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fujifilm-dynamic-range: better logging and error handling

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Use dt.print_log() for log messages. Print error output if no results
or results not parseable from exiftool.

Also update the date, it's 2021.
This commit is contained in:
Dan Torop
2021-01-06 10:25:18 -05:00
parent 952b8b2eb2
commit 6341a0a459
1 changed files with 16 additions and 10 deletions
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26
contrib/fujifilm_dynamic_range.lua
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@@ -2,7 +2,7 @@
Compensate for Fujifilm raw files made using "dynamic range".
Copyright (C) 2020 Dan Torop <dant@pnym.net>
Copyright (C) 2021 Dan Torop <dant@pnym.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -78,23 +78,29 @@ local function detect_dynamic_range(event, image)
local RAF_filename = df.sanitize_filename(tostring(image))
-- without -n flag, exiftool will round to the nearest tenth
local command = "exiftool -RawExposureBias -n -t " .. RAF_filename
dt.print_error(command)
dt.print_log(command)
output = io.popen(command)
local raf_result = output:read("*all")
output:close()
if string.len(raf_result) > 0 then
raf_result = string.match(raf_result, "\t(.*)")
if image.exif_exposure_bias ~= image.exif_exposure_bias then
-- is NAN (this is unlikely as RAFs should have ExposureBiasValue set)
image.exif_exposure_bias = 0
if raf_result then
if image.exif_exposure_bias ~= image.exif_exposure_bias then
-- is NAN (this is unlikely as RAFs should have ExposureBiasValue set)
image.exif_exposure_bias = 0
end
-- this should be auto-applied if plugins/darkroom/workflow is scene-referred
-- note that scene-referred workflow exposure preset also pushes exposure up by 0.5 EV
image.exif_exposure_bias = image.exif_exposure_bias + tonumber(raf_result)
dt.print_log(_("Using RAF exposure bias: ") .. tostring(raf_result))
else
dt.print_error(_("Could not parse exiftool output."))
end
-- this should be auto-applied if plugins/darkroom/workflow is scene-referred
-- note that scene-referred workflow exposure preset also pushes exposure up by 0.5 EV
image.exif_exposure_bias = image.exif_exposure_bias + tonumber(raf_result)
dt.print_error(_("Using RAF exposure bias: ") .. tostring(raf_result))
else
dt.print_error(_("No output returned by exiftool."))
end
end
dt.register_event("post-import-image", detect_dynamic_range)
print(_("fujifilm_dynamic_range loaded."))
dt.print_log(_("fujifilm_dynamic_range loaded."))