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Defaults.py
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Defaults.py
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import re
from collections import namedtuple
from random import randint, uniform, choice
from acrylic.color_names import color_names
Rgb = namedtuple('Rgb', 'r g b')
Hsl = namedtuple('Hsl', 'h s l')
Hsv = namedtuple('Hsv', 'h s v')
Ryb = namedtuple('Ryb', 'r y b')
Schema = namedtuple(
'Schema',
'format names length rng input_type output_type validation_type'
)
RANDOM = -1
PRECISION = 2
SCHEMAS = {
'rgb': Schema(
format=Rgb((0, 255), (0, 255), (0, 255)),
names=Rgb('red', 'green', 'blue'),
length=3,
rng=lambda a, b: randint(a, b),
input_type=int,
output_type=Rgb,
validation_type='values',
),
'hsl': Schema(
format=Hsl((0, 360.0), (0, 100.0), (0, 100.0)),
names=Hsl('hue', 'saturation', 'lightness'),
length=3,
rng=lambda a, b: round(uniform(a, b), PRECISION),
input_type=float,
output_type=Hsl,
validation_type='values',
),
'hsv': Schema(
format=Hsv((0, 360.0), (0, 100.0), (0, 100.0)),
names=Hsv('hue', 'saturation', 'value'),
length=3,
rng=lambda a, b: round(uniform(a, b), PRECISION),
input_type=float,
output_type=Hsv,
validation_type='values',
),
'ryb': Schema(
format=Ryb((0, 255), (0, 255), (0, 255)),
names=Rgb('red', 'yellow', 'blue'),
length=3,
rng=lambda a, b: randint(a, b),
input_type=int,
output_type=Ryb,
validation_type='values',
),
'hex': Schema(
format=re.compile(r''.join([
'^#?(?:0x)?(?:', # optional '#' or '0x'
'(?P<hex>[0-9a-fA-F]{6})|', # -> #12bc56
'(?P<hex_short>[0-9a-fA-F]{3})|', # -> #1b5
'(?:(?P<hex_alpha>[0-9a-fA-F]{6})[0-9a-fA-F]{2})', # -> #12bc56FF
')$'
])),
names=tuple(),
length=0,
rng='#' + ''.join(choice('0123456789ABCDEF') for _ in range(6)),
input_type=str,
output_type=lambda x: f'#{x.upper()}',
validation_type='string',
),
'name': Schema(
format=color_names,
names=tuple(),
length=0,
rng=choice(list(color_names.keys())),
input_type=str,
output_type=str,
validation_type='string',
),
}