#!/usr/bin/env python2 import codecs Unicode_from_CBM = [ 0x0040, # 0 0x0041, # 1 0x0042, # 2 0x0043, # 3 0x0044, # 4 0x0045, # 5 0x0046, # 6 0x0047, # 7 0x0048, # 8 0x0049, # 9 0x004A, # 10 0x004B, # 11 0x004C, # 12 0x004D, # 13 0x004E, # 14 0x004F, # 15 0x0050, # 16 0x0051, # 17 0x0052, # 18 0x0053, # 19 0x0054, # 20 0x0055, # 21 0x0056, # 22 0x0057, # 23 0x0058, # 24 0x0059, # 25 0x005A, # 26 0x005B, # 27 0x00A3, # 28 0x005D, # 29 0x2191, # 30 0x2190, # 31 0x0020, # 32 0x0021, # 33 0x0022, # 34 0x0023, # 35 0x0024, # 36 0x0025, # 37 0x0026, # 38 0x0027, # 39 0x0028, # 40 0x0029, # 41 0x002A, # 42 0x002B, # 43 0x002C, # 44 0x002D, # 45 0x002E, # 46 0x002F, # 47 0x0030, # 48 0x0031, # 49 0x0032, # 50 0x0033, # 51 0x0034, # 52 0x0035, # 53 0x0036, # 54 0x0037, # 55 0x0038, # 56 0x0039, # 57 0x003A, # 58 0x003B, # 59 0x003C, # 60 0x003D, # 61 0x003E, # 62 0x003F, # 63 0x2501, # 64 0x2660, # 65 0x2503, # 66 0x2501, # 67 # dupe 0x0000, # 68 0x0000, # 69 # dupe 0x0000, # 70 # dupe 0x0000, # 71 # dupe 0x0000, # 72 # dupe 0x0000, # 73 # dupe 0x0000, # 74 # dupe 0x0000, # 75 # dupe 0x0000, # 76 # dupe 0x0000, # 77 # dupe 0x0000, # 78 # dupe 0x0000, # 79 # dupe 0x0000, # 80 # dupe 0x25CF, # 81 0x0000, # 82 # dupe 0x2665, # 83 0x0000, # 84 # dupe 0x0000, # 85 # dupe 0x0000, # 86 # dupe 0x25CB, # 87 0x2663, # 88 0x0000, # 89 # dupe 0x2666, # 90 0x254B, # 91 0x0000, # 92 # dupe 0x2503, # 93 # dupe 0x03C0, # 94 0x25E5, # 95 0x0020, # 96 # dupe 0x258C, # 97 0x2584, # 98 0x2594, # 99 0x2581, # 100 0x258E, # 101 0x0000, # 102 # dupe 0x0000, # 103 # dupe 0x0000, # 104 # dupe 0x25E4, # 105 0x0000, # 106 # dupe 0x2523, # 107 0x2597, # 108 0x2517, # 109 0x2513, # 110 0x2582, # 111 0x250F, # 112 0x253B, # 113 0x2533, # 114 0x252B, # 115 0x258E, # 116 # dupe 0x258D, # 117 0x0000, # 118 # dupe 0x0000, # 119 # dupe 0x0000, # 120 # dupe 0x2583, # 121 0x0000, # 122 # dupe 0x2596, # 123 0x259D, # 124 0x251B, # 125 0x2598, # 126 0x259A, # 127 0x0000, # 128 # dupe 0x0061, # 129 0x0000, # 130 # dupe 0x0063, # 131 0x0064, # 132 0x0000, # 133 # dupe 0x0066, # 134 0x0067, # 135 0x0000, # 136 # dupe 0x0069, # 137 0x006A, # 138 0x0000, # 139 # dupe 0x006C, # 140 0x006D, # 141 0x0000, # 142 # dupe 0x006F, # 143 0x0070, # 144 0x0000, # 145 # dupe 0x0072, # 146 0x0073, # 147 0x0000, # 148 # dupe 0x0075, # 149 0x0076, # 150 0x0000, # 151 # dupe 0x0078, # 152 0x0079, # 153 0x0000, # 154 # dupe 0x0000, # 155 # dupe 0x00A3, # 156 # dupe 0x005D, # 157 # dupe 0x2191, # 158 # dupe 0x0000, # 159 # dupe 0x0020, # 160 # dupe 0x0021, # 161 # dupe 0x0000, # 162 # dupe 0x0023, # 163 # dupe 0x0024, # 164 # dupe 0x0000, # 165 # dupe 0x0026, # 166 # dupe 0x0027, # 167 # dupe 0x0000, # 168 # dupe 0x0029, # 169 # dupe 0x002A, # 170 # dupe 0x0000, # 171 # dupe 0x002C, # 172 # dupe 0x002D, # 173 # dupe 0x0000, # 174 # dupe 0x002F, # 175 # dupe 0x0030, # 176 # dupe 0x0000, # 177 # dupe 0x0032, # 178 # dupe 0x0033, # 179 # dupe 0x0000, # 180 # dupe 0x0035, # 181 # dupe 0x0036, # 182 # dupe 0x0000, # 183 # dupe 0x0038, # 184 # dupe 0x0039, # 185 # dupe 0x0000, # 186 # dupe 0x003B, # 187 # dupe 0x003C, # 188 # dupe 0x0000, # 189 # dupe 0x003E, # 190 # dupe 0x003F, # 191 # dupe 0x0000, # 192 # dupe 0x0041, # 193 # dupe 0x0042, # 194 # dupe 0x0000, # 195 # dupe 0x0044, # 196 # dupe 0x0045, # 197 # dupe 0x0000, # 198 # dupe 0x0047, # 199 # dupe 0x0048, # 200 # dupe 0x0000, # 201 # dupe 0x004A, # 202 # dupe 0x004B, # 203 # dupe 0x0000, # 204 # dupe 0x004D, # 205 # dupe 0x004E, # 206 # dupe 0x0000, # 207 # dupe 0x0050, # 208 # dupe 0x0051, # 209 # dupe 0x0000, # 210 # dupe 0x0053, # 211 # dupe 0x0054, # 212 # dupe 0x0000, # 213 # dupe 0x0056, # 214 # dupe 0x0057, # 215 # dupe 0x0000, # 216 # dupe 0x0059, # 217 # dupe 0x005A, # 218 # dupe 0x254B, # 219 # dupe 0x0000, # 220 # dupe 0x2503, # 221 # dupe 0x0000, # 222 # dupe 0x0000, # 223 # dupe 0x0020, # 224 # dupe 0x0000, # 225 # dupe 0x2584, # 226 # dupe 0x0000, # 227 # dupe 0x2581, # 228 # dupe 0x258E, # 229 # dupe 0x0000, # 230 # dupe 0x0000, # 231 # dupe 0x0000, # 232 # dupe 0x0000, # 233 # dupe 0x0000, # 234 # dupe 0x0000, # 235 # dupe 0x2597, # 236 # dupe 0x2517, # 237 # dupe 0x0000, # 238 # dupe 0x0000, # 239 # dupe 0x250F, # 240 # dupe 0x0000, # 241 # dupe 0x2533, # 242 # dupe 0x252B, # 243 # dupe 0x258E, # 244 # dupe 0x258D, # 245 # dupe 0x0000, # 246 # dupe 0x0000, # 247 # dupe 0x0000, # 248 # dupe 0x2583, # 249 # dupe 0x221A, # 250 0x2596, # 251 # dupe 0x259D, # 252 # dupe 0x251B, # 253 # dupe 0x0000, # 254 # dupe 0x259A, # 255 # dupe ] CBM_from_Unicode = {} for CBM, Unicode in enumerate(Unicode_from_CBM): #assert(Unicode not in CBM_from_Unicode) # FIXME use this if Unicode not in CBM_from_Unicode: CBM_from_Unicode[Unicode] = CBM #print("U", hex(Unicode)) #print(CBM_from_Unicode[0x41]) assert(CBM_from_Unicode[0x41] == 1) def search_function(name): if(name != "petscii"): return(None) def encode(arg, errors = {}): return(b"".join(map(lambda item: chr(CBM_from_Unicode[ord(item)]), arg)), len(arg)) def decode(arg, errors = {}): return(u"".join(map(lambda item: unichr(Unicode_from_CBM[ord(item)]), arg)), len(arg)) return(codecs.CodecInfo(encode, decode)) # streamreader, streamwriter, incrementalencoder, incrementaldecoder codecs.register(search_function) if __name__ == "__main__": assert(b"\x01\x02\x03".decode("petscii") == "ABC") #print ord(u"ABC".encode("petscii")[0]) assert(u"ABC".encode("petscii") == b"\x01\x02\x03") # data, bytesdecoded = self.decode(data, self.errors)