PySide6未能运行

Question

我最近安装了PySide 6。我正在运行Ubuntu20.04试图在VSCode上运行我的代码，并且刚刚运行:exportQT_DEBUG_PLUGINS=1

我得到了以下信息：

QFactoryLoader::QFactoryLoader() checking directory path "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqeglfs.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqeglfs.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "eglfs"
        ]
    },
    "archreq": 0,
    "className": "QEglFSIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("eglfs")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqlinuxfb.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqlinuxfb.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "linuxfb"
        ]
    },
    "archreq": 0,
    "className": "QLinuxFbIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("linuxfb")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqminimal.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqminimal.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimal"
        ]
    },
    "archreq": 0,
    "className": "QMinimalIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("minimal")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqminimalegl.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqminimalegl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimalegl"
        ]
    },
    "archreq": 0,
    "className": "QMinimalEglIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("minimalegl")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqoffscreen.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqoffscreen.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "offscreen"
        ]
    },
    "archreq": 0,
    "className": "QOffscreenIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("offscreen")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqvnc.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqvnc.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "vnc"
        ]
    },
    "archreq": 0,
    "className": "QVncIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("vnc")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqwayland-egl.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqwayland-egl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland-egl"
        ]
    },
    "archreq": 0,
    "className": "QWaylandEglPlatformIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("wayland-egl")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqwayland-generic.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqwayland-generic.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland"
        ]
    },
    "archreq": 0,
    "className": "QWaylandIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("wayland")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqwayland-xcomposite-egl.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqwayland-xcomposite-egl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland-xcomposite-egl"
        ]
    },
    "archreq": 0,
    "className": "QWaylandXCompositeEglPlatformIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("wayland-xcomposite-egl")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqwayland-xcomposite-glx.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqwayland-xcomposite-glx.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland-xcomposite-glx"
        ]
    },
    "archreq": 0,
    "className": "QWaylandXCompositeGlxPlatformIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("wayland-xcomposite-glx")
QFactoryLoader::QFactoryLoader() looking at "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqxcb.so"
Found metadata in lib /home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqxcb.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "xcb"
        ]
    },
    "archreq": 0,
    "className": "QXcbIntegrationPlugin",
    "debug": false,
    "version": 393216
}


Got keys from plugin meta data QList("xcb")
QFactoryLoader::QFactoryLoader() checking directory path "/home/omari/anaconda3/envs/gui_projects/bin/platforms" ...
loaded library "/home/omari/anaconda3/envs/gui_projects/lib/python3.8/site-packages/PySide6/Qt/plugins/platforms/libqxcb.so"
qt.qpa.xcb: could not connect to display 
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, xcb.

我已经卸载并重新安装了PySide 6，但仍然无法让它运行。我不知道我在那条信息中遗漏了什么，我需要做些什么。

我试图运行的代码是：

import sys
import random
from PySide6 import QtCore, QtWidgets, QtGui

class MyWidget(QtWidgets.QWidget):
    def __init__(self):
        super().__init__()

        self.hello = ["Hallo Welt", "Hei maailma", "Hola Mundo", "Привет мир"]

        self.button = QtWidgets.QPushButton("Click me!")
        self.text = QtWidgets.QLabel("Hello World",
                                     alignment=QtCore.Qt.AlignCenter)

        self.layout = QtWidgets.QVBoxLayout()
        self.layout.addWidget(self.text)
        self.layout.addWidget(self.button)
        self.setLayout(self.layout)

        self.button.clicked.connect(self.magic)

    @QtCore.Slot()
    def magic(self):
        self.text.setText(random.choice(self.hello))

if __name__ == "__main__":
    app = QtWidgets.QApplication([])

    widget = MyWidget()
    widget.resize(800, 600)
    widget.show()

    sys.exit(app.exec_())

这只是“创建一个简单的应用程序”的副本，并直接从网站粘贴。

有什么解决办法吗？还是需要更多的信息？

我还没有从qt.io的论坛上找到任何解决方案，或者任何其他有关这个问题的文章。

编辑

到目前为止，我遇到了一件工作。我可以直接从终端打开文件。不过，在试图通过VSCode运行时，它仍然不起作用。

EDIT2

这有可能是VSCode扩展问题。PySide，或者QT，将文件保存在.ui中。我的代码在.py中。当将其更改为.ui时，VSCode提示我使用适当的扩展来打开它。我还没有打开它，但我相信我应该这样看待它。为了让它在终端中打开，而不是VSCode，告诉我这是VSCode没有的东西。

Answer 1

所以！我终于让它开始工作了。

在我的工作区窗口中，我所要做的就是右键单击该文件，然后在交互式窗口中运行当前文件。VSCode提示我下载了一个木星笔记本内核，然后它就成功了！

或者，使用Ctrl + Alt + N运行您的代码，而不是使用Ctrl + F5。确保安装了代码运行程序扩展。

考虑到该文件在我的终端中工作，我知道这必须是我正在或不在VSCode上做的事情。所以是的案子结案了。

我花了一段时间把注意力集中在这些我已经开始学习的课程上，所以这并不是说我一直都在紧张自己。我的解决方案是在试图获取matplotlib以显示要运行的图形(第一次使用matplotlib)时出现的，而这正是实现该方法的原因。所以我开始尝试这段代码，然后砰的一声，它的工作方式也是一样的。

所以是的，当事情没有按你所希望的方式工作时，不要把自己压得太紧。