165 lines
4.4 KiB
Python
165 lines
4.4 KiB
Python
import re
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# Source: https://www.w3.org/TR/css3-color/#svg-color
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CSS_COLOURS = {
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'aliceblue': '#f0f8ff',
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'antiquewhite': '#faebd7',
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'aqua': '#00ffff',
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'aquamarine': '#7fffd4',
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'azure': '#f0ffff',
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'beige': '#f5f5dc',
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'bisque': '#ffe4c4',
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'black': '#000000',
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'blanchedalmond': '#ffebcd',
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'blue': '#0000ff',
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'blueviolet': '#8a2be2',
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'brown': '#a52a2a',
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'burlywood': '#deb887',
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'cadetblue': '#5f9ea0',
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'chartreuse': '#7fff00',
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'chocolate': '#d2691e',
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'coral': '#ff7f50',
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'cornflowerblue': '#6495ed',
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'cornsilk': '#fff8dc',
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'crimson': '#dc143c',
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'cyan': '#00ffff',
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'darkblue': '#00008b',
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'darkcyan': '#008b8b',
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'darkgoldenrod': '#b8860b',
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'darkgray': '#a9a9a9',
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'darkgreen': '#006400',
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'darkgrey': '#a9a9a9',
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'darkkhaki': '#bdb76b',
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'darkmagenta': '#8b008b',
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'darkolivegreen': '#556b2f',
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'darkorange': '#ff8c00',
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'darkorchid': '#9932cc',
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'darkred': '#8b0000',
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'darksalmon': '#e9967a',
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'darkseagreen': '#8fbc8f',
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'darkslateblue': '#483d8b',
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'darkslategray': '#2f4f4f',
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'darkslategrey': '#2f4f4f',
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'darkturquoise': '#00ced1',
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'darkviolet': '#9400d3',
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'deeppink': '#ff1493',
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'deepskyblue': '#00bfff',
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'dimgray': '#696969',
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'dimgrey': '#696969',
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'dodgerblue': '#1e90ff',
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'firebrick': '#b22222',
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'floralwhite': '#fffaf0',
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'forestgreen': '#228b22',
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'fuchsia': '#ff00ff',
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'gainsboro': '#dcdcdc',
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'ghostwhite': '#f8f8ff',
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'gold': '#ffd700',
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'goldenrod': '#daa520',
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'gray': '#808080',
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'green': '#008000',
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'greenyellow': '#adff2f',
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'grey': '#808080',
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'honeydew': '#f0fff0',
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'hotpink': '#ff69b4',
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'indianred': '#cd5c5c',
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'indigo': '#4b0082',
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'ivory': '#fffff0',
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'khaki': '#f0e68c',
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'lavender': '#e6e6fa',
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'lavenderblush': '#fff0f5',
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'lawngreen': '#7cfc00',
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'lemonchiffon': '#fffacd',
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'lightblue': '#add8e6',
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'lightcoral': '#f08080',
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'lightcyan': '#e0ffff',
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'lightgoldenrodyellow': '#fafad2',
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'lightgray': '#d3d3d3',
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'lightgreen': '#90ee90',
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'lightgrey': '#d3d3d3',
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'lightpink': '#ffb6c1',
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'lightsalmon': '#ffa07a',
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'lightseagreen': '#20b2aa',
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'lightskyblue': '#87cefa',
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'lightslategray': '#778899',
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'lightslategrey': '#778899',
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'lightsteelblue': '#b0c4de',
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'lightyellow': '#ffffe0',
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'lime': '#00ff00',
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'limegreen': '#32cd32',
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'linen': '#faf0e6',
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'magenta': '#ff00ff',
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'maroon': '#800000',
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'mediumaquamarine': '#66cdaa',
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'mediumblue': '#0000cd',
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'mediumorchid': '#ba55d3',
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'mediumpurple': '#9370db',
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'mediumseagreen': '#3cb371',
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'mediumslateblue': '#7b68ee',
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'mediumspringgreen': '#00fa9a',
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'mediumturquoise': '#48d1cc',
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'mediumvioletred': '#c71585',
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'midnightblue': '#191970',
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'mintcream': '#f5fffa',
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'mistyrose': '#ffe4e1',
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'moccasin': '#ffe4b5',
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'navajowhite': '#ffdead',
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'navy': '#000080',
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'oldlace': '#fdf5e6',
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'olive': '#808000',
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'olivedrab': '#6b8e23',
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'orange': '#ffa500',
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'orangered': '#ff4500',
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'orchid': '#da70d6',
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'palegoldenrod': '#eee8aa',
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'palegreen': '#98fb98',
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'paleturquoise': '#afeeee',
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'palevioletred': '#db7093',
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'papayawhip': '#ffefd5',
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'peachpuff': '#ffdab9',
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'peru': '#cd853f',
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'pink': '#ffc0cb',
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'plum': '#dda0dd',
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'powderblue': '#b0e0e6',
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'purple': '#800080',
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'red': '#ff0000',
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'rosybrown': '#bc8f8f',
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'royalblue': '#4169e1',
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'saddlebrown': '#8b4513',
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'salmon': '#fa8072',
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'sandybrown': '#f4a460',
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'seagreen': '#2e8b57',
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'seashell': '#fff5ee',
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'sienna': '#a0522d',
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'silver': '#c0c0c0',
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'skyblue': '#87ceeb',
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'slateblue': '#6a5acd',
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'slategray': '#708090',
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'slategrey': '#708090',
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'snow': '#fffafa',
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'springgreen': '#00ff7f',
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'steelblue': '#4682b4',
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'tan': '#d2b48c',
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'teal': '#008080',
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'thistle': '#d8bfd8',
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'tomato': '#ff6347',
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'turquoise': '#40e0d0',
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'violet': '#ee82ee',
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'wheat': '#f5deb3',
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'white': '#ffffff',
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'whitesmoke': '#f5f5f5',
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'yellow': '#ffff00',
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'yellowgreen': '#9acd32',
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}
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def normalize_colour(c):
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if not c:
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return None
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c = c.strip().lower()
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if c in CSS_COLOURS:
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return CSS_COLOURS[c]
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if re.match(r'^#?[0-9a-f]{3}([0-9a-f]{3})?$', c):
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if len(c) == 4:
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return c[0]+c[1]+c[1]+c[2]+c[2]+c[3]+c[3]
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return c
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raise ValueError('Unknown colour code: {}'.format(c))
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