commit a2681d2a2240a89ed60f01ebe3724e4f31bb1314
Author: RunasSudo <runassudo@yingtongli.me>
Date:   Wed Nov 13 22:48:09 2024 +1100

    Initial commit

diff --git a/README.md b/README.md
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+# gimp-xsanecli
+
+GIMP 3.0 plug-in for scanning via XSane
+
+Uses XSane via CLI rather than requiring XSane to be compiled with GIMP support (which is currently unavailable for GIMP 3.0)
+
+## Usage
+
+gimp-xsanecli has only been tested on Linux. It requires [xsane](http://www.xsane.org/) to be installed, and the *xsane* command to be available on PATH.
+
+Install *xsanecli.py* to *$HOME/.config/GIMP/3.0/plug-ins/xsanecli/xsanecli.py* and ensure that *xsanecli.py* is executable.
+
+Click *File* → *Create* → *XSane via CLI…*.
+
+By default, XSane's device chooser dialog is displayed. To hard-code a specific device, set *DEVICE_NAME* in *xsanecli.py* (e.g. `DEVICE_NAME = 'escl:http://10.0.0.1:80'`).
+
+## Licence
+
+Copyright © 2024  Lee Yingtong Li (RunasSudo)
+
+Licensed under the GNU General Public License version 3 or later.
diff --git a/xsanecli.py b/xsanecli.py
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+++ b/xsanecli.py
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+#!/usr/bin/env python3
+
+#   GIMP 3.0 plug-in for scanning via XSane
+#   Copyright (C) 2024  Lee Yingtong Li (RunasSudo)
+#
+#   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
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+import gi
+gi.require_version('Gimp', '3.0')
+from gi.repository import Gimp
+from gi.repository import GObject
+from gi.repository import Gio
+
+import os
+import subprocess
+import sys
+import tempfile
+
+DEVICE_NAME = None  # e.g. DEVICE_NAME = 'escl:http://10.0.0.1:80'
+
+def xsanecli_run(procedure, config, run_data, *args):
+	# Get temporary directory
+	tempdir = tempfile.mkdtemp('gimp-plugin-xsanecli')
+	png_out = os.path.join(tempdir, 'out.png')
+	
+	# Open XSane
+	args = ['xsane', '--save', '--no-mode-selection', '--force-filename', png_out, '--print-filenames'] + ([DEVICE_NAME] if DEVICE_NAME else [])
+	proc = subprocess.Popen(args, stdout=subprocess.PIPE, encoding='utf-8')
+	
+	# Wait until XSane prints the name of the scanned file, indicating scanning is finished
+	# This blocks Python but that is ok because GIMP UI is not affected
+	result = proc.stdout.readline().strip()
+	
+	proc.terminate()
+	
+	if result == '':
+		# XSane was closed
+		return Gimp.ValueArray.new_from_values([GObject.Value(Gimp.PDBStatusType, Gimp.PDBStatusType.CANCEL)])
+	
+	if result != 'XSANE_IMAGE_FILENAME: ' + png_out:
+		Gimp.message('Unexpected XSane result')
+		return Gimp.ValueArray.new_from_values([GObject.Value(Gimp.PDBStatusType, Gimp.PDBStatusType.EXECUTION_ERROR)])
+	
+	# Open image
+	image = Gimp.file_load(Gimp.RunMode.NONINTERACTIVE, Gio.File.new_for_path(png_out))
+	Gimp.Display.new(image)
+	
+	# Remove temporary files
+	os.unlink(png_out)
+	os.rmdir(tempdir)
+	
+	return Gimp.ValueArray.new_from_values([GObject.Value(Gimp.PDBStatusType, Gimp.PDBStatusType.SUCCESS), GObject.Value(Gimp.Image.__gtype__, image)])
+
+class XSaneCLI(Gimp.PlugIn):
+	## GimpPlugIn virtual methods ##
+	def do_set_i18n(self, procname):
+		return False
+	
+	def do_query_procedures(self):
+		return ['plug-in-xsanecli']
+	
+	def do_create_procedure(self, name):
+		if name == 'plug-in-xsanecli':
+			procedure = Gimp.Procedure.new(self, name, Gimp.PDBProcType.PLUGIN, xsanecli_run, None, None)
+			procedure.set_menu_label('_XSane via CLI...')
+			procedure.add_menu_path('<Image>/File/Create')
+			procedure.add_enum_argument('run-mode', 'Run mode', 'The run mode', Gimp.RunMode.__gtype__, Gimp.RunMode.NONINTERACTIVE, GObject.ParamFlags.READWRITE)
+			procedure.add_image_return_value('image', 'Image', 'Output image', False, GObject.ParamFlags.READWRITE)
+		else:
+			raise Exception('Unknown procedure')
+		
+		procedure.set_attribution(
+			'Lee Yingtong Li (RunasSudo)',  # Author
+			'Lee Yingtong Li (RunasSudo)',  # Copyright
+			'Lee Yingtong Li (RunasSudo)'   # Year
+		)
+		return procedure
+
+Gimp.main(XSaneCLI.__gtype__, sys.argv)