From c89e7352a1f3d15e2ea0d948ad98672352fed44d Mon Sep 17 00:00:00 2001
From: bookfere <bookfere@gmail.com>
Date: Mon, 11 Mar 2024 22:06:22 +0800
Subject: [PATCH] feat: Added the ability to translate filename and metadata.
 resolved #216

---
 advanced.py              |  36 +++---
 lib/conversion.py        |   7 +-
 lib/element.py           |  53 +++++++-
 tests/test_cache.py      |   1 -
 tests/test_element.py    |  63 +++++++++-
 translations/es.po       |  20 ++-
 translations/fr.po       |  20 ++-
 translations/message.pot | 258 ++++++++++++++++++++-------------------
 translations/pt.po       |  20 ++-
 translations/zh_CN.mo    | Bin 16476 -> 16756 bytes
 translations/zh_CN.po    |  34 ++++--
 translations/zh_TW.po    |  20 ++-
 12 files changed, 349 insertions(+), 183 deletions(-)

diff --git a/advanced.py b/advanced.py
index 0d0b320..11192bd 100644
--- a/advanced.py
+++ b/advanced.py
@@ -235,9 +235,7 @@ def show_advanced(self):
 
 
 class AdvancedTranslation(QDialog):
-    raw_text = pyqtSignal(str)
-    original_text = pyqtSignal(str)
-    translation_text = pyqtSignal((), (str,))
+    paragraph_sig = pyqtSignal(Paragraph)
     progress_bar = pyqtSignal()
 
     preparation_thread = QThread()
@@ -504,8 +502,7 @@ def terminate_translation():
         def terminate_finished():
             stop_button.setDisabled(False)
             stop_button.setText(_('Stop'))
-            self.translation_text[str].emit(
-                self.table.current_paragraph().translation)
+            self.paragraph_sig.emit(self.table.current_paragraph())
         self.trans_worker.finished.connect(terminate_finished)
 
         stack = QStackedWidget()
@@ -565,11 +562,18 @@ def layout_control(self):
         ebook_title.setCursorPosition(0)
         output_format = OutputFormat()
         output_format.setFixedWidth(150)
-        save_layout.addWidget(QLabel(_('Title')))
+        save_layout.addWidget(QLabel(_('Filename')))
         save_layout.addWidget(ebook_title, 1)
+        save_layout.addWidget(QLabel(_('Format')))
         save_layout.addWidget(output_format)
         save_layout.addWidget(save_ebook)
 
+        if self.config.get('to_library'):
+            ebook_title.setDisabled(True)
+            ebook_title.setToolTip(_(
+                "The ebook's filename is automatically managed by Calibre "
+                'according to metadata since the output path is set to '
+                'Calibre Library.'))
         ebook_title.textChanged.connect(self.ebook.set_title)
 
         layout.addWidget(cache_group)
@@ -662,10 +666,12 @@ def layout_review(self):
         translation_text.cursorPositionChanged.connect(
             translation_text.ensureCursorVisible)
 
-        self.raw_text.connect(raw_text.setPlainText)
-        self.original_text.connect(original_text.setPlainText)
-        self.translation_text.connect(translation_text.clear)
-        self.translation_text[str].connect(translation_text.setPlainText)
+        def refresh_translation(paragraph):
+            translation_text.clear()
+            raw_text.setPlainText(paragraph.raw)
+            original_text.setPlainText(paragraph.original)
+            translation_text.setPlainText(paragraph.translation)
+        self.paragraph_sig.connect(refresh_translation)
         self.trans_worker.start.connect(
             lambda: translation_text.setReadOnly(False))
         self.trans_worker.finished.connect(
@@ -715,25 +721,21 @@ def change_selected_item():
             paragraph = self.table.current_paragraph()
             if paragraph is None:
                 return
-            self.raw_text.emit(paragraph.raw)
-            self.original_text.emit(paragraph.original.strip())
-            self.translation_text[str].emit(paragraph.translation)
+            self.paragraph_sig.emit(paragraph)
         self.table.itemSelectionChanged.connect(change_selected_item)
         self.table.setCurrentItem(self.table.item(0, 0))
         change_selected_item()
 
         def translation_callback(paragraph):
             self.table.row.emit(paragraph.row)
-            self.raw_text.emit(paragraph.raw)
-            self.original_text.emit(paragraph.original)
-            self.translation_text[str].emit(paragraph.translation)
+            self.paragraph_sig.emit(paragraph)
             self.cache.update_paragraph(paragraph)
             self.progress_bar.emit()
         self.trans_worker.callback.connect(translation_callback)
 
         def streaming_translation(data):
             if data == '':
-                self.translation_text.emit()
+                self.paragraph_sig.emit(self.table.current_paragraph())
             elif isinstance(data, Paragraph):
                 self.table.setCurrentItem(self.table.item(data.row, 0))
             else:
diff --git a/lib/conversion.py b/lib/conversion.py
index 2d1b510..135ee9c 100644
--- a/lib/conversion.py
+++ b/lib/conversion.py
@@ -15,8 +15,8 @@
 from .utils import log, sep, uid, open_path
 from .cache import get_cache, TranslationCache
 from .element import (
-    get_srt_elements, get_toc_elements, get_page_elements, get_element_handler,
-    Extraction)
+    Extraction, get_element_handler, get_srt_elements, get_toc_elements,
+    get_page_elements, get_metadata_elements)
 from .translation import get_translator, get_translation
 
 
@@ -36,6 +36,7 @@ def extract_book(input_path):
     plumber = Plumber(input_path, output_path, log=log)
 
     def convert(self, oeb, output_path, input_plugin, opts, log):
+        elements.extend(get_metadata_elements(oeb.metadata))
         elements.extend(get_toc_elements(oeb.toc.nodes, []))
         elements.extend(get_page_elements(oeb.manifest.items))
     plumber.output_plugin.convert = MethodType(convert, plumber.output_plugin)
@@ -117,6 +118,8 @@ def convert(self, oeb, output_path, input_plugin, opts, log):
         log.info(debug_info)
         translation.set_progress(self.report_progress)
 
+        elements.extend(get_metadata_elements(oeb.metadata))
+        # The number of elements may vary with format conversion.
         elements.extend(get_toc_elements(oeb.toc.nodes, []))
         elements.extend(get_page_elements(oeb.manifest.items))
         original_group = element_handler.prepare_original(elements)
diff --git a/lib/element.py b/lib/element.py
index 60d981b..583844b 100644
--- a/lib/element.py
+++ b/lib/element.py
@@ -83,6 +83,31 @@ def add_translation(
         return self.element
 
 
+class MetadataElement(Element):
+    def get_raw(self):
+        return self.element.content
+
+    def get_text(self):
+        return self.element.content
+
+    def get_content(self, placeholder):
+        return self.element.content
+
+    def add_translation(
+            self, translation, placeholder, position, translation_lang=None,
+            original_color=None, translation_color=None):
+        if translation is not None:
+            if position == 'only':
+                self.element.content = translation
+            elif position in ['above', 'left']:
+                self.element.content = '%s %s' % (
+                    translation, self.element.content)
+            else:
+                self.element.content = '%s %s' %(
+                    self.element.content, translation)
+        return self.element
+
+
 class TocElement(Element):
     def get_raw(self):
         return self.element.title
@@ -104,9 +129,9 @@ def add_translation(
 
 
 class PageElement(Element):
-    def _get_descendents(self, tags):
+    def _get_descendents(self, element, tags):
         xpath = './/*[%s]' % ' or '.join(['self::x:%s' % tag for tag in tags])
-        return self._element_copy().xpath(xpath, namespaces=ns)
+        return element.xpath(xpath, namespaces=ns)
 
     def get_name(self):
         return get_name(self.element)
@@ -125,13 +150,15 @@ def delete(self):
         self.element.getparent().remove(self.element)
 
     def get_content(self, placeholder):
-        for noise in self._get_descendents(('rt', 'rp', 'sup', 'sub')):
+        element_copy = self._element_copy()
+        for noise in self._get_descendents(
+                element_copy, ('rt', 'rp', 'sup', 'sub')):
             parent = noise.getparent()
             parent.text = (parent.text or '') + (noise.tail or '')
             parent.remove(noise)
 
         self.reserve_elements = self._get_descendents(
-            ('img', 'code', 'br', 'hr', 'sub', 'sup', 'kbd'))
+            element_copy, ('img', 'code', 'br', 'hr', 'sub', 'sup', 'kbd'))
         count = 0
         for reserve in self.reserve_elements:
             replacement = placeholder[0].format(format(count, '05'))
@@ -146,7 +173,7 @@ def get_content(self, placeholder):
             parent.remove(reserve)
             count += 1
 
-        return trim(''.join(self._element_copy().itertext()))
+        return trim(''.join(element_copy.itertext()))
 
     def _polish_translation(self, translation):
         translation = translation.replace('\n', '<br />')
@@ -513,6 +540,22 @@ def get_srt_elements(path):
     return [SrtElement(section) for section in sections]
 
 
+def get_metadata_elements(metadata):
+    elements = []
+    names = (
+        'title', 'creator', 'publisher', 'rights', 'subject', 'contributor')
+    pattern = re.compile(r'[a-z]+')
+    for key in metadata.iterkeys():
+        if key not in names:
+            continue
+        items = getattr(metadata, key)
+        for item in items:
+            if pattern.search(item.content) is None:
+                continue
+            elements.append(MetadataElement(item, 'content.opf'))
+    return elements
+
+
 def get_toc_elements(nodes, elements=[]):
     """Be aware that elements should not overlap with existing data."""
     for node in nodes:
diff --git a/tests/test_cache.py b/tests/test_cache.py
index eff6cfe..1d374fe 100644
--- a/tests/test_cache.py
+++ b/tests/test_cache.py
@@ -14,7 +14,6 @@ def test_created_paragraph(self):
         self.assertFalse(self.paragraph.is_cache)
         self.assertIsNone(self.paragraph.error)
         self.assertTrue(self.paragraph.aligned)
-        self.assertIsNone(self.paragraph.background)
 
     def test_get_attributes(self):
         self.assertEqual({'class': 'test'}, self.paragraph.get_attributes())
diff --git a/tests/test_element.py b/tests/test_element.py
index f61923c..e14e5b4 100644
--- a/tests/test_element.py
+++ b/tests/test_element.py
@@ -3,13 +3,14 @@
 
 from lxml import etree
 
-from calibre.ebooks.oeb.base import TOC
+from calibre.ebooks.oeb.base import TOC, Metadata
 
 from ..lib.utils import ns
 from ..lib.cache import Paragraph
 from ..lib.element import (
-    get_string, get_name, SrtElement, TocElement, PageElement, Extraction,
-    ElementHandler, ElementHandlerMerge, get_toc_elements)
+    get_string, get_name, Extraction, ElementHandler, ElementHandlerMerge,
+    SrtElement, TocElement, PageElement, MetadataElement, get_toc_elements,
+    get_metadata_elements)
 from ..engines import DeeplFreeTranslate
 from ..engines.base import Base
 
@@ -45,6 +46,22 @@ def test_get_toc_elements(self):
         elements = get_toc_elements(toc, [])
         self.assertEqual(3, len(elements))
 
+    def test_get_metadata_elements(self):
+        metadata = Mock(Metadata)
+        item_1 = Mock(Metadata.Item, content='a')
+        item_2 = Mock(Metadata.Item, content='b')
+        item_3 = Mock(Metadata.Item, content='0')
+        metadata.title = [item_1]
+        metadata.subject = [item_2, item_3]
+        metadata.language = []
+        metadata.iterkeys.return_value = ['title', 'subject', 'language']
+
+        elements = get_metadata_elements(metadata)
+
+        self.assertEqual(2, len(elements))
+        self.assertIs(item_1, elements[0].element)
+        self.assertIs(item_2, elements[1].element)
+
 
 class TestSrtElement(unittest.TestCase):
     def setUp(self):
@@ -84,6 +101,46 @@ def test_add_translation_only(self):
         self.assertEqual('A', element[2])
 
 
+class TestMetadataElement(unittest.TestCase):
+    def setUp(self):
+        self.medata_item = Mock(Metadata.Item, content='a')
+        self.element = MetadataElement(self.medata_item)
+
+    def test_get_raw(self):
+        self.assertEqual('a', self.element.get_raw())
+
+    def test_get_text(self):
+        self.assertEqual('a', self.element.get_text())
+
+    def test_get_content(self):
+        self.assertEqual('a', self.element.get_content(Base.placeholder))
+
+    def test_add_translation_none(self):
+        self.assertIs(
+            self.element.element,
+            self.element.add_translation(None, Base.placeholder, 'below'))
+
+    def test_add_translation_below(self):
+        element = self.element.add_translation('A', Base.placeholder, 'below')
+        self.assertEqual('a A', element.content)
+
+    def test_add_translation_right(self):
+        element = self.element.add_translation('A', Base.placeholder, 'right')
+        self.assertEqual('a A', element.content)
+
+    def test_add_translation_above(self):
+        element = self.element.add_translation('A', Base.placeholder, 'above')
+        self.assertEqual('A a', element.content)
+
+    def test_add_translation_left(self):
+        element = self.element.add_translation('A', Base.placeholder, 'left')
+        self.assertEqual('A a', element.content)
+
+    def test_add_translation_only(self):
+        element = self.element.add_translation('A', Base.placeholder, 'only')
+        self.assertEqual('A', element.content)
+
+
 class TestTocElement(unittest.TestCase):
     def setUp(self):
         self.element = TocElement(TOC('a', 'a.html'), 'toc.ncx')
diff --git a/translations/es.po b/translations/es.po
index 84d7acc..ac55afa 100644
--- a/translations/es.po
+++ b/translations/es.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Ebook Translator Calibre Plugin\n"
 "Report-Msgid-Bugs-To: bookfere@gmail.com\n"
-"POT-Creation-Date: 2024-03-10 12:31+0800\n"
+"POT-Creation-Date: 2024-03-11 21:06+0800\n"
 "PO-Revision-Date: 2023-04-17 14:17+0800\n"
 "Last-Translator: Automatically generated\n"
 "Language-Team: none\n"
@@ -109,8 +109,16 @@ msgstr ""
 msgid "Output"
 msgstr ""
 
-msgid "Title"
-msgstr "Título"
+msgid "Filename"
+msgstr ""
+
+msgid "Format"
+msgstr ""
+
+msgid ""
+"The ebook's filename is automatically managed by Calibre according to "
+"metadata since the output path is set to Calibre Library."
+msgstr ""
 
 msgid "Translated"
 msgstr ""
@@ -148,6 +156,9 @@ msgstr ""
 msgid "Output Format"
 msgstr "Formato de salida"
 
+msgid "Title"
+msgstr "Título"
+
 msgid "Translate"
 msgstr "Traducir"
 
@@ -206,9 +217,6 @@ msgstr ""
 msgid "Merge Length"
 msgstr ""
 
-msgid "Filename"
-msgstr ""
-
 msgid "Size (MB)"
 msgstr ""
 
diff --git a/translations/fr.po b/translations/fr.po
index 4abec3c..67c278e 100644
--- a/translations/fr.po
+++ b/translations/fr.po
@@ -4,7 +4,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Ebook Translator Calibre Plugin\n"
 "Report-Msgid-Bugs-To: bookfere@gmail.com\n"
-"POT-Creation-Date: 2024-03-10 12:31+0800\n"
+"POT-Creation-Date: 2024-03-11 21:06+0800\n"
 "PO-Revision-Date: 2023-10-01 15:35-0400\n"
 "Last-Translator: <a href=\"https://www.mobileread.com/forums/member.php?"
 "u=90932\">PoP</a>\n"
@@ -109,8 +109,16 @@ msgstr "Produit ebook"
 msgid "Output"
 msgstr "Produit"
 
-msgid "Title"
-msgstr "Titre"
+msgid "Filename"
+msgstr "Nom du fichier"
+
+msgid "Format"
+msgstr ""
+
+msgid ""
+"The ebook's filename is automatically managed by Calibre according to "
+"metadata since the output path is set to Calibre Library."
+msgstr ""
 
 msgid "Translated"
 msgstr "Traduit"
@@ -148,6 +156,9 @@ msgstr "Êtes-vous certain de vouloir arrêter la traduction?"
 msgid "Output Format"
 msgstr "Format de sortie"
 
+msgid "Title"
+msgstr "Titre"
+
 msgid "Translate"
 msgstr "Traduire"
 
@@ -210,9 +221,6 @@ msgstr "Langue"
 msgid "Merge Length"
 msgstr "Longueur de fusion"
 
-msgid "Filename"
-msgstr "Nom du fichier"
-
 msgid "Size (MB)"
 msgstr "Taille (MB)"
 
diff --git a/translations/message.pot b/translations/message.pot
index 3427a54..748fa43 100644
--- a/translations/message.pot
+++ b/translations/message.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Ebook Translator Calibre Plugin\n"
 "Report-Msgid-Bugs-To: bookfere@gmail.com\n"
-"POT-Creation-Date: 2024-03-10 12:31+0800\n"
+"POT-Creation-Date: 2024-03-11 21:06+0800\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -43,11 +43,11 @@ msgstr ""
 msgid "Start"
 msgstr ""
 
-#: advanced.py:199 batch.py:54 setting.py:177
+#: advanced.py:199 batch.py:54 setting.py:184
 msgid "Input Format"
 msgstr ""
 
-#: advanced.py:210 advanced.py:544 batch.py:55 setting.py:360
+#: advanced.py:210 advanced.py:544 batch.py:55 setting.py:367
 msgid "Target Language"
 msgstr ""
 
@@ -87,7 +87,7 @@ msgstr ""
 msgid "Character count: {}"
 msgstr ""
 
-#: advanced.py:468 cache.py:92 components/engine.py:200 components/table.py:117
+#: advanced.py:468 cache.py:92 components/engine.py:200 components/table.py:135
 msgid "Delete"
 msgstr ""
 
@@ -107,11 +107,11 @@ msgstr ""
 msgid "Stopping..."
 msgstr ""
 
-#: advanced.py:532 setting.py:319
+#: advanced.py:532 setting.py:326
 msgid "Translation Engine"
 msgstr ""
 
-#: advanced.py:538 batch.py:55 setting.py:359
+#: advanced.py:538 batch.py:55 setting.py:366
 msgid "Source Language"
 msgstr ""
 
@@ -135,66 +135,80 @@ msgstr ""
 msgid "Output"
 msgstr ""
 
-#: advanced.py:568 batch.py:54 cache.py:190
-msgid "Title"
+#: advanced.py:568 cache.py:191
+msgid "Filename"
+msgstr ""
+
+#: advanced.py:570
+msgid "Format"
+msgstr ""
+
+#: advanced.py:577
+msgid ""
+"The ebook's filename is automatically managed by Calibre according to "
+"metadata since the output path is set to Calibre Library."
 msgstr ""
 
-#: advanced.py:616 components/table.py:74
+#: advanced.py:623 components/table.py:89
 msgid "Translated"
 msgstr ""
 
-#: advanced.py:617
+#: advanced.py:624
 msgid "The ebook has not been translated yet."
 msgstr ""
 
-#: advanced.py:621
+#: advanced.py:628
 msgid ""
 "The number of lines in some translation units differs between the original "
 "text and the translated text. Are you sure you want to output without "
 "checking alignment?"
 msgstr ""
 
-#: advanced.py:656
+#: advanced.py:663
 msgid "No translation yet"
 msgstr ""
 
-#: advanced.py:703 components/engine.py:206 setting.py:89
+#: advanced.py:710 components/engine.py:206 setting.py:96
 msgid "Save"
 msgstr ""
 
-#: advanced.py:763
+#: advanced.py:770
 msgid "Your changes have been saved."
 msgstr ""
 
-#: advanced.py:776
+#: advanced.py:783
 msgid "Translation log"
 msgstr ""
 
-#: advanced.py:787
+#: advanced.py:794
 msgid "Error log"
 msgstr ""
 
-#: advanced.py:807
+#: advanced.py:814
 msgid "Are you sure you want to translate all {:n} paragraphs?"
 msgstr ""
 
-#: advanced.py:833
+#: advanced.py:840
 msgid "Are you sure you want to stop the translation progress?"
 msgstr ""
 
-#: batch.py:54 setting.py:178
+#: batch.py:54 setting.py:185
 msgid "Output Format"
 msgstr ""
 
-#: batch.py:126 components/engine.py:137 components/table.py:115
+#: batch.py:54 cache.py:190
+msgid "Title"
+msgstr ""
+
+#: batch.py:126 components/engine.py:137 components/table.py:133
 msgid "Translate"
 msgstr ""
 
-#: batch.py:137 lib/cache.py:128
+#: batch.py:137 lib/cache.py:126
 msgid "Unknown"
 msgstr ""
 
-#: batch.py:146 cache.py:130 setting.py:1017
+#: batch.py:146 cache.py:130 setting.py:1027
 msgid "The specified path does not exist."
 msgstr ""
 
@@ -202,8 +216,8 @@ msgstr ""
 msgid "Choose a path to store cache files."
 msgstr ""
 
-#: cache.py:73 components/mode.py:41 components/mode.py:51 setting.py:149
-#: setting.py:790 setting.py:809 setting.py:857
+#: cache.py:73 components/mode.py:41 components/mode.py:51 setting.py:156
+#: setting.py:800 setting.py:819 setting.py:867
 msgid "Choose"
 msgstr ""
 
@@ -252,11 +266,11 @@ msgstr ""
 msgid "Total: {}"
 msgstr ""
 
-#: cache.py:190 components/table.py:37 setting.py:54
+#: cache.py:190 components/table.py:40 setting.py:61
 msgid "Engine"
 msgstr ""
 
-#: cache.py:190 components/table.py:37 setting.py:978
+#: cache.py:190 components/table.py:40 setting.py:988
 msgid "Language"
 msgstr ""
 
@@ -264,10 +278,6 @@ msgstr ""
 msgid "Merge Length"
 msgstr ""
 
-#: cache.py:191
-msgid "Filename"
-msgstr ""
-
 #: cache.py:191
 msgid "Size (MB)"
 msgstr ""
@@ -313,11 +323,11 @@ msgstr ""
 msgid "The engine name is already in use."
 msgstr ""
 
-#: components/engine.py:285 setting.py:68
+#: components/engine.py:285 setting.py:75
 msgid "The setting has been saved."
 msgstr ""
 
-#: components/format.py:27 setting.py:187
+#: components/format.py:27 setting.py:194
 msgid "Ebook Specific"
 msgstr ""
 
@@ -329,15 +339,15 @@ msgstr ""
 msgid "Feedback"
 msgstr ""
 
-#: components/lang.py:34 engines/base.py:70 setting.py:1078
+#: components/lang.py:34 engines/base.py:70 setting.py:1088
 msgid "Auto detect"
 msgstr ""
 
-#: components/mode.py:28 setting.py:116
+#: components/mode.py:28 setting.py:123
 msgid "Choose a translation mode for clicking the icon button."
 msgstr ""
 
-#: components/mode.py:33 setting.py:106 ui.py:54 ui.py:82
+#: components/mode.py:33 setting.py:113 ui.py:54 ui.py:82
 msgid "Advanced Mode"
 msgstr ""
 
@@ -347,7 +357,7 @@ msgid ""
 "for more control and customization."
 msgstr ""
 
-#: components/mode.py:43 setting.py:107 ui.py:55 ui.py:109
+#: components/mode.py:43 setting.py:114 ui.py:55 ui.py:109
 msgid "Batch Mode"
 msgstr ""
 
@@ -357,33 +367,33 @@ msgid ""
 "the translation process and saving time."
 msgstr ""
 
-#: components/table.py:37 setting.py:712
+#: components/table.py:40 setting.py:719
 msgid "Original"
 msgstr ""
 
-#: components/table.py:37
+#: components/table.py:40
 msgid "Status"
 msgstr ""
 
-#: components/table.py:69
+#: components/table.py:84
 msgid "Untranslated"
 msgstr ""
 
-#: components/table.py:95
+#: components/table.py:111
 msgid ""
 "The number of lines differs between the original text and the translated "
 "text."
 msgstr ""
 
-#: components/table.py:121
+#: components/table.py:139
 msgid "Select the whole chapter"
 msgstr ""
 
-#: components/table.py:127
+#: components/table.py:145
 msgid "Select similar paragraphs: {}=\"{}\""
 msgstr ""
 
-#: components/table.py:174
+#: components/table.py:192
 msgid "Retain at least one row."
 msgstr ""
 
@@ -391,7 +401,7 @@ msgstr ""
 msgid "Baidu"
 msgstr ""
 
-#: engines/base.py:20 setting.py:340
+#: engines/base.py:20 setting.py:347
 msgid "API Keys"
 msgstr ""
 
@@ -577,323 +587,323 @@ msgstr ""
 msgid "Translation failed."
 msgstr ""
 
-#: setting.py:53
+#: setting.py:60
 msgid "General"
 msgstr ""
 
-#: setting.py:55
+#: setting.py:62
 msgid "Content"
 msgstr ""
 
-#: setting.py:104
+#: setting.py:111
 msgid "Preferred Mode"
 msgstr ""
 
-#: setting.py:138
+#: setting.py:145
 msgid "Output Path"
 msgstr ""
 
-#: setting.py:140
+#: setting.py:147
 msgid "Library"
 msgstr ""
 
-#: setting.py:141
+#: setting.py:148
 msgid "Path"
 msgstr ""
 
-#: setting.py:146
+#: setting.py:153
 msgid "Choose a path to store translated book(s)"
 msgstr ""
 
-#: setting.py:173
+#: setting.py:180
 msgid "Preferred Format"
 msgstr ""
 
-#: setting.py:197
+#: setting.py:204
 msgid "(Beta)"
 msgstr ""
 
-#: setting.py:197
+#: setting.py:204
 msgid "Merge to Translate"
 msgstr ""
 
-#: setting.py:199 setting.py:220 setting.py:264 setting.py:854
+#: setting.py:206 setting.py:227 setting.py:271 setting.py:864
 msgid "Enable"
 msgstr ""
 
-#: setting.py:205
+#: setting.py:212
 msgid "The number of characters to translate at once."
 msgstr ""
 
-#: setting.py:217
+#: setting.py:224
 msgid "HTTP Proxy"
 msgstr ""
 
-#: setting.py:232
+#: setting.py:239
 msgid "Host"
 msgstr ""
 
-#: setting.py:235
+#: setting.py:242
 msgid "Port"
 msgstr ""
 
-#: setting.py:246 setting.py:322
+#: setting.py:253 setting.py:329
 msgid "Test"
 msgstr ""
 
-#: setting.py:262 ui.py:57
+#: setting.py:269 ui.py:57
 msgid "Cache"
 msgstr ""
 
-#: setting.py:265
+#: setting.py:272
 msgid "Manage"
 msgstr ""
 
-#: setting.py:282
+#: setting.py:289
 msgid "Job Log"
 msgstr ""
 
-#: setting.py:283
+#: setting.py:290
 msgid "Show translation"
 msgstr ""
 
-#: setting.py:296
+#: setting.py:303
 msgid "Search Paths"
 msgstr ""
 
-#: setting.py:299
+#: setting.py:306
 msgid "The plugin will search for external programs via these paths."
 msgstr ""
 
-#: setting.py:323 setting.py:529 setting.py:533 setting.py:540 setting.py:545
+#: setting.py:330 setting.py:536 setting.py:540 setting.py:547 setting.py:552
 msgid "Custom"
 msgstr ""
 
-#: setting.py:330
+#: setting.py:337
 msgid "Using Tip"
 msgstr ""
 
-#: setting.py:344
+#: setting.py:351
 msgid "Tip:"
 msgstr ""
 
-#: setting.py:345
+#: setting.py:352
 msgid "API keys will auto-switch if the previous one is unavailable."
 msgstr ""
 
-#: setting.py:355
+#: setting.py:362
 msgid "Preferred Language"
 msgstr ""
 
-#: setting.py:366
+#: setting.py:373
 msgid "HTTP Request"
 msgstr ""
 
-#: setting.py:380
+#: setting.py:387
 msgid "Concurrency limit"
 msgstr ""
 
-#: setting.py:381
+#: setting.py:388
 msgid "Interval (seconds)"
 msgstr ""
 
-#: setting.py:382
+#: setting.py:389
 msgid "Attempt times"
 msgstr ""
 
-#: setting.py:383
+#: setting.py:390
 msgid "Timeout (seconds)"
 msgstr ""
 
-#: setting.py:385
+#: setting.py:392
 msgid "Error count to stop translation"
 msgstr ""
 
-#: setting.py:395
+#: setting.py:402
 msgid "Tune Gemini"
 msgstr ""
 
-#: setting.py:402 setting.py:436
+#: setting.py:409 setting.py:443
 msgid "Prompt"
 msgstr ""
 
-#: setting.py:428
+#: setting.py:435
 msgid "Tune ChatGPT"
 msgstr ""
 
-#: setting.py:438
+#: setting.py:445
 msgid "Endpoint"
 msgstr ""
 
-#: setting.py:447
+#: setting.py:454
 msgid "Model"
 msgstr ""
 
-#: setting.py:470
+#: setting.py:477
 msgid "Sampling"
 msgstr ""
 
-#: setting.py:475
+#: setting.py:482
 msgid "Enable streaming text like in ChatGPT"
 msgstr ""
 
-#: setting.py:476
+#: setting.py:483
 msgid "Stream"
 msgstr ""
 
-#: setting.py:693
+#: setting.py:700
 msgid "Below original"
 msgstr ""
 
-#: setting.py:695
+#: setting.py:702
 msgid "Above original"
 msgstr ""
 
-#: setting.py:697 setting.py:699
+#: setting.py:704 setting.py:706
 msgid "Beta"
 msgstr ""
 
-#: setting.py:697
+#: setting.py:704
 msgid "Left to original"
 msgstr ""
 
-#: setting.py:699
+#: setting.py:706
 msgid "Right to original"
 msgstr ""
 
-#: setting.py:700
+#: setting.py:707
 msgid "Add without original"
 msgstr ""
 
-#: setting.py:719
+#: setting.py:726
 msgid "Translation"
 msgstr ""
 
-#: setting.py:730
+#: setting.py:737
 msgid "Translation Position"
 msgstr ""
 
-#: setting.py:778
+#: setting.py:788
 msgid "Original Color"
 msgstr ""
 
-#: setting.py:783 setting.py:801
+#: setting.py:793 setting.py:811
 msgid "CSS color value, e.g., #666666, grey, rgb(80, 80, 80)"
 msgstr ""
 
-#: setting.py:797
+#: setting.py:807
 msgid "Translation Color"
 msgstr ""
 
-#: setting.py:852
+#: setting.py:862
 msgid "Translation Glossary"
 msgstr ""
 
-#: setting.py:856
+#: setting.py:866
 msgid "Choose a glossary file"
 msgstr ""
 
-#: setting.py:875
+#: setting.py:885
 msgid "Ignore Paragraph"
 msgstr ""
 
-#: setting.py:881
+#: setting.py:891
 msgid "Scope"
 msgstr ""
 
-#: setting.py:882
+#: setting.py:892
 msgid "Text only"
 msgstr ""
 
-#: setting.py:884
+#: setting.py:894
 msgid "HTML element"
 msgstr ""
 
-#: setting.py:891
+#: setting.py:901
 msgid "Mode"
 msgstr ""
 
-#: setting.py:892
+#: setting.py:902
 msgid "Normal"
 msgstr ""
 
-#: setting.py:894
+#: setting.py:904
 msgid "Normal (case-sensitive)"
 msgstr ""
 
-#: setting.py:895
+#: setting.py:905
 msgid "Regular Expression"
 msgstr ""
 
-#: setting.py:937
+#: setting.py:947
 msgid "Exclude paragraph by keyword. One keyword per line:"
 msgstr ""
 
-#: setting.py:938
+#: setting.py:948
 msgid "Exclude paragraph by case-sensitive keyword. One keyword per line:"
 msgstr ""
 
-#: setting.py:940
+#: setting.py:950
 msgid "Exclude paragraph by regular expression pattern. One pattern per line:"
 msgstr ""
 
-#: setting.py:956
+#: setting.py:966
 msgid "Ignore Element"
 msgstr ""
 
-#: setting.py:964
+#: setting.py:974
 msgid "CSS selectors to exclude elements. One rule per line:"
 msgstr ""
 
-#: setting.py:967
+#: setting.py:977
 msgid "e.g."
 msgstr ""
 
-#: setting.py:971
+#: setting.py:981
 msgid "Ebook Metadata"
 msgstr ""
 
-#: setting.py:974
+#: setting.py:984
 msgid "Set \"Target Language\" to metadata"
 msgstr ""
 
-#: setting.py:977
+#: setting.py:987
 msgid "Subjects of ebook (one subject per line)"
 msgstr ""
 
-#: setting.py:979
+#: setting.py:989
 msgid "Subject"
 msgstr ""
 
-#: setting.py:996 setting.py:1031
+#: setting.py:1006 setting.py:1041
 msgid "Proxy host or port is incorrect."
 msgstr ""
 
-#: setting.py:998
+#: setting.py:1008
 msgid "The proxy is available."
 msgstr ""
 
-#: setting.py:999
+#: setting.py:1009
 msgid "The proxy is not available."
 msgstr ""
 
-#: setting.py:1088
+#: setting.py:1098
 msgid "the prompt must include {}."
 msgstr ""
 
-#: setting.py:1117 setting.py:1124
+#: setting.py:1127 setting.py:1134
 msgid "Invalid color value."
 msgstr ""
 
-#: setting.py:1133
+#: setting.py:1143
 msgid "The specified glossary file does not exist."
 msgstr ""
 
-#: setting.py:1145
+#: setting.py:1155
 msgid "{} is not a valid regular expression."
 msgstr ""
 
-#: setting.py:1157
+#: setting.py:1167
 msgid "{} is not a valid CSS seletor."
 msgstr ""
 
diff --git a/translations/pt.po b/translations/pt.po
index 11dd0f4..e98e186 100644
--- a/translations/pt.po
+++ b/translations/pt.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Ebook Translator Calibre Plugin\n"
 "Report-Msgid-Bugs-To: bookfere@gmail.com\n"
-"POT-Creation-Date: 2024-03-10 12:31+0800\n"
+"POT-Creation-Date: 2024-03-11 21:06+0800\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: none\n"
@@ -108,8 +108,16 @@ msgstr "Ebook de Saída"
 msgid "Output"
 msgstr "Saída"
 
-msgid "Title"
-msgstr "Título"
+msgid "Filename"
+msgstr "Nome do arquivo"
+
+msgid "Format"
+msgstr ""
+
+msgid ""
+"The ebook's filename is automatically managed by Calibre according to "
+"metadata since the output path is set to Calibre Library."
+msgstr ""
 
 msgid "Translated"
 msgstr "Traduzido"
@@ -147,6 +155,9 @@ msgstr "Você tem certeza de que deseja parar o processo de tradução?"
 msgid "Output Format"
 msgstr "Formato de Saída"
 
+msgid "Title"
+msgstr "Título"
+
 msgid "Translate"
 msgstr "Traduzir"
 
@@ -207,9 +218,6 @@ msgstr "Idioma"
 msgid "Merge Length"
 msgstr "Comprimento da Mesclagem"
 
-msgid "Filename"
-msgstr "Nome do arquivo"
-
 msgid "Size (MB)"
 msgstr "Tamanho (MB)"
 
diff --git a/translations/zh_CN.mo b/translations/zh_CN.mo
index acf74958d506559077df6548fddfd3700e95b0a8..82d5722c1a8e7272cfa53c116d77e7f607b33459 100644
GIT binary patch
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zDHINoPsnRT+ef+$*%ZzMs=PH!kxPC}j*%H;1Gz|IiMBj)o+OjUNPogb1%6Y2TR}2N
zoGP|GkBh&n1kCblry$tAD8+QLlDuVYby!YDSG9|46J9ki@qB1iS<05k#$W6$`(kf#
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diff --git a/translations/zh_CN.po b/translations/zh_CN.po
index 2f0ae32..7caedb6 100644
--- a/translations/zh_CN.po
+++ b/translations/zh_CN.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Ebook Translator Calibre Plugin\n"
 "Report-Msgid-Bugs-To: bookfere@gmail.com\n"
-"POT-Creation-Date: 2024-03-10 12:31+0800\n"
+"POT-Creation-Date: 2024-03-11 21:06+0800\n"
 "PO-Revision-Date: 2023-04-17 14:17+0800\n"
 "Last-Translator: Automatically generated\n"
 "Language-Team: none\n"
@@ -106,8 +106,16 @@ msgstr "输出电子书"
 msgid "Output"
 msgstr "输出"
 
-msgid "Title"
-msgstr "书名"
+msgid "Filename"
+msgstr "文件名"
+
+msgid "Format"
+msgstr "格式"
+
+msgid ""
+"The ebook's filename is automatically managed by Calibre according to "
+"metadata since the output path is set to Calibre Library."
+msgstr "由于输出路径是 Calibre 书库，因此电子书文件名由 Calibre 根据原数据自动处理。"
 
 msgid "Translated"
 msgstr "已翻译"
@@ -145,6 +153,9 @@ msgstr "你确定要停止翻译过程吗？"
 msgid "Output Format"
 msgstr "输出格式"
 
+msgid "Title"
+msgstr "书名"
+
 msgid "Translate"
 msgstr "翻译"
 
@@ -203,9 +214,6 @@ msgstr "语言"
 msgid "Merge Length"
 msgstr "合并长度"
 
-msgid "Filename"
-msgstr "文件名"
-
 msgid "Size (MB)"
 msgstr "大小（MB）"
 
@@ -246,7 +254,7 @@ msgid "Ebook Specific"
 msgstr "自动选择"
 
 msgid "Donate"
-msgstr "赞赏"
+msgstr "捐助"
 
 msgid "Feedback"
 msgstr "反馈"
@@ -715,6 +723,18 @@ msgstr "缓存管理器"
 msgid "Choose Translation Mode"
 msgstr "选择翻译模式"
 
+#~ msgid ""
+#~ "The ebook's filename is automatically managed by Calibre according to "
+#~ "metadata“since the output path is set to Calibre Library."
+#~ msgstr ""
+#~ "由于输出路径是 Calibre 书库，因此电子书文件名由 Calibre 根据原数据自动处"
+#~ "理。"
+
+#~ msgid ""
+#~ "The ebook's filename is managed by Calibre since the output path is set "
+#~ "to Calibre Library."
+#~ msgstr "由于输出路径是 Calibre 书库，因此电子书文件名由 Calibre 管理。"
+
 #~ msgid "Add after original"
 #~ msgstr "加在原文后"
 
diff --git a/translations/zh_TW.po b/translations/zh_TW.po
index ae16582..9df2676 100644
--- a/translations/zh_TW.po
+++ b/translations/zh_TW.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Ebook Translator Calibre Plugin\n"
 "Report-Msgid-Bugs-To: bookfere@gmail.com\n"
-"POT-Creation-Date: 2024-03-10 12:31+0800\n"
+"POT-Creation-Date: 2024-03-11 21:06+0800\n"
 "PO-Revision-Date: 2023-04-25 15:36+0800\n"
 "Last-Translator: Automatically generated\n"
 "Language-Team: none\n"
@@ -107,8 +107,16 @@ msgstr ""
 msgid "Output"
 msgstr ""
 
-msgid "Title"
-msgstr "書名"
+msgid "Filename"
+msgstr ""
+
+msgid "Format"
+msgstr ""
+
+msgid ""
+"The ebook's filename is automatically managed by Calibre according to "
+"metadata since the output path is set to Calibre Library."
+msgstr ""
 
 msgid "Translated"
 msgstr ""
@@ -146,6 +154,9 @@ msgstr ""
 msgid "Output Format"
 msgstr "輸出格式"
 
+msgid "Title"
+msgstr "書名"
+
 msgid "Translate"
 msgstr "翻譯"
 
@@ -204,9 +215,6 @@ msgstr ""
 msgid "Merge Length"
 msgstr ""
 
-msgid "Filename"
-msgstr ""
-
 msgid "Size (MB)"
 msgstr ""