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|
defmodule Nola.Plugins.Link.Image do
require Logger
@behaviour Nola.Plugins.Link
@impl true
def match(_, _), do: false
@impl true
def post_match(_url, "image/"<>_, _header, _opts) do
{:body, nil}
end
def post_match(_, _, _, _), do: false
@impl true
def post_expand(_url, bytes, _, opts) do
pil_process = Keyword.get(opts, :pil_process, {:pil, :"py@127.0.0.1"})
clip_ask_process = Keyword.get(opts, :clip_ask_process, {:clip_ask, :"py@127.0.0.1"})
img2txt_process = Keyword.get(opts, :img2txt_process, {:image_to_text_vit_gpt2, :"py@127.0.0.1"})
tasks = [
Task.async(fn ->
{:ok, pil} = GenServer.call(pil_process, {:run, bytes})
pil = pil
|> Enum.map(fn({k, v}) -> {String.to_atom(to_string(k)), v} end)
pil
end),
Task.async(fn ->
{:ok, descr} = GenServer.call(img2txt_process, {:run, bytes})
{:img2txt, to_string(descr)}
end),
Task.async(fn ->
{:ok, prompts} = GenServer.call(clip_ask_process, {:run, bytes})
prompts = prompts
|> Enum.sort_by(& elem(&1, 1), &>=/2)
|> Enum.take(3)
|> Enum.map(& to_string(elem(&1, 0)))
|> Enum.join(", ")
{:prompts, prompts}
end)
]
|> Task.yield_many(5000)
|> Enum.map(fn {task, res} ->
res || Task.shutdown(task, :brutal_kill)
end)
results = Enum.into(List.flatten(for({:ok, value} <- tasks, do: value)), Map.new)
img2txt = Map.get(results, :img2txt)
prompts = Map.get(results, :prompts)
pil = if Map.get(results, :width) do
animated = if Map.get(results, :animated), do: " animated", else: ""
"#{Map.get(results, :width, 0)}x#{Map.get(results, :height, 0)}#{animated} — "
else
""
end
descr = cond do
img2txt && prompts ->
"#{pil}#{prompts} — #{img2txt}"
img2txt ->
"#{pil}#{img2txt}"
prompts ->
"#{pil}#{prompts}"
pil != "" ->
"#{pil}"
true ->
nil
end
if descr do
{:ok, "image: #{descr}"}
else
:error
end
end
end
|
