[ENH] Multilingual package and installation

MANIFEST.in

@@ -16,6 +16,8 @@ recursive-include distribute *.svg *.desktop
 
 include requirements*.txt
 
+recursive-include i18n *.jaml *.yaml
+
 include README.md
 include README.pypi
 include CONTRIBUTING.md

Orange/widgets/data/owpreprocess.py

@@ -738,9 +738,12 @@ def createinstance(params):
 
     def __repr__(self):
         if self.__strategy == self.Fixed:
-            return f"select {self.__k} {pl(self.__k,'feature')}"
+            # private attributes may not appear translated strings
+            num = self.__k
+            return f"select {num} {pl(num,'feature')}"
         else:
-            return f"select {self.__p} % features"
+            perc = self.__p
+            return f"select {perc} % features"
 
 
 def index_to_enum(enum, i):

conda-recipe/meta.yaml

@@ -37,7 +37,7 @@ requirements:
   run:
     - python
     # GUI requirements
-    - orange-canvas-core >=0.2.0,<0.3a
+    - orange-canvas-core >=0.2.2,<0.3a
     - orange-widget-base >=4.23.0
     - anyqt >=0.2.0
     - pyqt >=5.12,!=5.15.1,<6.0

i18n/trans.sh

@@ -1,10 +1,8 @@
-if [ "$#" -ne 2 ]
+if [ "$#" -ne 1 ]
 then
-    echo "trans <language> <destination>"
+    echo "trans <destination>"
     exit
 else
-    lang=$1
-    dest=$2
-    trubar --conf $lang/trubar-config.yaml translate -s ../Orange -d $dest/Orange --static $lang/static $lang/msgs.jaml
-    trubar --conf $lang/tests-config.yaml translate -s ../Orange -d $dest/Orange $lang/tests-msgs.jaml
+    dest=$1
+    trubar --conf trubar-config.yaml translate -s ../Orange -d $dest/Orange msgs.jaml
 fi

i18n/trans1.sh

@@ -0,0 +1,10 @@
+if [ "$#" -ne 2 ]
+then
+    echo "trans <language> <destination>"
+    exit
+else
+    lang=$1
+    dest=$2
+    trubar --conf $lang/trubar-config.yaml translate -s ../Orange -d $dest/Orange --static $lang/static $lang/msgs.jaml
+    trubar --conf $lang/tests-config.yaml translate -s ../Orange -d $dest/Orange $lang/tests-msgs.jaml
+fi

i18n/trubar-config.yaml

@@ -0,0 +1,13 @@
+languages:
+  en:
+    name: English
+    original: true
+  si:
+    name: Slovenščina
+    international-name: Slovenian
+    auto-import: from orangecanvas.utils.localization.si import plsi, plsi_sz, z_besedo  # pylint: disable=wrong-import-order
+auto-import: |2
+  from orangecanvas.utils.localization import Translator  # pylint: disable=wrong-import-order
+  _tr = Translator("Orange", "biolab.si", "Orange")
+  del Translator
+encoding: "utf-8"

pyproject.toml

@@ -6,6 +6,7 @@ requires = [
     "setuptools>=51.0",
     "sphinx",
     "wheel",
+    "trubar>=0.3.4"
 ]
 
 build-backend = "setuptools.build_meta"

requirements-gui.txt

@@ -1,4 +1,4 @@
-orange-canvas-core>=0.2a,<0.3a
+orange-canvas-core>=0.2.2,<0.3a
 orange-widget-base>=4.23.0
 
 AnyQt>=0.2.0

setup.py

@@ -4,12 +4,14 @@
 import sys
 import subprocess
 from setuptools import setup, find_packages, Command
+from setuptools.command.install import install
 
 from distutils.command import install_data, sdist
 from distutils.command.build_ext import build_ext
 from distutils.command import config, build
 from distutils.core import Extension
 
+from trubar import translate
 
 try:
     import numpy
@@ -473,9 +475,23 @@ def ext_modules():
     return modules
 
 
+class InstallMultilingualCommand(install):
+    def run(self):
+        super().run()
+        self.compile_to_multilingual()
+
+    def compile_to_multilingual(self):
+        package_dir = os.path.dirname(os.path.abspath(__file__))
+        translate(
+            "msgs.jaml",
+            source_dir=os.path.join(self.install_lib, "Orange"),
+            config_file=os.path.join(package_dir, "i18n", "trubar-config.yaml"))
+
+
 def setup_package():
     write_version_py()
     cmdclass = {
+        'install': InstallMultilingualCommand,
         'lint': LintCommand,
         'coverage': CoverageCommand,
         'config': config,

tox.ini

@@ -36,7 +36,7 @@ deps =
     latest: https://github.com/biolab/orange-canvas-core/archive/refs/heads/master.zip#egg=orange-canvas-core
     latest: https://github.com/biolab/orange-widget-base/archive/refs/heads/master.zip#egg=orange-widget-base
     # GUI requirements
-    oldest: orange-canvas-core==0.2.0
+    oldest: orange-canvas-core==0.2.2
     oldest: orange-widget-base==4.23.0
     oldest: AnyQt==0.2.0
     oldest: matplotlib==3.2.0