make language changeable

aboutdialog.py

@@ -65,7 +65,7 @@ class AboutDialog(QDialog):
         <ul>
         <li>PySide6 {pyside} (LGPL v3) - <a href="https://doc.qt.io/qtforpython-6/">https://doc.qt.io/qtforpython-6/</a></li>
         <li>Qt6 {qt} (LGPL v3) - <a href="https://code.qt.io/cgit/qt/qtbase.git/">https://code.qt.io/cgit/qt/qtbase.git/</a></li>
-        <li>urllib3 (MIT) - <a href="https://urllib3.readthedocs.io/en/stable/">https://urllib3.readthedocs.io/en/stable/</a></li>
+        <li>urllib3 (MIT) - <a href="https://github.com/urllib3/urllib3">https://github.com/urllib3/urllib3</a></li>
         <li>watchdog 2.16 (Apache 2.0) - <a href="https://github.com/gorakhargosh/watchdog">https://github.com/gorakhargosh/watchdog</a></li>
         </ul>""".format(pyside=PySide6.__version__, qt=PySide6.QtCore.__version__)
         label = _(textwrap.dedent(dependencies))

main.py

@@ -16,6 +16,8 @@ from ravenui import RavenUI
 
 import gettext
 
+from settingsstore import SettingsStore
+
 gettext.install('ravenlog', 'locale')
 
 logging.basicConfig(level=logging.INFO)
@@ -43,22 +45,6 @@ if __name__ == "__main__":
         myappid = 'opentext.ravenlog'  # arbitrary string
         ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(myappid)
 
-    locale = os.environ['LANG'] if os.environ['LANG'] else "en"
-
-    src_dir = Path(__file__).resolve().parent
-    try:
-        translation = gettext.translation('messages', localedir=src_dir / 'locales', languages=[locale])
-        if translation:
-            translation.install()
-            _ = translation.gettext
-            ngettext = translation.ngettext
-    except FileNotFoundError:
-        pass
-    if not _:
-        _ = gettext.gettext
-        ngettext = gettext.ngettext
-        print('No translation found')
-
     # workaround to make signals work in QT apps.
     # They do not work out of the box, because the main thread
     # is running in C++ code once app.exec() is executed
@@ -74,8 +60,6 @@ if __name__ == "__main__":
     PluginRegistry.load_plugin("LogFilePlugin")
     PluginRegistry.load_plugin("NotesPlugin")
 
-    PluginRegistry.execute("set_translator", lambda string: translator.tr(string))
-
     window = PluginRegistry.execute_single("create_main_window")
     RavenUI.window = window
     window.show()

raven/i18n.py

@@ -2,7 +2,11 @@ import gettext
 import os
 from pathlib import Path
 
+from settingsstore import SettingsStore
+
+settings = SettingsStore.load()
 locale = os.environ['LANG'] if os.environ['LANG'] else "en"
+locale = settings.session.get('general', 'lang', fallback=locale)
 
 _ = False
 src_dir = Path(__file__).resolve().parent.parent

raven/plugins/ravenlogplugin.py

@@ -10,14 +10,20 @@ from raven.mainwindow import MainWindow
 from raven.pluginbase import PluginBase
 from raven.plugins.domain.menucontribution import MenuContribution
 from raven.plugins.domain.raction import RAction
+from raven.plugins.domain.rmenu import RMenu
 from raven.plugins.ravenlog.Tab import Tab
 from raven.i18n import _
+from settings import Settings
+
 
 class RavenLogPlugin(PluginBase):
     def __init__(self):
         super(RavenLogPlugin, self).__init__()
         self.main_window = None
 
+    def set_settings(self, settings: Settings):
+        self.settings = settings
+
     def create_main_window(self):
         if not self.main_window:
             self.main_window = MainWindow()
@@ -27,8 +33,22 @@ class RavenLogPlugin(PluginBase):
         return [
             MenuContribution("file", action=self._action_close(), action_id="close application", after="<last>"),
             MenuContribution("help", action=self._action_about(), action_id="open about dialog", after="<last>"),
+            MenuContribution("settings", menu=self._sub_menu_languages(), action_id="recent files menu"),
         ]
 
+    def _sub_menu_languages(self) -> RMenu:
+        menu = RMenu(_("&Languages"))
+        menu.add_action(RAction(_("&Default"), lambda: self._set_lang('')))
+        menu.add_action(RAction(_("&English"), lambda: self._set_lang('en')))
+        menu.add_action(RAction(_("&German"), lambda: self._set_lang('de')))
+        return menu
+
+    def _set_lang(self, lang: str):
+        if (lang == ''):
+            self.settings.session.remove_option('general', 'lang')
+        else:
+            self.settings.session.set('general', 'lang', lang)
+
     def current_file(self) -> Optional[str]:
         return self.main_window.tabs.current_file()
 

settings.py

@@ -9,13 +9,13 @@ class Settings():
     def set_session(self, section: str, option: str, value: str):
         return self.session.set(section, option, value)
 
-    def get_session(self, section: str, option: str):
+    def get_session(self, section: str, option: str) -> str:
         return self.session.get(section, option)
 
-    def getint_session(self, section: str, option: str):
+    def getint_session(self, section: str, option: str) -> int:
         return self.session.getint(section, option)
 
-    def getboolean_session(self, section: str, option: str):
+    def getboolean_session(self, section: str, option: str) -> bool:
         return self.session.getboolean(section, option)
 
     @staticmethod