Modifed script_manager to handle embedding the lua-scripts in the darktable release. Lua API 9.7.0 starts script_manager from the lua init module. script_manager takes care of running the user luarc file if it exists

examples/multi_os - replaced ufraw-batch with exiftool

contrib/ext_editor.lua

@@ -328,7 +328,7 @@ local function export2collection(storage, image_table, extra_data)
 
     -- create unique filename
     new_name = image.path..PS..df.get_filename(temp_name)
-    new_name = df.create_unique_filename(new_name)
+    new_name = df.sanitize_filename(df.create_unique_filename(new_name))
 
     -- move image to collection folder, check result, return if error
     move_success = df.file_move(temp_name, new_name)

examples/multi_os.lua

@@ -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
 

lib/dtutils/string.lua

@@ -542,11 +542,14 @@ local PLACEHOLDERS = {"ROLL.NAME",
                       "FILE.FOLDER", 
                       "FILE.NAME",
                       "FILE.EXTENSION", 
-                      "ID", 
+                      "ID",
+                      "IMAGE.ID",
+                      "IMAGE.ID.NEXT",
                       "VERSION", 
                       "VERSION.IF.MULTI",
                       "VERSION.NAME",
                       "DARKTABLE.VERSION",
+                      "Xmp.darktable.version",
                       "DARKTABLE.NAME",           -- Not Implemented
                       "SEQUENCE",
                       "WIDTH.SENSOR",
@@ -612,10 +615,15 @@ local PLACEHOLDERS = {"ROLL.NAME",
                       "LABELS",
                       "LABELS.ICONS",             -- Not Implemented 
                       "TITLE",
+                      "Xmp.dc.title",
                       "DESCRIPTION",
+                      "Xmp.dc.description",
                       "CREATOR", 
+                      "Xmp.dc.creator",
                       "PUBLISHER", 
+                      "Xmp.dc.publisher",
                       "RIGHTS", 
+                      "Xmp.dc.rights",
                       "TAGS",                     -- Not Implemented
                       "SIDECAR.TXT",              -- Not Implemented
                       "FOLDER.PICTURES",
@@ -652,6 +660,37 @@ local function get_colorlabels(image)
   return labels 
 end
 
+-- handle the ROLL.NAME[n] case
+
+local function build_rollname_substitution_list(image, variable_string)
+  local old_log_level = log.log_level()
+  log.log_level(dtutils_string.log_level)
+
+  for match in string.gmatch(variable_string, "%$%(.-%)?%)") do -- grab each complete variable 
+    log.msg(log.info, "match is " .. match)
+
+    local var = string.match(match, "%$%((.-%)?)%)")  -- strip of the leading $( and trailing )
+    log.msg(log.info, "var is " .. var)
+
+    local element = nil
+
+    if string.match(var, "ROLL.NAME%[") then
+      element = string.match(var, "%[(%d)%]")
+
+      local path = du.split(image.film.path, dt.configuration.running_os ~= "windows" and "/" or "\\")
+
+      element = tonumber(element) + 1 -- add one because c arrays are 0 based and lua are 1 based
+      
+      if element > #path then
+        log.msg(log.warn, "ROLL.NAME element requested was more than number of elements in film roll")
+        substitutes[var] = ""
+      else
+        substitutes[var] = path[(#path + 1) - element]
+      end
+    end
+  end
+end
+
 -- find the $CATEGORYn and $CATEGORY[n,m] requests and add them to the substitute list
 
 local function build_category_substitution_list(image, variable_string)
@@ -768,10 +807,13 @@ function dtutils_string.build_substitute_list(image, sequence, variable_string,
                         dtutils_string.get_basename(image.filename),-- FILE.NAME
                         dtutils_string.get_filetype(image.filename),-- FILE.EXTENSION
                         image.id,                              -- ID
+                        image.id,                              -- IMAGE.ID
+                        dt.database[#dt.database].id + 1,      -- IMAGE.ID.NEXT
                         image.duplicate_index,                 -- VERSION
                         version_multi,                         -- VERSION.IF_MULTI
                         image.version_name and image.version_name or "", -- VERSION.NAME
                         dt.configuration.version,              -- DARKTABLE.VERSION
+                        dt.configuration.version,              -- Xmp.darktable.version
                         "",                                    -- DARKTABLE.NAME
                         string.format("%04d", sequence),       -- SEQUENCE
                         image.width,                           -- WIDTH.SENSOR
@@ -837,10 +879,15 @@ function dtutils_string.build_substitute_list(image, sequence, variable_string,
                         labels,                                -- LABELS
                         "",                                    -- LABELS.ICONS - wont be implemented
                         image.title and image.title or "",     -- TITLE
+                        image.title and image.title or "",     -- Xmp.dc.title
                         image.description and image.description or "", -- DESCRIPTION
+                        image.description and image.description or "", -- Xmp.dc.description
                         image.creator and image.creator or "",  -- CREATOR
+                        image.creator and image.creator or "",  -- Xmp.dc.creator
                         image.publisher and image.publisher or "", -- PUBLISHER
+                        image.publisher and image.publisher or "", -- Xmp.dc.publisher
                         image.rights and image.rights or "",   -- RIGHTS
+                        image.rights and image.rights or "",   -- Xmp.dc.rights
                         "",                                    -- TAGS - wont be implemented
                         "",                                    -- SIDECAR.TXT - wont be implemented
                         pictures_folder,                       -- FOLDER.PICTURES
@@ -862,6 +909,7 @@ function dtutils_string.build_substitute_list(image, sequence, variable_string,
   -- do category substitutions separately
 
   build_category_substitution_list(image, variable_string)
+  build_rollname_substitution_list(image, variable_string)
 
   log.log_level(old_log_level)
 end
@@ -889,10 +937,13 @@ function dtutils_string.get_substitution_tooltip()
           _("$(FILE.NAME) - basename of the input image"),
           _("$(FILE.EXTENSION) - extension of the input image"),
           _("$(ID) - image ID"),
+          _("$(IMAGE.ID) - image ID"),
+          _("$(IMAGE.ID.NEXT) - next image ID to be assigned on import"),
           _("$(VERSION) - duplicate version"),
           _("$(VERSION.IF_MULTI) - same as $(VERSION) but null string if only one version exists"),
           _("$(VERSION.NAME) - version name from metadata"),
           _("$(DARKTABLE.VERSION) - current darktable version"),
+          _("$(Xmp.darktable.version) - current darktable version"),
           -- _("$(DARKTABLE.NAME) - darktable name"),  -- not implemented
           _("$(SEQUENCE[n,m]) - sequence number, n: number of digits, m: start number"),
           _("$(WIDTH.SENSOR) - image sensor width"),
@@ -957,10 +1008,15 @@ function dtutils_string.get_substitution_tooltip()
           _("$(LABELS) - color labels as text"),
           -- _("$(LABELS.ICONS) - color labels as icons"),-- not implemented
           _("$(TITLE) - title from metadata"),
+          _("$(Xmp.dc.title) - title from metadata"),
           _("$(DESCRIPTION) - description from metadata"),
+          _("$(Xmp.dc.description) - description from metadata"),
           _("$(CREATOR) - creator from metadata"),
+          _("$(Xmp.dc.creator) - creator from metadata"),
           _("$(PUBLISHER) - publisher from metadata"),
+          _("$(Xmp.dc.publisher) - publisher from metadata"),
           _("$(RIGHTS) - rights from metadata"),
+          _("$(Xmp.dc.rights) - rights from metadata"),
           --_("$(TAGS) - tags as set in metadata settings"),
           _("$(CATEGORY[n,category]) - subtag of level n in hierarchical tags"),
           _("$(SIDECAR_TXT) - contents of .txt sidecar file, if present"),
@@ -1010,6 +1066,11 @@ local function treat(var_string)
     if not ret_val then ret_val = "" end
     log.msg(log.info, "ret_val is " .. ret_val)
 
+  elseif string.match(var_string, "ROLL.NAME%[") then
+    ret_val = substitutes[var_string]
+    if not ret_val then ret_val = "" end
+    log.msg(log.info, "ret_val is " .. ret_val)
+
   elseif string.match(var_string, "SEQUENCE%[") then
     local width, start = string.match(var_string, "(%d+),(%d+)")
     local seq_val = tonumber(substitutes[var])
@@ -1243,6 +1304,49 @@ function dtutils_string.substitute(image, sequence, variable_string, username, p
   return str
 end
 
+dtutils_string.libdoc.functions["format_exposure"] = {
+  Name = [[format_exposure]],
+  Synopsis = [[format exif_exposure from dt_lua_image_t to an exposure time]],
+  Usage = [[local ds = require "lib/dtutils.string"
+    ds.format_exposure(image.exif_exposure)
+      image.exif_exposure - dt_lua_image_t exif exposure field
+  Description = [[format_exposure takes the EXIF exposure field and formats it into an exposure string]],
+  Return_Value = [[result - string - the EXIF exposure formatted as an exposure string]],
+  Limitations = [[]],
+  Example = [[]],
+  See_Also = [[https://docs.darktable.org/usermanual/4.6/en/special-topics/variables/]],
+  Reference = [[]],
+  License = [[]],
+  Copyright = [[]],
+}
 
+local function _nearbyintf(v)
+  return math.floor(v + .5)
+end
+
+function dtutils_string.format_exposure(exif_exposure)
+  result = nil
+
+  if exif_exposure > 1.0 then
+    if _nearbyintf(exif_exposure) == exif_exposure then
+      result = string.format("%.0f″", exif_exposure)
+    else
+      result = string.format("%.1f″", exif_exposure)
+    end
+  -- catch everything below 0.3 seconds
+  elseif exif_exposure < 0.2 then
+    result = string.format("1/%.0f", 1.0 / exif_exposure)
+  -- catch 1/2, 1/3, ...
+  elseif _nearbyintf(1.0 / exif_exposure) == (1.0 / exif_exposure) then
+    result = string.format("1/%.0f", 1.0 / exif_exposure)
+  -- catch 1/1.3, 1/1.6, ...
+  elseif (10 * _nearbyintf(10.0 / exif_exposure)) == _nearbyintf(100.0 / exif_exposure) then
+    result = string.format("1/%.1f", 1.0 / exif_exposure)
+  else
+    result = string.format("%.1f″", exif_exposure)
+  end
+
+  return result
+end
 
 return dtutils_string

tools/script_manager.lua

@@ -54,7 +54,7 @@ local df = require "lib/dtutils.file"
 local ds = require "lib/dtutils.string"
 local dtsys = require "lib/dtutils.system"
 local log = require "lib/dtutils.log"
-local debug = require "darktable.debug"
+local dtdebug = require "darktable.debug"
 
 local gettext = dt.gettext.gettext
 
@@ -62,6 +62,21 @@ local function _(msgid)
     return gettext(msgid)
 end
 
+-- figure out where we are running from
+
+local info = debug.getinfo(1, "S")
+local scripts_path = info.source:sub(2)
+
+dt.print_log("scripts path is " .. scripts_path)
+
+-- assume user based
+local system_based = false
+
+if string.match(scripts_path, dt.configuration.data_dir) then
+  dt.print_log("script_manager using system based scripts")
+  system_based = true
+end
+
 -- api check
 
 -- du.check_min_api_version("9.3.0", "script_manager")
@@ -71,7 +86,7 @@ end
 -- - - - - - - - - - - - - - - - - - - - - - - - 
 
 -- script_manager required API version
-local SM_API_VER_REQD <const> = "9.3.0"
+local SM_API_VER_REQD <const> = "9.7.0"
 
 -- path separator
 local PS <const> = dt.configuration.running_os == "windows" and "\\" or "/"
@@ -87,15 +102,29 @@ local DEFAULT_BUTTONS_PER_PAGE <const> = 10
 
 local DEFAULT_LOG_LEVEL <const> = log.warn
 
-local LUA_DIR <const> = dt.configuration.config_dir .. PS .. "lua"
+local USER_LUA_DIR <const> = dt.configuration.config_dir .. PS .. "lua"
+local SYSTEM_LUA_DIR <const> = dt.configuration.data_dir .. PS .. "lua-scripts"
+
 local LUA_SCRIPT_REPO <const> = "https://github.com/darktable-org/lua-scripts.git"
 
 local LUA_API_VER <const> = "API-" .. dt.configuration.api_version_string
 
 -- local POWER_ICON = dt.configuration.config_dir .. "/lua/data/data/icons/power.png"
-local POWER_ICON <const> = dt.configuration.config_dir .. "/lua/data/icons/path20.png"
-local BLANK_ICON <const> = dt.configuration.config_dir .. "/lua/data/icons/blank20.png"
+local USER_POWER_ICON <const> = dt.configuration.config_dir .. "/lua/data/icons/path20.png"
+local USER_BLANK_ICON <const> = dt.configuration.config_dir .. "/lua/data/icons/blank20.png"
 
+local SYSTEM_POWER_ICON <const> = dt.configuration.data_dir .. "/lua-scripts/data/icons/path20.png"
+local SYSTEM_BLANK_ICON <const> = dt.configuration.data_dir .. "/lua-scripts/data/icons/blank20.png"
+
+local LUA_DIR = USER_LUA_DIR
+local POWER_ICON = USER_POWER_ICON
+local BLANK_ICON = USER_BLANK_ICON
+
+if system_based then
+  LUA_DIR = SYSTEM_LUA_DIR
+  POWER_ICON = SYSTEM_POWER_ICON
+  BLANK_ICON = SYSTEM_BLANK_ICON
+end
 -- - - - - - - - - - - - - - - - - - - - - - - - 
 -- P R E F E R E N C E S
 -- - - - - - - - - - - - - - - - - - - - - - - - 
@@ -1243,7 +1272,7 @@ end
 
 script_manager_running_script = "script_manager"
 
-if check_for_updates or SM_API_VER_REQD > dt.configuration.api_version_string then
+if (check_for_updates or SM_API_VER_REQD > dt.configuration.api_version_string) and not system_based then
   local repo_data = get_repo_status(LUA_DIR)
   local current_branch = get_current_repo_branch(LUA_DIR)
   local clean = is_repo_clean(repo_data)
@@ -1325,6 +1354,25 @@ end
 scan_scripts(LUA_DIR)
 log.msg(log.debug, "finished processing scripts")
 
+if system_based then
+  -- exec user luarc file if it exists
+  local luarc = loadfile(USER_LUA_DIR .. "rc")
+  if luarc then
+    luarc()
+  end
+
+  if df.test_file(USER_LUA_DIR, "d") then
+    LUA_DIR = USER_LUA_DIR
+    scan_scripts(LUA_DIR)
+    LUA_DIR = SYSTEM_LUA_DIR
+  end
+
+  dt.configuration["lua_dir"] = LUA_DIR
+
+  dt.print_log("lua dir is " .. dt.configuration.lua_dir)
+  -- scan_script(USER_LUA_DIR)
+end
+
 
 -- - - - - - - - - - - - - - - - - - - - - - - - 
 -- U S E R  I N T E R F A C E