Current File : //lib/calibre/calibre/gui2/metadata/single.py
#!/usr/bin/env python3
__license__ = 'GPL v3'
__copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
import errno
import os
from datetime import datetime
from functools import partial
from qt.core import (
QApplication, QDialog, QDialogButtonBox, QFrame, QGridLayout, QGroupBox,
QHBoxLayout, QIcon, QInputDialog, QKeySequence, QMenu, QPushButton, QScrollArea,
QShortcut, QSize, QSizePolicy, QSpacerItem, QSplitter, Qt, QTabWidget,
QToolButton, QVBoxLayout, QWidget, pyqtSignal
)
from calibre.constants import ismacos
from calibre.ebooks.metadata import authors_to_string, string_to_authors
from calibre.ebooks.metadata.book.base import Metadata
from calibre.gui2 import error_dialog, gprefs, pixmap_to_data
from calibre.gui2.custom_column_widgets import Comments, populate_metadata_page
from calibre.gui2.dialogs.confirm_delete import confirm
from calibre.gui2.metadata.basic_widgets import (
AuthorsEdit, AuthorSortEdit, BuddyLabel, CommentsEdit, Cover, DateEdit,
FormatsManager, IdentifiersEdit, LanguagesEdit, PubdateEdit, PublisherEdit,
RatingEdit, RightClickButton, SeriesEdit, SeriesIndexEdit, TagsEdit, TitleEdit,
TitleSortEdit, show_locked_file_error
)
from calibre.gui2.metadata.single_download import FullFetch
from calibre.gui2.widgets2 import CenteredToolButton
from calibre.library.comments import merge_comments as merge_two_comments
from calibre.utils.date import local_tz
from calibre.utils.localization import canonicalize_lang
from polyglot.builtins import iteritems
BASE_TITLE = _('Edit metadata')
fetched_fields = ('title', 'title_sort', 'authors', 'author_sort', 'series',
'series_index', 'languages', 'publisher', 'tags', 'rating',
'comments', 'pubdate')
class ScrollArea(QScrollArea):
def __init__(self, widget=None, parent=None):
QScrollArea.__init__(self, parent)
self.setFrameShape(QFrame.Shape.NoFrame)
self.setWidgetResizable(True)
if widget is not None:
self.setWidget(widget)
class MetadataSingleDialogBase(QDialog):
view_format = pyqtSignal(object, object)
edit_format = pyqtSignal(object, object)
one_line_comments_toolbar = False
use_toolbutton_for_config_metadata = True
def __init__(self, db, parent=None, editing_multiple=False):
self.db = db
self.was_data_edited = False
self.changed = set()
self.books_to_refresh = set()
self.rows_to_refresh = set()
self.metadata_before_fetch = None
self.editing_multiple = editing_multiple
self.comments_edit_state_at_apply = {}
QDialog.__init__(self, parent)
self.setupUi()
def setupUi(self, *args): # {{{
self.download_shortcut = QShortcut(self)
self.download_shortcut.setKey(QKeySequence('Ctrl+D',
QKeySequence.SequenceFormat.PortableText))
p = self.parent()
if hasattr(p, 'keyboard'):
kname = 'Interface Action: Edit Metadata (Edit Metadata) : menu action : download'
sc = p.keyboard.keys_map.get(kname, None)
if sc:
self.download_shortcut.setKey(sc[0])
self.swap_title_author_shortcut = s = QShortcut(self)
s.setKey(QKeySequence('Alt+Down', QKeySequence.SequenceFormat.PortableText))
self.button_box = bb = QDialogButtonBox(self)
self.button_box.accepted.connect(self.accept)
self.button_box.rejected.connect(self.reject)
self.next_button = QPushButton(QIcon(I('forward.png')), _('Next'),
self)
self.next_button.setShortcut(QKeySequence('Alt+Right'))
self.next_button.clicked.connect(self.next_clicked)
self.prev_button = QPushButton(QIcon(I('back.png')), _('Previous'),
self)
self.prev_button.setShortcut(QKeySequence('Alt+Left'))
self.button_box.addButton(self.prev_button, QDialogButtonBox.ButtonRole.ActionRole)
self.button_box.addButton(self.next_button, QDialogButtonBox.ButtonRole.ActionRole)
self.prev_button.clicked.connect(self.prev_clicked)
bb.setStandardButtons(QDialogButtonBox.StandardButton.Ok|QDialogButtonBox.StandardButton.Cancel)
bb.button(QDialogButtonBox.StandardButton.Ok).setDefault(True)
self.central_widget = QTabWidget(self)
self.l = QVBoxLayout(self)
self.setLayout(self.l)
self.l.addWidget(self.central_widget)
ll = self.button_box_layout = QHBoxLayout()
self.l.addLayout(ll)
ll.addSpacing(10)
ll.addWidget(self.button_box)
self.setWindowIcon(QIcon(I('edit_input.png')))
self.setWindowTitle(BASE_TITLE)
self.create_basic_metadata_widgets()
if len(self.db.custom_column_label_map):
self.create_custom_metadata_widgets()
self.comments_edit_state_at_apply = {self.comments:None}
self.do_layout()
geom = gprefs.get('metasingle_window_geometry3', None)
if geom is not None:
QApplication.instance().safe_restore_geometry(self, bytes(geom))
else:
self.resize(self.sizeHint())
self.restore_widget_settings()
# }}}
def sizeHint(self):
geom = self.screen().availableSize()
nh, nw = max(300, geom.height()-50), max(400, geom.width()-70)
return QSize(nw, nh)
def create_basic_metadata_widgets(self): # {{{
self.basic_metadata_widgets = []
self.languages = LanguagesEdit(self)
self.basic_metadata_widgets.append(self.languages)
self.title = TitleEdit(self)
self.title.textChanged.connect(self.update_window_title)
self.deduce_title_sort_button = QToolButton(self)
self.deduce_title_sort_button.setToolTip(
_('Automatically create the title sort entry based on the current '
'title entry.\nUsing this button to create title sort will '
'change title sort from red to green.'))
self.deduce_title_sort_button.setWhatsThis(
self.deduce_title_sort_button.toolTip())
self.title_sort = TitleSortEdit(self, self.title,
self.deduce_title_sort_button, self.languages)
self.basic_metadata_widgets.extend([self.title, self.title_sort])
self.deduce_author_sort_button = b = RightClickButton(self)
b.setToolTip('<p>' +
_('Automatically create the author sort entry based on the current '
'author entry. Using this button to create author sort will '
'change author sort from red to green. There is a menu of '
'functions available under this button. Click and hold '
'on the button to see it.') + '</p>')
if ismacos:
# Workaround for https://bugreports.qt-project.org/browse/QTBUG-41017
class Menu(QMenu):
def mouseReleaseEvent(self, ev):
ac = self.actionAt(ev.pos())
if ac is not None:
ac.trigger()
return QMenu.mouseReleaseEvent(self, ev)
b.m = m = Menu(b)
else:
b.m = m = QMenu(b)
ac = m.addAction(QIcon(I('forward.png')), _('Set author sort from author'))
ac2 = m.addAction(QIcon(I('back.png')), _('Set author from author sort'))
ac3 = m.addAction(QIcon(I('user_profile.png')), _('Manage authors'))
ac4 = m.addAction(QIcon(I('next.png')),
_('Copy author to author sort'))
ac5 = m.addAction(QIcon(I('previous.png')),
_('Copy author sort to author'))
b.setMenu(m)
self.authors = AuthorsEdit(self, ac3)
self.author_sort = AuthorSortEdit(self, self.authors, b, self.db, ac,
ac2, ac4, ac5)
self.basic_metadata_widgets.extend([self.authors, self.author_sort])
self.swap_title_author_button = QToolButton(self)
self.swap_title_author_button.setIcon(QIcon(I('swap.png')))
self.swap_title_author_button.setToolTip(_(
'Swap the author and title') + ' [%s]' % self.swap_title_author_shortcut.key().toString(QKeySequence.SequenceFormat.NativeText))
self.swap_title_author_button.clicked.connect(self.swap_title_author)
self.swap_title_author_shortcut.activated.connect(self.swap_title_author_button.click)
self.manage_authors_button = QToolButton(self)
self.manage_authors_button.setIcon(QIcon(I('user_profile.png')))
self.manage_authors_button.setToolTip('<p>' + _(
'Manage authors. Use to rename authors and correct '
'individual author\'s sort values') + '</p>')
self.manage_authors_button.clicked.connect(self.authors.manage_authors)
self.series = SeriesEdit(self)
self.clear_series_button = QToolButton(self)
self.clear_series_button.setToolTip(
_('Clear series'))
self.clear_series_button.clicked.connect(self.series.clear)
self.series_index = SeriesIndexEdit(self, self.series)
self.basic_metadata_widgets.extend([self.series, self.series_index])
self.formats_manager = FormatsManager(self, self.copy_fmt)
# We want formats changes to be committed before title/author, as
# otherwise we could have data loss if the title/author changed and the
# user was trying to add an extra file from the old books directory.
self.basic_metadata_widgets.insert(0, self.formats_manager)
self.formats_manager.metadata_from_format_button.clicked.connect(
self.metadata_from_format)
self.formats_manager.cover_from_format_button.clicked.connect(
self.cover_from_format)
self.cover = Cover(self)
self.cover.download_cover.connect(self.download_cover)
self.basic_metadata_widgets.append(self.cover)
self.comments = CommentsEdit(self, self.one_line_comments_toolbar)
self.basic_metadata_widgets.append(self.comments)
self.rating = RatingEdit(self)
self.clear_ratings_button = QToolButton(self)
self.clear_ratings_button.setToolTip(_('Clear rating'))
self.clear_ratings_button.setIcon(QIcon(I('trash.png')))
self.clear_ratings_button.clicked.connect(self.rating.zero)
self.basic_metadata_widgets.append(self.rating)
self.tags = TagsEdit(self)
self.tags_editor_button = QToolButton(self)
self.tags_editor_button.setToolTip(_('Open Tag editor'))
self.tags_editor_button.setIcon(QIcon(I('chapters.png')))
self.tags_editor_button.clicked.connect(self.tags_editor)
self.tags.tag_editor_requested.connect(self.tags_editor)
self.clear_tags_button = QToolButton(self)
self.clear_tags_button.setToolTip(_('Clear all tags'))
self.clear_tags_button.setIcon(QIcon(I('trash.png')))
self.clear_tags_button.clicked.connect(self.tags.clear)
self.basic_metadata_widgets.append(self.tags)
self.identifiers = IdentifiersEdit(self)
self.basic_metadata_widgets.append(self.identifiers)
self.clear_identifiers_button = QToolButton(self)
self.clear_identifiers_button.setIcon(QIcon(I('trash.png')))
self.clear_identifiers_button.setToolTip(_('Clear Ids'))
self.clear_identifiers_button.clicked.connect(self.identifiers.clear)
self.paste_isbn_button = b = RightClickButton(self)
b.setToolTip('<p>' +
_('Paste the contents of the clipboard into the '
'identifiers prefixed with isbn: or url:. Or right click, '
'to choose a different prefix.') + '</p>')
b.setIcon(QIcon(I('edit-paste.png')))
b.clicked.connect(self.identifiers.paste_identifier)
b.setPopupMode(QToolButton.ToolButtonPopupMode.DelayedPopup)
b.setMenu(QMenu(b))
self.update_paste_identifiers_menu()
self.publisher = PublisherEdit(self)
self.basic_metadata_widgets.append(self.publisher)
self.timestamp = DateEdit(self)
self.pubdate = PubdateEdit(self)
self.basic_metadata_widgets.extend([self.timestamp, self.pubdate])
self.fetch_metadata_button = b = CenteredToolButton(QIcon(I('download-metadata.png')), _('&Download metadata'), self)
b.setPopupMode(QToolButton.ToolButtonPopupMode.DelayedPopup)
b.setToolTip(_('Download metadata for this book [%s]') % self.download_shortcut.key().toString(QKeySequence.SequenceFormat.NativeText))
self.fetch_metadata_button.clicked.connect(self.fetch_metadata)
self.fetch_metadata_menu = m = QMenu(self.fetch_metadata_button)
m.addAction(QIcon(I('edit-undo.png')), _('Undo last metadata download'), self.undo_fetch_metadata)
self.fetch_metadata_button.setMenu(m)
self.download_shortcut.activated.connect(self.fetch_metadata_button.click)
if self.use_toolbutton_for_config_metadata:
self.config_metadata_button = QToolButton(self)
self.config_metadata_button.setIcon(QIcon(I('config.png')))
else:
self.config_metadata_button = QPushButton(self)
self.config_metadata_button.setText(_('Configure download metadata'))
self.config_metadata_button.setIcon(QIcon(I('config.png')))
self.config_metadata_button.clicked.connect(self.configure_metadata)
self.config_metadata_button.setToolTip(
_('Change how calibre downloads metadata'))
for w in self.basic_metadata_widgets:
w.data_changed.connect(self.data_changed)
# }}}
def update_paste_identifiers_menu(self):
m = self.paste_isbn_button.menu()
m.clear()
m.addAction(_('Edit list of prefixes'), self.edit_prefix_list)
m.addSeparator()
for prefix in gprefs['paste_isbn_prefixes'][1:]:
m.addAction(prefix, partial(self.identifiers.paste_prefix, prefix))
def edit_prefix_list(self):
prefixes, ok = QInputDialog.getMultiLineText(
self, _('Edit prefixes'), _('Enter prefixes, one on a line. The first prefix becomes the default.'),
'\n'.join(list(map(str, gprefs['paste_isbn_prefixes']))))
if ok:
gprefs['paste_isbn_prefixes'] = list(filter(None, (x.strip() for x in prefixes.splitlines()))) or gprefs.defaults['paste_isbn_prefixes']
self.update_paste_identifiers_menu()
def use_two_columns_for_custom_metadata(self):
raise NotImplementedError
def create_custom_metadata_widgets(self): # {{{
self.custom_metadata_widgets_parent = w = QWidget(self)
layout = QGridLayout()
w.setLayout(layout)
self.custom_metadata_widgets, self.__cc_spacers = \
populate_metadata_page(layout, self.db, None, parent=w, bulk=False,
two_column=self.use_two_columns_for_custom_metadata())
self.__custom_col_layouts = [layout]
for widget in self.custom_metadata_widgets:
widget.connect_data_changed(self.data_changed)
if isinstance(widget, Comments):
self.comments_edit_state_at_apply[widget] = None
# }}}
def set_custom_metadata_tab_order(self, before=None, after=None): # {{{
sto = QWidget.setTabOrder
if getattr(self, 'custom_metadata_widgets', []):
ans = self.custom_metadata_widgets
for i in range(len(ans)-1):
if before is not None and i == 0:
pass
if len(ans[i+1].widgets) == 2:
sto(ans[i].widgets[-1], ans[i+1].widgets[1])
else:
sto(ans[i].widgets[-1], ans[i+1].widgets[0])
for c in range(2, len(ans[i].widgets), 2):
sto(ans[i].widgets[c-1], ans[i].widgets[c+1])
if after is not None:
pass
# }}}
def do_view_format(self, path, fmt):
if path:
self.view_format.emit(None, path)
else:
self.view_format.emit(self.book_id, fmt)
def do_edit_format(self, path, fmt):
if self.was_data_edited:
from calibre.gui2.tweak_book import tprefs
tprefs.refresh() # In case they were changed in a Tweak Book process
from calibre.gui2 import question_dialog
if tprefs['update_metadata_from_calibre'] and question_dialog(
self, _('Save changed metadata?'),
_("You've changed the metadata for this book."
" Edit book is set to update embedded metadata when opened."
" You need to save your changes for them to be included."),
yes_text=_('&Save'), no_text=_("&Don't save"),
yes_icon='dot_green.png', no_icon='dot_red.png',
default_yes=True, skip_dialog_name='edit-metadata-save-before-edit-format'):
if self.apply_changes():
self.was_data_edited = False
self.edit_format.emit(self.book_id, fmt)
def copy_fmt(self, fmt, f):
self.db.copy_format_to(self.book_id, fmt, f, index_is_id=True)
def do_layout(self):
raise NotImplementedError()
def save_widget_settings(self):
pass
def restore_widget_settings(self):
pass
def data_changed(self):
self.was_data_edited = True
def __call__(self, id_):
self.book_id = id_
self.books_to_refresh = set()
self.metadata_before_fetch = None
for widget in self.basic_metadata_widgets:
widget.initialize(self.db, id_)
for widget in getattr(self, 'custom_metadata_widgets', []):
widget.initialize(id_)
if callable(self.set_current_callback):
self.set_current_callback(id_)
self.was_data_edited = False
# Commented out as it doesn't play nice with Next, Prev buttons
# self.fetch_metadata_button.setFocus(Qt.FocusReason.OtherFocusReason)
# Miscellaneous interaction methods {{{
def update_window_title(self, *args):
title = self.title.current_val
if len(title) > 50:
title = title[:50] + '\u2026'
self.setWindowTitle(BASE_TITLE + ' - ' +
title + ' - ' +
_(' [%(num)d of %(tot)d]')%dict(num=self.current_row+1,
tot=len(self.row_list)))
def swap_title_author(self, *args):
title = self.title.current_val
self.title.current_val = authors_to_string(self.authors.current_val)
self.authors.current_val = string_to_authors(title)
self.title_sort.auto_generate()
self.author_sort.auto_generate()
def tags_editor(self, *args):
self.tags.edit(self.db, self.book_id)
def metadata_from_format(self, *args):
mi, ext = self.formats_manager.get_selected_format_metadata(self.db,
self.book_id)
if mi is not None:
self.update_from_mi(mi)
def get_pdf_cover(self):
pdfpath = self.formats_manager.get_format_path(self.db, self.book_id,
'pdf')
from calibre.gui2.metadata.pdf_covers import PDFCovers
d = PDFCovers(pdfpath, parent=self)
if d.exec() == QDialog.DialogCode.Accepted:
cpath = d.cover_path
if cpath:
with open(cpath, 'rb') as f:
self.update_cover(f.read(), 'PDF')
d.cleanup()
def cover_from_format(self, *args):
ext = self.formats_manager.get_selected_format()
if ext is None:
return
if ext == 'pdf':
return self.get_pdf_cover()
try:
mi, ext = self.formats_manager.get_selected_format_metadata(self.db,
self.book_id)
except OSError as err:
if getattr(err, 'errno', None) == errno.EACCES: # Permission denied
import traceback
fname = err.filename if err.filename else 'file'
error_dialog(self, _('Permission denied'),
_('Could not open %s. Is it being used by another'
' program?')%fname, det_msg=traceback.format_exc(),
show=True)
return
raise
if mi is None:
return
cdata = None
if mi.cover and os.access(mi.cover, os.R_OK):
with open(mi.cover, 'rb') as f:
cdata = f.read()
elif mi.cover_data[1] is not None:
cdata = mi.cover_data[1]
if cdata is None:
error_dialog(self, _('Could not read cover'),
_('Could not read cover from %s format')%ext.upper()).exec()
return
self.update_cover(cdata, ext)
def update_cover(self, cdata, fmt):
orig = self.cover.current_val
self.cover.current_val = cdata
if self.cover.current_val is None:
self.cover.current_val = orig
return error_dialog(self, _('Could not read cover'),
_('The cover in the %s format is invalid')%fmt,
show=True)
return
def update_from_mi(self, mi, update_sorts=True, merge_tags=True, merge_comments=False):
fw = self.focusWidget()
if not mi.is_null('title'):
self.title.set_value(mi.title)
if update_sorts:
self.title_sort.auto_generate()
if not mi.is_null('authors'):
self.authors.set_value(mi.authors)
if not mi.is_null('author_sort'):
self.author_sort.set_value(mi.author_sort)
elif update_sorts and not mi.is_null('authors'):
self.author_sort.auto_generate()
if not mi.is_null('rating'):
self.rating.set_value(mi.rating * 2)
if not mi.is_null('publisher'):
self.publisher.set_value(mi.publisher)
if not mi.is_null('tags'):
old_tags = self.tags.current_val
tags = mi.tags if mi.tags else []
if old_tags and merge_tags:
ltags, lotags = {t.lower() for t in tags}, {t.lower() for t in
old_tags}
tags = [t for t in tags if t.lower() in ltags-lotags] + old_tags
self.tags.set_value(tags)
if not mi.is_null('identifiers'):
current = self.identifiers.current_val
current.update(mi.identifiers)
self.identifiers.set_value(current)
if not mi.is_null('pubdate'):
self.pubdate.set_value(mi.pubdate)
if not mi.is_null('series') and mi.series.strip():
self.series.set_value(mi.series)
if mi.series_index is not None:
self.series_index.reset_original()
self.series_index.set_value(float(mi.series_index))
if not mi.is_null('languages'):
langs = [canonicalize_lang(x) for x in mi.languages]
langs = [x for x in langs if x is not None]
if langs:
self.languages.set_value(langs)
if mi.comments and mi.comments.strip():
val = mi.comments
if val and merge_comments:
cval = self.comments.current_val
if cval:
val = merge_two_comments(cval, val)
self.comments.set_value(val)
if fw is not None:
fw.setFocus(Qt.FocusReason.OtherFocusReason)
def fetch_metadata(self, *args):
from calibre.ebooks.metadata.sources.update import update_sources
update_sources()
d = FullFetch(self.cover.pixmap(), self)
ret = d.start(title=self.title.current_val, authors=self.authors.current_val,
identifiers=self.identifiers.current_val)
if ret == QDialog.DialogCode.Accepted:
self.metadata_before_fetch = {f:getattr(self, f).current_val for f in fetched_fields}
from calibre.ebooks.metadata.sources.prefs import msprefs
mi = d.book
dummy = Metadata(_('Unknown'))
for f in msprefs['ignore_fields']:
if ':' not in f:
setattr(mi, f, getattr(dummy, f))
if mi is not None:
pd = mi.pubdate
if pd is not None:
# Put the downloaded published date into the local timezone
# as we discard time info and the date is timezone
# invariant. This prevents the as_local_timezone() call in
# update_from_mi from changing the pubdate
mi.pubdate = datetime(pd.year, pd.month, pd.day,
tzinfo=local_tz)
self.update_from_mi(mi, merge_comments=msprefs['append_comments'])
if d.cover_pixmap is not None:
self.metadata_before_fetch['cover'] = self.cover.current_val
self.cover.current_val = pixmap_to_data(d.cover_pixmap)
def undo_fetch_metadata(self):
if self.metadata_before_fetch is None:
return error_dialog(self, _('No downloaded metadata'), _(
'There is no downloaded metadata to undo'), show=True)
for field, val in iteritems(self.metadata_before_fetch):
getattr(self, field).current_val = val
self.metadata_before_fetch = None
def configure_metadata(self):
from calibre.gui2.preferences import show_config_widget
gui = self.parent()
show_config_widget('Sharing', 'Metadata download', parent=self,
gui=gui, never_shutdown=True)
def download_cover(self, *args):
from calibre.ebooks.metadata.sources.update import update_sources
update_sources()
from calibre.gui2.metadata.single_download import CoverFetch
d = CoverFetch(self.cover.pixmap(), self)
ret = d.start(self.title.current_val, self.authors.current_val,
self.identifiers.current_val)
if ret == QDialog.DialogCode.Accepted:
if d.cover_pixmap is not None:
self.cover.current_val = pixmap_to_data(d.cover_pixmap)
# }}}
def to_book_metadata(self):
mi = Metadata(_('Unknown'))
if self.db is None:
return mi
mi.set_all_user_metadata(self.db.field_metadata.custom_field_metadata())
for widget in self.basic_metadata_widgets:
widget.apply_to_metadata(mi)
for widget in getattr(self, 'custom_metadata_widgets', []):
widget.apply_to_metadata(mi)
return mi
def apply_changes(self):
self.changed.add(self.book_id)
if self.db is None:
# break_cycles has already been called, don't know why this should
# happen but a user reported it
return True
self.comments_edit_state_at_apply = {w:w.tab for w in self.comments_edit_state_at_apply}
for widget in self.basic_metadata_widgets:
try:
if hasattr(widget, 'validate_for_commit'):
title, msg, det_msg = widget.validate_for_commit()
if title is not None:
error_dialog(self, title, msg, det_msg=det_msg, show=True)
return False
widget.commit(self.db, self.book_id)
self.books_to_refresh |= getattr(widget, 'books_to_refresh', set())
except OSError as err:
if getattr(err, 'errno', None) == errno.EACCES: # Permission denied
show_locked_file_error(self, err)
return False
raise
for widget in getattr(self, 'custom_metadata_widgets', []):
self.books_to_refresh |= widget.commit(self.book_id)
self.db.commit()
rows = self.db.refresh_ids(list(self.books_to_refresh))
if rows:
self.rows_to_refresh |= set(rows)
return True
def accept(self):
self.save_state()
if not self.apply_changes():
return
if self.editing_multiple and self.current_row != len(self.row_list) - 1:
num = len(self.row_list) - 1 - self.current_row
from calibre.gui2 import question_dialog
pm = ngettext('There is another book to edit in this set.',
'There are still {} more books to edit in this set.', num).format(num)
if not question_dialog(
self, _('Are you sure?'), pm + ' ' + _(
'Are you sure you want to stop? Use the "Next" button'
' instead of the "OK" button to move through books in the set.'),
yes_text=_('&Stop editing'), no_text=_('&Continue editing'),
yes_icon='dot_red.png', no_icon='dot_green.png',
default_yes=False, skip_dialog_name='edit-metadata-single-confirm-ok-on-multiple'):
return self.do_one(delta=1, apply_changes=False)
QDialog.accept(self)
def reject(self):
self.save_state()
if self.was_data_edited and not confirm(
title=_('Are you sure?'), name='confirm-cancel-edit-single-metadata', msg=_(
'You will lose all unsaved changes. Are you sure?'), parent=self):
return
QDialog.reject(self)
def save_state(self):
try:
gprefs['metasingle_window_geometry3'] = bytearray(self.saveGeometry())
self.save_widget_settings()
except:
# Weird failure, see https://bugs.launchpad.net/bugs/995271
import traceback
traceback.print_exc()
# Dialog use methods {{{
def start(self, row_list, current_row, view_slot=None, edit_slot=None,
set_current_callback=None):
self.row_list = row_list
self.current_row = current_row
if view_slot is not None:
self.view_format.connect(view_slot)
if edit_slot is not None:
self.edit_format.connect(edit_slot)
self.set_current_callback = set_current_callback
self.do_one(apply_changes=False)
ret = self.exec()
self.break_cycles()
return ret
def next_clicked(self):
if not self.apply_changes():
return
self.do_one(delta=1, apply_changes=False)
def prev_clicked(self):
if not self.apply_changes():
return
self.do_one(delta=-1, apply_changes=False)
def do_one(self, delta=0, apply_changes=True):
if apply_changes:
self.apply_changes()
self.current_row += delta
self.update_window_title()
prev = next_ = None
if self.current_row > 0:
prev = self.db.title(self.row_list[self.current_row-1])
if self.current_row < len(self.row_list) - 1:
next_ = self.db.title(self.row_list[self.current_row+1])
if next_ is not None:
tip = _('Save changes and edit the metadata of {} [Alt+Right]').format(next_)
self.next_button.setToolTip(tip)
self.next_button.setEnabled(next_ is not None)
if prev is not None:
tip = _('Save changes and edit the metadata of {} [Alt+Left]').format(prev)
self.prev_button.setToolTip(tip)
self.prev_button.setEnabled(prev is not None)
self.button_box.button(QDialogButtonBox.StandardButton.Ok).setDefault(True)
self.button_box.button(QDialogButtonBox.StandardButton.Ok).setFocus(Qt.FocusReason.OtherFocusReason)
self(self.db.id(self.row_list[self.current_row]))
for w, state in iteritems(self.comments_edit_state_at_apply):
if state == 'code':
w.tab = 'code'
def break_cycles(self):
# Break any reference cycles that could prevent python
# from garbage collecting this dialog
self.set_current_callback = self.db = None
self.metadata_before_fetch = None
def disconnect(signal):
try:
signal.disconnect()
except:
pass # Fails if view format was never connected
disconnect(self.view_format)
disconnect(self.edit_format)
for b in ('next_button', 'prev_button'):
x = getattr(self, b, None)
if x is not None:
disconnect(x.clicked)
for widget in self.basic_metadata_widgets:
bc = getattr(widget, 'break_cycles', None)
if bc is not None and callable(bc):
bc()
for widget in getattr(self, 'custom_metadata_widgets', []):
widget.break_cycles()
# }}}
class Splitter(QSplitter):
frame_resized = pyqtSignal(object)
def resizeEvent(self, ev):
self.frame_resized.emit(ev)
return QSplitter.resizeEvent(self, ev)
class MetadataSingleDialog(MetadataSingleDialogBase): # {{{
def use_two_columns_for_custom_metadata(self):
return gprefs['edit_metadata_single_use_2_cols_for_custom_fields']
def do_layout(self):
if len(self.db.custom_column_label_map) == 0:
self.central_widget.tabBar().setVisible(False)
self.central_widget.clear()
self.tabs = []
self.labels = []
self.tabs.append(QWidget(self))
self.central_widget.addTab(ScrollArea(self.tabs[0], self), _("&Basic metadata"))
self.tabs[0].l = l = QVBoxLayout()
self.tabs[0].tl = tl = QGridLayout()
self.tabs[0].setLayout(l)
w = getattr(self, 'custom_metadata_widgets_parent', None)
if w is not None:
self.tabs.append(w)
self.central_widget.addTab(ScrollArea(w, self), _('&Custom metadata'))
l.addLayout(tl)
l.addItem(QSpacerItem(10, 15, QSizePolicy.Policy.Expanding,
QSizePolicy.Policy.Fixed))
sto = QWidget.setTabOrder
sto(self.button_box, self.fetch_metadata_button)
sto(self.fetch_metadata_button, self.config_metadata_button)
sto(self.config_metadata_button, self.title)
def create_row(row, one, two, three, col=1, icon='forward.png'):
ql = BuddyLabel(one)
tl.addWidget(ql, row, col+0, 1, 1)
self.labels.append(ql)
tl.addWidget(one, row, col+1, 1, 1)
if two is not None:
tl.addWidget(two, row, col+2, 1, 1)
two.setIcon(QIcon(I(icon)))
ql = BuddyLabel(three)
tl.addWidget(ql, row, col+3, 1, 1)
self.labels.append(ql)
tl.addWidget(three, row, col+4, 1, 1)
sto(one, two)
sto(two, three)
tl.addWidget(self.swap_title_author_button, 0, 0, 1, 1)
tl.addWidget(self.manage_authors_button, 1, 0, 1, 1)
sto(self.swap_title_author_button, self.title)
create_row(0, self.title, self.deduce_title_sort_button, self.title_sort)
sto(self.title_sort, self.manage_authors_button)
sto(self.manage_authors_button, self.authors)
create_row(1, self.authors, self.deduce_author_sort_button, self.author_sort)
sto(self.author_sort, self.series)
create_row(2, self.series, self.clear_series_button,
self.series_index, icon='trash.png')
tl.addWidget(self.formats_manager, 0, 6, 3, 1)
self.splitter = Splitter(Qt.Orientation.Horizontal, self)
self.splitter.addWidget(self.cover)
self.splitter.frame_resized.connect(self.cover.frame_resized)
l.addWidget(self.splitter)
self.tabs[0].gb = gb = QGroupBox(_('Change cover'), self)
gb.l = l = QGridLayout()
gb.setLayout(l)
for i, b in enumerate(self.cover.buttons[:3]):
l.addWidget(b, 0, i, 1, 1)
sto(b, self.cover.buttons[i+1])
gb.hl = QHBoxLayout()
for b in self.cover.buttons[3:]:
gb.hl.addWidget(b)
sto(self.cover.buttons[-2], self.cover.buttons[-1])
l.addLayout(gb.hl, 1, 0, 1, 3)
self.tabs[0].middle = w = QWidget(self)
w.l = l = QGridLayout()
w.setLayout(w.l)
self.splitter.addWidget(w)
def create_row2(row, widget, button=None, front_button=None):
row += 1
ql = BuddyLabel(widget)
if front_button:
ltl = QHBoxLayout()
ltl.addWidget(front_button)
ltl.addWidget(ql)
l.addLayout(ltl, row, 0, 1, 1)
else:
l.addWidget(ql, row, 0, 1, 1)
l.addWidget(widget, row, 1, 1, 2 if button is None else 1)
if button is not None:
l.addWidget(button, row, 2, 1, 1)
if button is not None:
sto(widget, button)
l.addWidget(gb, 0, 0, 1, 3)
self.tabs[0].spc_one = QSpacerItem(10, 10, QSizePolicy.Policy.Expanding,
QSizePolicy.Policy.Expanding)
l.addItem(self.tabs[0].spc_one, 1, 0, 1, 3)
sto(self.cover.buttons[-1], self.rating)
create_row2(1, self.rating, self.clear_ratings_button)
sto(self.rating, self.clear_ratings_button)
sto(self.clear_ratings_button, self.tags_editor_button)
sto(self.tags_editor_button, self.tags)
create_row2(2, self.tags, self.clear_tags_button, front_button=self.tags_editor_button)
sto(self.clear_tags_button, self.paste_isbn_button)
sto(self.paste_isbn_button, self.identifiers)
create_row2(3, self.identifiers, self.clear_identifiers_button,
front_button=self.paste_isbn_button)
sto(self.clear_identifiers_button, self.timestamp)
create_row2(4, self.timestamp, self.timestamp.clear_button)
sto(self.timestamp.clear_button, self.pubdate)
create_row2(5, self.pubdate, self.pubdate.clear_button)
sto(self.pubdate.clear_button, self.publisher)
create_row2(6, self.publisher, self.publisher.clear_button)
sto(self.publisher.clear_button, self.languages)
create_row2(7, self.languages)
self.tabs[0].spc_two = QSpacerItem(10, 10, QSizePolicy.Policy.Expanding,
QSizePolicy.Policy.Expanding)
l.addItem(self.tabs[0].spc_two, 9, 0, 1, 3)
l.addWidget(self.fetch_metadata_button, 10, 0, 1, 2)
l.addWidget(self.config_metadata_button, 10, 2, 1, 1)
self.tabs[0].gb2 = gb = QGroupBox(_('Co&mments'), self)
gb.l = l = QVBoxLayout()
l.setContentsMargins(0, 0, 0, 0)
gb.setLayout(l)
l.addWidget(self.comments)
self.splitter.addWidget(gb)
self.set_custom_metadata_tab_order()
def save_widget_settings(self):
gprefs['basic_metadata_widget_splitter_state'] = bytearray(self.splitter.saveState())
def restore_widget_settings(self):
s = gprefs.get('basic_metadata_widget_splitter_state')
if s is not None:
self.splitter.restoreState(s)
# }}}
class DragTrackingWidget(QWidget): # {{{
def __init__(self, parent, on_drag_enter):
QWidget.__init__(self, parent)
self.on_drag_enter = on_drag_enter
def dragEnterEvent(self, ev):
self.on_drag_enter.emit()
# }}}
class MetadataSingleDialogAlt1(MetadataSingleDialogBase): # {{{
one_line_comments_toolbar = True
use_toolbutton_for_config_metadata = False
on_drag_enter = pyqtSignal()
def handle_drag_enter(self):
self.central_widget.setCurrentIndex(1)
def use_two_columns_for_custom_metadata(self):
return False
def do_layout(self):
self.central_widget.clear()
self.tabs = []
self.labels = []
sto = QWidget.setTabOrder
self.on_drag_enter.connect(self.handle_drag_enter)
self.tabs.append(DragTrackingWidget(self, self.on_drag_enter))
self.central_widget.addTab(ScrollArea(self.tabs[0], self), _("&Metadata"))
self.tabs[0].l = QGridLayout()
self.tabs[0].setLayout(self.tabs[0].l)
self.tabs.append(QWidget(self))
self.central_widget.addTab(ScrollArea(self.tabs[1], self), _("&Cover and formats"))
self.tabs[1].l = QGridLayout()
self.tabs[1].setLayout(self.tabs[1].l)
# accept drop events so we can automatically switch to the second tab to
# drop covers and formats
self.tabs[0].setAcceptDrops(True)
# Tab 0
tab0 = self.tabs[0]
tl = QGridLayout()
gb = QGroupBox(_('&Basic metadata'), self.tabs[0])
self.tabs[0].l.addWidget(gb, 0, 0, 1, 1)
gb.setLayout(tl)
self.button_box_layout.insertWidget(1, self.fetch_metadata_button)
self.button_box_layout.insertWidget(2, self.config_metadata_button)
sto(self.button_box, self.fetch_metadata_button)
sto(self.fetch_metadata_button, self.config_metadata_button)
sto(self.config_metadata_button, self.title)
def create_row(row, widget, tab_to, button=None, icon=None, span=1):
ql = BuddyLabel(widget)
tl.addWidget(ql, row, 1, 1, 1)
tl.addWidget(widget, row, 2, 1, 1)
if button is not None:
tl.addWidget(button, row, 3, span, 1)
if icon is not None:
button.setIcon(QIcon(I(icon)))
if tab_to is not None:
if button is not None:
sto(widget, button)
sto(button, tab_to)
else:
sto(widget, tab_to)
tl.addWidget(self.swap_title_author_button, 0, 0, 2, 1)
tl.addWidget(self.manage_authors_button, 2, 0, 1, 1)
tl.addWidget(self.paste_isbn_button, 12, 0, 1, 1)
tl.addWidget(self.tags_editor_button, 6, 0, 1, 1)
create_row(0, self.title, self.title_sort,
button=self.deduce_title_sort_button, span=2,
icon='auto_author_sort.png')
create_row(1, self.title_sort, self.authors)
create_row(2, self.authors, self.author_sort,
button=self.deduce_author_sort_button,
span=2, icon='auto_author_sort.png')
create_row(3, self.author_sort, self.series)
create_row(4, self.series, self.series_index,
button=self.clear_series_button, icon='trash.png')
create_row(5, self.series_index, self.tags)
create_row(6, self.tags, self.rating, button=self.clear_tags_button)
create_row(7, self.rating, self.pubdate, button=self.clear_ratings_button)
create_row(8, self.pubdate, self.publisher,
button=self.pubdate.clear_button, icon='trash.png')
create_row(9, self.publisher, self.languages, button=self.publisher.clear_button, icon='trash.png')
create_row(10, self.languages, self.timestamp)
create_row(11, self.timestamp, self.identifiers,
button=self.timestamp.clear_button, icon='trash.png')
create_row(12, self.identifiers, self.comments,
button=self.clear_identifiers_button, icon='trash.png')
sto(self.clear_identifiers_button, self.swap_title_author_button)
sto(self.swap_title_author_button, self.manage_authors_button)
sto(self.manage_authors_button, self.tags_editor_button)
sto(self.tags_editor_button, self.paste_isbn_button)
tl.addItem(QSpacerItem(1, 1, QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Expanding),
13, 1, 1 ,1)
w = getattr(self, 'custom_metadata_widgets_parent', None)
if w is not None:
gb = QGroupBox(_('C&ustom metadata'), tab0)
gbl = QVBoxLayout()
gb.setLayout(gbl)
sr = QScrollArea(tab0)
sr.setWidgetResizable(True)
sr.setFrameStyle(QFrame.Shape.NoFrame)
sr.setWidget(w)
gbl.addWidget(sr)
self.tabs[0].l.addWidget(gb, 0, 1, 1, 1)
sto(self.identifiers, gb)
w = QGroupBox(_('&Comments'), tab0)
sp = QSizePolicy()
sp.setVerticalStretch(10)
sp.setHorizontalPolicy(QSizePolicy.Policy.Expanding)
sp.setVerticalPolicy(QSizePolicy.Policy.Expanding)
w.setSizePolicy(sp)
l = QHBoxLayout()
w.setLayout(l)
l.addWidget(self.comments)
tab0.l.addWidget(w, 1, 0, 1, 2)
# Tab 1
tab1 = self.tabs[1]
wsp = QWidget(tab1)
wgl = QVBoxLayout()
wsp.setLayout(wgl)
# right-hand side of splitter
gb = QGroupBox(_('Change cover'), tab1)
l = QGridLayout()
gb.setLayout(l)
for i, b in enumerate(self.cover.buttons[:3]):
l.addWidget(b, 0, i, 1, 1)
sto(b, self.cover.buttons[i+1])
hl = QHBoxLayout()
for b in self.cover.buttons[3:]:
hl.addWidget(b)
sto(self.cover.buttons[-2], self.cover.buttons[-1])
l.addLayout(hl, 1, 0, 1, 3)
wgl.addWidget(gb)
wgl.addItem(QSpacerItem(10, 10, QSizePolicy.Policy.Expanding,
QSizePolicy.Policy.Expanding))
wgl.addItem(QSpacerItem(10, 10, QSizePolicy.Policy.Expanding,
QSizePolicy.Policy.Expanding))
wgl.addWidget(self.formats_manager)
self.splitter = QSplitter(Qt.Orientation.Horizontal, tab1)
tab1.l.addWidget(self.splitter)
self.splitter.addWidget(self.cover)
self.splitter.addWidget(wsp)
self.formats_manager.formats.setMaximumWidth(10000)
self.formats_manager.formats.setIconSize(QSize(64, 64))
# }}}
class MetadataSingleDialogAlt2(MetadataSingleDialogBase): # {{{
one_line_comments_toolbar = True
use_toolbutton_for_config_metadata = False
def use_two_columns_for_custom_metadata(self):
return False
def do_layout(self):
self.central_widget.clear()
self.labels = []
sto = QWidget.setTabOrder
# The dialog is in three main parts. Basic and custom metadata in one
# panel on the left over another panel containing comments, separated
# by a splitter. The cover and format information is in a panel on the
# right, separated by another splitter.
main_splitter = self.main_splitter = Splitter(Qt.Orientation.Horizontal, self)
self.central_widget.tabBar().setVisible(False)
self.central_widget.addTab(ScrollArea(main_splitter, self), _("&Metadata"))
# Left side (metadata & comments)
# basic and custom split from comments
metadata_splitter = self.metadata_splitter = Splitter(Qt.Orientation.Vertical, self)
main_splitter.addWidget(metadata_splitter)
metadata_widget = QWidget()
metadata_layout = QHBoxLayout()
metadata_layout.setContentsMargins(3, 0, 0, 0)
metadata_widget.setLayout(metadata_layout)
metadata_splitter.addWidget(metadata_widget)
gb = QGroupBox(_('Basic metadata'), metadata_splitter)
metadata_layout.addWidget(gb)
# Basic metadata in col 0, custom in col 1
tl = QGridLayout()
gb.setLayout(tl)
self.button_box_layout.insertWidget(1, self.fetch_metadata_button)
self.button_box_layout.insertWidget(2, self.config_metadata_button)
sto(self.button_box, self.fetch_metadata_button)
sto(self.fetch_metadata_button, self.config_metadata_button)
sto(self.config_metadata_button, self.title)
def create_row(row, widget, tab_to, button=None, icon=None, span=1):
ql = BuddyLabel(widget)
tl.addWidget(ql, row, 1, 1, 1)
tl.addWidget(widget, row, 2, 1, 1)
if button is not None:
tl.addWidget(button, row, 3, span, 1)
if icon is not None:
button.setIcon(QIcon(I(icon)))
if tab_to is not None:
if button is not None:
sto(widget, button)
sto(button, tab_to)
else:
sto(widget, tab_to)
tl.addWidget(self.swap_title_author_button, 0, 0, 2, 1)
tl.addWidget(self.manage_authors_button, 2, 0, 2, 1)
tl.addWidget(self.paste_isbn_button, 12, 0, 1, 1)
tl.addWidget(self.tags_editor_button, 6, 0, 1, 1)
create_row(0, self.title, self.title_sort,
button=self.deduce_title_sort_button, span=2,
icon='auto_author_sort.png')
create_row(1, self.title_sort, self.authors)
create_row(2, self.authors, self.author_sort,
button=self.deduce_author_sort_button,
span=2, icon='auto_author_sort.png')
create_row(3, self.author_sort, self.series)
create_row(4, self.series, self.series_index,
button=self.clear_series_button, icon='trash.png')
create_row(5, self.series_index, self.tags)
create_row(6, self.tags, self.rating, button=self.clear_tags_button)
create_row(7, self.rating, self.pubdate, button=self.clear_ratings_button)
create_row(8, self.pubdate, self.publisher,
button=self.pubdate.clear_button, icon='trash.png')
create_row(9, self.publisher, self.languages,
button=self.publisher.clear_button, icon='trash.png')
create_row(10, self.languages, self.timestamp)
create_row(11, self.timestamp, self.identifiers,
button=self.timestamp.clear_button, icon='trash.png')
create_row(12, self.identifiers, self.comments,
button=self.clear_identifiers_button, icon='trash.png')
sto(self.clear_identifiers_button, self.swap_title_author_button)
sto(self.swap_title_author_button, self.manage_authors_button)
sto(self.manage_authors_button, self.tags_editor_button)
sto(self.tags_editor_button, self.paste_isbn_button)
tl.addItem(QSpacerItem(1, 1, QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Expanding),
13, 1, 1 ,1)
# Custom metadata in col 1
w = getattr(self, 'custom_metadata_widgets_parent', None)
if w is not None:
gb = QGroupBox(_('Custom metadata'), metadata_splitter)
gbl = QVBoxLayout()
gb.setLayout(gbl)
sr = QScrollArea(gb)
sr.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
sr.setWidgetResizable(True)
sr.setFrameStyle(QFrame.Shape.NoFrame)
sr.setWidget(w)
gbl.addWidget(sr)
metadata_layout.addWidget(gb)
sp = QSizePolicy()
sp.setVerticalStretch(10)
sp.setHorizontalPolicy(QSizePolicy.Policy.Minimum)
sp.setVerticalPolicy(QSizePolicy.Policy.Expanding)
gb.setSizePolicy(sp)
self.set_custom_metadata_tab_order()
# comments below metadata splitter. The mess of widgets is to get the
# contents margins right so things line up
cw = QWidget()
cl = QHBoxLayout()
cw.setLayout(cl)
cl.setContentsMargins(3, 0, 0, 0)
metadata_splitter.addWidget(cw)
# Now the real stuff
sp = QSizePolicy()
sp.setVerticalStretch(10)
sp.setHorizontalPolicy(QSizePolicy.Policy.Expanding)
sp.setVerticalPolicy(QSizePolicy.Policy.Expanding)
cw.setSizePolicy(sp)
gb = QGroupBox(_('Comments'), metadata_splitter)
gbl = QHBoxLayout()
gbl.setContentsMargins(0, 0, 0, 0)
gb.setLayout(gbl)
cl.addWidget(gb)
gbl.addWidget(self.comments)
# Cover & formats on right side
# First the cover & buttons
cover_group_box = QGroupBox(_('Cover'), main_splitter)
cover_layout = QVBoxLayout()
cover_layout.setContentsMargins(0, 0, 0, 0)
cover_group_box.setLayout(cover_layout)
cover_layout.addWidget(self.cover)
sto(self.manage_authors_button, self.cover.buttons[0])
# First row of cover buttons
hl = QHBoxLayout()
hl.setContentsMargins(0, 0, 0, 0)
for i, b in enumerate(self.cover.buttons[:3]):
hl.addWidget(b)
sto(b, self.cover.buttons[i+1])
cover_layout.addLayout(hl)
# Second row of cover buttons
hl = QHBoxLayout()
hl.setContentsMargins(0, 0, 0, 0)
for b in self.cover.buttons[3:]:
hl.addWidget(b)
cover_layout.addLayout(hl)
sto(self.cover.buttons[-2], self.cover.buttons[-1])
# Splitter for both cover & formats boxes
self.cover_and_formats = cover_and_formats = QSplitter(Qt.Orientation.Vertical)
# Put a very small margin on the left so that the word "Cover" doesn't
# touch the splitter
cover_and_formats.setContentsMargins(1, 0, 0, 0)
cover_and_formats.addWidget(cover_group_box)
# Add the formats manager box
cover_and_formats.addWidget(self.formats_manager)
sto(self.cover.buttons[-1], self.formats_manager)
self.formats_manager.formats.setMaximumWidth(10000)
self.formats_manager.formats.setIconSize(QSize(32, 32))
main_splitter.addWidget(cover_and_formats)
def save_widget_settings(self):
gprefs['all_on_one_metadata_splitter_1_state'] = bytearray(self.metadata_splitter.saveState())
gprefs['all_on_one_metadata_splitter_2_state'] = bytearray(self.main_splitter.saveState())
gprefs['all_on_one_metadata_splitter_3_state'] = bytearray(self.cover_and_formats.saveState())
def restore_widget_settings(self):
s = gprefs.get('all_on_one_metadata_splitter_1_state')
if s is not None:
self.metadata_splitter.restoreState(s)
s = gprefs.get('all_on_one_metadata_splitter_2_state')
if s is not None:
self.main_splitter.restoreState(s)
s = gprefs.get('all_on_one_metadata_splitter_3_state')
if s is not None:
self.cover_and_formats.restoreState(s)
# }}}
editors = {'default': MetadataSingleDialog, 'alt1': MetadataSingleDialogAlt1,
'alt2': MetadataSingleDialogAlt2}
def edit_metadata(db, row_list, current_row, parent=None, view_slot=None, edit_slot=None,
set_current_callback=None, editing_multiple=False):
cls = gprefs.get('edit_metadata_single_layout', '')
if cls not in editors:
cls = 'default'
d = editors[cls](db, parent, editing_multiple=editing_multiple)
try:
d.start(row_list, current_row, view_slot=view_slot, edit_slot=edit_slot,
set_current_callback=set_current_callback)
return d.changed, d.rows_to_refresh
finally:
# possible workaround for bug reports of occasional ghost edit metadata dialog on windows
d.deleteLater()
if __name__ == '__main__':
from calibre.gui2 import Application
app = Application([])
from calibre.library import db
db = db()
row_list = list(range(len(db.data)))
edit_metadata(db, row_list, 0)
Mini Shell