def _filter_color(color):
if color is None:
return None
try:
return Style256._color_table[color]
except KeyError:
pass
c = Color.from_string(color).rgb_channels(as_floats=True)
return min(Style256._rgb_color_table.items(),
key=lambda item: color_distance(item[0][0], item[0][1],
item[0][2], *c))[1]
class Style256(AbstractStyle):
"""256-color style.
Accepts any rgb color in hex format, for instance:
.. code-block:: pycon
>>> Style256(color='#abcdef')
Or by css name:
.. code-block:: pycon
>>> Style256(color='chocolate')
In case of a color being outside of standard xterm 256 color palette,
it'll try to locate the closest color in it.
"""
_color_table = {v: k for k, v in _MAP256.items()}
_rcolor_table = _MAP256
_rgb_color_table = {
Color.from_string(v).rgb_channels(as_floats=True): k
for k, v in _MAP256.items()
}
@staticmethod
@functools.lru_cache(500)
def _filter_color(color):
if color is None:
return None
try:
return Style256._color_table[color]
except KeyError:
pass
c = Color.from_string(color).rgb_channels(as_floats=True)
return min(
Style256._rgb_color_table.items(),
key=lambda item: color_distance(item[0][0], item[0][1],
item[0][2], *c))[1]