Exemple #1
0
def show_report(changed, title, report, parent, show_current_diff):
    report = format_report(title, report)
    d = QDialog(parent)
    d.setWindowTitle(_('Action report'))
    d.l = QVBoxLayout()
    d.setLayout(d.l)
    d.e = QTextBrowser(d)
    d.l.addWidget(d.e)
    d.e.setHtml(report)
    d.bb = QDialogButtonBox(QDialogButtonBox.Close)
    d.show_changes = False
    if changed:
        b = d.b = d.bb.addButton(_('See what &changed'), d.bb.AcceptRole)
        b.setIcon(QIcon(I('diff.png'))), b.setAutoDefault(False)
        connect_lambda(b.clicked, d,
                       lambda d: setattr(d, 'show_changes', True))
    b = d.bb.addButton(_('&Copy to clipboard'), d.bb.ActionRole)
    b.setIcon(QIcon(I('edit-copy.png'))), b.setAutoDefault(False)

    def copy_report():
        text = re.sub(r'</.+?>', '\n', report)
        text = re.sub(r'<.+?>', '', text)
        cp = QApplication.instance().clipboard()
        cp.setText(text)

    b.clicked.connect(copy_report)
    d.bb.button(d.bb.Close).setDefault(True)
    d.l.addWidget(d.bb)
    d.bb.rejected.connect(d.reject)
    d.bb.accepted.connect(d.accept)
    d.resize(600, 400)
    d.exec_()
    b.clicked.disconnect()
    if d.show_changes:
        show_current_diff(allow_revert=True)
Exemple #2
0
def show_report(changed, title, report, parent, show_current_diff):
    report = format_report(title, report)
    d = QDialog(parent)
    d.setWindowTitle(_('Action report'))
    d.l = QVBoxLayout()
    d.setLayout(d.l)
    d.e = QTextBrowser(d)
    d.l.addWidget(d.e)
    d.e.setHtml(report)
    d.bb = QDialogButtonBox(QDialogButtonBox.Close)
    if changed:
        b = d.b = d.bb.addButton(_('See what &changed'), d.bb.AcceptRole)
        b.setIcon(QIcon(I('diff.png'))), b.setAutoDefault(False)
        b.clicked.connect(lambda : show_current_diff(allow_revert=True), type=Qt.QueuedConnection)
    b = d.bb.addButton(_('&Copy to clipboard'), d.bb.ActionRole)
    b.setIcon(QIcon(I('edit-copy.png'))), b.setAutoDefault(False)

    def copy_report():
        text = re.sub(r'</.+?>', '\n', report)
        text = re.sub(r'<.+?>', '', text)
        cp = QApplication.instance().clipboard()
        cp.setText(text)

    b.clicked.connect(copy_report)
    d.bb.button(d.bb.Close).setDefault(True)
    d.l.addWidget(d.bb)
    d.bb.rejected.connect(d.reject)
    d.bb.accepted.connect(d.accept)
    d.resize(600, 400)
    d.exec_()
    b.clicked.disconnect()
Exemple #3
0
def customize_remove_unused_css(name, parent, ans):
    d = QDialog(parent)
    d.l = l = QVBoxLayout()
    d.setLayout(d.l)
    d.setWindowTitle(_('Remove unused CSS'))

    def label(text):
        la = QLabel(text)
        la.setWordWrap(True), l.addWidget(la), la.setMinimumWidth(450)
        l.addWidget(la)
        return la

    d.la = label(_(
        'This will remove all CSS rules that do not match any actual content.'
        ' There are a couple of additional cleanups you can enable, below:'))
    d.c = c = QCheckBox(_('Remove unused &class attributes'))
    c.setChecked(tprefs['remove_unused_classes'])
    l.addWidget(c)
    d.la2 = label('<span style="font-size:small; font-style: italic">' + _(
        'Remove all class attributes from the HTML that do not match any existing CSS rules'))
    d.m = m = QCheckBox(_('Merge identical CSS rules'))
    m.setChecked(tprefs['merge_identical_selectors'])
    l.addWidget(m)
    d.la3 = label('<span style="font-size:small; font-style: italic">' + _(
        'Merge CSS rules in the same stylesheet that have identical selectors.'
    ' Note that in rare cases merging can result in a change to the effective styling'
    ' of the book, so use with care.'))
    d.bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
    d.l.addWidget(d.bb)
    d.bb.rejected.connect(d.reject)
    d.bb.accepted.connect(d.accept)
    if d.exec_() != d.Accepted:
        raise Abort()
    ans['remove_unused_classes'] = tprefs['remove_unused_classes'] = c.isChecked()
    ans['merge_identical_selectors'] = tprefs['merge_identical_selectors'] = m.isChecked()
Exemple #4
0
def customize_remove_unused_css(name, parent, ans):
    d = QDialog(parent)
    d.l = l = QVBoxLayout()
    d.setLayout(d.l)
    d.setWindowTitle(_('Remove unused CSS'))

    def label(text):
        la = QLabel(text)
        la.setWordWrap(True), l.addWidget(la), la.setMinimumWidth(450)
        l.addWidget(la)
        return la

    d.la = label(_(
        'This will remove all CSS rules that do not match any actual content.'
        ' There are a couple of additional cleanups you can enable, below:'))
    d.c = c = QCheckBox(_('Remove unused &class attributes'))
    c.setChecked(tprefs['remove_unused_classes'])
    l.addWidget(c)
    d.la2 = label('<span style="font-size:small; font-style: italic">' + _(
        'Remove all class attributes from the HTML that do not match any existing CSS rules'))
    d.m = m = QCheckBox(_('Merge identical CSS rules'))
    m.setChecked(tprefs['merge_identical_selectors'])
    l.addWidget(m)
    d.la3 = label('<span style="font-size:small; font-style: italic">' + _(
        'Merge CSS rules in the same stylesheet that have identical selectors.'
    ' Note that in rare cases merging can result in a change to the effective styling'
    ' of the book, so use with care.'))
    d.bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
    d.l.addWidget(d.bb)
    d.bb.rejected.connect(d.reject)
    d.bb.accepted.connect(d.accept)
    if d.exec_() != d.Accepted:
        raise Abort()
    ans['remove_unused_classes'] = tprefs['remove_unused_classes'] = c.isChecked()
    ans['merge_identical_selectors'] = tprefs['merge_identical_selectors'] = m.isChecked()
Exemple #5
0
    def add_builtin_recipe(self):
        from calibre.web.feeds.recipes.collection import \
            get_builtin_recipe_collection, get_builtin_recipe_by_id
        from PyQt5.Qt import QDialog, QVBoxLayout, QListWidgetItem, \
                QListWidget, QDialogButtonBox, QSize

        d = QDialog(self)
        d.l = QVBoxLayout()
        d.setLayout(d.l)
        d.list = QListWidget(d)
        d.list.doubleClicked.connect(lambda x: d.accept())
        d.l.addWidget(d.list)
        d.bb = QDialogButtonBox(QDialogButtonBox.Ok|QDialogButtonBox.Cancel,
                Qt.Horizontal, d)
        d.bb.accepted.connect(d.accept)
        d.bb.rejected.connect(d.reject)
        d.l.addWidget(d.bb)
        d.setWindowTitle(_('Choose builtin recipe'))
        items = []
        for r in get_builtin_recipe_collection():
            id_ = r.get('id', '')
            title = r.get('title', '')
            lang = r.get('language', '')
            if id_ and title:
                items.append((title + ' [%s]'%lang, id_))

        items.sort(key=lambda x:sort_key(x[0]))
        for title, id_ in items:
            item = QListWidgetItem(title)
            item.setData(Qt.UserRole, id_)
            d.list.addItem(item)

        d.resize(QSize(450, 400))
        ret = d.exec_()
        d.list.doubleClicked.disconnect()
        if ret != d.Accepted:
            return

        items = list(d.list.selectedItems())
        if not items:
            return
        item = items[-1]
        id_ = unicode(item.data(Qt.UserRole) or '')
        title = unicode(item.data(Qt.DisplayRole) or '').rpartition(' [')[0]
        profile = get_builtin_recipe_by_id(id_, download_recipe=True)
        if profile is None:
            raise Exception('Something weird happened')

        if self._model.has_title(title):
            if question_dialog(self, _('Replace recipe?'),
                _('A custom recipe named %s already exists. Do you want to '
                    'replace it?')%title):
                self._model.replace_by_title(title, profile)
            else:
                return
        else:
            self.model.add(title, profile)

        self.clear()
Exemple #6
0
    def ask_link(self):
        d = QDialog(self)
        d.setWindowTitle(_('Create link'))
        l = QFormLayout()
        l.setFieldGrowthPolicy(QFormLayout.ExpandingFieldsGrow)
        d.setLayout(l)
        d.url = QLineEdit(d)
        d.name = QLineEdit(d)
        d.treat_as_image = QCheckBox(d)
        d.setMinimumWidth(600)
        d.bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
        d.br = b = QPushButton(_('&Browse'))
        b.setIcon(QIcon(I('document_open.png')))

        def cf():
            files = choose_files(d,
                                 'select link file',
                                 _('Choose file'),
                                 select_only_single_file=True)
            if files:
                path = files[0]
                d.url.setText(path)
                if path and os.path.exists(path):
                    with lopen(path, 'rb') as f:
                        q = what(f)
                    is_image = q in {'jpeg', 'png', 'gif'}
                    d.treat_as_image.setChecked(is_image)

        b.clicked.connect(cf)
        d.la = la = QLabel(
            _('Enter a URL. If you check the "Treat the URL as an image" box '
              'then the URL will be added as an image reference instead of as '
              'a link. You can also choose to create a link to a file on '
              'your computer. '
              'Note that if you create a link to a file on your computer, it '
              'will stop working if the file is moved.'))
        la.setWordWrap(True)
        la.setStyleSheet('QLabel { margin-bottom: 1.5ex }')
        l.setWidget(0, l.SpanningRole, la)
        l.addRow(_('Enter &URL:'), d.url)
        l.addRow(_('Treat the URL as an &image'), d.treat_as_image)
        l.addRow(_('Enter &name (optional):'), d.name)
        l.addRow(_('Choose a file on your computer:'), d.br)
        l.addRow(d.bb)
        d.bb.accepted.connect(d.accept)
        d.bb.rejected.connect(d.reject)
        d.resize(d.sizeHint())
        link, name, is_image = None, None, False
        if d.exec_() == d.Accepted:
            link, name = unicode_type(d.url.text()).strip(), unicode_type(
                d.name.text()).strip()
            is_image = d.treat_as_image.isChecked()
        return link, name, is_image
Exemple #7
0
    def ask_link(self):
        d = QDialog(self)
        d.setWindowTitle(_('Create link'))
        l = QFormLayout()
        l.setFieldGrowthPolicy(QFormLayout.ExpandingFieldsGrow)
        d.setLayout(l)
        d.url = QLineEdit(d)
        d.name = QLineEdit(d)
        d.treat_as_image = QCheckBox(d)
        d.setMinimumWidth(600)
        d.bb = QDialogButtonBox(QDialogButtonBox.Ok|QDialogButtonBox.Cancel)
        d.br = b = QPushButton(_('&Browse'))
        b.setIcon(QIcon(I('document_open.png')))

        def cf():
            files = choose_files(d, 'select link file', _('Choose file'), select_only_single_file=True)
            if files:
                path = files[0]
                d.url.setText(path)
                if path and os.path.exists(path):
                    with lopen(path, 'rb') as f:
                        q = what(f)
                    is_image = q in {'jpeg', 'png', 'gif'}
                    d.treat_as_image.setChecked(is_image)

        b.clicked.connect(cf)
        d.la = la = QLabel(_(
            'Enter a URL. If you check the "Treat the URL as an image" box '
            'then the URL will be added as an image reference instead of as '
            'a link. You can also choose to create a link to a file on '
            'your computer. '
            'Note that if you create a link to a file on your computer, it '
            'will stop working if the file is moved.'))
        la.setWordWrap(True)
        la.setStyleSheet('QLabel { margin-bottom: 1.5ex }')
        l.setWidget(0, l.SpanningRole, la)
        l.addRow(_('Enter &URL:'), d.url)
        l.addRow(_('Treat the URL as an &image'), d.treat_as_image)
        l.addRow(_('Enter &name (optional):'), d.name)
        l.addRow(_('Choose a file on your computer:'), d.br)
        l.addRow(d.bb)
        d.bb.accepted.connect(d.accept)
        d.bb.rejected.connect(d.reject)
        d.resize(d.sizeHint())
        link, name, is_image = None, None, False
        if d.exec_() == d.Accepted:
            link, name = unicode(d.url.text()).strip(), unicode(d.name.text()).strip()
            is_image = d.treat_as_image.isChecked()
        return link, name, is_image
Exemple #8
0
    def customize_recipe(self):
        d = QDialog(self)
        d.l = QVBoxLayout()
        d.setLayout(d.l)
        d.list = QListWidget(d)
        connect_lambda(d.list.doubleClicked, d, lambda d: d.accept())
        d.l.addWidget(d.list)
        d.bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel,
                                Qt.Horizontal, d)
        d.bb.accepted.connect(d.accept)
        d.bb.rejected.connect(d.reject)
        d.l.addWidget(d.bb)
        d.setWindowTitle(_('Choose builtin recipe'))
        items = []
        for r in get_builtin_recipe_collection():
            id_ = r.get('id', '')
            title = r.get('title', '')
            lang = r.get('language', '')
            if id_ and title:
                items.append((title + ' [%s]' % lang, id_))

        items.sort(key=lambda x: sort_key(x[0]))
        for title, id_ in items:
            item = QListWidgetItem(title)
            item.setData(Qt.UserRole, id_)
            d.list.addItem(item)

        d.resize(QSize(450, 400))
        ret = d.exec_()
        d.list.doubleClicked.disconnect()
        if ret != d.Accepted:
            return

        items = list(d.list.selectedItems())
        if not items:
            return
        item = items[-1]
        id_ = unicode_type(item.data(Qt.UserRole) or '')
        title = unicode_type(item.data(Qt.DisplayRole)
                             or '').rpartition(' [')[0]
        src = get_builtin_recipe_by_id(id_, download_recipe=True)
        if src is None:
            raise Exception('Something weird happened')
        src = as_unicode(src)

        self.edit_recipe(None, src)
Exemple #9
0
    def customize_recipe(self):
        d = QDialog(self)
        d.l = QVBoxLayout()
        d.setLayout(d.l)
        d.list = QListWidget(d)
        d.list.doubleClicked.connect(lambda x: d.accept())
        d.l.addWidget(d.list)
        d.bb = QDialogButtonBox(QDialogButtonBox.Ok|QDialogButtonBox.Cancel,
                Qt.Horizontal, d)
        d.bb.accepted.connect(d.accept)
        d.bb.rejected.connect(d.reject)
        d.l.addWidget(d.bb)
        d.setWindowTitle(_('Choose builtin recipe'))
        items = []
        for r in get_builtin_recipe_collection():
            id_ = r.get('id', '')
            title = r.get('title', '')
            lang = r.get('language', '')
            if id_ and title:
                items.append((title + ' [%s]'%lang, id_))

        items.sort(key=lambda x:sort_key(x[0]))
        for title, id_ in items:
            item = QListWidgetItem(title)
            item.setData(Qt.UserRole, id_)
            d.list.addItem(item)

        d.resize(QSize(450, 400))
        ret = d.exec_()
        d.list.doubleClicked.disconnect()
        if ret != d.Accepted:
            return

        items = list(d.list.selectedItems())
        if not items:
            return
        item = items[-1]
        id_ = unicode(item.data(Qt.UserRole) or '')
        title = unicode(item.data(Qt.DisplayRole) or '').rpartition(' [')[0]
        src = get_builtin_recipe_by_id(id_, download_recipe=True)
        if src is None:
            raise Exception('Something weird happened')

        self.edit_recipe(None, src)
Exemple #10
0
def show_report(changed, title, report, parent, show_current_diff):
    report = format_report(title, report)
    d = QDialog(parent)
    d.l = QVBoxLayout()
    d.setLayout(d.l)
    d.e = QTextBrowser(d)
    d.l.addWidget(d.e)
    d.e.setHtml(report)
    d.bb = QDialogButtonBox(QDialogButtonBox.Close)
    if changed:
        b = d.b = d.bb.addButton(_('See what &changed'), d.bb.AcceptRole)
        b.setIcon(QIcon(I('diff.png'))), b.setAutoDefault(False)
        b.clicked.connect(partial(show_current_diff, allow_revert=True))
    d.bb.button(d.bb.Close).setDefault(True)
    d.l.addWidget(d.bb)
    d.bb.rejected.connect(d.reject)
    d.bb.accepted.connect(d.accept)
    d.resize(600, 400)
    d.exec_()
Exemple #11
0
def show_report(changed, title, report, parent, show_current_diff):
    report = format_report(title, report)
    d = QDialog(parent)
    d.l = QVBoxLayout()
    d.setLayout(d.l)
    d.e = QTextBrowser(d)
    d.l.addWidget(d.e)
    d.e.setHtml(report)
    d.bb = QDialogButtonBox(QDialogButtonBox.Close)
    if changed:
        b = d.b = d.bb.addButton(_('See what &changed'), d.bb.AcceptRole)
        b.setIcon(QIcon(I('diff.png'))), b.setAutoDefault(False)
        b.clicked.connect(partial(show_current_diff, allow_revert=True))
    d.bb.button(d.bb.Close).setDefault(True)
    d.l.addWidget(d.bb)
    d.bb.rejected.connect(d.reject)
    d.bb.accepted.connect(d.accept)
    d.resize(600, 400)
    d.exec_()
Exemple #12
0
def customize_remove_unused_css(name, parent, ans):
    d = QDialog(parent)
    d.l = l = QVBoxLayout()
    d.setLayout(d.l)
    d.setWindowTitle(_('Remove unused CSS'))
    d.la = la = QLabel(_(
        'This will remove all CSS rules that do not match any actual content. You'
        ' can also have it automatically remove any class attributes from the HTML'
        ' that do not match any CSS rules, by using the check box below:'))
    la.setWordWrap(True), l.addWidget(la)
    d.c = c = QCheckBox(_('Remove unused &class attributes'))
    c.setChecked(tprefs['remove_unused_classes'])
    l.addWidget(c)
    d.bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
    d.l.addWidget(d.bb)
    d.bb.rejected.connect(d.reject)
    d.bb.accepted.connect(d.accept)
    if d.exec_() != d.Accepted:
        raise Abort()
    ans['remove_unused_classes'] = tprefs['remove_unused_classes'] = c.isChecked()
Exemple #13
0
def customize_remove_unused_css(name, parent, ans):
    d = QDialog(parent)
    d.l = l = QVBoxLayout()
    d.setLayout(d.l)
    d.setWindowTitle(_('Remove unused CSS'))
    d.la = la = QLabel(
        _('This will remove all CSS rules that do not match any actual content. You'
          ' can also have it automatically remove any class attributes from the HTML'
          ' that do not match any CSS rules, by using the check box below:'))
    la.setWordWrap(True), l.addWidget(la)
    d.c = c = QCheckBox(_('Remove unused &class attributes'))
    c.setChecked(tprefs['remove_unused_classes'])
    l.addWidget(c)
    d.bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
    d.l.addWidget(d.bb)
    d.bb.rejected.connect(d.reject)
    d.bb.accepted.connect(d.accept)
    if d.exec_() != d.Accepted:
        raise Abort()
    ans['remove_unused_classes'] = tprefs[
        'remove_unused_classes'] = c.isChecked()
Exemple #14
0
def ask_about_cc_mismatch(gui, db, newdb, missing_cols, incompatible_cols):  # {{{
    source_metadata = db.field_metadata.custom_field_metadata(include_composites=True)
    ndbname = os.path.basename(newdb.library_path)

    d = QDialog(gui)
    d.setWindowTitle(_('Different custom columns'))
    l = QFormLayout()
    tl = QVBoxLayout()
    d.setLayout(tl)
    d.s = QScrollArea(d)
    tl.addWidget(d.s)
    d.w = QWidget(d)
    d.s.setWidget(d.w)
    d.s.setWidgetResizable(True)
    d.w.setLayout(l)
    d.setMinimumWidth(600)
    d.setMinimumHeight(500)
    d.bb = QDialogButtonBox(QDialogButtonBox.Ok|QDialogButtonBox.Cancel)

    msg = _('The custom columns in the <i>{0}</i> library are different from the '
        'custom columns in the <i>{1}</i> library. As a result, some metadata might not be copied.').format(
        os.path.basename(db.library_path), ndbname)
    d.la = la = QLabel(msg)
    la.setWordWrap(True)
    la.setStyleSheet('QLabel { margin-bottom: 1.5ex }')
    l.addRow(la)
    if incompatible_cols:
        la = d.la2 = QLabel(_('The following columns are incompatible - they have the same name'
                ' but different data types. They will be ignored: ') +
                    ', '.join(sorted(incompatible_cols, key=sort_key)))
        la.setWordWrap(True)
        la.setStyleSheet('QLabel { margin-bottom: 1.5ex }')
        l.addRow(la)

    missing_widgets = []
    if missing_cols:
        la = d.la3 = QLabel(_('The following columns are missing in the <i>{0}</i> library.'
                                ' You can choose to add them automatically below.').format(
                                    ndbname))
        la.setWordWrap(True)
        l.addRow(la)
        for k in missing_cols:
            widgets = (k, QCheckBox(_('Add to the %s library') % ndbname))
            l.addRow(QLabel(k), widgets[1])
            missing_widgets.append(widgets)
    d.la4 = la = QLabel(_('This warning is only shown once per library, per session'))
    la.setWordWrap(True)
    tl.addWidget(la)

    tl.addWidget(d.bb)
    d.bb.accepted.connect(d.accept)
    d.bb.rejected.connect(d.reject)
    d.resize(d.sizeHint())
    if d.exec_() == d.Accepted:
        for k, cb in missing_widgets:
            if cb.isChecked():
                col_meta = source_metadata[k]
                newdb.create_custom_column(
                            col_meta['label'], col_meta['name'], col_meta['datatype'],
                            len(col_meta['is_multiple']) > 0,
                            col_meta['is_editable'], col_meta['display'])
        return True
    return False
def ask_about_cc_mismatch(gui, db, newdb, missing_cols,
                          incompatible_cols):  # {{{
    source_metadata = db.field_metadata.custom_field_metadata(
        include_composites=True)
    dest_library_path = newdb.library_path
    ndbname = os.path.basename(dest_library_path)

    d = QDialog(gui)
    d.setWindowTitle(_('Different custom columns'))
    l = QFormLayout()
    tl = QVBoxLayout()
    d.setLayout(tl)
    d.s = QScrollArea(d)
    tl.addWidget(d.s)
    d.w = QWidget(d)
    d.s.setWidget(d.w)
    d.s.setWidgetResizable(True)
    d.w.setLayout(l)
    d.setMinimumWidth(600)
    d.setMinimumHeight(500)
    d.bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)

    msg = _(
        'The custom columns in the <i>{0}</i> library are different from the '
        'custom columns in the <i>{1}</i> library. As a result, some metadata might not be copied.'
    ).format(os.path.basename(db.library_path), ndbname)
    d.la = la = QLabel(msg)
    la.setWordWrap(True)
    la.setStyleSheet('QLabel { margin-bottom: 1.5ex }')
    l.addRow(la)
    if incompatible_cols:
        la = d.la2 = QLabel(
            _('The following columns are incompatible - they have the same name'
              ' but different data types. They will be ignored: ') +
            ', '.join(sorted(incompatible_cols, key=sort_key)))
        la.setWordWrap(True)
        la.setStyleSheet('QLabel { margin-bottom: 1.5ex }')
        l.addRow(la)

    missing_widgets = []
    if missing_cols:
        la = d.la3 = QLabel(
            _('The following columns are missing in the <i>{0}</i> library.'
              ' You can choose to add them automatically below.').format(
                  ndbname))
        la.setWordWrap(True)
        l.addRow(la)
        for k in missing_cols:
            widgets = (k, QCheckBox(_('Add to the %s library') % ndbname))
            l.addRow(QLabel(k), widgets[1])
            missing_widgets.append(widgets)
    d.la4 = la = QLabel(
        _('This warning is only shown once per library, per session'))
    la.setWordWrap(True)
    tl.addWidget(la)

    tl.addWidget(d.bb)
    d.bb.accepted.connect(d.accept)
    d.bb.rejected.connect(d.reject)
    d.resize(d.sizeHint())
    if d.exec_() == d.Accepted:
        changes_made = False
        for k, cb in missing_widgets:
            if cb.isChecked():
                col_meta = source_metadata[k]
                newdb.create_custom_column(col_meta['label'], col_meta['name'],
                                           col_meta['datatype'],
                                           len(col_meta['is_multiple']) > 0,
                                           col_meta['is_editable'],
                                           col_meta['display'])
                changes_made = True
        if changes_made:
            # Unload the db so that the changes are available
            # when it is next accessed
            from calibre.gui2.ui import get_gui
            library_broker = get_gui().library_broker
            library_broker.unload_library(dest_library_path)
        return True
    return False