1 #!/usr/bin/env python 2 3 import math, os, sys 4 5 webcolors = { 6 "indianred": "#cd5c5c", 7 "lightcoral": "#f08080", 8 "salmon": "#fa8072", 9 "darksalmon": "#e9967a", 10 "lightsalmon": "#ffa07a", 11 "red": "#ff0000", 12 "crimson": "#dc143c", 13 "firebrick": "#b22222", 14 "darkred": "#8b0000", 15 "pink": "#ffc0cb", 16 "lightpink": "#ffb6c1", 17 "hotpink": "#ff69b4", 18 "deeppink": "#ff1493", 19 "mediumvioletred": "#c71585", 20 "palevioletred": "#db7093", 21 "lightsalmon": "#ffa07a", 22 "coral": "#ff7f50", 23 "tomato": "#ff6347", 24 "orangered": "#ff4500", 25 "darkorange": "#ff8c00", 26 "orange": "#ffa500", 27 "gold": "#ffd700", 28 "yellow": "#ffff00", 29 "lightyellow": "#ffffe0", 30 "lemonchiffon": "#fffacd", 31 "lightgoldenrodyellow": "#fafad2", 32 "papayawhip": "#ffefd5", 33 "moccasin": "#ffe4b5", 34 "peachpuff": "#ffdab9", 35 "palegoldenrod": "#eee8aa", 36 "khaki": "#f0e68c", 37 "darkkhaki": "#bdb76b", 38 "lavender": "#e6e6fa", 39 "thistle": "#d8bfd8", 40 "plum": "#dda0dd", 41 "violet": "#ee82ee", 42 "orchid": "#da70d6", 43 "fuchsia": "#ff00ff", 44 "magenta": "#ff00ff", 45 "mediumorchid": "#ba55d3", 46 "mediumpurple": "#9370db", 47 "blueviolet": "#8a2be2", 48 "darkviolet": "#9400d3", 49 "darkorchid": "#9932cc", 50 "darkmagenta": "#8b008b", 51 "purple": "#800080", 52 "indigo": "#4b0082", 53 "darkslateblue": "#483d8b", 54 "slateblue": "#6a5acd", 55 "mediumslateblue": "#7b68ee", 56 "greenyellow": "#adff2f", 57 "chartreuse": "#7fff00", 58 "lawngreen": "#7cfc00", 59 "lime": "#00ff00", 60 "limegreen": "#32cd32", 61 "palegreen": "#98fb98", 62 "lightgreen": "#90ee90", 63 "mediumspringgreen": "#00fa9a", 64 "springgreen": "#00ff7f", 65 "mediumseagreen": "#3cb371", 66 "seagreen": "#2e8b57", 67 "forestgreen": "#228b22", 68 "green": "#008000", 69 "darkgreen": "#006400", 70 "yellowgreen": "#9acd32", 71 "olivedrab": "#6b8e23", 72 "olive": "#808000", 73 "darkolivegreen": "#556b2f", 74 "mediumaquamarine": "#66cdaa", 75 "darkseagreen": "#8fbc8f", 76 "lightseagreen": "#20b2aa", 77 "darkcyan": "#008b8b", 78 "teal": "#008080", 79 "aqua": "#00ffff", 80 "cyan": "#00ffff", 81 "lightcyan": "#e0ffff", 82 "paleturquoise": "#afeeee", 83 "aquamarine": "#7fffd4", 84 "turquoise": "#40e0d0", 85 "mediumturquoise": "#48d1cc", 86 "darkturquoise": "#00ced1", 87 "cadetblue": "#5f9ea0", 88 "steelblue": "#4682b4", 89 "lightsteelblue": "#b0c4de", 90 "powderblue": "#b0e0e6", 91 "lightblue": "#add8e6", 92 "skyblue": "#87ceeb", 93 "lightskyblue": "#87cefa", 94 "deepskyblue": "#00bfff", 95 "dodgerblue": "#1e90ff", 96 "cornflowerblue": "#6495ed", 97 "royalblue": "#4169e1", 98 "blue": "#0000ff", 99 "mediumblue": "#0000cd", 100 "darkblue": "#00008b", 101 "navy": "#000080", 102 "midnightblue": "#191970", 103 "cornsilk": "#fff8dc", 104 "blanchedalmond": "#ffebcd", 105 "bisque": "#ffe4c4", 106 "navajowhite": "#ffdead", 107 "wheat": "#f5deb3", 108 "burlywood": "#deb887", 109 "tan": "#d2b48c", 110 "rosybrown": "#bc8f8f", 111 "sandybrown": "#f4a460", 112 "goldenrod": "#daa520", 113 "darkgoldenrod": "#b8860b", 114 "peru": "#cd853f", 115 "chocolate": "#d2691e", 116 "saddlebrown": "#8b4513", 117 "sienna": "#a0522d", 118 "brown": "#a52a2a", 119 "maroon": "#800000", 120 "white": "#ffffff", 121 "snow": "#fffafa", 122 "honeydew": "#f0fff0", 123 "mintcream": "#f5fffa", 124 "azure": "#f0ffff", 125 "aliceblue": "#f0f8ff", 126 "ghostwhite": "#f8f8ff", 127 "whitesmoke": "#f5f5f5", 128 "seashell": "#fff5ee", 129 "beige": "#f5f5dc", 130 "oldlace": "#fdf5e6", 131 "floralwhite": "#fffaf0", 132 "ivory": "#fffff0", 133 "antiquewhite": "#faebd7", 134 "linen": "#faf0e6", 135 "lavenderblush": "#fff0f5", 136 "mistyrose": "#ffe4e1", 137 "gainsboro": "#dcdcdc", 138 "lightgrey": "#d3d3d3", 139 "silver": "#c0c0c0", 140 "darkgray": "#a9a9a9", 141 "gray": "#808080", 142 "dimgray": "#696969", 143 "lightslategray": "#778899", 144 "slategray": "#708090", 145 "darkslategray": "#2f4f4f", 146 "black": "#000000", 147 } 148 149 if os.name == "nt": 150 consoleColors = [ 151 "#000000", #{ 0, 0, 0 },//0 - black 152 "#000080", #{ 0, 0, 128 },//1 - navy 153 "#008000", #{ 0, 128, 0 },//2 - green 154 "#008080", #{ 0, 128, 128 },//3 - teal 155 "#800000", #{ 128, 0, 0 },//4 - maroon 156 "#800080", #{ 128, 0, 128 },//5 - purple 157 "#808000", #{ 128, 128, 0 },//6 - olive 158 "#C0C0C0", #{ 192, 192, 192 },//7 - silver 159 "#808080", #{ 128, 128, 128 },//8 - gray 160 "#0000FF", #{ 0, 0, 255 },//9 - blue 161 "#00FF00", #{ 0, 255, 0 },//a - lime 162 "#00FFFF", #{ 0, 255, 255 },//b - cyan 163 "#FF0000", #{ 255, 0, 0 },//c - red 164 "#FF00FF", #{ 255, 0, 255 },//d - magenta 165 "#FFFF00", #{ 255, 255, 0 },//e - yellow 166 "#FFFFFF", #{ 255, 255, 255 } //f - white 167 ] 168 else: 169 consoleColors = [ 170 "#2e3436", 171 "#cc0000", 172 "#4e9a06", 173 "#c4a000", 174 "#3465a4", 175 "#75507b", 176 "#06989a", 177 "#d3d7cf", 178 "#ffffff", 179 180 "#555753", 181 "#ef2929", 182 "#8ae234", 183 "#fce94f", 184 "#729fcf", 185 "#ad7fa8", 186 "#34e2e2", 187 "#eeeeec", 188 ] 189 190 def RGB2LAB(r,g,b): 191 if max(r,g,b): 192 r /= 255. 193 g /= 255. 194 b /= 255. 195 196 X = (0.412453 * r + 0.357580 * g + 0.180423 * b) / 0.950456 197 Y = (0.212671 * r + 0.715160 * g + 0.072169 * b) 198 Z = (0.019334 * r + 0.119193 * g + 0.950227 * b) / 1.088754 199 200 #[X * 0.950456] [0.412453 0.357580 0.180423] [R] 201 #[Y ] = [0.212671 0.715160 0.072169] * [G] 202 #[Z * 1.088754] [0.019334 0.119193 0.950227] [B] 203 204 T = 0.008856 #threshold 205 206 if X > T: 207 fX = math.pow(X, 1./3.) 208 else: 209 fX = 7.787 * X + 16./116. 210 211 # Compute L 212 if Y > T: 213 Y3 = math.pow(Y, 1./3.) 214 fY = Y3 215 L = 116. * Y3 - 16.0 216 else: 217 fY = 7.787 * Y + 16./116. 218 L = 903.3 * Y 219 220 if Z > T: 221 fZ = math.pow(Z, 1./3.) 222 else: 223 fZ = 7.787 * Z + 16./116. 224 225 # Compute a and b 226 a = 500. * (fX - fY) 227 b = 200. * (fY - fZ) 228 229 return (L,a,b) 230 231 def colorDistance(r1,g1,b1 = None, r2 = None, g2 = None,b2 = None): 232 if type(r1) == tuple and type(g1) == tuple and b1 is None and r2 is None and g2 is None and b2 is None: 233 (l1,a1,b1) = RGB2LAB(*r1) 234 (l2,a2,b2) = RGB2LAB(*g1) 235 else: 236 (l1,a1,b1) = RGB2LAB(r1,g1,b1) 237 (l2,a2,b2) = RGB2LAB(r2,g2,b2) 238 #CIE94 239 dl = l1-l2 240 C1 = math.sqrt(a1*a1 + b1*b1) 241 C2 = math.sqrt(a2*a2 + b2*b2) 242 dC = C1 - C2 243 da = a1-a2 244 db = b1-b2 245 dH = math.sqrt(max(0, da*da + db*db - dC*dC)) 246 Kl = 1 247 K1 = 0.045 248 K2 = 0.015 249 250 s1 = dl/Kl 251 s2 = dC/(1. + K1 * C1) 252 s3 = dH/(1. + K2 * C1) 253 return math.sqrt(s1*s1 + s2*s2 + s3*s3) 254 255 def parseHexColor(col): 256 if len(col) != 4 and len(col) != 7 and not col.startswith("#"): 257 return (0,0,0) 258 if len(col) == 4: 259 r = col[1]*2 260 g = col[2]*2 261 b = col[3]*2 262 else: 263 r = col[1:3] 264 g = col[3:5] 265 b = col[5:7] 266 return (int(r,16), int(g,16), int(b,16)) 267 268 def getColor(col): 269 if isinstance(col, str): 270 if col.lower() in webcolors: 271 return parseHexColor(webcolors[col.lower()]) 272 else: 273 return parseHexColor(col) 274 else: 275 return col 276 277 def getNearestConsoleColor(col): 278 color = getColor(col) 279 minidx = 0 280 mindist = colorDistance(color, getColor(consoleColors[0])) 281 for i in range(len(consoleColors)): 282 dist = colorDistance(color, getColor(consoleColors[i])) 283 if dist < mindist: 284 mindist = dist 285 minidx = i 286 return minidx 287 288 if os.name == 'nt': 289 import msvcrt 290 from ctypes import windll, Structure, c_short, c_ushort, byref 291 SHORT = c_short 292 WORD = c_ushort 293 294 class COORD(Structure): 295 _fields_ = [ 296 ("X", SHORT), 297 ("Y", SHORT)] 298 299 class SMALL_RECT(Structure): 300 _fields_ = [ 301 ("Left", SHORT), 302 ("Top", SHORT), 303 ("Right", SHORT), 304 ("Bottom", SHORT)] 305 306 class CONSOLE_SCREEN_BUFFER_INFO(Structure): 307 _fields_ = [ 308 ("dwSize", COORD), 309 ("dwCursorPosition", COORD), 310 ("wAttributes", WORD), 311 ("srWindow", SMALL_RECT), 312 ("dwMaximumWindowSize", COORD)] 313 314 class winConsoleColorizer(object): 315 def __init__(self, stream): 316 self.handle = msvcrt.get_osfhandle(stream.fileno()) 317 self.default_attrs = 7#self.get_text_attr() 318 self.stream = stream 319 320 def get_text_attr(self): 321 csbi = CONSOLE_SCREEN_BUFFER_INFO() 322 windll.kernel32.GetConsoleScreenBufferInfo(self.handle, byref(csbi)) 323 return csbi.wAttributes 324 325 def set_text_attr(self, color): 326 windll.kernel32.SetConsoleTextAttribute(self.handle, color) 327 328 def write(self, *text, **attrs): 329 if not text: 330 return 331 color = attrs.get("color", None) 332 if color: 333 col = getNearestConsoleColor(color) 334 self.stream.flush() 335 self.set_text_attr(col) 336 self.stream.write(" ".join([str(t) for t in text])) 337 if color: 338 self.stream.flush() 339 self.set_text_attr(self.default_attrs) 340 341 class dummyColorizer(object): 342 def __init__(self, stream): 343 self.stream = stream 344 345 def write(self, *text, **attrs): 346 if text: 347 self.stream.write(" ".join([str(t) for t in text])) 348 349 class asciiSeqColorizer(object): 350 RESET_SEQ = "\033[0m" 351 #BOLD_SEQ = "\033[1m" 352 ITALIC_SEQ = "\033[3m" 353 UNDERLINE_SEQ = "\033[4m" 354 STRIKEOUT_SEQ = "\033[9m" 355 COLOR_SEQ0 = "\033[00;%dm" #dark 356 COLOR_SEQ1 = "\033[01;%dm" #bold and light 357 358 def __init__(self, stream): 359 self.stream = stream 360 361 def get_seq(self, code): 362 if code > 8: 363 return self.__class__.COLOR_SEQ1 % (30 + code - 9) 364 else: 365 return self.__class__.COLOR_SEQ0 % (30 + code) 366 367 def write(self, *text, **attrs): 368 if not text: 369 return 370 color = attrs.get("color", None) 371 if color: 372 col = getNearestConsoleColor(color) 373 self.stream.write(self.get_seq(col)) 374 self.stream.write(" ".join([str(t) for t in text])) 375 if color: 376 self.stream.write(self.__class__.RESET_SEQ) 377 378 379 def getColorizer(stream): 380 if stream.isatty(): 381 if os.name == "nt": 382 return winConsoleColorizer(stream) 383 else: 384 return asciiSeqColorizer(stream) 385 else: 386 return dummyColorizer(stream) 387
