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Abort terminal save on error instead of quitting editor

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Kovid Goyal 2014-08-19 11:38:56 +05:30
parent 796cba4b69
commit ae0adc82fb
2 changed files with 19 additions and 9 deletions
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19
src/calibre/gui2/tweak_book/boss.py
View File

@ -12,7 +12,7 @@ from urlparse import urlparse
from PyQt5.Qt import (
QObject, QApplication, QDialog, QGridLayout, QLabel, QSize, Qt,
QDialogButtonBox, QIcon, QTimer, QPixmap, QInputDialog, QUrl)
QDialogButtonBox, QIcon, QPixmap, QInputDialog, QUrl)
from calibre import prints, isbytestring
from calibre.ptempfile import PersistentTemporaryDirectory, TemporaryDirectory
@ -76,6 +76,7 @@ class Boss(QObject):
self.tdir = None
self.save_manager = SaveManager(parent, notify)
self.save_manager.report_error.connect(self.report_save_error)
self.save_manager.check_for_completion.connect(self.check_terminal_save)
self.doing_terminal_save = False
self.ignore_preview_to_editor_sync = False
setup_cssutils_serialization()
@ -951,8 +952,8 @@ class Boss(QObject):
def report_save_error(self, tb):
if self.doing_terminal_save:
prints(tb, file=sys.stderr)
return
self.gui.action_save.setEnabled(True)
self.abort_terminal_save()
self.set_modified()
error_dialog(self.gui, _('Could not save'),
_('Saving of the book failed. Click "Show Details"'
' for more information. You can try to save a copy'
@ -1370,13 +1371,15 @@ class Boss(QObject):
self.gui.blocking_job.set_msg(_('Saving, please wait...'))
self.gui.blocking_job.start()
self.doing_terminal_save = True
QTimer.singleShot(50, self.check_terminal_save)
def abort_terminal_save(self):
self.doing_terminal_save = False
self.gui.blocking_job.stop()
def check_terminal_save(self):
if self.save_manager.has_tasks:
return QTimer.singleShot(50, self.check_terminal_save)
self.shutdown()
QApplication.instance().quit()
if self.doing_terminal_save and not self.save_manager.has_tasks: # terminal save could have been aborted
self.shutdown()
QApplication.instance().quit()
def shutdown(self):
self.gui.preview.stop_refresh_timer()

9
src/calibre/gui2/tweak_book/save.py
View File

@ -99,6 +99,7 @@ class SaveManager(QObject):
start_save = pyqtSignal()
report_error = pyqtSignal(object)
save_done = pyqtSignal()
check_for_completion = pyqtSignal()
def __init__(self, parent, notify=None):
QObject.__init__(self, parent)
@ -128,14 +129,17 @@ class SaveManager(QObject):
self.requests.task_done()
self.__empty_queue()
break
error_occurred = True
try:
count, tdir, container = x
self.process_save(count, tdir, container)
error_occurred = self.process_save(count, tdir, container)
except:
import traceback
traceback.print_exc()
finally:
self.requests.task_done()
if not error_occurred:
self.check_for_completion.emit()
def notify_calibre(self):
while True:
@ -162,14 +166,17 @@ class SaveManager(QObject):
return
self.last_saved = count
self.start_save.emit()
error_occurred = False
try:
self.do_save(tdir, container)
except:
import traceback
self.report_error.emit(traceback.format_exc())
error_occurred = True
self.save_done.emit()
if self.notify_data:
self.notify_requests.put(True)
return error_occurred
def do_save(self, tdir, container):
try: