feat(palette): sixteen ANSI colour ladders, cycled with c

beefy_player/config.py

@@ -26,6 +26,7 @@ from pathlib import Path
 from typing import Any
 
 from . import __version__
+from .palettes import DEFAULT_PALETTE, PALETTES
 
 #: Directory name for config, cache and runtime files.
 APP_NAME = "beefy-player"
@@ -72,6 +73,9 @@ LEGACY_CONFIG_PATH = _xdg("XDG_CONFIG_HOME", ".config") / LEGACY_APP_NAME / "con
 
 VISUALIZERS = ("both", "bars", "wave", "waterfall", "radial", "braille")
 
+#: Colour palettes the UI can draw with (see :mod:`beefy_player.palettes`).
+PALETTE_NAMES = tuple(PALETTES)
+
 
 def channels_cache_path(provider_id: str) -> Path:
     """Where a catalogue caches its last good station list.
@@ -141,6 +145,8 @@ class Config:
     last_stations: dict[str, str] = field(default_factory=dict)
     volume: int = 70
     visualizer: str = "both"
+    #: Colour palette name — spectrum, ocean, ember, …
+    palette: str = DEFAULT_PALETTE
     autoplay: bool = False
     #: Which catalogue to use by default (see :mod:`beefy_player.providers`).
     provider: str = "somafm"
@@ -181,6 +187,10 @@ class Config:
         if visualizer in VISUALIZERS:
             config.visualizer = visualizer
 
+        palette = raw.get("palette")
+        if isinstance(palette, str) and palette in PALETTE_NAMES:
+            config.palette = palette
+
         provider = raw.get("provider")
         if isinstance(provider, str) and provider.strip():
             config.provider = provider.strip().lower()