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Изворен канал @pythonotes · Post #380 · 21 окт.
Регулярно приходится писать и ревьюить код, где используется PySide2-6. Заметил, что в подавляющем большинстве случаев настройка создаваемых базовых виджетов происходит через методы. Думаю, всем знаком такой способ. Простой пример с кнопкой: button = QPushButton("Click Me") button.setMinimumWidth(300) button.setFlat(True) button.setStyleSheet("font-size: 20pt") button.setToolTip("Super Button") button.clicked.connect(lambda: print("Button clicked")) Но есть и альтернативный способ - настройка через свойства. Это просто ключевые аргументы конструктора класса. Хоть они и не указаны в документации как аргументы, но они есть) Этот код делает тоже самое но с помощью Property button = QPushButton( "Click Me", minimumWidth=300, flat=True, styleSheet="font-size: 20pt", toolTip="Super Button", clicked=lambda: print("Button clicked"), ) Где это может быть полезно ▫️ Это выглядит более аккуратно и коротко, уже повод использовать ▫️ Может использоваться в заполнении лейаута, когда нам не нужно никакое другое взаимодействие с виджетом и поэтому сохранять его в переменную не требуется. Например, лейбл или кнопка. widget = QWidget(minimumWidth=400) layout = QHBoxLayout(widget) layout.addWidget(QLabel("Button >", alignment=Qt.AlignRight)) layout.addWidget(QPushButton("Click Me", clicked=lambda: print("Button clicked"))) widget.show() Либо так widget = QWidget(minimumWidth=400) layout = QHBoxLayout(widget) for wd in ( QLabel("Button >", alignment=Qt.AlignRight), QPushButton("Click Me", clicked=lambda: ...) ): layout.addWidget(wd) widget.show() ▫️ Можно хранить настройки в каком-то конфиге или генерировать на лету, после чего передавать как kwargs. kwargs = {"text": "Hello " * 30, "wordWrap": True} my_label = QLabel(**kwargs) Как получить полный список доступных свойств? Эта функция распечатает в терминал все свойства виджета и их текущие значения def print_widget_properties(widget): meta_object = widget.metaObject() for i in range(meta_object.propertyCount()): property_ = meta_object.property(i) property_name = property_.name() property_value = property_.read(widget) print(f"{property_name}: {property_value}") #tricks#qt
Пребарај: #september
@Dailyrss · Post #13123 · 30.09.2025 г., 00:45
Wikipedia每日一图（#September 30, 2025）https://ift.tt/y5Fte6m Loggerhead sea turtle (Caretta caretta) with diver in the background, Fernando de Noronha Marine National Park, Pernambuco, Brazil. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13122 · 29.09.2025 г., 00:45
Wikipedia每日一图（#September 29, 2025）https://ift.tt/FQ5hyn8 Fall of the Rebel Angels is a fresco by Giacinto Brandi adorning the central vault of Sant'Ambrogio e Carlo al Corso basilica in Rome. It depicts Michael the Archangel's victory in battle over fallen angels. Today is Michaelmas.. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13121 · 28.09.2025 г., 00:45
Wikipedia每日一图（#September 28, 2025）https://ift.tt/Jhp6sa7 French chemist and microbiologist Louis Pasteur photographed by Nadar. Renowned for his scientific discoveries, he saved millions by developing vaccines for rabies and anthrax, as well as the process of pasteurization. He died on this day 130 years ago.. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13120 · 27.09.2025 г., 00:45
Wikipedia每日一图（#September 27, 2025）https://ift.tt/suPWQxz Panoramic view of the west bank of Nigeen Lake in Srinagar, India, with the distant Middle Himalayan Pir Panjal mountain range in the background. The city, situated on the banks of the Jhelum river and several lakes in the Himalayan Kashmir Valley, is the summer capital of Jammu and Kashmir and the northernmost million-plus city of India.. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13119 · 26.09.2025 г., 00:45
Wikipedia每日一图（#September 26, 2025）https://ift.tt/0kyxNdY An image of Arab twin brothers Saints Cosmas and Damian from the Grandes Heures of Anne of Brittany. As ancient physicians, they are depicted holding tools of their profession. Today is their feast day on the General Roman Calendar.. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13118 · 25.09.2025 г., 00:45
Wikipedia每日一图（#September 25, 2025）https://ift.tt/Vm9gkLa Concrete paving with gaps in the parking lot of the city cemetery of Waldenbuch, Germany. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13117 · 24.09.2025 г., 00:45
Wikipedia每日一图（#September 24, 2025）https://ift.tt/ejIC2yx Feskekôrka (meaning "fish church") is a historic building in Gothenburg, Sweden that formerly housed an indoor fish market. Its name is based on the building's resemblance to a neo-Gothic church.. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13116 · 23.09.2025 г., 00:45
Wikipedia每日一图（#September 23, 2025）https://ift.tt/jrMK0Ez The participants of the Prussian Egypt expedition on the top of the Great Pyramid, watercolour by Johann Jakob Frey, 1842. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13115 · 22.09.2025 г., 00:45
Wikipedia每日一图（#September 22, 2025）https://ift.tt/lGQLJyW The Isaiah Scroll is the best preserved of the seven Dead Sea Scrolls that were first discovered by Bedouin shepherds from Qumran. The Dead Sea Scrolls were first made available to the public on this date in 1991.. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13114 · 21.09.2025 г., 00:45
Wikipedia每日一图（#September 21, 2025）https://ift.tt/aCQfK0F This sculpture representing the Gospel of Matthew appears in St. Genesius Church in Baden-Württemberg. It depicts a tetramorph element standing next the apostle reading a codex. Today is Saint Matthew's feast day.. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13113 · 20.09.2025 г., 00:45
Wikipedia每日一图（#September 20, 2025）https://ift.tt/qsRNKZJ Paesens. Dobbe (Little lake) behind the sea wall.. 了解更多 . #Wikipedia每日一图
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@Dailyrss · Post #13112 · 19.09.2025 г., 00:45
Wikipedia每日一图（#September 19, 2025）https://ift.tt/JP50xro Haigerloch, Germany: view of the old town with its picturesque location in a bend of the Eyach river. In the centre Haigerloch Castle and the castle church.. 了解更多 . #Wikipedia每日一图
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