224 lines
3.6 KiB
Python
224 lines
3.6 KiB
Python
import string
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# Charsets for code 128
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_common = (
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(
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" ",
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"!",
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'"',
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"#",
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"$",
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"%",
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"&",
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"'",
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"(",
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")",
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"*",
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"+",
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",",
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"-",
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".",
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"/",
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)
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+ tuple(string.digits)
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+ (
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":",
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";",
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"<",
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"=",
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">",
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"?",
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"@",
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)
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+ tuple(string.ascii_uppercase)
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+ (
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"[",
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"\\",
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"]",
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"^",
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"_",
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)
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)
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_charset_a = _common + (
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"\x00",
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"\x01",
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"\x02",
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"\x03",
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"\x04",
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"\x05",
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"\x06",
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"\x07",
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"\x08",
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"\x09",
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"\x0a",
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"\x0b",
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"\x0c",
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"\x0d",
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"\x0e",
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"\x0f",
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"\x10",
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"\x11",
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"\x12",
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"\x13",
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"\x14",
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"\x15",
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"\x16",
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"\x17",
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"\x18",
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"\x19",
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"\x1a",
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"\x1b",
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"\x1c",
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"\x1d",
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"\x1e",
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"\x1f",
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"\xf3",
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"\xf2",
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"SHIFT",
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"TO_C",
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"TO_B",
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"\xf4",
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"\xf1",
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)
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_charset_b = (
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_common
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+ ("`",)
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+ tuple(string.ascii_lowercase)
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+ (
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"{",
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"|",
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"}",
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"~",
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"\x7f",
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"\xf3",
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"\xf2",
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"SHIFT",
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"TO_C",
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"\xf4",
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"TO_A",
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"\xf1",
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)
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)
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ALL = set(_common + _charset_a + _charset_b)
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A = {c: i for i, c in enumerate(_charset_a)}
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B = {c: i for i, c in enumerate(_charset_b)}
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C = {"TO_B": 100, "TO_A": 101, "\xf1": 102}
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CODES = (
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"11011001100",
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"11001101100",
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"11001100110",
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"10010011000",
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"10010001100",
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"10001001100",
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"10011001000",
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"10011000100",
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"10001100100",
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"11001001000",
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"11001000100",
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"11000100100",
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"10110011100",
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"10011011100",
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"10011001110",
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"10111001100",
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"10011101100",
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"10011100110",
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"11001110010",
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"11001011100",
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"11001001110",
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"11011100100",
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"11001110100",
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"11101101110",
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"11101001100",
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"11100101100",
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"11100100110",
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"11101100100",
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"11100110100",
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"11100110010",
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"11011011000",
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"11011000110",
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"11000110110",
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"10100011000",
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"10001011000",
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"10001000110",
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"10110001000",
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"10001101000",
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"10001100010",
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"11010001000",
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"11000101000",
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"11000100010",
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"10110111000",
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"10110001110",
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"10001101110",
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"10111011000",
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"10111000110",
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"10001110110",
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"11101110110",
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"11010001110",
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"11000101110",
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"11011101000",
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"11011100010",
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"11011101110",
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"11101011000",
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"11101000110",
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"11100010110",
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"11101101000",
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"11101100010",
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"11100011010",
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"11101111010",
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"11001000010",
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"11110001010",
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"10100110000",
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"10100001100",
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"10010110000",
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"10010000110",
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"10000101100",
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"10000100110",
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"10110010000",
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"10110000100",
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"10011010000",
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"10011000010",
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"10000110100",
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"10000110010",
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"11000010010",
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"11001010000",
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"11110111010",
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"11000010100",
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"10001111010",
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"10100111100",
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"10010111100",
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"10010011110",
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"10111100100",
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"10011110100",
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"10011110010",
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"11110100100",
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"11110010100",
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"11110010010",
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"11011011110",
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"11011110110",
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"11110110110",
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"10101111000",
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"10100011110",
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"10001011110",
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"10111101000",
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"10111100010",
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"11110101000",
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"11110100010",
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"10111011110",
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"10111101110",
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"11101011110",
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"11110101110",
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"11010000100",
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"11010010000",
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"11010011100",
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)
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STOP = "11000111010"
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START_CODES = {"A": 103, "B": 104, "C": 105}
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TO = {101: START_CODES["A"], 100: START_CODES["B"], 99: START_CODES["C"]}
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