Exemple #1
0
def book_fmt(ctx, rd, library_id, db, book_id, fmt):
    mdata = db.format_metadata(book_id, fmt)
    if not mdata:
        raise NoSuchFormat()
    mtime = mdata['mtime']
    update_metadata = fmt in update_metadata_in_fmts
    extra_etag_data = ''

    if update_metadata:
        mi = db.get_metadata(book_id)
        mtime = max(mtime, mi.last_modified)
        # Get any plugboards for the Content server
        plugboards = db.pref('plugboards')
        if plugboards:
            cpb = find_plugboard(plugboard_content_server_value, fmt, plugboards)
            if cpb:
                # Transform the metadata via the plugboard
                newmi = mi.deepcopy_metadata()
                newmi.template_to_attribute(mi, cpb)
                mi = newmi
                extra_etag_data = repr(cpb)
    else:
        mi = db.get_proxy_metadata(book_id)

    def copy_func(dest):
        db.copy_format_to(book_id, fmt, dest)
        if update_metadata:
            set_metadata(dest, mi, fmt)
            dest.seek(0)

    rd.outheaders['Content-Disposition'] = 'attachment; filename="%s"' % book_filename(rd, book_id, mi, fmt)

    return create_file_copy(ctx, rd, 'fmt', library_id, book_id, fmt, mtime, copy_func, extra_etag_data=extra_etag_data)
Exemple #2
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    def get_format(self, id, format):
        format = format.upper()
        fm = self.db.format_metadata(id, format, allow_cache=False)
        if not fm:
            raise cherrypy.HTTPError(
                404, 'book: %d does not have format: %s' % (id, format))
        update_metadata = format in {'MOBI', 'EPUB', 'AZW3'}
        mi = newmi = self.db.get_metadata(id,
                                          index_is_id=True,
                                          cover_as_data=True,
                                          get_cover=update_metadata)

        cherrypy.response.headers['Last-Modified'] = \
            self.last_modified(max(fm['mtime'], mi.last_modified))

        fmt = self.db.format(id,
                             format,
                             index_is_id=True,
                             as_file=True,
                             mode='rb')
        if fmt is None:
            raise cherrypy.HTTPError(
                404, 'book: %d does not have format: %s' % (id, format))
        mt = guess_type('dummy.' + format.lower())[0]
        if mt is None:
            mt = 'application/octet-stream'
        cherrypy.response.headers['Content-Type'] = mt

        if format.lower() in plugboard_content_server_formats:
            # Get any plugboards for the content server
            plugboards = self.db.prefs.get('plugboards', {})
            cpb = find_plugboard(plugboard_content_server_value,
                                 format.lower(), plugboards)
            if cpb:
                # Transform the metadata via the plugboard
                newmi = mi.deepcopy_metadata()
                newmi.template_to_attribute(mi, cpb)

        if update_metadata:
            # Write the updated file
            from calibre.ebooks.metadata.meta import set_metadata
            set_metadata(fmt, newmi, format.lower())
            fmt.seek(0)

        fmt.seek(0, 2)
        cherrypy.response.headers['Content-Length'] = fmt.tell()
        fmt.seek(0)

        au = authors_to_string(
            newmi.authors if newmi.authors else [_('Unknown')])
        title = newmi.title if newmi.title else _('Unknown')
        fname = u'%s - %s_%s.%s' % (title[:30], au[:30], id, format.lower())
        fname = ascii_filename(fname).replace('"', '_')
        cherrypy.response.headers['Content-Disposition'] = \
                b'attachment; filename="%s"'%fname
        cherrypy.response.body = fmt
        cherrypy.response.timeout = 3600
        return fmt
Exemple #3
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    def get_format(self, id, format):
        format = format.upper()
        fm = self.db.format_metadata(id, format, allow_cache=False)
        if not fm:
            raise cherrypy.HTTPError(404, 'book: %d does not have format: %s'%(id, format))
        update_metadata = format in {'MOBI', 'EPUB', 'AZW3'}
        mi = newmi = self.db.get_metadata(
            id, index_is_id=True, cover_as_data=True, get_cover=update_metadata)

        cherrypy.response.headers['Last-Modified'] = \
            self.last_modified(max(fm['mtime'], mi.last_modified))

        fmt = self.db.format(id, format, index_is_id=True, as_file=True,
                mode='rb')
        if fmt is None:
            raise cherrypy.HTTPError(404, 'book: %d does not have format: %s'%(id, format))
        mt = guess_type('dummy.'+format.lower())[0]
        if mt is None:
            mt = 'application/octet-stream'
        cherrypy.response.headers['Content-Type'] = mt

        if format.lower() in plugboard_content_server_formats:
            # Get any plugboards for the content server
            plugboards = self.db.prefs.get('plugboards', {})
            cpb = find_plugboard(plugboard_content_server_value,
                                 format.lower(), plugboards)
            if cpb:
                # Transform the metadata via the plugboard
                newmi = mi.deepcopy_metadata()
                newmi.template_to_attribute(mi, cpb)

        if update_metadata:
            # Write the updated file
            from calibre.ebooks.metadata.meta import set_metadata
            set_metadata(fmt, newmi, format.lower())
            fmt.seek(0)

        fmt.seek(0, 2)
        cherrypy.response.headers['Content-Length'] = fmt.tell()
        fmt.seek(0)

        ua = cherrypy.request.headers.get('User-Agent', '').strip()
        have_kobo_browser = self.is_kobo_browser(ua)
        file_extension = "kepub.epub" if have_kobo_browser and format.lower() == "kepub" else format

        au = authors_to_string(newmi.authors if newmi.authors else
                [_('Unknown')])
        title = newmi.title if newmi.title else _('Unknown')
        fname = u'%s - %s_%s.%s'%(title[:30], au[:30], id, file_extension.lower())
        fname = ascii_filename(fname).replace('"', '_')
        cherrypy.response.headers['Content-Disposition'] = \
                b'attachment; filename="%s"'%fname
        cherrypy.response.body = fmt
        cherrypy.response.timeout = 3600
        return fmt
    def get_format(self, id, format):
        format = format.upper()
        fm = self.db.format_metadata(id, format, allow_cache=False)
        if not fm:
            raise web.HTTPError(
                404, 'book: %d does not have format: %s' % (id, format))
        mi = newmi = self.db.get_metadata(id, index_is_id=True)
        self.set_header('Last-Modified',
                        self.last_modified(max(fm['mtime'], mi.last_modified)))
        fmt = self.db.format(id,
                             format,
                             index_is_id=True,
                             as_file=True,
                             mode='rb')
        if fmt is None:
            raise web.HTTPError(
                404, 'book: %d does not have format: %s' % (id, format))
        mt = guess_type('dummy.' + format.lower())[0]
        if mt is None:
            mt = 'application/octet-stream'
        self.set_header('Content-Type', mt)

        if format == 'EPUB':
            # Get the original metadata
            # Get any EPUB plugboards for the content server
            plugboards = self.db.prefs.get('plugboards', {})
            cpb = find_plugboard(plugboard_content_server_value, 'epub',
                                 plugboards)
            if cpb:
                # Transform the metadata via the plugboard
                newmi = mi.deepcopy_metadata()
                newmi.template_to_attribute(mi, cpb)

        if format in ('MOBI', 'EPUB'):
            # Write the updated file
            set_metadata(fmt, newmi, format.lower())
            fmt.seek(0)

        fmt.seek(0, 2)
        self.set_header('Content-Lenght', fmt.tell())
        fmt.seek(0)

        au = authors_to_string(
            newmi.authors if newmi.authors else [_('Unknown')])
        title = newmi.title if newmi.title else _('Unknown')
        fname = u'%s - %s_%s.%s' % (title[:30], au[:30], id, format.lower())
        fname = ascii_filename(fname).replace('"', '_')
        self.set_header('Content-Disposition',
                        b'attachment; filename="%s"' % fname)
        return fmt
Exemple #5
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def book_fmt(ctx, rd, library_id, db, book_id, fmt):
    mdata = db.format_metadata(book_id, fmt)
    if not mdata:
        raise NoSuchFormat()
    mtime = mdata['mtime']
    update_metadata = fmt in update_metadata_in_fmts
    extra_etag_data = ''

    if update_metadata:
        mi = db.get_metadata(book_id)
        mtime = max(mtime, mi.last_modified)
        # Get any plugboards for the Content server
        plugboards = db.pref('plugboards')
        if plugboards:
            cpb = find_plugboard(plugboard_content_server_value, fmt,
                                 plugboards)
            if cpb:
                # Transform the metadata via the plugboard
                newmi = mi.deepcopy_metadata()
                newmi.template_to_attribute(mi, cpb)
                mi = newmi
                extra_etag_data = repr(cpb)
    else:
        mi = db.get_proxy_metadata(book_id)

    def copy_func(dest):
        db.copy_format_to(book_id, fmt, dest)
        if update_metadata:
            set_metadata(dest, mi, fmt)
            dest.seek(0)

    au = authors_to_string(mi.authors or [_('Unknown')])
    title = mi.title or _('Unknown')
    ext = fmt
    if ext == 'kepub' and 'Kobo Touch' in rd.inheaders.get('User-Agent', ''):
        ext = 'kepub.epub'
    fname = '%s - %s_%s.%s' % (title[:30], au[:30], book_id, ext)
    fname = ascii_filename(fname).replace('"', '_')
    rd.outheaders['Content-Disposition'] = 'attachment; filename="%s"' % fname

    return create_file_copy(ctx,
                            rd,
                            'fmt',
                            library_id,
                            book_id,
                            fmt,
                            mtime,
                            copy_func,
                            extra_etag_data=extra_etag_data)
Exemple #6
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def book_fmt(ctx, rd, library_id, db, book_id, fmt):
    mdata = db.format_metadata(book_id, fmt)
    if not mdata:
        raise NoSuchFormat()
    mtime = mdata['mtime']
    update_metadata = fmt in update_metadata_in_fmts
    extra_etag_data = ''

    if update_metadata:
        mi = db.get_metadata(book_id)
        mtime = max(mtime, mi.last_modified)
        # Get any plugboards for the Content server
        plugboards = db.pref('plugboards')
        if plugboards:
            cpb = find_plugboard(plugboard_content_server_value, fmt,
                                 plugboards)
            if cpb:
                # Transform the metadata via the plugboard
                newmi = mi.deepcopy_metadata()
                newmi.template_to_attribute(mi, cpb)
                mi = newmi
                extra_etag_data = repr(cpb)
    else:
        mi = db.get_proxy_metadata(book_id)

    def copy_func(dest):
        db.copy_format_to(book_id, fmt, dest)
        if update_metadata:
            if not mi.cover_data or not mi.cover_data[-1]:
                cdata = db.cover(book_id)
                if cdata:
                    mi.cover_data = ('jpeg', cdata)
            set_metadata(dest, mi, fmt)
            dest.seek(0)

    rd.outheaders[
        'Content-Disposition'] = '''attachment; filename="%s"; filename*=utf-8''%s''' % (
            book_filename(rd, book_id, mi, fmt),
            book_filename(rd, book_id, mi, fmt, as_encoded_unicode=True))

    return create_file_copy(ctx,
                            rd,
                            'fmt',
                            library_id,
                            book_id,
                            fmt,
                            mtime,
                            copy_func,
                            extra_etag_data=extra_etag_data)
Exemple #7
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 def collection_finished(self):
     self.do_one = self.do_one_write
     ensure_unique_components(self.collected_data)
     self.ids_to_write = iter(self.collected_data)
     self.pd.title = _('Copying files and writing metadata...') if self.opts.update_metadata else _(
         'Copying files...')
     self.pd.max = len(self.collected_data)
     self.pd.value = 0
     if self.opts.update_metadata:
         all_fmts = {fmt for data in itervalues(self.collected_data) for fmt in data[2]}
         plugboards_cache = {fmt:find_plugboard(plugboard_save_to_disk_value, fmt, self.plugboards) for fmt in all_fmts}
         self.pool = Pool(name='SaveToDisk') if self.pool is None else self.pool
         try:
             self.pool.set_common_data(plugboards_cache)
         except Failure as err:
             error_dialog(self.pd, _('Critical failure'), _(
                 'Could not save books to disk, click "Show details" for more information'),
                 det_msg=unicode_type(err.failure_message) + '\n' + unicode_type(err.details), show=True)
             self.pd.canceled = True
     self.do_one_signal.emit()
Exemple #8
0
def book_fmt(ctx, rd, library_id, db, book_id, fmt):
    mdata = db.format_metadata(book_id, fmt)
    if not mdata:
        raise NoSuchFormat()
    mtime = mdata['mtime']
    update_metadata = fmt in update_metadata_in_fmts
    extra_etag_data = ''

    if update_metadata:
        mi = db.get_metadata(book_id)
        mtime = max(mtime, mi.last_modified)
        # Get any plugboards for the content server
        plugboards = db.pref('plugboards')
        if plugboards:
            cpb = find_plugboard(plugboard_content_server_value, fmt, plugboards)
            if cpb:
                # Transform the metadata via the plugboard
                newmi = mi.deepcopy_metadata()
                newmi.template_to_attribute(mi, cpb)
                mi = newmi
                extra_etag_data = repr(cpb)
    else:
        mi = db.get_proxy_metadata(book_id)

    def copy_func(dest):
        db.copy_format_to(book_id, fmt, dest)
        if update_metadata:
            set_metadata(dest, mi, fmt)
            dest.seek(0)

    au = authors_to_string(mi.authors or [_('Unknown')])
    title = mi.title or _('Unknown')
    ext = fmt
    if ext == 'kepub' and 'Kobo Touch' in rd.inheaders.get('User-Agent', ''):
        ext = 'kepub.epub'
    fname = '%s - %s_%s.%s' % (title[:30], au[:30], book_id, ext)
    fname = ascii_filename(fname).replace('"', '_')
    rd.outheaders['Content-Disposition'] = 'attachment; filename="%s"' % fname

    return create_file_copy(ctx, rd, 'fmt', library_id, book_id, fmt, mtime, copy_func, extra_etag_data=extra_etag_data)
Exemple #9
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    def writing_finished(self):
        if not self.opts.update_metadata:
            self.metadata_data = {}
        if not self.metadata_data:
            self.updating_metadata_finished()
            return
        self.pd.title = _('Updating metadata...')
        self.pd.max = len(self.metadata_data)
        self.pd.value = 0

        all_fmts = {path.rpartition(os.extsep)[-1] for d in self.metadata_data.itervalues() for path in d['fmts']}
        plugboards_cache = {fmt:find_plugboard(plugboard_save_to_disk_value, fmt, self.plugboards) for fmt in all_fmts}
        self.server = server = Server() if self.server is None else self.server
        tasks = server.split(list(self.metadata_data))
        self.jobs = set()
        for i, book_ids in enumerate(tasks):
            data = {book_id:self.metadata_data[book_id] for j, book_id in book_ids}
            job = ParallelJob('save_book', 'Save books (job %d of %d)' % (i+1, len(tasks)), lambda x, y:x, args=(data, plugboards_cache))
            self.jobs.add(job)
            server.add_job(job)
        self.do_one = self.do_one_update
        self.do_one_signal.emit()
Exemple #10
0
def book_fmt(ctx, rd, library_id, db, book_id, fmt):
    mdata = db.format_metadata(book_id, fmt)
    if not mdata:
        raise NoSuchFormat()
    mtime = mdata["mtime"]
    update_metadata = fmt in update_metadata_in_fmts
    extra_etag_data = ""

    if update_metadata:
        mi = db.get_metadata(book_id)
        mtime = max(mtime, mi.last_modified)
        # Get any plugboards for the content server
        plugboards = db.pref("plugboards")
        if plugboards:
            cpb = find_plugboard(plugboard_content_server_value, fmt, plugboards)
            if cpb:
                # Transform the metadata via the plugboard
                newmi = mi.deepcopy_metadata()
                newmi.template_to_attribute(mi, cpb)
                mi = newmi
                extra_etag_data = repr(cpb)
    else:
        mi = db.get_proxy_metadata(book_id)

    def copy_func(dest):
        db.copy_format_to(book_id, fmt, dest)
        if update_metadata:
            set_metadata(dest, mi, fmt)
            dest.seek(0)

    au = authors_to_string(mi.authors or [_("Unknown")])
    title = mi.title or _("Unknown")
    fname = "%s - %s_%s.%s" % (title[:30], au[:30], book_id, fmt)
    fname = ascii_filename(fname).replace('"', "_")
    rd.outheaders["Content-Disposition"] = 'attachment; filename="%s"' % fname

    return create_file_copy(ctx, rd, "fmt", library_id, book_id, fmt, mtime, copy_func, extra_etag_data=extra_etag_data)
Exemple #11
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    def new_device_changed(self, txt):
        self.current_device = None
        if txt == '':
            self.clear_fields(edit_boxes=False)
            return
        self.clear_fields(edit_boxes=True)
        self.current_device = unicode_type(txt)

        if self.current_format in self.current_plugboards and \
                self.current_device in self.current_plugboards[self.current_format]:
            error_dialog(self,
                         '',
                         _('That format and device already has a plugboard.'),
                         show=True)
            self.new_device.setCurrentIndex(0)
            return

        # If we have a specific format/device combination, check if a more
        # general combination matches.
        if self.current_format != plugboard_any_format_value and \
                self.current_device != plugboard_any_device_value:
            if find_plugboard(self.current_device, self.current_format,
                              self.current_plugboards):
                if not question_dialog(
                        self.gui, _('Possibly override plugboard?'),
                        _('A more general plugboard already exists for '
                          'that format and device. '
                          'Are you sure you want to add the new plugboard?')):
                    self.new_device.setCurrentIndex(0)
                    return

        # If we have a specific format, check if we are adding a possibly-
        # covered plugboard
        if self.current_format != plugboard_any_format_value:
            if self.current_format in self.current_plugboards:
                if self.current_device == plugboard_any_device_value:
                    if not question_dialog(
                            self.gui, _('Add possibly overridden plugboard?'),
                            _('More specific device plugboards exist for '
                              'that format. '
                              'Are you sure you want to add the new plugboard?'
                              )):
                        self.new_device.setCurrentIndex(0)
                        return
        # We are adding an 'any format' entry. Check if we are adding a specific
        # device and if so, does some other plugboard match that device.
        elif self.current_device != plugboard_any_device_value:
            for fmt in self.current_plugboards:
                if find_plugboard(self.current_device, fmt,
                                  self.current_plugboards):
                    if not question_dialog(
                            self.gui, _('Really add plugboard?'),
                            _('A different plugboard matches that format and '
                              'device combination. '
                              'Are you sure you want to add the new plugboard?'
                              )):
                        self.new_device.setCurrentIndex(0)
                        return
        # We are adding an any format/any device entry, which will be overridden
        # by any other entry. Ask if such entries exist.
        elif len(self.current_plugboards):
            if not question_dialog(
                    self.gui, _('Add possibly overridden plugboard?'),
                    _('More specific format and device plugboards '
                      'already exist. '
                      'Are you sure you want to add the new plugboard?')):
                self.new_device.setCurrentIndex(0)
                return

        if self.current_format != plugboard_any_format_value and \
                    self.current_device in self.device_to_formats_map:
            allowable_formats = self.device_to_formats_map[self.current_device]
            if self.current_format not in allowable_formats:
                error_dialog(
                    self,
                    '',
                    _('The {0} device does not support the {1} format.'
                      ).format(self.current_device, self.current_format),
                    show=True)
                self.new_device.setCurrentIndex(0)
                return

        if self.current_format == plugboard_any_format_value and \
                    self.current_device == plugboard_content_server_value:
            warning_dialog(
                self,
                '',
                _('The {0} device supports only the {1} format(s).').format(
                    plugboard_content_server_value,
                    ', '.join(plugboard_content_server_formats)),
                show=True)

        self.set_fields()
Exemple #12
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    def new_device_changed(self, txt):
        self.current_device = None
        if txt == '':
            self.clear_fields(edit_boxes=False)
            return
        self.clear_fields(edit_boxes=True)
        self.current_device = unicode(txt)

        if self.current_format in self.current_plugboards and \
                self.current_device in self.current_plugboards[self.current_format]:
            error_dialog(self, '',
                     _('That format and device already has a plugboard.'),
                     show=True)
            self.new_device.setCurrentIndex(0)
            return

        # If we have a specific format/device combination, check if a more
        # general combination matches.
        if self.current_format != plugboard_any_format_value and \
                self.current_device != plugboard_any_device_value:
            if find_plugboard(self.current_device, self.current_format,
                      self.current_plugboards):
                if not question_dialog(self.gui,
                        _('Possibly override plugboard?'),
                        _('A more general plugboard already exists for '
                          'that format and device. '
                          'Are you sure you want to add the new plugboard?')):
                    self.new_device.setCurrentIndex(0)
                    return

        # If we have a specific format, check if we are adding a possibly-
        # covered plugboard
        if self.current_format != plugboard_any_format_value:
            if self.current_format in self.current_plugboards:
                if self.current_device == plugboard_any_device_value:
                    if not question_dialog(self.gui,
                               _('Add possibly overridden plugboard?'),
                               _('More specific device plugboards exist for '
                                 'that format. '
                                 'Are you sure you want to add the new plugboard?')):
                        self.new_device.setCurrentIndex(0)
                        return
        # We are adding an 'any format' entry. Check if we are adding a specific
        # device and if so, does some other plugboard match that device.
        elif self.current_device != plugboard_any_device_value:
            for fmt in self.current_plugboards:
                if find_plugboard(self.current_device, fmt, self.current_plugboards):
                    if not question_dialog(self.gui,
                            _('Really add plugboard?'),
                            _('A different plugboard matches that format and '
                              'device combination. '
                              'Are you sure you want to add the new plugboard?')):
                        self.new_device.setCurrentIndex(0)
                        return
        # We are adding an any format/any device entry, which will be overridden
        # by any other entry. Ask if such entries exist.
        elif len(self.current_plugboards):
            if not question_dialog(self.gui,
                       _('Add possibly overridden plugboard?'),
                       _('More specific format and device plugboards '
                         'already exist. '
                         'Are you sure you want to add the new plugboard?')):
                self.new_device.setCurrentIndex(0)
                return

        if self.current_format != plugboard_any_format_value and \
                    self.current_device in self.device_to_formats_map:
            allowable_formats = self.device_to_formats_map[self.current_device]
            if self.current_format not in allowable_formats:
                error_dialog(self, '',
                     _('The {0} device does not support the {1} format.').
                                format(self.current_device, self.current_format), show=True)
                self.new_device.setCurrentIndex(0)
                return

        if self.current_format == plugboard_any_format_value and \
                    self.current_device == plugboard_content_server_value:
            warning_dialog(self, '',
                 _('The {0} device supports only the {1} format(s).').
                            format(plugboard_content_server_value,
                                   ', '.join(plugboard_content_server_formats)), show=True)

        self.set_fields()
Exemple #13
0
    def new_device_changed(self, txt):
        self.current_device = None
        if txt == "":
            self.clear_fields(edit_boxes=False)
            return
        self.clear_fields(edit_boxes=True)
        self.current_device = unicode(txt)

        if (
            self.current_format in self.current_plugboards
            and self.current_device in self.current_plugboards[self.current_format]
        ):
            error_dialog(self, "", _("That format and device already has a plugboard."), show=True)
            self.new_device.setCurrentIndex(0)
            return

        # If we have a specific format/device combination, check if a more
        # general combination matches.
        if self.current_format != plugboard_any_format_value and self.current_device != plugboard_any_device_value:
            if find_plugboard(self.current_device, self.current_format, self.current_plugboards):
                if not question_dialog(
                    self.gui,
                    _("Possibly override plugboard?"),
                    _(
                        "A more general plugboard already exists for "
                        "that format and device. "
                        "Are you sure you want to add the new plugboard?"
                    ),
                ):
                    self.new_device.setCurrentIndex(0)
                    return

        # If we have a specific format, check if we are adding a possibly-
        # covered plugboard
        if self.current_format != plugboard_any_format_value:
            if self.current_format in self.current_plugboards:
                if self.current_device == plugboard_any_device_value:
                    if not question_dialog(
                        self.gui,
                        _("Add possibly overridden plugboard?"),
                        _(
                            "More specific device plugboards exist for "
                            "that format. "
                            "Are you sure you want to add the new plugboard?"
                        ),
                    ):
                        self.new_device.setCurrentIndex(0)
                        return
        # We are adding an 'any format' entry. Check if we are adding a specific
        # device and if so, does some other plugboard match that device.
        elif self.current_device != plugboard_any_device_value:
            for fmt in self.current_plugboards:
                if find_plugboard(self.current_device, fmt, self.current_plugboards):
                    if not question_dialog(
                        self.gui,
                        _("Really add plugboard?"),
                        _(
                            "A different plugboard matches that format and "
                            "device combination. "
                            "Are you sure you want to add the new plugboard?"
                        ),
                    ):
                        self.new_device.setCurrentIndex(0)
                        return
        # We are adding an any format/any device entry, which will be overridden
        # by any other entry. Ask if such entries exist.
        elif len(self.current_plugboards):
            if not question_dialog(
                self.gui,
                _("Add possibly overridden plugboard?"),
                _(
                    "More specific format and device plugboards "
                    "already exist. "
                    "Are you sure you want to add the new plugboard?"
                ),
            ):
                self.new_device.setCurrentIndex(0)
                return

        if self.current_format != plugboard_any_format_value and self.current_device in self.device_to_formats_map:
            allowable_formats = self.device_to_formats_map[self.current_device]
            if self.current_format not in allowable_formats:
                error_dialog(
                    self,
                    "",
                    _("The {0} device does not support the {1} format.").format(
                        self.current_device, self.current_format
                    ),
                    show=True,
                )
                self.new_device.setCurrentIndex(0)
                return
        self.set_fields()