mirror of
https://github.com/greflm13/StaticGalleryBuilder.git
synced 2026-02-05 11:09:26 +00:00
189 lines
8.2 KiB
Python
189 lines
8.2 KiB
Python
import re
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import colorsys
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from typing import Dict
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def extract_colorscheme(theme_path: str) -> Dict[str, str]:
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"""
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Extract color scheme from a CSS theme file.
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Parameters:
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-----------
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theme_path : str
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Path to the CSS theme file.
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Returns:
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--------
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Dict[str, str]
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Dictionary containing color scheme variables and their hexadecimal values.
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"""
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pattern = r"--(color[1-4]|bcolor1):\s*(#[0-9a-fA-F]+|rgba?\([^)]*\)|hsla?\([^)]*\)|[a-zA-Z]+);"
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colorscheme = {}
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with open(theme_path, "r", encoding="utf-8") as f:
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filecontent = f.read()
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matches = re.findall(pattern, filecontent)
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for match in matches:
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variable_name = match[0]
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color_value = match[1]
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hex_color_value = css_color_to_hex(color_value)
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colorscheme[variable_name] = hex_color_value
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return colorscheme
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def extract_theme_color(theme_path: str) -> str:
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"""
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Extract the theme color from a CSS theme file.
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Parameters:
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-----------
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theme_path : str
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Path to the CSS theme file.
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Returns:
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--------
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str
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The theme color value in hexadecimal format.
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"""
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pattern = r"--bcolor1:\s*(#[0-9a-fA-F]+);"
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with open(theme_path, "r", encoding="utf-8") as f:
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filecontent = f.read()
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match = re.search(pattern, filecontent)
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if match:
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color_value = match.group(1)
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hex_color_value = css_color_to_hex(color_value)
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return hex_color_value
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else:
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return ""
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def css_color_to_hex(css_color: str) -> str:
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"""
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Converts a CSS color string to its hexadecimal representation.
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Args:
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css_color (str): The CSS color string to convert.
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Returns:
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str: The hexadecimal representation of the CSS color.
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Raises:
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ValueError: If the input CSS color string is invalid or unrecognized.
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Example:
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>>> css_color_to_hex('#ff0000')
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'#ff0000'
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>>> css_color_to_hex('rgb(255, 0, 0)')
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'#ff0000'
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>>> css_color_to_hex('hsl(0, 100%, 50%)')
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'#ff0000'
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>>> css_color_to_hex('blue')
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'#0000ff'
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"""
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# Helper function to convert RGB tuple to hexadecimal string
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def rgb_to_hex(rgb: tuple[int, int, int]) -> str:
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return "#{:02x}{:02x}{:02x}".format(*rgb)
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# Helper function to convert HSL tuple to RGB tuple
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def hsl_to_rgb(hsl: tuple[int, float, float]) -> tuple[int, int, int]:
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return tuple(round(c * 255) for c in colorsys.hls_to_rgb(hsl[0] / 360, hsl[1] / 100, hsl[2] / 100))
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# Regular expression pattern to match CSS colors
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color_pattern = re.compile(
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r"^(?:(?P<hex>#(?:[0-9a-fA-F]{3}){1,2})|" # Hexadecimal colors
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r"(?P<rgb>rgba?\((?P<r>\d+%?),\s*(?P<g>\d+%?),\s*(?P<b>\d+%?)(?:,\s*(?P<a>\d*\.?\d+)?)?\))|" # RGB(a) colors
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r"(?P<hsl>hsla?\((?P<h>\d+),\s*(?P<s>\d+)%,\s*(?P<l>\d+)%(?:,\s*(?P<alpha>\d*\.?\d+)?)?\))|" # HSL(a) colors
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r"(?P<name>[a-zA-Z]+))$" # Named colors
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)
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match = color_pattern.match(css_color.strip())
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if not match:
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raise ValueError("Invalid CSS color format")
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groups = match.groupdict()
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if groups["hex"]:
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hex_color = groups["hex"]
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if len(hex_color) == 4: # Convert short hex to full hex
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hex_color = "".join([c * 2 for c in hex_color[1:]])
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return hex_color.lower()
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elif groups["rgb"]:
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r = int(groups["r"].rstrip("%")) * 255 // 100 if "%" in groups["r"] else int(groups["r"])
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g = int(groups["g"].rstrip("%")) * 255 // 100 if "%" in groups["g"] else int(groups["g"])
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b = int(groups["b"].rstrip("%")) * 255 // 100 if "%" in groups["b"] else int(groups["b"])
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a = float(groups["a"]) if groups["a"] else 1.0
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if a < 1.0:
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return rgb_to_hex((r, g, b)) + "{:02x}".format(round(a * 255))
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else:
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return rgb_to_hex((r, g, b))
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elif groups["hsl"]:
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h = int(groups["h"])
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s = int(groups["s"])
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l = int(groups["l"])
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a = float(groups["a"]) if groups["a"] else 1.0
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rgb_color = hsl_to_rgb((h, s, l))
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if a < 1.0:
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return rgb_to_hex(rgb_color) + "{:02x}".format(round(a * 255))
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else:
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return rgb_to_hex(rgb_color)
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# fmt: off
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elif groups['name']:
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named_colors = {
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'aliceblue': '#f0f8ff', 'antiquewhite': '#faebd7', 'aqua': '#00ffff',
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'aquamarine': '#7fffd4', 'azure': '#f0ffff', 'beige': '#f5f5dc',
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'bisque': '#ffe4c4', 'black': '#000000', 'blanchedalmond': '#ffebcd',
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'blue': '#0000ff', 'blueviolet': '#8a2be2', 'brown': '#a52a2a',
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'burlywood': '#deb887', 'cadetblue': '#5f9ea0', 'chartreuse': '#7fff00',
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'chocolate': '#d2691e', 'coral': '#ff7f50', 'cornflowerblue': '#6495ed',
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'cornsilk': '#fff8dc', 'crimson': '#dc143c', 'cyan': '#00ffff',
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'darkblue': '#00008b', 'darkcyan': '#008b8b', 'darkgoldenrod': '#b8860b',
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'darkgray': '#a9a9a9', 'darkgreen': '#006400', 'darkkhaki': '#bdb76b',
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'darkmagenta': '#8b008b', 'darkolivegreen': '#556b2f', 'darkorange': '#ff8c00',
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'darkorchid': '#9932cc', 'darkred': '#8b0000', 'darksalmon': '#e9967a',
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'darkseagreen': '#8fbc8f', 'darkslateblue': '#483d8b', 'darkslategray': '#2f4f4f',
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'darkturquoise': '#00ced1', 'darkviolet': '#9400d3', 'deeppink': '#ff1493',
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'deepskyblue': '#00bfff', 'dimgray': '#696969', 'dodgerblue': '#1e90ff',
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'firebrick': '#b22222', 'floralwhite': '#fffaf0', 'forestgreen': '#228b22',
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'fuchsia': '#ff00ff', 'gainsboro': '#dcdcdc', 'ghostwhite': '#f8f8ff',
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'gold': '#ffd700', 'goldenrod': '#daa520', 'gray': '#808080', 'green': '#008000',
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'greenyellow': '#adff2f', 'honeydew': '#f0fff0', 'hotpink': '#ff69b4',
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'indianred': '#cd5c5c', 'indigo': '#4b0082', 'ivory': '#fffff0',
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'khaki': '#f0e68c', 'lavender': '#e6e6fa', 'lavenderblush': '#fff0f5',
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'lawngreen': '#7cfc00', 'lemonchiffon': '#fffacd', 'lightblue': '#add8e6',
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'lightcoral': '#f08080', 'lightcyan': '#e0ffff', 'lightgoldenrodyellow': '#fafad2',
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'lightgray': '#d3d3d3', 'lightgreen': '#90ee90', 'lightpink': '#ffb6c1',
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'lightsalmon': '#ffa07a', 'lightseagreen': '#20b2aa', 'lightskyblue': '#87cefa',
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'lightslategray': '#778899', 'lightsteelblue': '#b0c4de', 'lightyellow': '#ffffe0',
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'lime': '#00ff00', 'limegreen': '#32cd32', 'linen': '#faf0e6', 'magenta': '#ff00ff',
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'maroon': '#800000', 'mediumaquamarine': '#66cdaa', 'mediumblue': '#0000cd',
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'mediumorchid': '#ba55d3', 'mediumpurple': '#9370db', 'mediumseagreen': '#3cb371',
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'mediumslateblue': '#7b68ee', 'mediumspringgreen': '#00fa9a',
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'mediumturquoise': '#48d1cc', 'mediumvioletred': '#c71585', 'midnightblue': '#191970',
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'mintcream': '#f5fffa', 'mistyrose': '#ffe4e1', 'moccasin': '#ffe4b5',
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'navajowhite': '#ffdead', 'navy': '#000080', 'oldlace': '#fdf5e6', 'olive': '#808000',
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'olivedrab': '#6b8e23', 'orange': '#ffa500', 'orangered': '#ff4500',
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'orchid': '#da70d6', 'palegoldenrod': '#eee8aa', 'palegreen': '#98fb98',
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'paleturquoise': '#afeeee', 'palevioletred': '#db7093', 'papayawhip': '#ffefd5',
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'peachpuff': '#ffdab9', 'peru': '#cd853f', 'pink': '#ffc0cb', 'plum': '#dda0dd',
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'powderblue': '#b0e0e6', 'purple': '#800080', 'rebeccapurple': '#663399',
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'red': '#ff0000', 'rosybrown': '#bc8f8f', 'royalblue': '#4169e1', 'saddlebrown': '#8b4513',
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'salmon': '#fa8072', 'sandybrown': '#f4a460', 'seagreen': '#2e8b57', 'seashell': '#fff5ee',
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'sienna': '#a0522d', 'silver': '#c0c0c0', 'skyblue': '#87ceeb', 'slateblue': '#6a5acd',
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'slategray': '#708090', 'snow': '#fffafa', 'springgreen': '#00ff7f', 'steelblue': '#4682b4',
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'tan': '#d2b48c', 'teal': '#008080', 'thistle': '#d8bfd8', 'tomato': '#ff6347',
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'turquoise': '#40e0d0', 'violet': '#ee82ee', 'wheat': '#f5deb3', 'white': '#ffffff',
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'whitesmoke': '#f5f5f5', 'yellow': '#ffff00', 'yellowgreen': '#9acd32'
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}
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return named_colors[groups['name'].lower()]
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# fmt: on
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raise ValueError("Invalid CSS color format")
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