cannot import name qtgui from pyqt4

I'm attempting to follow these tutorials and am stuck on this part. Create an application object of QApplication class. I try to run Spyder on python 2 therefore I needed to build PyQT. Assuming everything was installed correctly, you need to adjust your imports slightly to port from PyQt4 to PyQt5. Know somebody who can help? J'ai installé en utilisant l'installateur windows 32bit, pas ma propre construction. For demonstration proposes, I had put all code into the Python file generated, but a smarter way to add code would be have been to import the . ImportError: cannot import name QPyNullVariant It indicates that the SIP API version is not set to version 2. PyQt - Column of Checkboxes in a QTableView. Returns the name used to create the icon, if available. PySide2.QtGui.QIcon.name ¶ Return type. When you write standalone python scripts, make sure that the very first import is. I'm running on a Mac OS X 10.10.5. def gui_fname(dir=None): """ Select a file via a dialog and return the file name. We can integrate any database through it some of them are- MySQL, SQLITE etc. je viens de passer de PyQt4 à 5 et J'ai un problème avec QtGui. . Downgrading pyqt version 5.6.0 to 4.11.4, and qt from version 5.6.0 to 4.8.7 fixes this: $ conda install pyqt=4.11.4 $ conda install qt=4.8.7. Qt provides four classes for handling image data: QImage, QPixmap, QBitmap and QPicture. """ try: from PyQt5.QtWidgets import QApplication, QFileDialog except ImportError: try: from PyQt4.QtGui import QApplication, QFileDialog except ImportError: from PySide.QtGui import QApplication, QFileDialog if dir is None: dir = './' app = QApplication([dir]) fname = QFileDialog.getOpenFileName(None, "Select a . I'm using PyQt and am running into this issue. ewaller wrote: That file is supposed to be gui.py. from PyQt4.QtCore import * from PyQt4.QtGui import * from PyQt4 import QtCore, QtGui, QtTest When I run my unit test from the command line I get the error: ImportError: cannot import name QtTest QtCore and QtGui appear to load just fine. Traceback (most recent call last): File "train.py", line 15, in < module > from torch.cuda import amp ImportError: cannot import name 'amp' 原因分析： 1.只有PyTorch1.6版本以上才可以从torch.cuda中import amp； make and make install for PyQT5, sip work without errors but spyder still complain that PyQT not instaled. Traceback (most recent call last): File "F NinjaEdit/ui.pyw", line 2, in <module> from PyQt4 import QtCore as core, QtGui as gui, uic ImportError: cannot import name 'uic'can you tell me whats wrong Note (I use 3.4.3)found the problem should be A QWidget object creates top level window. The next thing you did wrong was copying the Python2.7 modules to your Python3.x lib, most modules (especially big complex ones such as PyQt, have version specific code that won't work. I suspect the auto-completion of your python terminal just doesn't know about the PyQt package you installed. str. I'm using ubuntu 12.04 and was able to get PyQt4 installed by doing: sudo apt-get install python-qt4. Set the caption of label as "hello world". Thank you for your help and [solved] is this problem. The first try to solve the problem was installing the packages pyqt4-dev-tools and pyqt4.qsci-dev, which did not solve the problem. Moreover PyQt provides us the facility to integrate our database in our application. mapLayersByName ("layer name you . ImportError: cannot import name QtGui. The display effect is as follows (Note: different contents can be displayed every four seconds, which can be set in the program): The above example of PyQt4 real-time display text content GUI is all the content shared by Xiaobian. ImportError: cannot import name QtGui then I tried to change the sys.path according to Pyinstaller: ImportError: cannot import name QtGui work around but it still gives me the same Update: It looks like I do in fact import QtGui because when I go in IDLE and try it, it still autocompletes QMovie and a whole bunch of other attributes. In my tutorial on Python GUI's with PyQt, I had many people bring up the fact that when modifying the GUI, as soon as pyuic5 is executed again to rebuild the Python file, all original changes will be lost.. unused import statement import selenium. This way the depencies stay the same but you get the latest psychopy code. 2 comments Comments. Invite them to answer. If my import statements are: from PyQt4.QtCore import * from PyQt4.QtGui import * then pylint gives hundreds of "Unused import" warnings. Another option would be to do this: In some linux environments import sip fails. Re: ImportError: cannot import name 'Ui_Dialog' [SOLVED] Exactly brillant! PyQt5 à défaut d'importation de QtGui. To install PyQt5 using pip, run the following command: $ pip3 install PyQt5. 8 Replies. Note that in the project your linked to, there are several connect statements already done. conda create --name pyqt-test python=3 activate pyqt-test conda install pyqt Keep this command prompt open, start the python interpreter, and try the import procedure again. Therefore, if you installed pyqt 5.x for Anaconda but found both of PyQt4 and PyQt5 in Anaconda3\Lib\site-packages, you should delete the folder PyQt4 and leave PyQt5 alone. 报出以下错误 "cannot import name 'QtGui'". from qgis.PyQt.Qt import QTextDocument from qgis.PyQt.QtGui import QFont mQFont = "Sans Serif" mQFontsize = 9 mLabelQString = "© QGIS 2019" mMarginHorizontal = 0 mMarginVertical = 0 mLabelQColor = "#FF0000" INCHES_TO_MM . Never copy modules from one release to another unless you are sure that it is version agnostic. 更新：看起来我确实导入了QtGui，因为当我进入IDLE并尝试它时，它仍然自动完成QMovie和一大堆 . 1. This will work on any platform that supports PyQT4 including Windows, Linux, UNIX, Android, OS X and iOS. In a sense, this is true. Environment Windows 7 64-bit Python 2.7 32-bit PYTHONHOME=c:python27 PYTHONPATH=c:python27lib PYTHONLIB=c:python27libspython27.lib;c:python27libsite-packages. from PyQt4 import QtCore, QtGui RuntimeError: the sip module implements API v11.0 but the PyQt4.QtCore module requires API v10.1 [[email protected] python_programme]$ python2 erstenprog.py Traceback (most recent call last): File "erstenprog.py", line 26, in <module> import matplotlib.pyplot as plt ImportError: No module named matplotlib.pyplot So I tried to install the package python-qt4, which happened to be already installed in my system. I've tried debugging by launching python and importing other modules. refs to: [https://github.com/qgis/QGIS/issues/45169](https://github.com/qgis/QGIS/issues/45169) ``` root@106cc5a953e7 . Depending on the way the icon was created, it may have an associated name. from PyQt4 import QtGui. Steps 1. To ensure the successful installation, run the following Python code: import PyQt5. Get the SourceForge newsletter. Get notifications on updates for this project. I started learning PyQt from zetcode, as far as i know sys.argv reads in the parameter from coomandline and first being the name of file itself, so if sys.argv is a list then what being passed to QtGui.QApplication () in. 结果如下：. cannot import name 'QtGui'. These examples are extracted from open source projects. instance (). 今天初次使用PyQt，运行以下语句. When starting picard I get the following output and picard won't start. We can integrate any database through it some of them are- MySQL, SQLITE etc. Code: Select all. I hope it can give you a reference, and I hope you can support developepaer more. This code runs fine: from PyQt4 import QtCore, QtGui, uic But this one doesn't: from PyQt4 import QtCore, QtGui, uic, QtSql This is the error: 'from PyQt4 import QtCore, QtGui, uic, QtSql ImportError: DLL load failed: The specified procedure could not be found.' This approach contrasts with the canvas-style approach used by the Graphics View Framework where items are added to a scene by the application and are rendered by the . from PyQt5 import Qtcore Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: cannot import name 'Qtcore' >>> Copy Code from PyQt5.QtWidgets import QApplication, QWidget Traceback (most recent call last): File "<stdin>", line 1, in <module> SystemError: initialization of QtWidgets failed without raising an exception Find layer by name. Bug#523347: picard: Does not start (ImportError: cannot import name QtGui) Patrick Hallen Thu, 09 Apr 2009 07:13:25 -0700. Python. See the Qt modules page for more details. Normally you can only import the complete interface as a whole, not pieces of it; this is because the FreeCAD interface system is not only made of independent widgets and toolbars . from PyQt4 import QtGui, QtCore) works without any issues, but when i run . I also install pip install PyQT5 and it not helped. QBitmap is only a convenience class that inherits QPixmap, ensuring a depth of 1.The isQBitmap() function returns true if a . With PyQt/PySide: source_object.name_of_signal.connect(target_object.name_of_slot) Replace source_object and target_object with suitable objects in your code. def main(): app = QtGui.QApplication(sys.argv) ex = Example() sys.exit(app.exec_()) python. The main GUI elements are in the QtWidgets module, whilst the more basic GUI elements are in QtGui. Slightly different version, but it works for me: In [1]: from PyQt4.QtCore import QT_VERSION_STR In [2]: print("Qt version:", QT_VERSION_STR) ('Qt version:', '4.8.5') exec() or exec_() The .exec() method is used in Qt to start the event loop of your QApplication or dialog boxes. J'ai installé en utilisant l'installateur windows 32bit, pas ma propre construction. PyQt5 à défaut d'importation de QtGui. puis j'ai essayé de changer le système.chemin selon Pyinstaller: importateur: ne peut pas importer nom QtGui travailler autour, mais il me donne . If no errors appeared, that means you have successfully installed PyQt5, but if you got errors, you might be using an unsupported version of Python. In this tutorial we will teach you how to create a graphical application with PyQT4. 版权声明：本文为weixin_42620616原创文章，遵循 CC 4.0 BY-SA 版权协议 . 3 Contributors. Get newsletters and notices that include site news, special offers and exclusive discounts about IT products & services. In this section of the tutorial, we will describe several useful widgets: a QtGui.QCheckBox, a ToggleButton, a QtGui.QSlider, a QtGui.QProgressBar, and a QtGui.QCalendarWidget. import qgis The SIP API Version always needs to be set before any other PyQt code is executed. I can import PyQt5, but then I cannot use the modules under it. The code I am trying to run is: PyQt4 has a wide range of various widgets, including buttons, check boxes, sliders, or list boxes. Downgrading pyqt version 5.6.0 to 4.11.4, and qt from version 5.6.0 to 4.8.7 fixes this: $ conda install pyqt=4.11.4 $ conda install qt=4.8.7. from PyQt4 import QtGui, QtCore, QtWebKit I receive the following: Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: cannot import name QtWebKit It is possible to import the FreeCAD module into a Python application, and use all its tools from the host application, but the graphical user interface (GUI) can be imported as a Python module as well. je viens de passer de PyQt4 à 5 et J'ai un problème avec QtGui. I want the checkbox checkbox_name to lock the name-choice, without copy and pasting the current lock_choice()-method and switching the hardcoded combobox. I have example code here. Use PyQt5 or the version independent qgis.PyQt import instead. the tutorial you linked wrote: Running the file does nothing. unused import statement import selenium. QImage is designed and optimized for I/O, and for direct pixel access and manipulation, while QPixmap is designed and optimized for showing images on screen. In the same command prompt, do the following: In Python 2.7 exec was a keyword, meaning it could not be used for variable, function or method names. Hoping for a workaround for this or something to try. January 18, 2022 . Note: Even a non-null icon might not be able to create valid pixmaps, eg. This code runs fine: from PyQt4 import QtCore, QtGui, uic But this one doesn't: from PyQt4 import QtCore, QtGui, uic, QtSql This is the error: 'from PyQt4 import QtCore, QtGui, uic, QtSql ImportError: DLL load failed: The specified procedure could not be found.' But I agree with the general point that using "import *" is reasonable when you have a large library like PyQt4---providing that library has sensible export behaviour. 问题背景:这是我之前的 PyQt 项目，我正在研究并尝试启动 GUI。我已经使用 Python 2.7 设置了一个 Anaconda 环境并使用了 PyQt4。错误是:-File "gui/gui.py", line 26, in <module> from qtpy.QtCore import (Qt, QFileSystemWatcher, QSettings, pyqtSignal) ImportError: cannot import name pyqtSignal 代码 :- To use PyQt4, you want to try from PyQt4 import QtCore, QtGui. Set up failed with this message : Impossible de charger l'extension 'LandSurveyCodesImport' provoque une erreur lors de l'appel à sa méthode classFactory() ImportError: PyQt4 classes cannot be imported in QGIS 3.x. The following are 19 code examples for showing how to use PyQt5.QtCore.Signal () . Can anyone help me figure out why QtTest is different? The example code needs to be changed to something like: ImportError: cannot import name QtGui. 2. Re: [cx-freeze-users] ImportError: cannot import name format with python 3.2, numpy 1.6.0, cx_freeze 4.2.3 Revert to the standalone from 1.83.01 if that was working for you and then just update the app with a patch release (download the zip file for version 1.83.03 and use the tools menu to update to this zip file). Hello. also when I run python and the run "import PyQT5" it complain: ImportError: No module named PyQT5. ImportError: cannot import name QtGui. from PyQt4.QtGui import * and it did not work. pyqt_fit appears to be a completely separate package, not maintained by the PyQt developers. Subject: picard: Does not start (ImportError: cannot import name QtGui) Date: Thu, 09 Apr 2009 16:10:12 +0200 Package: picard Version: 0.11-2 Severity: grave Justification: renders package unusable When starting picard I get the following output and picard won't start. I'm hesitant to just turn them off, because there might be other unused imports that are actually useful to see. puis j'ai essayé de changer le système.chemin selon Pyinstaller: importateur: ne peut pas importer nom QtGui travailler autour, mais il me donne . ImportError: cannot import name 'sip' from 'PyQt5' エラーメッセージ. I did put the code into gui.py and that finally resolve my problem. Getting PyQt4 working. I get the above error when running a simple .py file: import sys from PyQt4 import QtGui. PyQt5.QtCore.Signal () Examples. The PyQt4 that I have installed is from the wheel (installed with pip). Mar-28-2019, 12:49 PM. Moreover PyQt provides us the facility to integrate our database in our application. PyQt's UI compiler features an -x flag which can be used to build an executable demo from a UI file. if the file does not exist or cannot be read. 然后我尝试根据Pyinstaller更改sys.path：ImportError：无法导入名称QtGui工作但它仍然给我相同. Both QComboBoxes can share the method use_choice() right now, but they cannot share the method lock_choice(), as both checkboxes lock the color-choice. Add QLabel object in it. I've just built PyQt5 in a pyenv virtualenv with python 3.6.3 on OpenSUSE leap, the build went fine, but when I import. 1. Note that in the project your linked to, there are several connect statements already done. fail to run uber_subject.py- fail to import PyQt4.QtGui: Jinxia Yao: August 27, 2017 12:22PM: Re: fail to run uber_subject.py- fail to import PyQt4.QtGui: rick reynolds: August 27, 2017 09:02PM: Re: fail to run uber_subject.py- fail to import PyQt4.QtGui: Ekarin Pongpipat: September 15, 2017 10:24PM: Re: fail to run uber_subject.py- fail to . I can create the table, with the checkboxes but I cannot get the checkboxes to reflect the model data, or even to change at all to being unchecked. Create a new file called gui.py. I try to run a python script using PyQt5 QtWebEngineWidgets but it throws errors: from PyQt5.QtWebEngineWidgets import ( ImportError: No module named 'PyQt5.QtWebEngineWidgets' I think there is a I am sure there is an easy way, like . Copy link chronopoulos commented Sep 27, 2019 . Package: picard Version: 0.11-2 Severity: grave Justification: renders package unusable. Driver Layer: It have QSqlDriver, QSqlDriverCreatorBase, and QSqlResult . 技术标签： Pyqt. Driver Layer: It have QSqlDriver, QSqlDriverCreatorBase, and QSqlResult . コードをPyQt4からPyQt5に変換しようとしていますが、エラーが発生します。 from PyQt5.QtGui import QApplication, QPixmap desktop = QApplication.desktop() QPixmap.grabWindow(desktop.screen().winId()).save("screen.png", "PNG") 3.4.3 (v3.4.3:9b73f1c3e601, Feb 24 2015, 22:44:40) [MSC v.1600 64 bit (AMD64)] Traceback (most recent call last): File "C:\Python34\Projects\name . To link SQL database with PyQt5 application QtSql module is used.The SQL classes are divided n three layers: 1. import os, sys, FreeCAD, FreeCADGui from PyQt4 import QtCore, QtGui from PyQt4.QtGui import QMainWindow, QWorkspace, QAction, QFileDialog, QApplication from pivy.coin import SoInput, SoDB, sogui. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. I will show just the first lines. In the pyinstaller hooks directory there is special handling for PyQt4 though not PySide. File " C: \P rogramData \A naconda3 \l ib \s ite-packages \p yqtgraph \Q t.py ", line 137, in < module > from PyQt5 import QtGui, QtCore, QtWidgets, sip, uic ImportError: cannot import name ' sip ' from ' PyQt5 ' (C:\ProgramData\Anaconda3\lib\site-packages\PyQt5 . 把Qt5卸载，然后重装了Qt4，出现安装成功语句，然后就可以使用了. Related course: Create GUI Apps with PyQt5 ; PyQt4 installation PyQt does not include Qt itself - you may have to obtain it separately. Therefore, if you installed pyqt 5.x for Anaconda but found both of PyQt4 and PyQt5 in Anaconda3\Lib\site-packages, you should delete the folder PyQt4 and leave PyQt5 alone. QGIS 2.8.3. PyQt 4 Creating a simple GUI application using PyQt involves the following steps: Import QtCore, QtGui and QtWidgets modules from PyQt5 package. from qgis.core import QgsProject layer = QgsProject. Python . Introduction. I discovered that if I changed the PyQt4 for PySide like this. Introduction. Which I couldn't run without errors. based on @eendebakpt 's code, the following workaround works for me on windows/anaconda 4.4.0/python 3.6: import sys from PyQt5 import QtCore , QtGui , QtWidgets from GitAnswer PyQt code cannot run twice The qgis import takes care of that. The PyQt4 that I have installed is from the wheel (installed with pip). Detailed Description¶. I am dynamically creating a QTableView from a Pandas dataframe. Since PySide.QtGui.QWidget is a subclass of PySide.QtGui.QPaintDevice, subclasses can be used to display custom content that is composed using a series of painting operations with an instance of the PySide.QtGui.QPainter class. If it works now, it means the problem is the pip version of PyQt5. from PyQt4.QtCore import * from PyQt4.QtGui import * # etc which still allows me to use QWidget etc unqualified, but at least reminds me which of the 10 libraries I'm using. Kann QtGui nicht von PyQt4 importieren - import, pyqt4, python-3.6, qtgui Python-Module funktionieren in Imports, aber Befehle von Modulen, die nicht in der Befehlszeile funktionieren - bash, python-2.7, pyqt, python-modul With PyQt/PySide: source_object.name_of_signal.connect(target_object.name_of_slot) Replace source_object and target_object with suitable objects in your code. Share. To link SQL database with PyQt5 application QtSql module is used.The SQL classes are divided n three layers: 1. Using pip. I´ve run brew update twice and brew doctor and it´s says ready to brew. They all work fine (e.g. Created by: XRolland Hi, I just tried to setup your plugin in QGIS 3.10.4 on Ubuntu 18.04. >>> from PyQt5 import QtCore Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: PyCapsule_GetPointer called with incorrect name. This isn't available in PySide's version. from PyQt4 import QtGui, QtCore, QtWebKit, QtNetwork ImportError: cannot import name QtWebKit ` jeremie Member (629) 1 4 6 11/02/2016 0 votes 2 answers 1552 views ANSWER: × Invite people to answer.

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