我正在使用Qt和opencv运行一个创建UI的脚本。然而,这是一个奇怪的错误
python3 dashboard.py
QObject::moveToThread: Current thread (0xaffdf0) is not the object's thread (0x552f790).
Cannot move to target thread (0xaffdf0)
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/home/aevas/Desktop/pyenvs/new
我的程序(QT/C++)使用python模块从google驱动器下载一些视频,它运行得很好,但我无法将它交叉编译为raspberry pi3。我刚在QT编译了raspberry,我在任何地方都找不到这个错误的解决方案:
#define _POSIX_C_SOURCE 200112L
^
In file included from /opt/qtrpi/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/arm-linux-gnueabihf/include/c++/4.8.3/arm-linux-gnuea
您好,我运行了许多关于这个问题的参考教程,但没有一个解决了我的问题。当我安装笔记本电脑模式工具并尝试启动GUI时,出现了问题。
sudo apt-get install laptop-mode-tools
pkexec /usr/sbin/lmt-config-gui
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
我真的不知道如何在Fedora 30中安装qt5。
我需要使用截屏,它抱怨一些丢失的软件:
$ ./paraview
./paraview: /home/jimmy/Scaricati/ParaView-5.7.0-RC2-MPI-Linux-Python3.7-64bit/bin/../lib/libQt5Core.so.5: version `Qt_5.12' not found (required by /usr/lib64/libQt5Network.so.5)
./paraview: /home/jimmy/Scaricati/ParaView-5.7.0-RC2-MPI-L
我想在mac上的虚拟环境中安装python-Qt4库。我在运行python2.7。建议使用:
sudo apt-get install python-qt4
对于mac和linux用户,但这对我来说是失败的,因为mac没有apt-get命令。所以我尝试使用brew install python-qt4,但是我得到了以下错误消息:
Updating Homebrew...
Error: No available formula with the name "python-qt4"
==> Searching for a previously deleted formula
我正在使用Python3.8Linux安装在远程桌面上运行一个基于PySide2的Python,并遇到了一些问题。
GUI确实会弹出并显示为可操作的,然而,命令提示符显示以下错误:
qt.qpa.xcb: failed to initialize XRandr
qt.qpa.xcb: X server does not support XInput 2
qt.qpa.xcb: QXcbConnection: XCB error: 1 (BadRequest), sequence: 168, resource id: 53,
major code: 131 (Unknown), minor co
我使用python 3.4
我已经从下载了PyQt4
当我通过运行以下命令配置PyQt4时。
python configure-ng.py
我得到以下错误:
Querying qmake about your Qt installation...
qmake: could not exec '/usr/lib/x86_64-linux-gnu/qt4/bin/qmake': No such file or directory
Error: PyQt4 requires Qt v4.1.0 or later. Use the --qmake flag to specify t
Ubuntu14.04python3.4我很久以前就安装了Qt,我使用这个命令来安装QT5库
sudo apt-get install qt-sdk
我检查了Qt的版本
qmake -v
它就是:
QMake version 3.0
Using Qt version 5.2.1 in /usr/lib/x86_64-linux-gnu
然后我安装了SIP4.16.3,并在终端和python3中检查了它,4.16.3
然后我安装了PyQt5.3.2
tar -zxvf PyQt-gpl-5.3.2.tar.gz
cd PyQt-gpl-5.3.2
python3 configure.py
为了解决显示问题,建议使用QWebEngineView。我在脚本中插入了from PyQt5.QtWebEngineWidgets import QWebEngineView,该脚本在执行时会发出:
from PyQt5.QtWebEngineWidgets import QWebEngineView
ImportError: libQt5Positioning.so.5: cannot open shared object file: No such file or directory
# locate libQt5Positioning.so.5
/root/.cache/pyinst
我正在尝试在chromeOS上开发一些pyqt应用程序。但是,在安装过程中仍然会出现一些错误。我尝试了两种方法,首先使用conda,然后直接安装软件包。在使用conda进行安装时没有出现错误,但当我尝试运行时,出现了以下错误 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 initial
在安装过程中,pyqt5不识别最新的sip版本
sip安装:
sip-4.17$ sudo python3 configure.py
This is SIP 4.17 for Python 3.4.3 on linux.
The SIP code generator will be installed in /usr/bin.
The sip module will be installed in /usr/lib/python3/dist-packages.
The sip.h header file will be installed in /usr/include/python3.4m.
使用Fedora 35:我想运行几个不同的软件包,它们共享依赖关系,似乎是Qt。
在shell中,我从Cadence和其他软件那里得到了这样的响应:
ImportError: /lib64/libQt5Core.so.5: version `Qt_5_PRIVATE_API' not found (required by /usr/local/lib/python3.10/site-packages/PyQt5-5.15.6-py3.10-linux-x86_64.egg/PyQt5/QtCore.abi3.so)
ldconfig -p | grep "libQt
我想在Ubuntu14.04.2上安装PyQt5。下载并解压缩后,我运行python configure.py,因为它在前面的链接中提到过。但是,它要求我安装QT 5或更高版本。我做了什么。
当我回来运行上面的命令时,我会得到相同的错误:
begueradj@begueradj-hacker:~/Bureau/PyQt-gpl-5.4.1# python configure.py
Querying qmake about your Qt installation...
Error: PyQt5 requires Qt v5.0 or later. You seem to be using v
我正在尝试用Ubuntu16.04在我的PC上安装python 5。
当我安装的时候
sudo apt install python-pyqt5
系统说,它已经安装好了。
Reading package lists... Done
Building dependency tree
Reading state information... Done
python-pyqt5 is already the newest version (5.5.1+dfsg-3ubuntu4).
The following packages were automatically installed
我正在使用一个旧的代码库,它广泛地使用了旧风格的类型转换(数千)。我试图在Cmake中禁用这些警告,但它就是不起作用(我不想看到数以千计的警告,也不想修复根本原因)。为此,我假设我应该设置-Wno-old-style-cast。我尝试在CMakeLists.txt文件中的3个不同位置执行此操作,但都无济于事。下面是完整的文件:
set(example "train")
project(${example} CXX)
# Python
message(STATUS "We are going to force it to use Python 3. If you cha