def load_finished(self, ok, data):
open_at, self.pending_open_at = self.pending_open_at, None
if not ok:
self.setWindowTitle(self.base_window_title)
tb = data['tb']
last_line = tuple(tb.strip().splitlines())[-1]
if last_line.startswith('calibre.ebooks.DRMError'):
DRMErrorMessage(self).exec_()
else:
error_dialog(self, _('Loading book failed'), _(
'Failed to open the book at {0}. Click "Show details" for more info.').format(data['pathtoebook']),
det_msg=data['tb'], show=True)
self.loading_overlay.hide()
self.web_view.show_home_page()
return
set_book_path(data['base'], data['pathtoebook'])
self.current_book_data = data
self.current_book_data['annotations_map'] = defaultdict(list)
self.current_book_data['annotations_path_key'] = path_key(data['pathtoebook']) + '.json'
self.load_book_data()
self.update_window_title()
initial_cfi = self.initial_cfi_for_current_book()
initial_toc_node = None
if open_at:
if open_at.startswith('toc:'):
initial_toc_node = self.toc_model.node_id_for_text(open_at[len('toc:'):])
elif open_at.startswith('epubcfi(/'):
initial_cfi = open_at
self.web_view.start_book_load(initial_cfi=initial_cfi, initial_toc_node=initial_toc_node)
def load_finished(self, ok, data):
cbd = self.calibre_book_data_for_first_book
self.calibre_book_data_for_first_book = None
if self.shutting_down:
return
open_at, self.pending_open_at = self.pending_open_at, None
self.web_view.clear_caches()
if not ok:
self.actions_toolbar.update_action_state(False)
self.setWindowTitle(self.base_window_title)
tb = as_unicode(data['tb'].strip(), errors='replace')
tb = re.split(r'^calibre\.gui2\.viewer\.convert_book\.ConversionFailure:\s*', tb, maxsplit=1, flags=re.M)[-1]
last_line = tuple(tb.strip().splitlines())[-1]
if last_line.startswith('calibre.ebooks.DRMError'):
DRMErrorMessage(self).exec_()
else:
error_dialog(self, _('Loading book failed'), _(
'Failed to open the book at {0}. Click "Show details" for more info.').format(data['pathtoebook']),
det_msg=tb, show=True)
self.loading_overlay.hide()
self.web_view.show_home_page()
return
try:
set_book_path(data['base'], data['pathtoebook'])
except Exception:
if data['reloaded']:
raise
self.load_ebook(data['pathtoebook'], open_at=data['open_at'], reload_book=True)
return
self.current_book_data = data
get_current_book_data(self.current_book_data)
self.current_book_data['annotations_map'] = defaultdict(list)
self.current_book_data['annotations_path_key'] = path_key(data['pathtoebook']) + '.json'
self.load_book_data(cbd)
self.update_window_title()
initial_cfi = self.initial_cfi_for_current_book()
initial_position = {'type': 'cfi', 'data': initial_cfi} if initial_cfi else None
if open_at:
if open_at.startswith('toc:'):
initial_toc_node = self.toc_model.node_id_for_text(open_at[len('toc:'):])
initial_position = {'type': 'toc', 'data': initial_toc_node}
elif open_at.startswith('toc-href:'):
initial_toc_node = self.toc_model.node_id_for_href(open_at[len('toc-href:'):], exact=True)
initial_position = {'type': 'toc', 'data': initial_toc_node}
elif open_at.startswith('toc-href-contains:'):
initial_toc_node = self.toc_model.node_id_for_href(open_at[len('toc-href-contains:'):], exact=False)
initial_position = {'type': 'toc', 'data': initial_toc_node}
elif open_at.startswith('epubcfi(/'):
initial_position = {'type': 'cfi', 'data': open_at}
elif open_at.startswith('ref:'):
initial_position = {'type': 'ref', 'data': open_at[len('ref:'):]}
elif is_float(open_at):
initial_position = {'type': 'bookpos', 'data': float(open_at)}
highlights = self.current_book_data['annotations_map']['highlight']
self.highlights_widget.load(highlights)
self.web_view.start_book_load(initial_position=initial_position, highlights=highlights, current_book_data=self.current_book_data)
performance_monitor('webview loading requested')
def load_finished(self, ok, data):
if self.shutting_down:
return
open_at, self.pending_open_at = self.pending_open_at, None
self.web_view.clear_caches()
if not ok:
self.setWindowTitle(self.base_window_title)
tb = data['tb'].strip()
tb = re.split(r'^calibre\.gui2\.viewer\.convert_book\.ConversionFailure:\s*', tb, maxsplit=1, flags=re.M)[-1]
last_line = tuple(tb.strip().splitlines())[-1]
if last_line.startswith('calibre.ebooks.DRMError'):
DRMErrorMessage(self).exec_()
else:
error_dialog(self, _('Loading book failed'), _(
'Failed to open the book at {0}. Click "Show details" for more info.').format(data['pathtoebook']),
det_msg=tb, show=True)
self.loading_overlay.hide()
self.web_view.show_home_page()
return
try:
set_book_path(data['base'], data['pathtoebook'])
except Exception:
if data['reloaded']:
raise
self.load_ebook(data['pathtoebook'], open_at=data['open_at'], reload_book=True)
return
self.current_book_data = data
self.current_book_data['annotations_map'] = defaultdict(list)
self.current_book_data['annotations_path_key'] = path_key(data['pathtoebook']) + '.json'
self.load_book_data()
self.update_window_title()
initial_cfi = self.initial_cfi_for_current_book()
initial_toc_node = initial_bookpos = None
if open_at:
if open_at.startswith('toc:'):
initial_toc_node = self.toc_model.node_id_for_text(open_at[len('toc:'):])
elif open_at.startswith('epubcfi(/'):
initial_cfi = open_at
elif is_float(open_at):
initial_bookpos = float(open_at)
self.web_view.start_book_load(initial_cfi=initial_cfi, initial_toc_node=initial_toc_node, initial_bookpos=initial_bookpos)
def book_opened(self, job):
ef = getattr(self, '_edit_file_on_open', None)
cn = getattr(self, '_clear_notify_data', True)
self._edit_file_on_open = None
if job.traceback is not None:
if 'DRMError:' in job.traceback:
from calibre.gui2.dialogs.drm_error import DRMErrorMessage
return DRMErrorMessage(self.gui).exec_()
return error_dialog(
self.gui,
_('Failed to open book'),
_('Failed to open book, click Show details for more information.'
),
det_msg=job.traceback,
show=True)
if cn:
self.save_manager.clear_notify_data()
parse_worker.clear()
container = job.result
set_current_container(container)
with BusyCursor():
self.current_metadata = self.gui.current_metadata = container.mi
self.global_undo.open_book(container)
self.gui.update_window_title()
self.gui.file_list.current_edited_name = None
self.gui.file_list.build(container, preserve_state=False)
self.gui.action_save.setEnabled(False)
self.update_global_history_actions()
recent_books = list(tprefs.get('recent-books', []))
path = container.path_to_ebook
if path in recent_books:
recent_books.remove(path)
recent_books.insert(0, path)
tprefs['recent-books'] = recent_books[:10]
self.gui.update_recent_books()
if ef:
self.gui.file_list.request_edit(ef)
self.gui.toc_view.update_if_visible()
def job_exception(self,
job,
dialog_title=_('Conversion Error'),
retry_func=None):
if not hasattr(self, '_modeless_dialogs'):
self._modeless_dialogs = []
minz = self.is_minimized_to_tray
if self.isVisible():
for x in list(self._modeless_dialogs):
if not x.isVisible():
self._modeless_dialogs.remove(x)
try:
if 'calibre.ebooks.DRMError' in job.details:
if not minz:
from calibre.gui2.dialogs.drm_error import DRMErrorMessage
d = DRMErrorMessage(
self,
_('Cannot convert') + ' ' +
job.description.split(':')[-1].partition('(')[-1][:-1])
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
if 'calibre.ebooks.oeb.transforms.split.SplitError' in job.details:
title = job.description.split(':')[-1].partition('(')[-1][:-1]
msg = _('<p><b>Failed to convert: %s') % title
msg += '<p>' + _('''
Many older ebook reader devices are incapable of displaying
EPUB files that have internal components over a certain size.
Therefore, when converting to EPUB, calibre automatically tries
to split up the EPUB into smaller sized pieces. For some
files that are large undifferentiated blocks of text, this
splitting fails.
<p>You can <b>work around the problem</b> by either increasing the
maximum split size under EPUB Output in the conversion dialog,
or by turning on Heuristic Processing, also in the conversion
dialog. Note that if you make the maximum split size too large,
your ebook reader may have trouble with the EPUB.
''')
if not minz:
d = error_dialog(self,
_('Conversion Failed'),
msg,
det_msg=job.details)
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
if 'calibre.web.feeds.input.RecipeDisabled' in job.details:
if not minz:
msg = job.details
msg = msg[msg.
find('calibre.web.feeds.input.RecipeDisabled:'):]
msg = msg.partition(':')[-1]
d = error_dialog(self, _('Recipe Disabled'),
'<p>%s</p>' % msg)
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
if 'calibre.ebooks.conversion.ConversionUserFeedBack:' in job.details:
if not minz:
import json
payload = job.details.rpartition(
'calibre.ebooks.conversion.ConversionUserFeedBack:'
)[-1]
payload = json.loads('{' + payload.partition('{')[-1])
d = {
'info': info_dialog,
'warn': warning_dialog,
'error': error_dialog
}.get(payload['level'], error_dialog)
d = d(self,
payload['title'],
'<p>%s</p>' % payload['msg'],
det_msg=payload['det_msg'])
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
except:
pass
if job.killed:
return
try:
prints(job.details, file=sys.stderr)
except:
pass
if not minz:
self.job_error_dialog.show_error(dialog_title,
_('<b>Failed</b>') + ': ' +
unicode(job.description),
det_msg=job.details,
retry_func=retry_func)
def job_exception(self, job, dialog_title=_('Conversion Error'), retry_func=None):
if not hasattr(self, '_modeless_dialogs'):
self._modeless_dialogs = []
minz = self.is_minimized_to_tray
if self.isVisible():
for x in list(self._modeless_dialogs):
if not x.isVisible():
self._modeless_dialogs.remove(x)
try:
if 'calibre.ebooks.DRMError' in job.details:
if not minz:
from calibre.gui2.dialogs.drm_error import DRMErrorMessage
d = DRMErrorMessage(self, _('Cannot convert') + ' ' +
job.description.split(':')[-1].partition('(')[-1][:-1])
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
if 'calibre.ebooks.oeb.transforms.split.SplitError' in job.details:
title = job.description.split(':')[-1].partition('(')[-1][:-1]
msg = _('<p><b>Failed to convert: %s')%title
msg += '<p>'+_('''
Many older ebook reader devices are incapable of displaying
EPUB files that have internal components over a certain size.
Therefore, when converting to EPUB, calibre automatically tries
to split up the EPUB into smaller sized pieces. For some
files that are large undifferentiated blocks of text, this
splitting fails.
<p>You can <b>work around the problem</b> by either increasing the
maximum split size under EPUB Output in the conversion dialog,
or by turning on Heuristic Processing, also in the conversion
dialog. Note that if you make the maximum split size too large,
your ebook reader may have trouble with the EPUB.
''')
if not minz:
d = error_dialog(self, _('Conversion Failed'), msg,
det_msg=job.details)
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
if 'calibre.web.feeds.input.RecipeDisabled' in job.details:
if not minz:
msg = job.details
msg = msg[msg.find('calibre.web.feeds.input.RecipeDisabled:'):]
msg = msg.partition(':')[-1]
d = error_dialog(self, _('Recipe Disabled'),
'<p>%s</p>'%msg)
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
if 'calibre.ebooks.conversion.ConversionUserFeedBack:' in job.details:
if not minz:
import json
payload = job.details.rpartition(
'calibre.ebooks.conversion.ConversionUserFeedBack:')[-1]
payload = json.loads('{' + payload.partition('{')[-1])
d = {'info':info_dialog, 'warn':warning_dialog,
'error':error_dialog}.get(payload['level'],
error_dialog)
d = d(self, payload['title'],
'<p>%s</p>'%payload['msg'],
det_msg=payload['det_msg'])
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
except:
pass
if job.killed:
return
try:
prints(job.details, file=sys.stderr)
except:
pass
if not minz:
self.job_error_dialog.show_error(dialog_title,
_('<b>Failed</b>')+': '+unicode(job.description),
det_msg=job.details, retry_func=retry_func)
def load_ebook(self, pathtoebook, open_at=None):
if self.iterator is not None:
self.save_current_position()
self.iterator.__exit__()
self.iterator = EbookIterator(pathtoebook)
self.open_progress_indicator(_('Loading ebook...'))
worker = Worker(target=partial(self.iterator.__enter__,
extract_embedded_fonts_for_qt=True))
worker.start()
while worker.isAlive():
worker.join(0.1)
QApplication.processEvents()
if worker.exception is not None:
if isinstance(worker.exception, DRMError):
from calibre.gui2.dialogs.drm_error import DRMErrorMessage
DRMErrorMessage(self).exec_()
else:
r = getattr(worker.exception, 'reason', worker.exception)
error_dialog(self, _('Could not open ebook'),
as_unicode(r) or _('Unknown error'),
det_msg=worker.traceback, show=True)
self.close_progress_indicator()
else:
self.metadata.show_opf(self.iterator.opf,
self.iterator.book_format)
self.view.current_language = self.iterator.language
title = self.iterator.opf.title
if not title:
title = os.path.splitext(os.path.basename(pathtoebook))[0]
if self.iterator.toc:
self.toc_model = TOC(self.iterator.spine, self.iterator.toc)
self.toc.setModel(self.toc_model)
if self.show_toc_on_open:
self.action_table_of_contents.setChecked(True)
else:
self.toc_model = TOC(self.iterator.spine)
self.toc.setModel(self.toc_model)
self.action_table_of_contents.setChecked(False)
if isbytestring(pathtoebook):
pathtoebook = force_unicode(pathtoebook, filesystem_encoding)
vh = vprefs.get('viewer_open_history', [])
try:
vh.remove(pathtoebook)
except:
pass
vh.insert(0, pathtoebook)
vprefs.set('viewer_open_history', vh[:50])
self.build_recent_menu()
self.action_table_of_contents.setDisabled(not self.iterator.toc)
self.current_book_has_toc = bool(self.iterator.toc)
self.current_title = title
self.setWindowTitle(self.base_window_title+' - '+title +
' [%s]'%self.iterator.book_format)
self.pos.setMaximum(sum(self.iterator.pages))
self.pos.setSuffix(' / %d'%sum(self.iterator.pages))
self.vertical_scrollbar.setMinimum(100)
self.vertical_scrollbar.setMaximum(100*sum(self.iterator.pages))
self.vertical_scrollbar.setSingleStep(10)
self.vertical_scrollbar.setPageStep(100)
self.set_vscrollbar_value(1)
self.current_index = -1
QApplication.instance().alert(self, 5000)
previous = self.set_bookmarks(self.iterator.bookmarks)
if open_at is None and previous is not None:
self.goto_bookmark(previous)
else:
if open_at is None:
self.next_document()
else:
if open_at > self.pos.maximum():
open_at = self.pos.maximum()
if open_at < self.pos.minimum():
open_at = self.pos.minimum()
self.goto_page(open_at, loaded_check=False)
def job_exception(self, job, dialog_title=_("Conversion Error")):
if not hasattr(self, "_modeless_dialogs"):
self._modeless_dialogs = []
minz = self.is_minimized_to_tray
if self.isVisible():
for x in list(self._modeless_dialogs):
if not x.isVisible():
self._modeless_dialogs.remove(x)
try:
if "calibre.ebooks.DRMError" in job.details:
if not minz:
from calibre.gui2.dialogs.drm_error import DRMErrorMessage
d = DRMErrorMessage(
self, _("Cannot convert") + " " + job.description.split(":")[-1].partition("(")[-1][:-1]
)
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
if "calibre.ebooks.oeb.transforms.split.SplitError" in job.details:
title = job.description.split(":")[-1].partition("(")[-1][:-1]
msg = _("<p><b>Failed to convert: %s") % title
msg += "<p>" + _(
"""
Many older ebook reader devices are incapable of displaying
EPUB files that have internal components over a certain size.
Therefore, when converting to EPUB, calibre automatically tries
to split up the EPUB into smaller sized pieces. For some
files that are large undifferentiated blocks of text, this
splitting fails.
<p>You can <b>work around the problem</b> by either increasing the
maximum split size under EPUB Output in the conversion dialog,
or by turning on Heuristic Processing, also in the conversion
dialog. Note that if you make the maximum split size too large,
your ebook reader may have trouble with the EPUB.
"""
)
if not minz:
d = error_dialog(self, _("Conversion Failed"), msg, det_msg=job.details)
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
if "calibre.web.feeds.input.RecipeDisabled" in job.details:
if not minz:
msg = job.details
msg = msg[msg.find("calibre.web.feeds.input.RecipeDisabled:") :]
msg = msg.partition(":")[-1]
d = error_dialog(self, _("Recipe Disabled"), "<p>%s</p>" % msg)
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
if "calibre.ebooks.conversion.ConversionUserFeedBack:" in job.details:
if not minz:
import json
payload = job.details.rpartition("calibre.ebooks.conversion.ConversionUserFeedBack:")[-1]
payload = json.loads("{" + payload.partition("{")[-1])
d = {"info": info_dialog, "warn": warning_dialog, "error": error_dialog}.get(
payload["level"], error_dialog
)
d = d(self, payload["title"], "<p>%s</p>" % payload["msg"], det_msg=payload["det_msg"])
d.setModal(False)
d.show()
self._modeless_dialogs.append(d)
return
except:
pass
if job.killed:
return
try:
prints(job.details, file=sys.stderr)
except:
pass
if not minz:
self.job_error_dialog.show_error(
dialog_title, _("<b>Failed</b>") + ": " + unicode(job.description), det_msg=job.details
)
