RemarkableWindow.py 文件源码

def save_pdf(self, html):
        chooser = Gtk.FileChooserDialog("Export PDF", None, Gtk.FileChooserAction.SAVE,
                                        (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
                                         Gtk.STOCK_OK, Gtk.ResponseType.OK))
        pdf_filter = Gtk.FileFilter()
        pdf_filter.add_pattern("*.pdf")
        pdf_filter.set_name("PDF Files")
        chooser.add_filter(pdf_filter)
        chooser.set_do_overwrite_confirmation(True)
        response = chooser.run()
        if response == Gtk.ResponseType.OK:
            file_name = chooser.get_filename()
            if not file_name.endswith(".pdf"):
                file_name += ".pdf"
            try:
                pdfkit.from_string(html, file_name, options= {'quiet': '', 'page-size': 'Letter',
                    'margin-top': '0.75in',
                    'margin-right': '0.75in',
                    'margin-bottom': '0.75in',
                    'margin-left': '0.75in',
                    'encoding': "UTF-8",
                    'javascript-delay' : '550',
                    'no-outline': None})
            except:
                try:
                    #Failed so try with no options
                    pdfkit.from_string(html, file_name)
                except:
                    #Pdf Export failed, show warning message
                    if not self.pdf_error_warning:
                        self.pdf_error_warning = True
                        print("\nRemarkable Error:\tPDF Export Failed!!")

                    pdf_fail_dialog = Gtk.MessageDialog(self, 0, Gtk.MessageType.ERROR,
                            Gtk.ButtonsType.CANCEL, "PDF EXPORT FAILED")
                    pdf_fail_dialog.format_secondary_text(
                            "File export to PDF was unsuccessful.")
                    pdf_fail_dialog.run()
                    pdf_fail_dialog.destroy()
        elif response == Gtk.ResponseType.CANCEL:
            pass

        chooser.destroy()
        self.window.set_sensitive(True)