controller.py 文件源码

def _extract_from_wiki(self):
        title = self.title_line_edit.text()
        if title:
            page = self.page_combo_box.currentText()
            wikipedia.set_lang(self.lang_combo_box.currentText())
            self.load_progressbar.setMinimum(0)
            self.load_progressbar.setMaximum(0)

            class ProgressThread(QThread, QWidget):

                content_link_arrived = pyqtSignal([list])
                content_text_arrived = pyqtSignal(['QString'])
                content_image_arrived = pyqtSignal([list, 'QString'])
                error_occurred = pyqtSignal()
                valid_images = []

                def run(self):
                    try:
                        wiki = wikipedia.page(title=title)
                        f = open('templates/template.html')
                        if page == 'Content':
                            self.content_text_arrived.emit(wiki.content)
                        elif page == 'Images':

                            print(wiki.images)

                            self.des_dir = Preferences.output_path + '/' + title 
                            self.valid_images = []
                            if not os.path.exists(self.des_dir):
                                print(self.des_dir)
                                os.mkdir(self.des_dir)   

                            for i in wiki.images:
                                if PurePath(i).suffix in Preferences.valid_image_formats:
                                    print(i)
                                    print(self.des_dir)
                                    wget.download(i, out=self.des_dir)
                                    self.valid_images.append(i)
                            self.content_image_arrived.emit(self.valid_images, self.des_dir)

                        elif page == 'Summary':
                            self.content_text_arrived.emit(wiki.summary)
                        elif page == 'Images Links':
                            self.content_link_arrived.emit(wiki.images)
                        elif page == 'References Links':
                            self.content_link_arrived.emit(wiki.references)


                    except:
                        self.error_occurred.emit()

            self.progress_thread = ProgressThread()
            self.progress_thread.content_link_arrived.connect(self.set_content_link)
            self.progress_thread.content_text_arrived.connect(self.set_content_text)
            self.progress_thread.content_image_arrived.connect(self.set_content_image)
            self.progress_thread.error_occurred.connect(self.handle_error_occurred)
            self.progress_thread.start()
        else:
            self.content_text_browser.clear()
            self.content_text_browser.setEnabled(False)