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EPUB Output: Have the GUI use a UUID for package identifier when creating EPUBs
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Kovid Goyal
parent
ea0ec8293b
commit
d14682525c
@ -6,14 +6,14 @@ __docformat__ = 'restructuredtext en'
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'''
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The GUI for conversion to EPUB.
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'''
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import os
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import os, uuid
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from PyQt4.Qt import QDialog, QSpinBox, QDoubleSpinBox, QComboBox, QLineEdit, \
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QTextEdit, QCheckBox, Qt, QPixmap, QIcon, QListWidgetItem, SIGNAL
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from lxml.etree import XPath
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from calibre.gui2.dialogs.choose_format import ChooseFormatDialog
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from calibre.gui2.dialogs.epub_ui import Ui_Dialog
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from calibre.gui2.dialogs.epub_ui import Ui_Dialog
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from calibre.gui2 import error_dialog, choose_images, pixmap_to_data, ResizableDialog
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from calibre.ebooks.epub.from_any import SOURCE_FORMATS, config as epubconfig
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from calibre.ebooks.metadata import MetaInformation
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@ -23,16 +23,16 @@ from calibre.ebooks.metadata import authors_to_string, string_to_authors
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class Config(ResizableDialog, Ui_Dialog):
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OUTPUT = 'EPUB'
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def __init__(self, parent, db, row=None, config=epubconfig):
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ResizableDialog.__init__(self, parent)
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self.hide_controls()
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self.connect(self.category_list, SIGNAL('itemEntered(QListWidgetItem *)'),
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self.show_category_help)
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self.connect(self.cover_button, SIGNAL("clicked()"), self.select_cover)
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self.cover_changed = False
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self.db = db
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self.id = None
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@ -52,7 +52,7 @@ class Config(ResizableDialog, Ui_Dialog):
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self.setWindowTitle(_('Bulk convert to ')+self.OUTPUT)
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else:
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self.setWindowTitle((_(u'Convert %s to ')%unicode(self.title.text()))+self.OUTPUT)
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def hide_controls(self):
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self.source_profile_label.setVisible(False)
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self.opt_source_profile.setVisible(False)
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@ -63,7 +63,7 @@ class Config(ResizableDialog, Ui_Dialog):
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self.opt_rescale_images.setVisible(False)
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self.opt_ignore_tables.setVisible(False)
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self.opt_prefer_author_sort.setVisible(False)
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def initialize(self):
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self.__w = []
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self.__w.append(QIcon(':/images/dialog_information.svg'))
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@ -76,11 +76,11 @@ class Config(ResizableDialog, Ui_Dialog):
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self.item4 = QListWidgetItem(self.__w[-1], _('Chapter Detection').replace(' ','\n'), self.category_list)
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self.setup_tooltips()
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self.initialize_options()
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def set_help(self, msg):
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if msg and getattr(msg, 'strip', lambda:True)():
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self.help_view.setPlainText(msg)
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def setup_tooltips(self):
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for opt in self.config.option_set.preferences:
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g = getattr(self, 'opt_'+opt.name, False)
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@ -90,19 +90,19 @@ class Config(ResizableDialog, Ui_Dialog):
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g.setToolTip(help.replace('<', '<').replace('>', '>'))
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g.setWhatsThis(help.replace('<', '<').replace('>', '>'))
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g.__class__.enterEvent = lambda obj, event: self.set_help(getattr(obj, '_help', obj.toolTip()))
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def show_category_help(self, item):
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text = unicode(item.text())
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help = {
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_('Metadata') : _('Specify metadata such as title and author for the book.\n\nMetadata will be updated in the database as well as the generated %s file.')%self.OUTPUT,
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_('Look & Feel') : _('Adjust the look of the generated ebook by specifying things like font sizes.'),
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_('Page Setup') : _('Specify the page layout settings like margins.'),
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_('Chapter Detection') : _('Fine tune the detection of chapter and section headings.'),
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_('Chapter Detection') : _('Fine tune the detection of chapter and section headings.'),
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}
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self.set_help(help[text.replace('\n', ' ')])
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def select_cover(self):
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files = choose_images(self, 'change cover dialog',
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files = choose_images(self, 'change cover dialog',
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_('Choose cover for ') + unicode(self.title.text()))
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if not files:
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return
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@ -110,7 +110,7 @@ class Config(ResizableDialog, Ui_Dialog):
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if _file:
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_file = os.path.abspath(_file)
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if not os.access(_file, os.R_OK):
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d = error_dialog(self.window, _('Cannot read'),
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d = error_dialog(self.window, _('Cannot read'),
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_('You do not have permission to read the file: ') + _file)
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d.exec_()
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return
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@ -118,7 +118,7 @@ class Config(ResizableDialog, Ui_Dialog):
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try:
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cf = open(_file, "rb")
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cover = cf.read()
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except IOError, e:
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except IOError, e:
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d = error_dialog(self.window, _('Error reading file'),
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_("<p>There was an error reading from file: <br /><b>") + _file + "</b></p><br />"+str(e))
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d.exec_()
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@ -134,14 +134,14 @@ class Config(ResizableDialog, Ui_Dialog):
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self.cover.setPixmap(pix)
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self.cover_changed = True
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self.cpixmap = pix
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def initialize_metadata_options(self):
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all_series = self.db.all_series()
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all_series.sort(cmp=lambda x, y : cmp(x[1], y[1]))
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for series in all_series:
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self.series.addItem(series[1])
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self.series.setCurrentIndex(-1)
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if self.row is not None:
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mi = self.db.get_metadata(self.id, index_is_id=True)
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self.title.setText(mi.title)
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@ -157,14 +157,14 @@ class Config(ResizableDialog, Ui_Dialog):
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self.series.setCurrentIndex(self.series.findText(mi.series))
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if mi.series_index is not None:
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self.series_index.setValue(mi.series_index)
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cover = self.db.cover(self.id, index_is_id=True)
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if cover:
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pm = QPixmap()
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pm.loadFromData(cover)
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if not pm.isNull():
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self.cover.setPixmap(pm)
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if not pm.isNull():
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self.cover.setPixmap(pm)
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def get_title_and_authors(self):
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title = unicode(self.title.text()).strip()
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if not title:
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@ -172,7 +172,7 @@ class Config(ResizableDialog, Ui_Dialog):
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authors = unicode(self.author.text()).strip()
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authors = string_to_authors(authors) if authors else [_('Unknown')]
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return title, authors
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def get_metadata(self):
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title, authors = self.get_title_and_authors()
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mi = MetaInformation(title, authors)
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@ -191,9 +191,9 @@ class Config(ResizableDialog, Ui_Dialog):
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tags = [t.strip() for t in unicode(self.tags.text()).split(',')]
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if tags:
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mi.tags = tags
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return mi
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def read_settings(self):
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for pref in self.config.option_set.preferences:
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g = getattr(self, 'opt_'+pref.name, False)
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@ -209,9 +209,9 @@ class Config(ResizableDialog, Ui_Dialog):
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elif isinstance(g, QCheckBox):
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self.config.set(pref.name, bool(g.isChecked()))
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if self.row is not None:
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self.db.set_conversion_options(self.id, self.OUTPUT.lower(), self.config.src)
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self.db.set_conversion_options(self.id, self.OUTPUT.lower(), self.config.src)
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def initialize_options(self):
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self.initialize_metadata_options()
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values = self.config.parse()
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@ -232,16 +232,16 @@ class Config(ResizableDialog, Ui_Dialog):
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g.setCurrentIndex(g.findText(val))
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elif isinstance(g, QCheckBox):
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g.setCheckState(Qt.Checked if bool(val) else Qt.Unchecked)
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def get_source_format(self):
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self.source_format = None
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if self.row is not None:
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temp = self.db.formats(self.id, index_is_id=True)
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if not temp:
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error_dialog(self.parent(), _('Cannot convert'),
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error_dialog(self.parent(), _('Cannot convert'),
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_('This book has no available formats')).exec_()
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available_formats = [f.upper().strip() for f in temp.split(',')]
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choices = [fmt.upper() for fmt in SOURCE_FORMATS if fmt.upper() in available_formats]
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if not choices:
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@ -253,7 +253,7 @@ class Config(ResizableDialog, Ui_Dialog):
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d = ChooseFormatDialog(self.parent(), _('Choose the format to convert to ')+self.OUTPUT, choices)
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if d.exec_() == QDialog.Accepted:
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self.source_format = d.format()
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def accept(self):
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for opt in ('chapter', 'level1_toc', 'level2_toc', 'level3_toc', 'page',
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'page_names'):
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@ -263,7 +263,7 @@ class Config(ResizableDialog, Ui_Dialog):
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XPath(text,namespaces={'re':'http://exslt.org/regular-expressions'})
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except Exception, err:
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error_dialog(self, _('Invalid XPath expression'),
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_('The expression %s is invalid. Error: %s')%(text, err)
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_('The expression %s is invalid. Error: %s')%(text, err)
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).exec_()
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return
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mi = self.get_metadata()
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@ -272,6 +272,7 @@ class Config(ResizableDialog, Ui_Dialog):
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if self.row is not None:
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self.db.set_metadata(self.id, mi)
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self.mi = self.db.get_metadata(self.id, index_is_id=True)
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self.mi.application_id = uuid.uuid4()
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opf = OPFCreator(os.getcwdu(), self.mi)
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self.opf_file = PersistentTemporaryFile('.opf')
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opf.render(self.opf_file)
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@ -286,5 +287,5 @@ class Config(ResizableDialog, Ui_Dialog):
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self.cover_file = cf
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self.opts = self.config.parse()
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QDialog.accept(self)
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