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fnord lib spinner.ex
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lib/spinner.ex

defmodule Spinner do
alias Settings
alias Services.Globals
@spinner_id :fnord
@bullshit_rotation_interval 2500
@bullshit_sf_phrases [
"Reversing the polarity of the context window",
"Recalibrating the embedding matrix flux",
"Initializing quantum token shuffler",
"Stabilizing token interference",
"Aligning latent vector manifold",
"Charging semantic field resonator",
"Inverting prompt entropy",
"Redirecting gradient descent pathways",
"Synchronizing the decoder attention",
"Calibrating neural activation dampener",
"Polarizing self-attention mechanism",
"Recharging photonic energy in the deep learning nodes",
"Fluctuating the vector space harmonics",
"Boosting the backpropagation neutrino field",
"Cross-referencing the hallucination core",
"Reticulating splines"
]
@spec run(fun :: (-> {String.t() | nil, any}), label :: iodata()) :: any
def run(fun, label) do
Process.put(:stop_label, "Done")
try do
# Attempt to print label; ignore if Owl.IO.puts not available
unless Globals.get_env(:fnord, :quiet, false) do
try do
Owl.IO.puts(label)
rescue
_ -> :noop
catch
:exit, :noproc -> :noop
_, _ -> :noop
end
end
unless Globals.get_env(:fnord, :quiet, false) do
# Attempt to start spinner; ignore if spinner not available
try do
Owl.Spinner.start(id: @spinner_id)
rescue
_ -> :noop
catch
:exit, :noproc -> :noop
_, _ -> :noop
end
end
start_label_changer()
{msg0, result} = fun.()
Process.put(:stop_label, if(is_nil(msg0), do: "Done", else: msg0))
result
after
# Always attempt to stop spinner to avoid leaks
try do
Owl.Spinner.stop(id: @spinner_id, resolution: :ok, label: Process.get(:stop_label))
rescue
_ -> :noop
catch
:exit, :noproc -> :noop
_, _ -> :noop
end
end
end
@spec start_label_changer() :: {:ok, pid()}
defp start_label_changer() do
Task.start(fn ->
phrases = Enum.shuffle(@bullshit_sf_phrases)
try do
Enum.each(phrases, fn phrase ->
try do
Owl.Spinner.update_label(id: @spinner_id, label: phrase)
Process.sleep(@bullshit_rotation_interval)
rescue
_ -> :noop
catch
:exit, :noproc -> throw(:stop)
_, _ -> :noop
end
end)
# Restart the cycle after completing the list
start_label_changer()
catch
:stop -> :ok
end
end)
end
end