PyQRCode Tables¶
This module lists out all of the tables needed to create a QR code. If you are viewing this in the HTML documentation, I recommend reading the actual file instead. The formating for the tables is much more readable.
-
pyqrcode.tables.ascii_codes= {'G': 16, 'Y': 34, 'K': 20, 'S': 28, 'X': 33, ':': 44, 'B': 11, 'N': 23, ' ': 36, '-': 41, '$': 37, 'O': 24, 'W': 32, 'Q': 26, '6': 6, 'D': 13, 'L': 21, '8': 8, 'F': 15, 'H': 17, '4': 4, 'M': 22, '5': 5, '9': 9, 'E': 14, 'Z': 35, '3': 3, 'U': 30, 'I': 18, '/': 43, '1': 1, '2': 2, '%': 38, 'V': 31, 'P': 25, 'T': 29, 'C': 12, 'J': 19, '0': 0, 'A': 10, 'R': 27, '.': 42, '7': 7, '+': 40, '*': 39}¶ QR Codes uses a unique ASCII-like table for the ‘alphanumeric’ mode. This is a dictionary representing that unique table, where the keys are the possible characters in the data and the values are the character’s numeric representation.
-
pyqrcode.tables.data_capacity= {1: {'L': {0: 152, 1: 41, 2: 25, 4: 17, 8: 10}, 'M': {0: 128, 1: 34, 2: 20, 4: 14, 8: 8}, 'Q': {0: 104, 1: 27, 2: 16, 4: 11, 8: 7}, 'H': {0: 72, 1: 17, 2: 10, 4: 7, 8: 4}}, 2: {'L': {0: 272, 1: 77, 2: 47, 4: 32, 8: 20}, 'M': {0: 224, 1: 63, 2: 38, 4: 26, 8: 16}, 'Q': {0: 176, 1: 48, 2: 29, 4: 20, 8: 12}, 'H': {0: 128, 1: 34, 2: 20, 4: 14, 8: 8}}, 3: {'L': {0: 440, 1: 127, 2: 77, 4: 53, 8: 32}, 'M': {0: 352, 1: 101, 2: 61, 4: 42, 8: 26}, 'Q': {0: 272, 1: 77, 2: 47, 4: 32, 8: 20}, 'H': {0: 208, 1: 58, 2: 35, 4: 24, 8: 15}}, 4: {'L': {0: 640, 1: 187, 2: 114, 4: 78, 8: 48}, 'M': {0: 512, 1: 149, 2: 90, 4: 62, 8: 38}, 'Q': {0: 384, 1: 111, 2: 67, 4: 46, 8: 28}, 'H': {0: 288, 1: 82, 2: 50, 4: 34, 8: 21}}, 5: {'L': {0: 864, 1: 255, 2: 154, 4: 106, 8: 65}, 'M': {0: 688, 1: 202, 2: 122, 4: 84, 8: 52}, 'Q': {0: 496, 1: 144, 2: 87, 4: 60, 8: 37}, 'H': {0: 368, 1: 106, 2: 64, 4: 44, 8: 27}}, 6: {'L': {0: 1088, 1: 322, 2: 195, 4: 134, 8: 82}, 'M': {0: 864, 1: 255, 2: 154, 4: 106, 8: 65}, 'Q': {0: 608, 1: 178, 2: 108, 4: 74, 8: 45}, 'H': {0: 480, 1: 139, 2: 84, 4: 58, 8: 36}}, 7: {'L': {0: 1248, 1: 370, 2: 224, 4: 154, 8: 95}, 'M': {0: 992, 1: 293, 2: 178, 4: 122, 8: 75}, 'Q': {0: 704, 1: 207, 2: 125, 4: 86, 8: 53}, 'H': {0: 528, 1: 154, 2: 93, 4: 64, 8: 39}}, 8: {'L': {0: 1552, 1: 461, 2: 279, 4: 192, 8: 118}, 'M': {0: 1232, 1: 365, 2: 221, 4: 152, 8: 93}, 'Q': {0: 880, 1: 259, 2: 157, 4: 108, 8: 66}, 'H': {0: 688, 1: 202, 2: 122, 4: 84, 8: 52}}, 9: {'L': {0: 1856, 1: 552, 2: 335, 4: 230, 8: 141}, 'M': {0: 1456, 1: 432, 2: 262, 4: 180, 8: 111}, 'Q': {0: 1056, 1: 312, 2: 189, 4: 130, 8: 80}, 'H': {0: 800, 1: 235, 2: 143, 4: 98, 8: 60}}, 10: {'L': {0: 2192, 1: 652, 2: 395, 4: 271, 8: 167}, 'M': {0: 1728, 1: 513, 2: 311, 4: 213, 8: 131}, 'Q': {0: 1232, 1: 364, 2: 221, 4: 151, 8: 93}, 'H': {0: 976, 1: 288, 2: 174, 4: 119, 8: 74}}, 11: {'L': {0: 2592, 1: 772, 2: 468, 4: 321, 8: 198}, 'M': {0: 2032, 1: 604, 2: 366, 4: 251, 8: 155}, 'Q': {0: 1440, 1: 427, 2: 259, 4: 177, 8: 109}, 'H': {0: 1120, 1: 331, 2: 200, 4: 137, 8: 85}}, 12: {'L': {0: 2960, 1: 883, 2: 535, 4: 367, 8: 226}, 'M': {0: 2320, 1: 691, 2: 419, 4: 287, 8: 177}, 'Q': {0: 1648, 1: 489, 2: 296, 4: 203, 8: 125}, 'H': {0: 1264, 1: 374, 2: 227, 4: 155, 8: 96}}, 13: {'L': {0: 3424, 1: 1022, 2: 619, 4: 425, 8: 262}, 'M': {0: 2672, 1: 796, 2: 483, 4: 331, 8: 204}, 'Q': {0: 1952, 1: 580, 2: 352, 4: 241, 8: 149}, 'H': {0: 1440, 1: 427, 2: 259, 4: 177, 8: 109}}, 14: {'L': {0: 3688, 1: 1101, 2: 667, 4: 458, 8: 282}, 'M': {0: 2920, 1: 871, 2: 528, 4: 362, 8: 223}, 'Q': {0: 2088, 1: 621, 2: 376, 4: 258, 8: 159}, 'H': {0: 1576, 1: 468, 2: 283, 4: 194, 8: 120}}, 15: {'L': {0: 4184, 1: 1250, 2: 758, 4: 520, 8: 320}, 'M': {0: 3320, 1: 991, 2: 600, 4: 412, 8: 254}, 'Q': {0: 2360, 1: 703, 2: 426, 4: 292, 8: 180}, 'H': {0: 1784, 1: 530, 2: 321, 4: 220, 8: 136}}, 16: {'L': {0: 4712, 1: 1408, 2: 854, 4: 586, 8: 361}, 'M': {0: 3624, 1: 1082, 2: 656, 4: 450, 8: 277}, 'Q': {0: 2600, 1: 775, 2: 470, 4: 322, 8: 198}, 'H': {0: 2024, 1: 602, 2: 365, 4: 250, 8: 154}}, 17: {'L': {0: 5176, 1: 1548, 2: 938, 4: 644, 8: 397}, 'M': {0: 4056, 1: 1212, 2: 734, 4: 504, 8: 310}, 'Q': {0: 2936, 1: 876, 2: 531, 4: 364, 8: 224}, 'H': {0: 2264, 1: 674, 2: 408, 4: 280, 8: 173}}, 18: {'L': {0: 5768, 1: 1725, 2: 1046, 4: 718, 8: 442}, 'M': {0: 4504, 1: 1346, 2: 816, 4: 560, 8: 345}, 'Q': {0: 3176, 1: 948, 2: 574, 4: 394, 8: 243}, 'H': {0: 2504, 1: 746, 2: 452, 4: 310, 8: 191}}, 19: {'L': {0: 6360, 1: 1903, 2: 1153, 4: 792, 8: 488}, 'M': {0: 5016, 1: 1500, 2: 909, 4: 624, 8: 384}, 'Q': {0: 3560, 1: 1063, 2: 644, 4: 442, 8: 272}, 'H': {0: 2728, 1: 813, 2: 493, 4: 338, 8: 208}}, 20: {'L': {0: 6888, 1: 2061, 2: 1249, 4: 858, 8: 528}, 'M': {0: 5352, 1: 1600, 2: 970, 4: 666, 8: 410}, 'Q': {0: 3880, 1: 1159, 2: 702, 4: 482, 8: 297}, 'H': {0: 3080, 1: 919, 2: 557, 4: 382, 8: 235}}, 21: {'L': {0: 7456, 1: 2232, 2: 1352, 4: 929, 8: 572}, 'M': {0: 5712, 1: 1708, 2: 1035, 4: 711, 8: 438}, 'Q': {0: 4096, 1: 1224, 2: 742, 4: 509, 8: 314}, 'H': {0: 3248, 1: 969, 2: 587, 4: 403, 8: 248}}, 22: {'L': {0: 8048, 1: 2409, 2: 1460, 4: 1003, 8: 618}, 'M': {0: 6256, 1: 1872, 2: 1134, 4: 779, 8: 480}, 'Q': {0: 4544, 1: 1358, 2: 823, 4: 565, 8: 348}, 'H': {0: 3536, 1: 1056, 2: 640, 4: 439, 8: 270}}, 23: {'L': {0: 8752, 1: 2620, 2: 1588, 4: 1091, 8: 672}, 'M': {0: 6880, 1: 2059, 2: 1248, 4: 857, 8: 528}, 'Q': {0: 4912, 1: 1468, 2: 890, 4: 611, 8: 376}, 'H': {0: 3712, 1: 1108, 2: 672, 4: 461, 8: 284}}, 24: {'L': {0: 9392, 1: 2812, 2: 1704, 4: 1171, 8: 721}, 'M': {0: 7312, 1: 2188, 2: 1326, 4: 911, 8: 561}, 'Q': {0: 5312, 1: 1588, 2: 963, 4: 661, 8: 407}, 'H': {0: 4112, 1: 1228, 2: 744, 4: 511, 8: 315}}, 25: {'L': {0: 10208, 1: 3057, 2: 1853, 4: 1273, 8: 784}, 'M': {0: 8000, 1: 2395, 2: 1451, 4: 997, 8: 614}, 'Q': {0: 5744, 1: 1718, 2: 1041, 4: 715, 8: 440}, 'H': {0: 4304, 1: 1286, 2: 779, 4: 535, 8: 330}}, 26: {'L': {0: 10960, 1: 3283, 2: 1990, 4: 1367, 8: 842}, 'M': {0: 8496, 1: 2544, 2: 1542, 4: 1059, 8: 652}, 'Q': {0: 6032, 1: 1804, 2: 1094, 4: 751, 8: 462}, 'H': {0: 4768, 1: 1425, 2: 864, 4: 593, 8: 365}}, 27: {'L': {0: 11744, 1: 3514, 2: 2132, 4: 1465, 8: 902}, 'M': {0: 9024, 1: 2701, 2: 1637, 4: 1125, 8: 692}, 'Q': {0: 6464, 1: 1933, 2: 1172, 4: 805, 8: 496}, 'H': {0: 5024, 1: 1501, 2: 910, 4: 625, 8: 385}}, 28: {'L': {0: 12248, 1: 3669, 2: 2223, 4: 1528, 8: 940}, 'M': {0: 9544, 1: 2857, 2: 1732, 4: 1190, 8: 732}, 'Q': {0: 6968, 1: 2085, 2: 1263, 4: 868, 8: 534}, 'H': {0: 5288, 1: 1581, 2: 958, 4: 658, 8: 405}}, 29: {'L': {0: 13048, 1: 3909, 2: 2369, 4: 1628, 8: 1002}, 'M': {0: 10136, 1: 3035, 2: 1839, 4: 1264, 8: 778}, 'Q': {0: 7288, 1: 2181, 2: 1322, 4: 908, 8: 559}, 'H': {0: 5608, 1: 1677, 2: 1016, 4: 698, 8: 430}}, 30: {'L': {0: 13880, 1: 4158, 2: 2520, 4: 1732, 8: 1066}, 'M': {0: 10984, 1: 3289, 2: 1994, 4: 1370, 8: 843}, 'Q': {0: 7880, 1: 2358, 2: 1429, 4: 982, 8: 604}, 'H': {0: 5960, 1: 1782, 2: 1080, 4: 742, 8: 457}}, 31: {'L': {0: 14744, 1: 4417, 2: 2677, 4: 1840, 8: 1132}, 'M': {0: 11640, 1: 3486, 2: 2113, 4: 1452, 8: 894}, 'Q': {0: 8264, 1: 2473, 2: 1499, 4: 1030, 8: 634}, 'H': {0: 6344, 1: 1897, 2: 1150, 4: 790, 8: 486}}, 32: {'L': {0: 15640, 1: 4686, 2: 2840, 4: 1952, 8: 1201}, 'M': {0: 12328, 1: 3693, 2: 2238, 4: 1538, 8: 947}, 'Q': {0: 8920, 1: 2670, 2: 1618, 4: 1112, 8: 684}, 'H': {0: 6760, 1: 2022, 2: 1226, 4: 842, 8: 518}}, 33: {'L': {0: 16568, 1: 4965, 2: 3009, 4: 2068, 8: 1273}, 'M': {0: 13048, 1: 3909, 2: 2369, 4: 1628, 8: 1002}, 'Q': {0: 9368, 1: 2805, 2: 1700, 4: 1168, 8: 719}, 'H': {0: 7208, 1: 2157, 2: 1307, 4: 898, 8: 553}}, 34: {'L': {0: 17528, 1: 5253, 2: 3183, 4: 2188, 8: 1347}, 'M': {0: 13800, 1: 4134, 2: 2506, 4: 1722, 8: 1060}, 'Q': {0: 9848, 1: 2949, 2: 1787, 4: 1228, 8: 756}, 'H': {0: 7688, 1: 2301, 2: 1394, 4: 958, 8: 590}}, 35: {'L': {0: 18448, 1: 5529, 2: 3351, 4: 2303, 8: 1417}, 'M': {0: 14496, 1: 4343, 2: 2632, 4: 1809, 8: 1113}, 'Q': {0: 10288, 1: 3081, 2: 1867, 4: 1283, 8: 790}, 'H': {0: 7888, 1: 2361, 2: 1431, 4: 983, 8: 605}}, 36: {'L': {0: 19472, 1: 5836, 2: 3537, 4: 2431, 8: 1496}, 'M': {0: 15312, 1: 4588, 2: 2780, 4: 1911, 8: 1176}, 'Q': {0: 10832, 1: 3244, 2: 1966, 4: 1351, 8: 832}, 'H': {0: 8432, 1: 2524, 2: 1530, 4: 1051, 8: 647}}, 37: {'L': {0: 20528, 1: 6153, 2: 3729, 4: 2563, 8: 1577}, 'M': {0: 15936, 1: 4775, 2: 2894, 4: 1989, 8: 1224}, 'Q': {0: 11408, 1: 3417, 2: 2071, 4: 1423, 8: 876}, 'H': {0: 8768, 1: 2625, 2: 1591, 4: 1093, 8: 673}}, 38: {'L': {0: 21616, 1: 6479, 2: 3927, 4: 2699, 8: 1661}, 'M': {0: 16816, 1: 5039, 2: 3054, 4: 2099, 8: 1292}, 'Q': {0: 12016, 1: 3599, 2: 2181, 4: 1499, 8: 923}, 'H': {0: 9136, 1: 2735, 2: 1658, 4: 1139, 8: 701}}, 39: {'L': {0: 22496, 1: 6743, 2: 4087, 4: 2809, 8: 1729}, 'M': {0: 17728, 1: 5313, 2: 3220, 4: 2213, 8: 1362}, 'Q': {0: 12656, 1: 3791, 2: 2298, 4: 1579, 8: 972}, 'H': {0: 9776, 1: 2927, 2: 1774, 4: 1219, 8: 750}}, 40: {'L': {0: 23648, 1: 7089, 2: 4296, 4: 2953, 8: 1817}, 'M': {0: 18672, 1: 5596, 2: 3391, 4: 2331, 8: 1435}, 'Q': {0: 13328, 1: 3993, 2: 2420, 4: 1663, 8: 1024}, 'H': {0: 10208, 1: 3057, 2: 1852, 4: 1273, 8: 784}}}¶ This dictionary lists the data capacity for all possible QR Codes. This dictionary is organized where the first key corresponds to the QR Code version number. The next key corresponds to the error correction level, see error. The final key corresponds to the mode number, see modes. The zero mode number represents the possible “data bits.” This table was taken from:
-
pyqrcode.tables.data_length_field= {40: {8: 12, 1: 14, 2: 13, 4: 16}, 9: {8: 8, 1: 10, 2: 9, 4: 8}, 26: {8: 10, 1: 12, 2: 11, 4: 16}}¶ This is a dictionary holds how long the “data length” field is for each version and mode of the QR Code.
-
pyqrcode.tables.eccwbi= {1: {'L': [7, 1, 19, 0, 0], 'M': [10, 1, 16, 0, 0], 'Q': [13, 1, 13, 0, 0], 'H': [17, 1, 9, 0, 0]}, 2: {'L': [10, 1, 34, 0, 0], 'M': [16, 1, 28, 0, 0], 'Q': [22, 1, 22, 0, 0], 'H': [28, 1, 16, 0, 0]}, 3: {'L': [15, 1, 55, 0, 0], 'M': [26, 1, 44, 0, 0], 'Q': [18, 2, 17, 0, 0], 'H': [22, 2, 13, 0, 0]}, 4: {'L': [20, 1, 80, 0, 0], 'M': [18, 2, 32, 0, 0], 'Q': [26, 2, 24, 0, 0], 'H': [16, 4, 9, 0, 0]}, 5: {'L': [26, 1, 108, 0, 0], 'M': [24, 2, 43, 0, 0], 'Q': [18, 2, 15, 2, 16], 'H': [22, 2, 11, 2, 12]}, 6: {'L': [18, 2, 68, 0, 0], 'M': [16, 4, 27, 0, 0], 'Q': [24, 4, 19, 0, 0], 'H': [28, 4, 15, 0, 0]}, 7: {'L': [20, 2, 78, 0, 0], 'M': [18, 4, 31, 0, 0], 'Q': [18, 2, 14, 4, 15], 'H': [26, 4, 13, 1, 14]}, 8: {'L': [24, 2, 97, 0, 0], 'M': [22, 2, 38, 2, 39], 'Q': [22, 4, 18, 2, 19], 'H': [26, 4, 14, 2, 15]}, 9: {'L': [30, 2, 116, 0, 0], 'M': [22, 3, 36, 2, 37], 'Q': [20, 4, 16, 4, 17], 'H': [24, 4, 12, 4, 13]}, 10: {'L': [18, 2, 68, 2, 69], 'M': [26, 4, 43, 1, 44], 'Q': [24, 6, 19, 2, 20], 'H': [28, 6, 15, 2, 16]}, 11: {'L': [20, 4, 81, 0, 0], 'M': [30, 1, 50, 4, 51], 'Q': [28, 4, 22, 4, 23], 'H': [24, 3, 12, 8, 13]}, 12: {'L': [24, 2, 92, 2, 93], 'M': [22, 6, 36, 2, 37], 'Q': [26, 4, 20, 6, 21], 'H': [28, 7, 14, 4, 15]}, 13: {'L': [26, 4, 107, 0, 0], 'M': [22, 8, 37, 1, 38], 'Q': [24, 8, 20, 4, 21], 'H': [22, 12, 11, 4, 12]}, 14: {'L': [30, 3, 115, 1, 116], 'M': [24, 4, 40, 5, 41], 'Q': [20, 11, 16, 5, 17], 'H': [24, 11, 12, 5, 13]}, 15: {'L': [22, 5, 87, 1, 88], 'M': [24, 5, 41, 5, 42], 'Q': [30, 5, 24, 7, 25], 'H': [24, 11, 12, 7, 13]}, 16: {'L': [24, 5, 98, 1, 99], 'M': [28, 7, 45, 3, 46], 'Q': [24, 15, 19, 2, 20], 'H': [30, 3, 15, 13, 16]}, 17: {'L': [28, 1, 107, 5, 108], 'M': [28, 10, 46, 1, 47], 'Q': [28, 1, 22, 15, 23], 'H': [28, 2, 14, 17, 15]}, 18: {'L': [30, 5, 120, 1, 121], 'M': [26, 9, 43, 4, 44], 'Q': [28, 17, 22, 1, 23], 'H': [28, 2, 14, 19, 15]}, 19: {'L': [28, 3, 113, 4, 114], 'M': [26, 3, 44, 11, 45], 'Q': [26, 17, 21, 4, 22], 'H': [26, 9, 13, 16, 14]}, 20: {'L': [28, 3, 107, 5, 108], 'M': [26, 3, 41, 13, 42], 'Q': [30, 15, 24, 5, 25], 'H': [28, 15, 15, 10, 16]}, 21: {'L': [28, 4, 116, 4, 117], 'M': [26, 17, 42, 0, 0], 'Q': [28, 17, 22, 6, 23], 'H': [30, 19, 16, 6, 17]}, 22: {'L': [28, 2, 111, 7, 112], 'M': [28, 17, 46, 0, 0], 'Q': [30, 7, 24, 16, 25], 'H': [24, 34, 13, 0, 0]}, 23: {'L': [30, 4, 121, 5, 122], 'M': [28, 4, 47, 14, 48], 'Q': [30, 11, 24, 14, 25], 'H': [30, 16, 15, 14, 16]}, 24: {'L': [30, 6, 117, 4, 118], 'M': [28, 6, 45, 14, 46], 'Q': [30, 11, 24, 16, 25], 'H': [30, 30, 16, 2, 17]}, 25: {'L': [26, 8, 106, 4, 107], 'M': [28, 8, 47, 13, 48], 'Q': [30, 7, 24, 22, 25], 'H': [30, 22, 15, 13, 16]}, 26: {'L': [28, 10, 114, 2, 115], 'M': [28, 19, 46, 4, 47], 'Q': [28, 28, 22, 6, 23], 'H': [30, 33, 16, 4, 17]}, 27: {'L': [30, 8, 122, 4, 123], 'M': [28, 22, 45, 3, 46], 'Q': [30, 8, 23, 26, 24], 'H': [30, 12, 15, 28, 16]}, 28: {'L': [30, 3, 117, 10, 118], 'M': [28, 3, 45, 23, 46], 'Q': [30, 4, 24, 31, 25], 'H': [30, 11, 15, 31, 16]}, 29: {'L': [30, 7, 116, 7, 117], 'M': [28, 21, 45, 7, 46], 'Q': [30, 1, 23, 37, 24], 'H': [30, 19, 15, 26, 16]}, 30: {'L': [30, 5, 115, 10, 116], 'M': [28, 19, 47, 10, 48], 'Q': [30, 15, 24, 25, 25], 'H': [30, 23, 15, 25, 16]}, 31: {'L': [30, 13, 115, 3, 116], 'M': [28, 2, 46, 29, 47], 'Q': [30, 42, 24, 1, 25], 'H': [30, 23, 15, 28, 16]}, 32: {'L': [30, 17, 115, 0, 0], 'M': [28, 10, 46, 23, 47], 'Q': [30, 10, 24, 35, 25], 'H': [30, 19, 15, 35, 16]}, 33: {'L': [30, 17, 115, 1, 116], 'M': [28, 14, 46, 21, 47], 'Q': [30, 29, 24, 19, 25], 'H': [30, 11, 15, 46, 16]}, 34: {'L': [30, 13, 115, 6, 116], 'M': [28, 14, 46, 23, 47], 'Q': [30, 44, 24, 7, 25], 'H': [30, 59, 16, 1, 17]}, 35: {'L': [30, 12, 121, 7, 122], 'M': [28, 12, 47, 26, 48], 'Q': [30, 39, 24, 14, 25], 'H': [30, 22, 15, 41, 16]}, 36: {'L': [30, 6, 121, 14, 122], 'M': [28, 6, 47, 34, 48], 'Q': [30, 46, 24, 10, 25], 'H': [30, 2, 15, 64, 16]}, 37: {'L': [30, 17, 122, 4, 123], 'M': [28, 29, 46, 14, 47], 'Q': [30, 49, 24, 10, 25], 'H': [30, 24, 15, 46, 16]}, 38: {'L': [30, 4, 122, 18, 123], 'M': [28, 13, 46, 32, 47], 'Q': [30, 48, 24, 14, 25], 'H': [30, 42, 15, 32, 16]}, 39: {'L': [30, 20, 117, 4, 118], 'M': [28, 40, 47, 7, 48], 'Q': [30, 43, 24, 22, 25], 'H': [30, 10, 15, 67, 16]}, 40: {'L': [30, 19, 118, 6, 119], 'M': [28, 18, 47, 31, 48], 'Q': [30, 34, 24, 34, 25], 'H': [30, 20, 15, 61, 16]}}¶ This table defines the “Error Correction Code Words and Block Information.” The table lists the number of error correction words that are required to be generated for each version and error correction level. The table is accessed by first using the version number as a key and then the error level. The array values correspond to these columns from the source table:
0 | EC Code Words Per Block 1 | Block 1 Count 2 | Block 1 Data Code Words 3 | Block 2 Count 4 | Block 2 Data Code Words This table was taken from:
http://www.thonky.com/qr-code-tutorial/error-correction-table/
-
pyqrcode.tables.error_level= {0.7: 'L', 0.15: 'M', 'M': 'M', 0.25: 'Q', 'l': 'L', 'Q': 'Q', 'm': 'M', 'L': 'L', '30%': 'H', '25%': 'Q', 0.3: 'H', 'q': 'Q', 'h': 'H', '15%': 'M', 'H': 'H', '7%': 'L'}¶ This defines the amount of error correction. The dictionary allows the user to specify this in several ways.
-
pyqrcode.tables.galois_antilog= [None, 0, 1, 25, 2, 50, 26, 198, 3, 223, 51, 238, 27, 104, 199, 75, 4, 100, 224, 14, 52, 141, 239, 129, 28, 193, 105, 248, 200, 8, 76, 113, 5, 138, 101, 47, 225, 36, 15, 33, 53, 147, 142, 218, 240, 18, 130, 69, 29, 181, 194, 125, 106, 39, 249, 185, 201, 154, 9, 120, 77, 228, 114, 166, 6, 191, 139, 98, 102, 221, 48, 253, 226, 152, 37, 179, 16, 145, 34, 136, 54, 208, 148, 206, 143, 150, 219, 189, 241, 210, 19, 92, 131, 56, 70, 64, 30, 66, 182, 163, 195, 72, 126, 110, 107, 58, 40, 84, 250, 133, 186, 61, 202, 94, 155, 159, 10, 21, 121, 43, 78, 212, 229, 172, 115, 243, 167, 87, 7, 112, 192, 247, 140, 128, 99, 13, 103, 74, 222, 237, 49, 197, 254, 24, 227, 165, 153, 119, 38, 184, 180, 124, 17, 68, 146, 217, 35, 32, 137, 46, 55, 63, 209, 91, 149, 188, 207, 205, 144, 135, 151, 178, 220, 252, 190, 97, 242, 86, 211, 171, 20, 42, 93, 158, 132, 60, 57, 83, 71, 109, 65, 162, 31, 45, 67, 216, 183, 123, 164, 118, 196, 23, 73, 236, 127, 12, 111, 246, 108, 161, 59, 82, 41, 157, 85, 170, 251, 96, 134, 177, 187, 204, 62, 90, 203, 89, 95, 176, 156, 169, 160, 81, 11, 245, 22, 235, 122, 117, 44, 215, 79, 174, 213, 233, 230, 231, 173, 232, 116, 214, 244, 234, 168, 80, 88, 175]¶ This table contains the antilog and values used in GF(256) arithmetic. They are used to generate error correction codes for QR Codes. This table is taken from:
-
pyqrcode.tables.galois_log= [1, 2, 4, 8, 16, 32, 64, 128, 29, 58, 116, 232, 205, 135, 19, 38, 76, 152, 45, 90, 180, 117, 234, 201, 143, 3, 6, 12, 24, 48, 96, 192, 157, 39, 78, 156, 37, 74, 148, 53, 106, 212, 181, 119, 238, 193, 159, 35, 70, 140, 5, 10, 20, 40, 80, 160, 93, 186, 105, 210, 185, 111, 222, 161, 95, 190, 97, 194, 153, 47, 94, 188, 101, 202, 137, 15, 30, 60, 120, 240, 253, 231, 211, 187, 107, 214, 177, 127, 254, 225, 223, 163, 91, 182, 113, 226, 217, 175, 67, 134, 17, 34, 68, 136, 13, 26, 52, 104, 208, 189, 103, 206, 129, 31, 62, 124, 248, 237, 199, 147, 59, 118, 236, 197, 151, 51, 102, 204, 133, 23, 46, 92, 184, 109, 218, 169, 79, 158, 33, 66, 132, 21, 42, 84, 168, 77, 154, 41, 82, 164, 85, 170, 73, 146, 57, 114, 228, 213, 183, 115, 230, 209, 191, 99, 198, 145, 63, 126, 252, 229, 215, 179, 123, 246, 241, 255, 227, 219, 171, 75, 150, 49, 98, 196, 149, 55, 110, 220, 165, 87, 174, 65, 130, 25, 50, 100, 200, 141, 7, 14, 28, 56, 112, 224, 221, 167, 83, 166, 81, 162, 89, 178, 121, 242, 249, 239, 195, 155, 43, 86, 172, 69, 138, 9, 18, 36, 72, 144, 61, 122, 244, 245, 247, 243, 251, 235, 203, 139, 11, 22, 44, 88, 176, 125, 250, 233, 207, 131, 27, 54, 108, 216, 173, 71, 142, 1]¶ This table contains the log and values used in GF(256) arithmetic. They are used to generate error correction codes for QR Codes. This table is taken from:
vhttp://www.thonky.com/qr-code-tutorial/log-antilog-table/
-
pyqrcode.tables.generator_polynomials= {7: [87, 229, 146, 149, 238, 102, 21], 10: [251, 67, 46, 61, 118, 70, 64, 94, 32, 45], 13: [74, 152, 176, 100, 86, 100, 106, 104, 130, 218, 206, 140, 78], 15: [8, 183, 61, 91, 202, 37, 51, 58, 58, 237, 140, 124, 5, 99, 105], 16: [120, 104, 107, 109, 102, 161, 76, 3, 91, 191, 147, 169, 182, 194, 225, 120], 17: [43, 139, 206, 78, 43, 239, 123, 206, 214, 147, 24, 99, 150, 39, 243, 163, 136], 18: [215, 234, 158, 94, 184, 97, 118, 170, 79, 187, 152, 148, 252, 179, 5, 98, 96, 153], 20: [17, 60, 79, 50, 61, 163, 26, 187, 202, 180, 221, 225, 83, 239, 156, 164, 212, 212, 188, 190], 22: [210, 171, 247, 242, 93, 230, 14, 109, 221, 53, 200, 74, 8, 172, 98, 80, 219, 134, 160, 105, 165, 231], 24: [229, 121, 135, 48, 211, 117, 251, 126, 159, 180, 169, 152, 192, 226, 228, 218, 111, 0, 117, 232, 87, 96, 227, 21], 26: [173, 125, 158, 2, 103, 182, 118, 17, 145, 201, 111, 28, 165, 53, 161, 21, 245, 142, 13, 102, 48, 227, 153, 145, 218, 70], 28: [168, 223, 200, 104, 224, 234, 108, 180, 110, 190, 195, 147, 205, 27, 232, 201, 21, 43, 245, 87, 42, 195, 212, 119, 242, 37, 9, 123], 30: [41, 173, 145, 152, 216, 31, 179, 182, 50, 48, 110, 86, 239, 96, 222, 125, 42, 173, 226, 193, 224, 130, 156, 37, 251, 216, 238, 40, 192, 180]}¶ This table lists all of the generator polynomials used by QR Codes. They are indexed by the number of “ECC Code Words” (see table above). This table is taken from:
http://www.matchadesign.com/blog/qr-code-demystified-part-4/
-
pyqrcode.tables.mask_patterns= [<function <lambda> at 0x2b0fd6a15950>, <function <lambda> at 0x2b0fd6a159d8>, <function <lambda> at 0x2b0fd6a15a60>, <function <lambda> at 0x2b0fd6a15ae8>, <function <lambda> at 0x2b0fd6a15b70>, <function <lambda> at 0x2b0fd6a15bf8>, <function <lambda> at 0x2b0fd6a15c80>, <function <lambda> at 0x2b0fd6a15d08>]¶ This table contains functions to compute whether to change current bit when creating the masks. All of the functions in the table return a boolean value. A True result means you should add the bit to the QR Code exactly as is. A False result means you should add the opposite bit. This table was taken from:
-
pyqrcode.tables.modes= {'numeric': 1, 'kanji': 8, 'binary': 4, 'alphanumeric': 2}¶ This defines the QR Code’s ‘mode’ which sets what type of code it is along with its size.
-
pyqrcode.tables.position_adjustment= [None, None, [6, 18], [6, 22], [6, 26], [6, 30], [6, 34], [6, 22, 38], [6, 24, 42], [6, 26, 46], [6, 28, 50], [6, 30, 54], [6, 32, 58], [6, 34, 62], [6, 26, 46, 66], [6, 26, 48, 70], [6, 26, 50, 74], [6, 30, 54, 78], [6, 30, 56, 82], [6, 30, 58, 86], [6, 34, 62, 90], [6, 28, 50, 72, 94], [6, 26, 50, 74, 98], [6, 30, 54, 78, 102], [6, 28, 54, 80, 106], [6, 32, 58, 84, 110], [6, 30, 58, 86, 114], [6, 34, 62, 90, 118], [6, 26, 50, 74, 98, 122], [6, 30, 54, 78, 102, 126], [6, 26, 52, 78, 104, 130], [6, 30, 56, 82, 108, 134], [6, 34, 60, 86, 112, 138], [6, 30, 58, 86, 114, 142], [6, 34, 62, 90, 118, 146], [6, 30, 54, 78, 102, 126, 150], [6, 24, 50, 76, 102, 128, 154], [6, 28, 54, 80, 106, 132, 158], [6, 32, 58, 84, 110, 136, 162], [6, 26, 54, 82, 110, 138, 166], [6, 30, 58, 86, 114, 142, 170]]¶ This table contains the coordinates for the position adjustment patterns. The index of the table corresponds to the QR Code’s version number. This table is taken from:
-
pyqrcode.tables.term_colors= {'inverted': 7, 'light grey': 47, 'red': 41, 'light blue': 103, 'magenta': 45, 'dark grey': 100, 'black': 40, 'light yellow': 104, 'default': 49, 'reverse': 7, 'reversed': 7, 'light gray': 47, 'background': 49, 'light green': 102, 'blue': 44, 'dark gray': 100, 'yellow': 43, 'inverse': 7, 'light cyan': 106, 'light magenta': 105, 'light red': 101, 'green': 42, 'white': 107, 'cyan': 46}¶ This is a table of ASCII escape code for terminal colors. QR codes are drawn using a space with a colored background. Hence, only codes affecting background colors have been added. http://misc.flogisoft.com/bash/tip_colors_and_formatting
-
pyqrcode.tables.type_bits= {'L': {0: '111011111000100', 1: '111001011110011', 2: '111110110101010', 3: '111100010011101', 4: '110011000101111', 5: '110001100011000', 6: '110110001000001', 7: '110100101110110'}, 'M': {0: '101010000010010', 1: '101000100100101', 2: '101111001111100', 3: '101101101001011', 4: '100010111111001', 5: '100000011001110', 6: '100111110010111', 7: '100101010100000'}, 'Q': {0: '011010101011111', 1: '011000001101000', 2: '011111100110001', 3: '011101000000110', 4: '010010010110100', 5: '010000110000011', 6: '010111011011010', 7: '010101111101101'}, 'H': {0: '001011010001001', 1: '001001110111110', 2: '001110011100111', 3: '001100111010000', 4: '000011101100010', 5: '000001001010101', 6: '000110100001100', 7: '000100000111011'}}¶ This table contains the bit fields needed to specify the error code level and mask pattern used by a QR Code. This table is take from:
-
pyqrcode.tables.version_pattern= [None, None, None, None, None, None, None, '000111110010010100', '001000010110111100', '001001101010011001', '001010010011010011', '001011101111110110', '001100011101100010', '001101100001000111', '001110011000001101', '001111100100101000', '010000101101111000', '010001010001011101', '010010101000010111', '010011010100110010', '010100100110100110', '010101011010000011', '010110100011001001', '010111011111101100', '011000111011000100', '011001000111100001', '011010111110101011', '011011000010001110', '011100110000011010', '011101001100111111', '011110110101110101', '011111001001010000', '100000100111010101', '100001011011110000', '100010100010111010', '100011011110011111', '100100101100001011', '100101010000101110', '100110101001100100', '100111010101000001', '101000110001101001']¶ This table specifies the bit pattern to be added to a QR Code’s image to specify what version the code is. Note, this pattern is not used for versions 1-6. This table is taken from:
-
pyqrcode.tables.version_size= [None, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89, 93, 97, 101, 105, 109, 113, 117, 121, 125, 129, 133, 137, 141, 145, 149, 153, 157, 161, 165, 169, 173, 177]¶ This array specifies the size of a QR Code in pixels. These numbers are defined in the standard. The indexes correspond to the QR Code’s version number. This array was taken from: