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advanced.py
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advanced.py
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import time
from types import MethodType
from calibre.constants import __version__
from .lib.utils import uid, traceback_error
from .lib.config import get_config
from .lib.encodings import encoding_list
from .lib.cache import Paragraph, get_cache
from .lib.translation import get_engine_class, get_translator, get_translation
from .lib.element import get_element_handler
from .lib.conversion import extract_item, extra_formats
from .engines.openai import ChatgptTranslate, ChatgptBatchTranslate
from .engines.custom import CustomTranslate
from . import EbookTranslator
from .components import (
EngineList, Footer, SourceLang, TargetLang, InputFormat, OutputFormat,
AlertMessage, AdvancedTranslationTable, StatusColor, TranslationStatus,
set_shortcut, ChatgptBatchTranslationManager)
try:
from qt.core import (
Qt, QObject, QDialog, QGroupBox, QWidget, QVBoxLayout, QHBoxLayout,
QPlainTextEdit, QPushButton, QSplitter, QLabel, QThread, QLineEdit,
QGridLayout, QProgressBar, pyqtSignal, pyqtSlot, QPixmap, QEvent,
QStackedWidget, QSpacerItem, QTextCursor, QTabWidget, QCheckBox,
QComboBox, QSizePolicy)
except ImportError:
from PyQt5.Qt import (
Qt, QObject, QDialog, QGroupBox, QWidget, QVBoxLayout, QHBoxLayout,
QPlainTextEdit, QPushButton, QSplitter, QLabel, QThread, QLineEdit,
QGridLayout, QProgressBar, pyqtSignal, pyqtSlot, QPixmap, QEvent,
QStackedWidget, QSpacerItem, QTextCursor, QTabWidget, QCheckBox,
QComboBox, QSizePolicy)
load_translations()
class EditorWorker(QObject):
start = pyqtSignal((str,), (str, object))
show = pyqtSignal(str)
finished = pyqtSignal()
def __init__(self):
QObject.__init__(self)
self.start[str].connect(self.show_message)
self.start[str, object].connect(self.show_message)
@pyqtSlot(str)
@pyqtSlot(str, object)
def show_message(self, message, callback=None):
time.sleep(0.01)
self.show.emit(message)
time.sleep(1)
self.show.emit('')
callback and callback()
self.finished.emit()
class PreparationWorker(QObject):
start = pyqtSignal()
progress = pyqtSignal(int)
progress_message = pyqtSignal(str)
progress_detail = pyqtSignal(str)
close = pyqtSignal(int)
finished = pyqtSignal(str)
def __init__(self, engine_class, ebook):
QObject.__init__(self)
self.engine_class = engine_class
self.ebook = ebook
self.on_working = False
self.canceled = False
self.start.connect(self.prepare_ebook_data)
def clean_cache(self, cache):
cache.is_fresh() and cache.destroy()
self.on_working = False
self.close.emit(1)
def set_canceled(self, canceled):
self.canceled = canceled
# def cancel(self):
# return self.thread().isInterruptionRequested()
@pyqtSlot()
def prepare_ebook_data(self):
self.on_working = True
input_path = self.ebook.get_input_path()
element_handler = get_element_handler(
self.engine_class.placeholder, self.engine_class.separator,
self.ebook.target_direction)
merge_length = str(element_handler.get_merge_length())
encoding = ''
if self.ebook.encoding.lower() != 'utf-8':
encoding = self.ebook.encoding.lower()
cache_id = uid(
input_path + self.engine_class.name + self.ebook.target_lang
+ merge_length + encoding)
cache = get_cache(cache_id)
if cache.is_fresh() or not cache.is_persistence():
self.progress_detail.emit(
'Start processing the ebook: %s' % self.ebook.title)
cache.set_info('title', self.ebook.title)
cache.set_info('engine_name', self.engine_class.name)
cache.set_info('target_lang', self.ebook.target_lang)
cache.set_info('merge_length', merge_length)
cache.set_info('plugin_version', EbookTranslator.__version__)
cache.set_info('calibre_version', __version__)
# --------------------------
a = time.time()
# --------------------------
self.progress_message.emit(_('Extracting ebook content...'))
try:
elements = extract_item(
input_path, self.ebook.input_format, self.ebook.encoding,
self.progress_detail.emit)
except Exception:
self.progress_message.emit(
_('Failed to extract ebook content'))
self.progress_detail.emit('\n' + traceback_error())
self.progress.emit(100)
self.clean_cache(cache)
return
if self.canceled:
self.clean_cache(cache)
return
self.progress.emit(30)
b = time.time()
self.progress_detail.emit('extracting timing: %s' % (b - a))
if self.canceled:
self.clean_cache(cache)
return
# --------------------------
self.progress_message.emit(_('Filtering ebook content...'))
original_group = element_handler.prepare_original(elements)
self.progress.emit(80)
c = time.time()
self.progress_detail.emit('filtering timing: %s' % (c - b))
if self.canceled:
self.clean_cache(cache)
return
# --------------------------
self.progress_message.emit(_('Preparing user interface...'))
cache.save(original_group)
self.progress.emit(100)
d = time.time()
self.progress_detail.emit('cache timing: %s' % (d - c))
if self.canceled:
self.clean_cache(cache)
return
else:
self.progress_detail.emit(
'Loading data from cache and preparing user interface...')
time.sleep(0.1)
self.finished.emit(cache_id)
self.on_working = False
class TranslationWorker(QObject):
start = pyqtSignal()
close = pyqtSignal(int)
finished = pyqtSignal()
translate = pyqtSignal(list, bool)
logging = pyqtSignal(str, bool)
# error = pyqtSignal(str, str, str)
streaming = pyqtSignal(object)
callback = pyqtSignal(object)
def __init__(self, engine_class, ebook):
QObject.__init__(self)
self.source_lang = ebook.source_lang
self.target_lang = ebook.target_lang
self.engine_class = engine_class
self.on_working = False
self.canceled = False
self.need_close = False
self.translate.connect(self.translate_paragraphs)
# self.finished.connect(lambda: self.set_canceled(False))
def set_source_lang(self, lang):
self.source_lang = lang
def set_target_lang(self, lang):
self.target_lang = lang
def set_engine_class(self, engine_class):
self.engine_class = engine_class
def set_canceled(self, canceled):
self.canceled = canceled
def cancel_request(self):
return self.canceled
def set_need_close(self, need_close):
self.need_close = need_close
@pyqtSlot(list, bool)
def translate_paragraphs(self, paragraphs=[], fresh=False):
""":fresh: retranslate all paragraphs."""
self.on_working = True
self.start.emit()
translator = get_translator(self.engine_class)
translator.set_source_lang(self.source_lang)
translator.set_target_lang(self.target_lang)
translation = get_translation(translator)
translation.set_fresh(fresh)
translation.set_logging(
lambda text, error=False: self.logging.emit(text, error))
translation.set_streaming(self.streaming.emit)
translation.set_callback(self.callback.emit)
translation.set_cancel_request(self.cancel_request)
translation.handle(paragraphs)
self.on_working = False
self.finished.emit()
if self.need_close:
time.sleep(0.5)
self.close.emit(0)
class CreateTranslationProject(QDialog):
start_translation = pyqtSignal(object)
def __init__(self, parent, ebook):
QDialog.__init__(self, parent)
self.ebook = ebook
layout = QVBoxLayout(self)
self.choose_format = self.layout_format()
self.start_button = QPushButton(_('&Start'))
# self.start_button.setStyleSheet(
# 'padding:0;height:48;font-size:20px;color:royalblue;'
# 'text-transform:uppercase;')
self.start_button.clicked.connect(self.show_advanced)
layout.addWidget(self.choose_format)
layout.addWidget(self.start_button)
def layout_format(self):
widget = QWidget()
layout = QHBoxLayout(widget)
layout.setContentsMargins(0, 0, 0, 0)
input_group = QGroupBox(_('Input Format'))
input_layout = QGridLayout(input_group)
input_format = InputFormat(self.ebook.files.keys())
input_format.setFixedWidth(150)
input_layout.addWidget(input_format)
layout.addWidget(input_group)
source_group = QGroupBox(_('Source Language'))
source_layout = QVBoxLayout(source_group)
source_lang = SourceLang()
source_lang.setFixedWidth(150)
source_layout.addWidget(source_lang)
layout.addWidget(source_group)
target_group = QGroupBox(_('Target Language'))
target_layout = QVBoxLayout(target_group)
target_lang = TargetLang()
target_lang.setFixedWidth(150)
target_layout.addWidget(target_lang)
layout.addWidget(target_group)
if self.ebook.input_format in extra_formats.keys():
encoding_group = QGroupBox(_('Encoding'))
encoding_layout = QVBoxLayout(encoding_group)
encoding_select = QComboBox()
encoding_select.setFixedWidth(150)
encoding_select.addItems(encoding_list)
encoding_layout.addWidget(encoding_select)
layout.addWidget(encoding_group)
def change_encoding(encoding):
self.ebook.set_encoding(encoding)
encoding_select.currentTextChanged.connect(change_encoding)
else:
direction_group = QGroupBox(_('Target Directionality'))
direction_layout = QVBoxLayout(direction_group)
direction_list = QComboBox()
direction_list.setFixedWidth(150)
direction_list.addItem(_('Auto'), 'auto')
direction_list.addItem(_('Left to Right'), 'ltr')
direction_list.addItem(_('Right to Left'), 'rtl')
direction_layout.addWidget(direction_list)
layout.addWidget(direction_group)
def change_direction(index):
direction = direction_list.itemData(index)
self.ebook.set_target_direction(direction)
direction_list.currentIndexChanged.connect(change_direction)
def change_input_format(format):
self.ebook.set_input_format(format)
change_input_format(input_format.currentText())
input_format.currentTextChanged.connect(change_input_format)
engine_class = get_engine_class()
source_lang.refresh.emit(
engine_class.lang_codes.get('source'),
engine_class.config.get('source_lang'),
not issubclass(engine_class, CustomTranslate))
target_lang.refresh.emit(
engine_class.lang_codes.get('target'),
engine_class.config.get('target_lang'))
def change_source_lang(lang):
self.ebook.set_source_lang(source_lang.currentText())
change_source_lang(source_lang.currentText())
source_lang.currentTextChanged.connect(change_source_lang)
def change_target_lang(lang):
self.ebook.set_target_lang(lang)
change_target_lang(target_lang.currentText())
target_lang.currentTextChanged.connect(change_target_lang)
return widget
@pyqtSlot()
def show_advanced(self):
self.done(0)
self.start_translation.emit(self.ebook)
class AdvancedTranslation(QDialog):
paragraph_sig = pyqtSignal(object)
ebook_title = pyqtSignal()
progress_bar = pyqtSignal()
batch_translation = pyqtSignal()
preparation_thread = QThread()
trans_thread = QThread()
editor_thread = QThread()
def __init__(self, parent, icon, worker, ebook):
QDialog.__init__(self, parent)
self.api = parent.current_db.new_api
self.icon = icon
self.worker = worker
self.ebook = ebook
self.config = get_config()
self.alert = AlertMessage(self)
self.footer = Footer()
# self.error = JobError(self)
self.current_engine = get_engine_class()
self.cache = None
self.merge_enabled = False
self.prgress_step = 0
self.translate_all = False
self.editor_worker = EditorWorker()
self.editor_worker.moveToThread(self.editor_thread)
self.editor_thread.finished.connect(self.editor_worker.deleteLater)
self.editor_thread.start()
self.trans_worker = TranslationWorker(self.current_engine, self.ebook)
self.trans_worker.close.connect(self.done)
self.trans_worker.moveToThread(self.trans_thread)
self.trans_thread.finished.connect(self.trans_worker.deleteLater)
self.trans_thread.start()
self.preparation_worker = PreparationWorker(
self.current_engine, self.ebook)
self.preparation_worker.close.connect(self.done)
self.preparation_worker.moveToThread(self.preparation_thread)
self.preparation_thread.finished.connect(
self.preparation_worker.deleteLater)
self.preparation_thread.start()
layout = QVBoxLayout(self)
self.waiting = self.layout_progress()
self.stack = QStackedWidget()
self.stack.addWidget(self.waiting)
layout.addWidget(self.stack)
layout.addWidget(self.footer)
def working_status():
self.logging_text.clear()
self.errors_text.clear()
self.trans_worker.start.connect(working_status)
self.trans_worker.logging.connect(
lambda text, error: self.errors_text.appendPlainText(text)
if error else self.logging_text.appendPlainText(text))
def working_finished():
if self.translate_all and not self.trans_worker.cancel_request():
failures = len(self.table.get_selected_paragraphs(True, True))
if failures > 0:
message = _(
'Failed to translate {} paragraph(s), '
'Would you like to retry?')
if self.alert.ask(message.format(failures)) == 'yes':
self.translate_all_paragraphs()
return
else:
self.alert.pop(_('Translation completed.'))
self.trans_worker.set_canceled(False)
self.translate_all = False
self.trans_worker.finished.connect(working_finished)
# self.trans_worker.error.connect(
# lambda title, reason, detail: self.error.show_error(
# title, _('Failed') + ': ' + reason, det_msg=detail))
def prepare_table_layout(cache_id):
self.cache = get_cache(cache_id)
self.merge_enabled = int(self.cache.get_info('merge_length')) > 0
paragraphs = self.cache.all_paragraphs()
if len(paragraphs) < 1:
self.alert.pop(
_('There is no content that needs to be translated.'),
'warning')
self.done(0)
return
self.table = AdvancedTranslationTable(self, paragraphs)
self.panel = self.layout_panel()
self.stack.addWidget(self.panel)
self.stack.setCurrentWidget(self.panel)
self.table.setFocus(Qt.OtherFocusReason)
self.preparation_worker.finished.connect(prepare_table_layout)
self.preparation_worker.start.emit()
def layout_progress(self):
widget = QWidget()
layout = QGridLayout(widget)
try:
cover_image = self.api.cover(self.ebook.id, as_pixmap=True)
except Exception:
cover_image = QPixmap(self.api.cover(self.ebook.id, as_image=True))
if cover_image.isNull():
cover_image = QPixmap(I('default_cover.png'))
mode = getattr(Qt.TransformationMode, 'SmoothTransformation', None) \
or Qt.SmoothTransformation
cover_image = cover_image.scaledToHeight(480, mode)
cover = QLabel()
cover.setAlignment(Qt.AlignCenter)
cover.setPixmap(cover_image)
title = QLabel()
title.setMaximumWidth(cover_image.width())
title.setText(title.fontMetrics().elidedText(
self.ebook.title, Qt.ElideRight, title.width()))
title.setToolTip(self.ebook.title)
progress_bar = QProgressBar()
progress_bar.setFormat('')
progress_bar.setValue(0)
# progress_bar.setFixedWidth(300)
progress_bar.setMinimum(0)
progress_bar.setMaximum(0)
def show_progress(value):
if progress_bar.maximum() == 0:
progress_bar.setMaximum(100)
progress_bar.setValue(value)
self.preparation_worker.progress.connect(show_progress)
label = QLabel(_('Loading ebook data, please wait...'))
label.setAlignment(Qt.AlignCenter)
self.preparation_worker.progress_message.connect(label.setText)
detail = QPlainTextEdit()
detail.setReadOnly(True)
self.preparation_worker.progress_detail.connect(detail.appendPlainText)
layout.addWidget(cover, 0, 0)
layout.addWidget(title, 1, 0)
layout.addItem(QSpacerItem(0, 20), 2, 0, 1, 3)
layout.addWidget(progress_bar, 3, 0)
layout.addWidget(label, 4, 0)
layout.addItem(QSpacerItem(0, 0), 5, 0, 1, 3)
layout.addItem(QSpacerItem(10, 0), 0, 1, 6, 1)
layout.addWidget(detail, 0, 2, 6, 1)
# layout.setRowStretch(0, 1)
layout.setRowStretch(2, 1)
layout.setColumnStretch(2, 1)
# layout.setColumnStretch(2, 1)
return widget
def layout_panel(self):
widget = QWidget()
layout = QVBoxLayout(widget)
layout.setContentsMargins(0, 0, 0, 0)
tabs = QTabWidget()
review_index = tabs.addTab(self.layout_review(), _('Review'))
log_index = tabs.addTab(self.layout_log(), _('Log'))
errors_index = tabs.addTab(self.layout_errors(), _('Errors'))
tabs.setStyleSheet('QTabBar::tab {min-width:120px;}')
self.trans_worker.start.connect(
lambda: (self.translate_all or self.table.selected_count() > 1)
and tabs.setCurrentIndex(log_index))
self.trans_worker.finished.connect(
lambda: tabs.setCurrentIndex(
errors_index if self.errors_text.toPlainText()
else review_index))
splitter = QSplitter()
splitter.addWidget(self.layout_table())
splitter.addWidget(tabs)
splitter.setSizes([int(splitter.width() / 2)] * 2)
layout.addWidget(self.layout_control())
layout.addWidget(splitter, 1)
return widget
def layout_filter(self):
widget = QWidget()
layout = QHBoxLayout(widget)
layout.setContentsMargins(0, 0, 0, 0)
categories = QComboBox()
categories.addItem(_('All'), 'all')
if self.merge_enabled:
categories.addItem(_('Non-aligned'), 'non_aligned')
categories.addItem(_('Translated'), 'translated')
categories.addItem(_('Untranslated'), 'untranslated')
content_types = QComboBox()
content_types.addItem(_('Original Text'), 'original_text')
content_types.addItem(_('Original Code'), 'original_code')
content_types.addItem(_('Translation Text'), 'translation_text')
search_input = QLineEdit()
search_input.setPlaceholderText(_('keyword for filtering'))
set_shortcut(
search_input, 'search', search_input.setFocus,
search_input.placeholderText())
reset_button = QPushButton(_('Reset'))
reset_button.setVisible(False)
def filter_table_items(index):
self.table.show_all_rows()
category = categories.itemData(index)
if category == 'non_aligned':
self.table.hide_by_paragraphs(self.table.aligned_paragraphs())
elif category == 'translated':
self.table.hide_by_paragraphs(
self.table.untranslated_paragraphs())
elif category == 'untranslated':
self.table.hide_by_paragraphs(
self.table.translated_paragraphs())
def filter_by_category(index):
reset_button.setVisible(index != 0)
filter_table_items(index)
self.table.show_by_text(
search_input.text(), content_types.currentData())
categories.currentIndexChanged.connect(filter_by_category)
def filter_by_content_type(index):
reset_button.setVisible(index != 0)
filter_table_items(categories.currentIndex())
self.table.show_by_text(
search_input.text(), content_types.itemData(index))
content_types.currentIndexChanged.connect(filter_by_content_type)
def filter_by_keyword(text):
reset_button.setVisible(text != '')
filter_table_items(categories.currentIndex())
self.table.show_by_text(text, content_types.currentData())
search_input.textChanged.connect(filter_by_keyword)
def reset_filter_criteria():
categories.setCurrentIndex(0)
content_types.setCurrentIndex(0)
search_input.clear()
reset_button.setVisible(False)
reset_button.clicked.connect(reset_filter_criteria)
# def reset_filter():
# filter_table_items(categories.currentIndex())
# self.table.show_by_text(search_input.text())
# self.editor_worker.finished.connect(reset_filter)
# self.trans_worker.finished.connect(reset_filter)
layout.addWidget(categories)
layout.addWidget(content_types)
layout.addWidget(search_input)
layout.addWidget(reset_button)
return widget
def layout_table(self):
widget = QWidget()
widget.setSizePolicy(
QSizePolicy.Ignored, QSizePolicy.Preferred)
layout = QVBoxLayout(widget)
layout.setContentsMargins(0, 0, 0, 0)
progress_bar = QProgressBar()
progress_bar.setMaximum(100000000)
progress_bar.setVisible(False)
def write_progress():
value = progress_bar.value() + self.prgress_step
if value > progress_bar.maximum():
value = progress_bar.maximum()
progress_bar.setValue(value)
self.progress_bar.connect(write_progress)
paragraph_count = QLabel()
non_aligned_paragraph_count = QLabel()
non_aligned_paragraph_count.setVisible(False)
counter = QWidget()
counter_layout = QHBoxLayout(counter)
counter_layout.setContentsMargins(0, 0, 0, 0)
counter_layout.setSpacing(0)
counter_layout.addWidget(paragraph_count)
counter_layout.addWidget(non_aligned_paragraph_count)
counter_layout.addStretch(1)
self.footer.layout().insertWidget(0, counter)
def get_paragraph_count(select_all=True):
item_count = char_count = 0
paragraphs = self.table.get_selected_paragraphs(
select_all=select_all)
for paragraph in paragraphs:
item_count += 1
char_count += len(paragraph.original)
return (item_count, char_count)
all_item_count, all_char_count = get_paragraph_count(True)
def item_selection_changed():
item_count, char_count = get_paragraph_count(False)
total = '%s/%s' % (item_count, all_item_count)
parts = '%s/%s' % (char_count, all_char_count)
paragraph_count.setText(
_('Total items: {}').format(total) + ' · '
+ _('Character count: {}').format(parts))
item_selection_changed()
self.table.itemSelectionChanged.connect(item_selection_changed)
if self.merge_enabled:
non_aligned_paragraph_count.setVisible(True)
def show_none_aligned_count():
non_aligned_paragraph_count.setText(
' · ' + _('Non-aligned items: {}')
.format(self.table.non_aligned_count))
show_none_aligned_count()
self.table.row.connect(show_none_aligned_count)
filter_widget = self.layout_filter()
layout.addWidget(filter_widget)
layout.addWidget(self.table, 1)
layout.addWidget(progress_bar)
layout.addWidget(self.layout_table_control())
def working_start():
if self.translate_all or self.table.selected_count() > 1:
filter_widget.setVisible(False)
progress_bar.setValue(0)
progress_bar.setVisible(True)
counter.setVisible(False)
self.trans_worker.start.connect(working_start)
def working_end():
filter_widget.setVisible(True)
progress_bar.setVisible(False)
counter.setVisible(True)
self.trans_worker.finished.connect(working_end)
return widget
def layout_table_control(self):
action_widget = QWidget()
action_layout = QHBoxLayout(action_widget)
action_layout.setContentsMargins(0, 0, 0, 0)
delete_button = QPushButton(_('Delete'))
delete_button.setToolTip(delete_button.text() + ' [Del]')
batch_translation = QPushButton(
' %s (%s)' % (_('Batch Translation'), _('Beta')))
translate_all = QPushButton(' %s ' % _('Translate All'))
translate_selected = QPushButton(' %s ' % _('Translate Selected'))
delete_button.clicked.connect(self.table.delete_selected_rows)
translate_all.clicked.connect(self.translate_all_paragraphs)
translate_selected.clicked.connect(self.translate_selected_paragraph)
action_layout.addWidget(delete_button)
action_layout.addStretch(1)
action_layout.addWidget(batch_translation)
action_layout.addWidget(translate_all)
action_layout.addWidget(translate_selected)
stop_widget = QWidget()
stop_layout = QHBoxLayout(stop_widget)
stop_layout.setContentsMargins(0, 0, 0, 0)
# stop_layout.addStretch(1)
stop_button = QPushButton(_('Stop'))
stop_layout.addWidget(stop_button)
delete_button.setDisabled(True)
translate_selected.setDisabled(True)
self.batch_translation.connect(
lambda: batch_translation.setVisible(
self.current_engine == ChatgptTranslate))
self.batch_translation.emit()
def start_batch_translation():
translator = get_translator(self.current_engine)
translator.set_source_lang(self.ebook.source_lang)
translator.set_target_lang(self.ebook.target_lang)
batch_translator = ChatgptBatchTranslate(translator)
batch = ChatgptBatchTranslationManager(
batch_translator, self.cache, self.table, self)
batch.exec_()
batch_translation.clicked.connect(start_batch_translation)
def item_selection_changed():
disabled = self.table.selected_count() < 1
delete_button.setDisabled(disabled)
translate_selected.setDisabled(disabled)
item_selection_changed()
self.table.itemSelectionChanged.connect(item_selection_changed)
def stop_translation():
action = self.alert.ask(
_('Are you sure you want to stop the translation progress?'))
if action != 'yes':
return
stop_button.setDisabled(True)
stop_button.setText(_('Stopping...'))
self.trans_worker.set_canceled(True)
stop_button.clicked.connect(stop_translation)
def terminate_finished():
stop_button.setDisabled(False)
stop_button.setText(_('Stop'))
self.paragraph_sig.emit(self.table.current_paragraph())
self.trans_worker.finished.connect(terminate_finished)
stack = QStackedWidget()
stack.addWidget(action_widget)
stack.addWidget(stop_widget)
def working_start():
stack.setCurrentWidget(stop_widget)
action_widget.setDisabled(True)
self.trans_worker.start.connect(working_start)
def working_finished():
stack.setCurrentWidget(action_widget)
action_widget.setDisabled(False)
self.trans_worker.finished.connect(working_finished)
return stack
def layout_control(self):
widget = QWidget()
layout = QHBoxLayout(widget)
layout.setContentsMargins(0, 0, 0, 0)
cache_group = QGroupBox(_('Cache Status'))
cache_layout = QVBoxLayout(cache_group)
cache_status = QLabel(
_('Enabled') if self.cache.is_persistence() else _('Disabled'))
cache_status.setAlignment(Qt.AlignCenter)
cache_status.setStyleSheet(
'border-radius:2px;color:white;background-color:%s;'
% ('green' if self.cache.is_persistence() else 'grey'))
cache_layout.addWidget(cache_status)
engine_group = QGroupBox(_('Translation Engine'))
engine_layout = QVBoxLayout(engine_group)
engine_list = EngineList(self.current_engine.name)
engine_list.setMaximumWidth(150)
engine_layout.addWidget(engine_list)
source_group = QGroupBox(_('Source Language'))
source_layout = QVBoxLayout(source_group)
source_lang = SourceLang()
source_lang.setMaximumWidth(150)
source_layout.addWidget(source_lang)
target_group = QGroupBox(_('Target Language'))
target_layout = QVBoxLayout(target_group)
target_lang = TargetLang()
target_lang.setMaximumWidth(150)
target_layout.addWidget(target_lang)
title_group = QGroupBox(_('Custom Ebook Title'))
title_layout = QHBoxLayout(title_group)
custom_title = QCheckBox()
ebook_title = QLineEdit()
ebook_title.setToolTip(
_('By default, title metadata will be translated.'))
ebook_title.setText(self.ebook.title)
ebook_title.setCursorPosition(0)
ebook_title.setDisabled(True)
title_layout.addWidget(custom_title)
title_layout.addWidget(ebook_title)
def enable_custom_title(checked):
ebook_title.setDisabled(not checked)
self.ebook.set_custom_title(
ebook_title.text() if checked else None)
if checked:
ebook_title.setFocus(Qt.MouseFocusReason)
custom_title.stateChanged.connect(enable_custom_title)
def change_ebook_title():
if ebook_title.text() == '':
ebook_title.undo()
self.ebook.set_custom_title(ebook_title.text())
ebook_title.editingFinished.connect(change_ebook_title)
# 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_custom_title)
output_group = QGroupBox(_('Output Ebook'))
output_layout = QHBoxLayout(output_group)
output_button = QPushButton(_('Output'))
output_format = OutputFormat()
output_layout.addWidget(output_format)
output_layout.addWidget(output_button)
layout.addWidget(cache_group)
layout.addWidget(engine_group)
layout.addWidget(source_group)
layout.addWidget(target_group)
layout.addWidget(title_group, 1)
layout.addWidget(output_group)
source_lang.currentTextChanged.connect(
self.trans_worker.set_source_lang)
target_lang.currentTextChanged.connect(
self.trans_worker.set_target_lang)
def refresh_languages():
source_lang.refresh.emit(
self.current_engine.lang_codes.get('source'),
self.ebook.source_lang,
not isinstance(self.current_engine, CustomTranslate))
target_lang.refresh.emit(
self.current_engine.lang_codes.get('target'),
self.ebook.target_lang)
refresh_languages()
self.ebook.set_source_lang(source_lang.currentText())
def choose_engine(index):
engine_name = engine_list.itemData(index)
self.current_engine = get_engine_class(engine_name)
self.trans_worker.set_engine_class(self.current_engine)
self.batch_translation.emit()
refresh_languages()
engine_list.currentIndexChanged.connect(choose_engine)
def change_output_format(format):
self.ebook.set_output_format(format)
change_output_format(output_format.currentText())
output_format.currentTextChanged.connect(change_output_format)
if self.ebook.is_extra_format():
output_format.lock_format(self.ebook.input_format)
change_output_format(self.ebook.input_format)
def output_ebook():
if len(self.table.findItems(_('Translated'), Qt.MatchExactly)) < 1:
self.alert.pop(_('The ebook has not been translated yet.'))
return
if self.table.non_aligned_count > 0:
message = _(
'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?')
if self.alert.ask(message) != 'yes':
return
lang_code = self.current_engine.get_iso639_target_code(
self.ebook.target_lang)
self.ebook.set_lang_code(lang_code)
self.worker.translate_ebook(self.ebook, cache_only=True)
self.done(1)
output_button.clicked.connect(output_ebook)
def working_start():
self.translate_all and widget.setVisible(False)
widget.setDisabled(True)
self.trans_worker.start.connect(working_start)
def working_finished():
widget.setVisible(True)
widget.setDisabled(False)
self.trans_worker.finished.connect(working_finished)
return widget
def layout_review(self):
widget = QWidget()
layout = QVBoxLayout(widget)
splitter = QSplitter(Qt.Vertical)
splitter.setContentsMargins(0, 0, 0, 0)
raw_text = QPlainTextEdit()
raw_text.setReadOnly(True)
original_text = QPlainTextEdit()
original_text.setReadOnly(True)
translation_text = QPlainTextEdit()
if self.ebook.target_direction == 'rtl':
translation_text.setLayoutDirection(Qt.RightToLeft)
document = translation_text.document()
option = document.defaultTextOption()
option.setAlignment(Qt.AlignRight)
document.setDefaultTextOption(option)
translation_text.setPlaceholderText(_('No translation yet'))
splitter.addWidget(raw_text)
splitter.addWidget(original_text)
splitter.addWidget(translation_text)
splitter.setSizes([0] + [int(splitter.height() / 2)] * 2)
translation_text.cursorPositionChanged.connect(
translation_text.ensureCursorVisible)
def refresh_translation(paragraph):
raw_text.setPlainText(paragraph.raw.strip())
original_text.setPlainText(paragraph.original.strip())
translation_text.setPlainText(paragraph.translation)
self.paragraph_sig.connect(refresh_translation)
self.trans_worker.start.connect(
lambda: translation_text.setReadOnly(True))
self.trans_worker.finished.connect(
lambda: translation_text.setReadOnly(False))
# default_flag = translation_text.textInteractionFlags()
# def disable_translation_text():
# if self.trans_worker.on_working:
# translation_text.setTextInteractionFlags(Qt.TextEditable)
# end = getattr(QTextCursor.MoveOperation, 'End', None) \
# or QTextCursor.End
# translation_text.moveCursor(end)
# else:
# translation_text.setTextInteractionFlags(default_flag)
# translation_text.cursorPositionChanged.connect(
# disable_translation_text)
def auto_open_close_splitter():
if splitter.sizes()[0] > 0:
sizes = [0] + [int(splitter.height() / 2)] * 2
else:
sizes = [int(splitter.height() / 3)] * 3
splitter.setSizes(sizes)
self.install_widget_event(
splitter, splitter.handle(1), QEvent.MouseButtonDblClick,
auto_open_close_splitter)
self.table.itemDoubleClicked.connect(
lambda item: auto_open_close_splitter())
control = QWidget()
control_layout = QHBoxLayout(control)
control_layout.setContentsMargins(0, 0, 0, 0)
self.trans_worker.start.connect(
lambda: control.setVisible(False))
self.trans_worker.finished.connect(
lambda: control.setVisible(True))
save_status = QLabel()
save_button = QPushButton(_('&Save'))
save_button.setDisabled(True)
status_indicator = TranslationStatus()
control_layout.addWidget(status_indicator)
control_layout.addStretch(1)
control_layout.addWidget(save_status)
control_layout.addWidget(save_button)