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subtitle downloader is better

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Tangent / Rose / Nebula Rosa 2024-02-20 01:23:37 -07:00
parent bfc44da3d3
commit b962dacf7b
1 changed files with 41 additions and 8 deletions
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49
download-subtitles.lua
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@ -1,12 +1,45 @@
local source = "URL"
#!/usr/bin/env luajit
os.execute("yt-dlp --flat-playlist --print-to-file \"%(id)s\" download-list.txt --skip-download \"" .. source .. "\"")
os.execute("yt-dlp --flat-playlist --print-to-file \"%(id)s=%(title)s\" VIDEO-TITLES.txt --skip-download \"" .. source .. "\"")
local source = arg[1]
assert(source and #source > 0, "Specify a URL!")
local function make_safe(file_name)
-- return file_name:gsub("[%w%s%_%-%,%.%[%]%(%)%'%+]", "") -- this is the literal opposite of what I needed, oops
-- return file_name:gsub("[%\"%:%\\%!%@%#%$%%%^%&%*%=%{%}%|%;%<%>%?%/]", "") -- this should handle everything but I'm not certain! :D
file_name = file_name:gsub("[%\"%:%\\%!%@%#%$%%%^%*%=%{%}%|%;%<%>%?%/]", "") -- everything except the &
file_name = file_name:gsub(" %&", ",") -- replacing & with a comma works for 99% of things
file_name = file_name:gsub("%&", ",") -- replacing & with a comma works for 99% of things
file_name = file_name:gsub("[%s+]", " ") -- more than one space in succession should be a single space
return file_name
end
local function download_subtitle(id, file_name)
os.execute("sleep 6") -- up-front in case chromium isn't ready / delay from previous download to prevent rate limit issues
os.execute("chromium \"https://www.downloadyoutubesubtitles.com/?u=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D" .. id .. "\"")
os.execute("sleep 12")
os.execute("curl \"https://www.downloadyoutubesubtitles.com/get2.php?i=" .. id .. "&format=txt&hl=en&a=\" > \"./subtitles/" .. (file_name or id) .. ".txt\"")
end
os.execute("pwsh -command chromium") -- open browser first, to make sure it is ready by the time we start using it
os.execute("yt-dlp --flat-playlist --print-to-file \"%(id)s=%(title)s\" videos.txt --skip-download \"" .. source .. "\"")
os.execute("mkdir subtitles")
for line in io.lines("download-list.txt") do
os.execute("chromium \"https://www.downloadyoutubesubtitles.com/?u=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D" .. line .. "\"")
os.execute("sleep 12")
os.execute("curl \"https://www.downloadyoutubesubtitles.com/get2.php?i=" .. line .. "&format=txt&hl=en&a=\" > \"./subtitles/" .. line .. ".txt\"")
os.execute("sleep 6")
local videos = {}
local file = io.open("videos.txt", "r")
assert(file, "videos.txt doesn't exist.. somehow")
for line in file:lines() do
local i, j = line:find("%=")
videos[#videos + 1] = {
id = line:sub(1, i - 1),
title = line:sub(j + 1),
}
end
file:close()
for index, video in ipairs(videos) do
print(index, #videos, video.title)
download_subtitle(video.id, make_safe(video.title))
end