tiles": range(127024, 127135 + 1), "Playing Cards": range(127136, 127231 + 1), "Enclosed Alphanumeric Supplement": range(127232, 127487 + 1), "Enclosed Ideographic Supplement": range(127488, 127743 + 1), "Miscellaneous Symbols and Pictographs": range(127744, 128511 + 1), "Emoticons range(Emoji)": range(128512, 128591 + 1), "Ornamental Dingbats": range(128592, 128639 + 1), "Transport and Map Symbols": range(128640, 128767 + 1), "Alchemical Symbols": range(128768, 128895 + 1), "Geometric Shapes Extended": range(128896, 129023 + 1), "Supplemental Arrows-C": range(129024, 129279 + 1), "Supplemental Symbols and Pictographs": range(129280, 129535 + 1), "CJK Unified Ideographs Extension B": range(131072, 173791 + 1), "CJK Unified Ideographs Extension C": range(173824, 177983 + 1), "CJK Unified Ideographs Extension D": range(177984, 178207 + 1), "CJK Unified Ideographs Extension E": range(178208, 183983 + 1), "CJK Unified Ideographs Extension F": range(183984, 191471 + 1), "CJK Compatibility Ideographs Supplement": range(194560, 195103 + 1), "Tags": range(917504, 917631 + 1), "Variation Selectors Supplement": range(917760, 917999 + 1), } 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_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_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"} NOT_PRINTABLE_PATTERN = re_compile(r"[0-9\W\n\r\t]+") LANGUAGE_SUPPORTED_COUNT: int = len(FREQUENCIES) # Logging LEVEL bellow DEBUG TRACE: int = 5
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