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fix(scripts): scroll_speeds.py recommends keys the resolver honours

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The ladder ended by telling users to set
display_options.scroll_pixels_per_second. scroll_config ranks that key
below the scroll_speed + scroll_delay pair, deliberately, and several
plugin schemas default the pair into config, so the advised key was
silently ignored (a schema-default 1/0.02 pair plus an advised 66 still
resolved to 50 px/s).

The advice is now the pair that selects the crisp speed exactly
(pixels_per_frame every frame_hold/refresh seconds), explains that the
pair outranks scroll_pixels_per_second, and gives the scoreboards'
per-league scroll_settings.scroll_speed (px/s) form. Tests resolve the
printed pair over a schema-default pair and check it lands on the
advertised speed and hold.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Chuck
2026-09-17 09:01:22 -04:00
co-authored by Claude Opus 5
parent f867fafa08
commit d7d73935cf
2 changed files with 78 additions and 3 deletions
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scripts/scroll_speeds.py
+32 -3
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@@ -190,9 +190,38 @@ def print_ladder(hz, highlight=None):
) else ""
print(" " + entry.describe() + mark)
print("")
print("Set one in config.json as pixels per second, e.g.")
print(' "display_options": {{"scroll_pixels_per_second": {:.0f}}}'.format(
scroll_config.solve_crisp(highlight if highlight else hz / 2, hz).pixels_per_second))
print_config_advice(scroll_config.solve_crisp(highlight if highlight else hz / 2, hz))
def config_advice(choice):
"""The config that selects ``choice``, in the keys the resolver honours.
Tickers take a ``scroll_speed`` (px per step) + ``scroll_delay`` (seconds)
pair, and scroll_config ranks that pair ABOVE ``scroll_pixels_per_second``
-- deliberately, because some plugins give the flat key a schema default.
Many schemas default the pair too, so a flat key added by hand is usually
ignored. Advise the pair: pixels_per_frame every frame_hold/refresh
seconds is exactly the crisp speed.
"""
pair = {
"scroll_speed": choice.pixels_per_frame,
"scroll_delay": round(choice.frame_hold / choice.refresh_hz, 6),
}
scoreboard = {"scroll_speed": round(choice.pixels_per_second, 2)}
return pair, scoreboard
def print_config_advice(choice):
pair, scoreboard = config_advice(choice)
print("To use {:.1f} px/s, set it where the plugin keeps its scroll speed.".format(
choice.pixels_per_second))
print("Tickers take a scroll_speed (px per step) + scroll_delay (seconds) pair:")
print(' "display_options": {}'.format(json.dumps(pair)))
print("(some plugins keep the pair at the top level or under \"display\").")
print("The pair outranks scroll_pixels_per_second, which is ignored whenever the")
print("pair is present -- and schema defaults usually put it there.")
print("Sports scoreboards take pixels per second per league instead:")
print(' "scroll_settings": {}'.format(json.dumps(scoreboard)))
def main():