Files
llm-tricks/synopsis_generator.lua
T

130 lines
3.6 KiB
Lua
Executable File

#!/usr/bin/env luajit
package.path = (arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)")) .. "lib" .. package.config:sub(1, 1) .. "?.lua;" .. package.path
local utility = require "utility"
local json = utility.require("dkjson")
local default_model = "gemma4:12b-mlx"
local minimum_bytes = 1000
local maximum_bytes = 40000
local read_all = function(file_name)
return utility.open(file_name, "r", function(file)
return file:read("*all")
end)
end
local write_all = function(file_name, text)
return utility.open(file_name, "w", function(file)
file:write(text)
file:write("\n")
end)
end
-- strip YAML frontmatter (if present)
-- can error, will return nil & error message
local function strip_frontmatter(text)
local tab = text:split("\n")
if tab[1] == "---" then
table.remove(tab, 1)
while true do
local done = tab[1] == "---"
table.remove(tab, 1)
if done then
return table.concat(tab, "\n")
elseif #tab < 1 then
return nil, "Invalid YAML frontmatter."
end
end
end
return text
end
local strip_reasoning = function(text, reasoning_lines)
if not reasoning_lines then reasoning_lines = {} end
local tab = text:split("\n")
table.remove(tab, 1) -- remove "Thinking..."
while true do
local done = tab[1] == "...done thinking."
local line = table.remove(tab, 1)
if done then
table.remove(tab, 1) -- remove newline after end of thinking
return table.concat(tab, "\n")
elseif #tab < 1 then
return text -- no reasoning output
else
reasoning_lines[#reasoning_lines + 1] = line -- export thinking lines
end
end
end
local send_prompt = function(text, model)
if type(text) == "table" then text = table.concat(text, "\n") end
local tmp_file_name = utility.tmp_file_name()
utility.open(tmp_file_name, "w", function(file)
file:write(text)
end)
-- word wrap breaks the raw output badly, so I need to implement my own for terminal output somehow
local output = utility.capture_safe("cat " .. tmp_file_name:enquote() .. " | ollama run " .. (model or default_model) .. " --nowordwrap")
os.execute("ollama stop " .. (model or default_model)) -- NOTE this makes things slower, but more stable
os.execute("rm " .. tmp_file_name)
if not output then error("ollama failed to generate output") end
output = output:sub(1, -2) -- strip extra newline from utility.capture_safe
output = strip_reasoning(output)
return output
end
local tree
tree = function(path, fn)
utility.list(path or ".", function(path_name)
local blacklist = {
[".git"] = true,
[".gitkeep"] = true,
[".gitignore"] = true,
[".DS_Store"] = true,
}
if blacklist[path_name] then return end
if utility.is_file(path_name) then
fn(path_name)
else
tree(path .. utility.path_separator .. path_name, fn)
end
end)
end
local get_file_size = function(file_name)
local file = io.open(file_name, "rb")
if file then
local size = file:seek("end")
file:close()
return size
end
end
local files = {}
tree("PRIVATE_DATA/notebook", function(file_name)
-- local file_size = get_file_size(file_name)
-- if file_size > 0 and file_size <= maximum_bytes then
-- files[#files + 1] = file_name
-- end
files[#files + 1] = file_name
end)
print(#files .. " files to select from.")
-- print(files[math.random(1, #files)] .. " chosen.")
while true do
print("Selecting a file...")
local file_name = files[math.random(1, #files)]
local file_size = get_file_size(file_name)
if file_size > 0 and file_size <= maximum_bytes then
print(file_name .. " chosen.")
os.exit(0)
end
end