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Handle errors in the load/write background processes

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This commit is contained in:
Kovid Goyal 2013-03-14 15:21:18 +05:30
parent e901309632
commit c6f97df876
1 changed files with 35 additions and 12 deletions
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37
src/calibre/gui2/toc/main.py
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@ -18,7 +18,7 @@ from PyQt4.Qt import (QPushButton, QFrame, QVariant,
from calibre.ebooks.oeb.polish.container import get_container, AZW3Container from calibre.ebooks.oeb.polish.container import get_container, AZW3Container
from calibre.ebooks.oeb.polish.toc import get_toc, add_id, TOC, commit_toc from calibre.ebooks.oeb.polish.toc import get_toc, add_id, TOC, commit_toc
from calibre.gui2 import Application from calibre.gui2 import Application, error_dialog
from calibre.gui2.progress_indicator import ProgressIndicator from calibre.gui2.progress_indicator import ProgressIndicator
from calibre.gui2.toc.location import ItemEdit from calibre.gui2.toc.location import ItemEdit
from calibre.utils.logging import GUILog from calibre.utils.logging import GUILog
@ -437,8 +437,8 @@ class TOCView(QWidget): # {{{
class TOCEditor(QDialog): # {{{ class TOCEditor(QDialog): # {{{
explode_done = pyqtSignal() explode_done = pyqtSignal(object)
writing_done = pyqtSignal() writing_done = pyqtSignal(object)
def __init__(self, pathtobook, title=None, parent=None): def __init__(self, pathtobook, title=None, parent=None):
QDialog.__init__(self, parent) QDialog.__init__(self, parent)
@ -500,7 +500,14 @@ class TOCEditor(QDialog): # {{{
self.stacks.setCurrentIndex(0) self.stacks.setCurrentIndex(0)
self.bb.setEnabled(False) self.bb.setEnabled(False)
def really_accept(self): def really_accept(self, tb):
if tb:
error_dialog(self, _('Failed to write book'),
_('Could not write %s. Click "Show details" for'
' more information.')%self.book_title, det_msg=tb, show=True)
super(TOCEditor, self).reject()
return
super(TOCEditor, self).accept() super(TOCEditor, self).accept()
def reject(self): def reject(self):
@ -519,23 +526,39 @@ class TOCEditor(QDialog): # {{{
t.start() t.start()
def explode(self): def explode(self):
tb = None
try:
self.ebook = get_container(self.pathtobook, log=self.log) self.ebook = get_container(self.pathtobook, log=self.log)
except:
import traceback
tb = traceback.format_exc()
if self.working: if self.working:
self.working = False self.working = False
self.explode_done.emit() self.explode_done.emit(tb)
def read_toc(self): def read_toc(self, tb):
if tb:
error_dialog(self, _('Failed to load book'),
_('Could not load %s. Click "Show details" for'
' more information.')%self.book_title, det_msg=tb, show=True)
self.reject()
return
self.pi.stopAnimation() self.pi.stopAnimation()
self.toc_view(self.ebook) self.toc_view(self.ebook)
self.item_edit.load(self.ebook) self.item_edit.load(self.ebook)
self.stacks.setCurrentIndex(1) self.stacks.setCurrentIndex(1)
def write_toc(self): def write_toc(self):
tb = None
try:
toc = self.toc_view.create_toc() toc = self.toc_view.create_toc()
commit_toc(self.ebook, toc, lang=self.toc_view.toc_lang, commit_toc(self.ebook, toc, lang=self.toc_view.toc_lang,
uid=self.toc_view.toc_uid) uid=self.toc_view.toc_uid)
self.ebook.commit() self.ebook.commit()
self.writing_done.emit() except:
import traceback
tb = traceback.format_exc()
self.writing_done.emit(tb)
# }}} # }}}