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generate_named_colors.py
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generate_named_colors.py
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import urllib.request
import json
import unicodedata
def format_hex(s: str):
s = s.replace("#", "").upper()
if len(s) == 3:
s = s[0] + s[0] + s[1] + s[1] + s[2] + s[2]
assert(len(s) == 6)
return s
def format_name(s: str):
return unicodedata.normalize('NFKD', s
.replace(" ", "")
.replace("(", "")
.replace(")", "")
.replace("-", "")
.replace("/", "")
.replace("'", "")
.replace("#", "")
.replace("&", "")
.replace(".", "")
).encode('ascii', 'ignore').decode('ascii')
# Load colors data
colors_json = json.loads(urllib.request.urlopen(
"https://raw.githubusercontent.com/mralexgray/color-names/json/output/colors.json"
).read())
# Format name and hex
for color in colors_json.values():
color['name'] = format_name(color['name'])
color['hex'] = format_hex(color['hex'])
# Add spaces to align all the colors values
max_length = max(map(lambda color: len(color['name']), colors_json.values()))
for color in colors_json.values():
color['name'] += ' ' * (max_length - len(color['name']))
# Generate colors list
colors_list = ""
for color in colors_json.values():
colors_list += f"static constexpr Color {color['name']} = hex(0x{color['hex']});\n"
# Generate final C++ code
cpp_code = """// This file was auto-generated by generate_named_colors.py
// Please don't edit the file directly, go to the script!
#pragma once
#include "Color.h"
namespace p6::NamedColor {
%s
} // namespace p6::NamedColor
""" % colors_list
# Write to file
with open('src/NamedColor.h', 'w') as f:
f.write(cpp_code)