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Merge pull request #616 from wpferguson/fix_multi_os

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examples/multi_os - replaced ufraw-batch with exiftool
This commit is contained in:
wpferguson
2025-12-07 14:18:29 -05:00
committed by GitHub
parent f83ac1366a df78522a79
commit 7f09e55525
1 changed files with 44 additions and 9 deletions
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53
examples/multi_os.lua
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@@ -29,8 +29,7 @@
by hovering over the image and pressing the key combination.
ADDITIONAL SOFTWARE NEEDED FOR THIS SCRIPT
* ufraw-batch - https://ufraw.sourceforge.net
MacOS - install with homebrew
* exiftool - https://exiftool.org
USAGE
* require this script from your main lua file
@@ -44,6 +43,7 @@
* Send to Bill Ferguson, wpferguson@gmail.com
CHANGES
20251205 - replaced ufraw-batch with exiftool
]]
--[[
@@ -139,6 +139,36 @@ local function copy_image_attributes(from, to, ...)
end
end
local function check_file_size(img_name)
local result = 0
if dt.configuration.running_os == "windows" then
local path = df.get_path(img_name)
local fname = df.get_filename(img_name)
local p = io.open("forfiles /P " .. path .. " /M " .. fname .. " /C \"cmd /c echo $fsize\"")
if p then
for line in p:lines() do
if line:length() > 5 then
result = tonumber(line)
end
end
p:close()
end
else
local p = io.popen("ls -s " .. img_name)
if p then
local line = p:read("*a")
result = tonumber(du.split(line, " ")[1])
p:close()
end
end
return result
end
--[[
The main function called from the button or the shortcut. It takes one or more raw files, passed
in a table and extracts the embedded jpeg images
@@ -152,11 +182,12 @@ local function extract_embedded_jpeg(images)
in the user's path. When it finds the executable, it returns the command to run it.
]]
local ufraw_executable = df.check_if_bin_exists("ufraw-batch")
if ufraw_executable then
local exiftool_executable = df.check_if_bin_exists("exiftool")
if exiftool_executable then
for _, image in ipairs(images) do
if image.is_raw then
local img_file = du.join({image.path, image.filename}, "/")
local img_file = tostring(image)
local jpg_img_file = string.gsub(img_file, "%....$", ".jpg")
--[[
dtsys.external_command() is operating system aware and formats the command as necessary.
@@ -164,8 +195,12 @@ local function extract_embedded_jpeg(images)
operating system aware and uses the corresponding quotes.
]]
if dtsys.external_command(ufraw_executable .. " --silent --embedded-image " .. df.sanitize_filename(img_file)) then
local jpg_img_file = df.chop_filetype(img_file) .. ".embedded.jpg"
if dtsys.external_command(exiftool_executable .. " -b -JpgFromRaw " .. df.sanitize_filename(img_file) .. " > " .. df.sanitize_filename(jpg_img_file)) then
dt.print_log("created jpg from raw")
if check_file_size(df.sanitize_filename(jpg_img_file)) == 0 then
dt.print_log("using preview")
dtsys.external_command(exiftool_executable .. " -b -PreviewImage " .. df.sanitize_filename(img_file) .. " > " .. df.sanitize_filename(jpg_img_file))
end
dt.print_log("jpg_img_file set to ", jpg_img_file) -- print a debugging message
local myimage = dt.database.import(jpg_img_file)
myimage:group_with(image.group_leader)
@@ -188,8 +223,8 @@ local function extract_embedded_jpeg(images)
end
end
else
dt.print_error("ufraw-batch not found. Exiting...") -- print debugging error message
dt.print("ufraw-batch not found, exiting...") -- print the error to the screen
dt.print_error("exiftool not found. Exiting...") -- print debugging error message
dt.print("exiftool not found, exiting...") -- print the error to the screen
end
end