preparing gettext infra eclipse-sumo#11237

.gitignore

@@ -59,6 +59,8 @@
 /bin/liblibtracijni.jnilib
 /bin/libsumofmi2.dylib
 # data dir
+/data/locale
+/data/po/*.pot
 /data/proj
 # docs dir, make artifacts
 /docs/doxygen

data/po/de_gui.po

@@ -0,0 +1,23 @@
+# German translations for sumo package.
+# Copyright (C) 2022 THE sumo'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the sumo package.
+# Automatically generated, 2022.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: sumo\n"
+"Report-Msgid-Bugs-To: [email protected]\n"
+"POT-Creation-Date: 2022-10-09 18:08+0200\n"
+"PO-Revision-Date: 2022-10-09 17:46+0200\n"
+"Last-Translator: Automatically generated\n"
+"Language-Team: none\n"
+"Language: de\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=ASCII\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: /home/micha/sumo/src/guisim_main.cpp:59
+msgid "GUI version of the microscopic, multi-modal traffic simulation SUMO."
+msgstr ""
+"Grafische Version der mikroskopischen, multimodalen Verkehrssimulation SUMO."

data/po/de_sumo.po

@@ -0,0 +1,39 @@
+# German translations for sumo package.
+# Copyright (C) 2022 THE sumo'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the sumo package.
+# Automatically generated, 2022.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: sumo\n"
+"Report-Msgid-Bugs-To: [email protected]\n"
+"POT-Creation-Date: 2022-10-09 18:08+0200\n"
+"PO-Revision-Date: 2022-10-09 17:46+0200\n"
+"Last-Translator: Automatically generated\n"
+"Language-Team: none\n"
+"Language: de\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=ASCII\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: /home/micha/sumo/src/sumo_main.cpp:49
+msgid "Another interrupt signal received, hard exit."
+msgstr ""
+
+#: /home/micha/sumo/src/sumo_main.cpp:52
+msgid "Interrupt signal received, trying to exit gracefully."
+msgstr ""
+
+#: /home/micha/sumo/src/sumo_main.cpp:88
+msgid "A microscopic, multi-modal traffic simulation."
+msgstr "Eine mikroskopische, multimodale Verkehrssimulation."
+
+#: /home/micha/sumo/src/sumo_main.cpp:116
+#: /home/micha/sumo/src/sumo_main.cpp:125
+msgid "Quitting (on error)."
+msgstr ""
+
+#: /home/micha/sumo/src/sumo_main.cpp:128
+msgid "Quitting (on unknown error)."
+msgstr ""

data/po/fr_gui.po

@@ -0,0 +1,22 @@
+# French translations for sumo package.
+# Copyright (C) 2022 THE sumo'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the sumo package.
+# Automatically generated, 2022.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: sumo\n"
+"Report-Msgid-Bugs-To: [email protected]\n"
+"POT-Creation-Date: 2022-10-09 18:08+0200\n"
+"PO-Revision-Date: 2022-10-09 17:46+0200\n"
+"Last-Translator: Automatically generated\n"
+"Language-Team: none\n"
+"Language: fr\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=ASCII\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+#: /home/micha/sumo/src/guisim_main.cpp:59
+msgid "GUI version of the microscopic, multi-modal traffic simulation SUMO."
+msgstr ""

data/po/fr_sumo.po

@@ -0,0 +1,39 @@
+# French translations for sumo package.
+# Copyright (C) 2022 THE sumo'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the sumo package.
+# Automatically generated, 2022.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: sumo\n"
+"Report-Msgid-Bugs-To: [email protected]\n"
+"POT-Creation-Date: 2022-10-09 18:08+0200\n"
+"PO-Revision-Date: 2022-10-09 17:46+0200\n"
+"Last-Translator: Automatically generated\n"
+"Language-Team: none\n"
+"Language: fr\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=ASCII\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+#: /home/micha/sumo/src/sumo_main.cpp:49
+msgid "Another interrupt signal received, hard exit."
+msgstr ""
+
+#: /home/micha/sumo/src/sumo_main.cpp:52
+msgid "Interrupt signal received, trying to exit gracefully."
+msgstr ""
+
+#: /home/micha/sumo/src/sumo_main.cpp:88
+msgid "A microscopic, multi-modal traffic simulation."
+msgstr ""
+
+#: /home/micha/sumo/src/sumo_main.cpp:116
+#: /home/micha/sumo/src/sumo_main.cpp:125
+msgid "Quitting (on error)."
+msgstr ""
+
+#: /home/micha/sumo/src/sumo_main.cpp:128
+msgid "Quitting (on unknown error)."
+msgstr ""

tools/build/i18n.py

@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
+# Copyright (C) 2011-2022 German Aerospace Center (DLR) and others.
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License 2.0 which is available at
+# https://www.eclipse.org/legal/epl-2.0/
+# This Source Code may also be made available under the following Secondary
+# Licenses when the conditions for such availability set forth in the Eclipse
+# Public License 2.0 are satisfied: GNU General Public License, version 2
+# or later which is available at
+# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
+# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
+
+# @file    i18n.py
+# @author  Michael Behrisch
+# @date    2022-10-08
+
+"""
+Prepare gettext pot and po files for all languages.
+"""
+from __future__ import absolute_import
+from __future__ import print_function
+import os
+import subprocess
+import difflib
+from glob import glob
+from argparse import ArgumentParser
+
+
+SUMO_HOME = os.environ.get("SUMO_HOME", os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+
+
+def get_args(args=None):
+    arg_parser = ArgumentParser()
+    arg_parser.add_argument("-l", "--lang", nargs='*', default=["de", "fr"],
+                            help="languages to process")
+    return arg_parser.parse_args(args)
+
+
+def main(args=None):
+    options = get_args(args)
+    pot_file = SUMO_HOME + "/data/po/sumo.pot"
+    gui_pot_file = SUMO_HOME + "/data/po/gui.pot"
+    pots = {pot_file : [], gui_pot_file : []}
+    for f in glob(SUMO_HOME + "/src/*.cpp") + glob(SUMO_HOME + "/src/*/*.cpp") + glob(SUMO_HOME + "/src/*/*/*.cpp"):
+        if "gui" in f[len(SUMO_HOME):] or "netedit" in f[len(SUMO_HOME):]:
+            pots[gui_pot_file].append(f)
+        else:
+            pots[pot_file].append(f)
+    for pot, sources in pots.items():
+        subprocess.check_call(["xgettext"] + sources +
+                              ["--keyword=TL", "--output=" + pot + ".new", "--package-name=sumo",
+                               "[email protected]"])
+        has_diff = True
+        if os.path.exists(pot):
+            with open(pot) as old, open(pot + ".new") as new:
+                a = [s for s in old.readlines() if not s.startswith(("#", '"POT-Creation-Date:'))]
+                b = [s for s in new.readlines() if not s.startswith(("#", '"POT-Creation-Date:'))]
+                has_diff = list(difflib.unified_diff(a, b))
+        if has_diff:
+            os.rename(pot + ".new", pot)
+        else:
+            os.remove(pot + ".new")
+        for lang in options.lang:
+            po_file = "%s/data/po/%s_%s" % (SUMO_HOME, lang, os.path.basename(pot)[:-1])
+            if os.path.exists(po_file):
+                subprocess.check_call(["msgmerge", po_file, pot, "--output-file=" + po_file])
+            else:
+                subprocess.check_call(["msginit", "--input=" + pot, "--output=" + po_file,
+                                       "--no-translator", "--locale=" + lang])
+    for lang in options.lang:
+        po_files = ["%s/data/po/%s_%s" % (SUMO_HOME, lang, os.path.basename(pot)[:-1]) for pot in pots]
+        merged_po_file = "%s/data/po/%s.po" % (SUMO_HOME, lang)
+        subprocess.check_call(["msgcat"] + po_files + ["--output-file=" + merged_po_file])
+        d = "%s/data/locale/%s/LC_MESSAGES" % (SUMO_HOME, lang)
+        os.makedirs(d, exist_ok=True)
+        subprocess.check_call(["msgfmt", merged_po_file, "--output-file=%s/sumo.mo" % d])
+        os.remove(merged_po_file)
+
+
+if __name__ == "__main__":
+    main()