Fix KeyError for translations

src/tribler/gui/i18n/es_ES.ts

@@ -1123,27 +1123,27 @@ Si no está seguro, pulse "No". Más adelante podrá eliminar esas car
     <message>
         <location filename="../utilities.py" line="157"/>
         <source>%(years)iy %(weeks)iw</source>
-        <translation>%(años)iy %(semanas)iw</translation>
+        <translation>%(years)ia %(weeks)is</translation>
     </message>
     <message>
         <location filename="../utilities.py" line="159"/>
         <source>%(weeks)iw %(days)id</source>
-        <translation>%(semanas)iw %(días)id</translation>
+        <translation>%(weeks)is %(days)id</translation>
     </message>
     <message>
         <location filename="../utilities.py" line="161"/>
         <source>%(days)id %(hours)ih</source>
-        <translation>%(días)id %(horas)ih</translation>
+        <translation>%(days)id %(hours)ih</translation>
     </message>
     <message>
         <location filename="../utilities.py" line="163"/>
         <source>%(hours)ih %(minutes)im</source>
-        <translation>%(horas)ih %(minutos)im</translation>
+        <translation>%(hours)ih %(minutes)im</translation>
     </message>
     <message>
         <location filename="../utilities.py" line="165"/>
         <source>%(minutes)im %(seconds)is</source>
-        <translation>%(minutos)im %(segundos)is</translation>
+        <translation>%(minutes)im %(seconds)is</translation>
     </message>
     <message>
         <location filename="../utilities.py" line="166"/>

src/tribler/gui/tests/test_util.py

@@ -1,10 +1,11 @@
-from unittest.mock import MagicMock
+from unittest.mock import MagicMock, Mock, patch
 from urllib.parse import unquote_plus
 
 import pytest
 
-from tribler.gui.utilities import compose_magnetlink, create_api_key, dict_item_is_any_of, format_api_key, \
-    quote_plus_unicode, set_api_key, unicode_quoter
+from tribler.gui.utilities import compose_magnetlink, create_api_key, dict_item_is_any_of, duration_to_string, \
+    format_api_key, \
+    quote_plus_unicode, set_api_key, tr, unicode_quoter
 
 
 def test_quoter_char():
@@ -154,3 +155,27 @@ def test_set_api_key():
     gui_settings = MagicMock()
     set_api_key(gui_settings, "abcdef")
     gui_settings.setValue.assert_called_once_with("api_key", b"abcdef")
+
+
+TRANSLATIONS = [
+    (0, '0s'),
+    (61, '1m 1s'),
+    (3800, '1h 3m'),
+    (110000, '1d 6h'),
+    (1110000, '1w 5d'),
+    (91110000, '2y 46w'),
+    (11191110000, 'Forever'),
+]
+
+
+@pytest.mark.parametrize('seconds, translation', TRANSLATIONS)
+@patch('tribler.gui.utilities.tr', new=Mock(side_effect=lambda x: x))
+def test_duration_to_string(seconds, translation):
+    # test if the duration_to_string function returns the correct translation for all possible formats
+    assert duration_to_string(seconds) == translation
+
+
+@patch('tribler.gui.utilities.QCoreApplication.translate', new=Mock(side_effect=KeyError('key is invalid')))
+def test_tr_exception():
+    # test if the tr function returns the key if the translation is not found
+    assert tr('0s') == '0s'

src/tribler/gui/utilities.py

@@ -37,7 +37,11 @@
 
 
 def tr(key):
-    return f"{QCoreApplication.translate('@default', key)}"
+    try:
+        return str(QCoreApplication.translate('@default', key))
+    except KeyError as e:
+        logger.warning(f'{type(e).__name__}: {e} in "{key}"')
+        return key
 
 
 VOTES_RATING_DESCRIPTIONS = (