Conda Install Pyqt4

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Sudo apt-get install pyqt4-dev-tools sudo pip install lxml make qt4py2 python labelImg.py python labelImg.py [IMAGE_PATH] [PRE-DEFINED CLASS FILE] Python 3 + Qt5. Conda install pyqt=5 pyrcc5 -o resources.py resources.qrc python labelImg.py python labelImg.py [IMAGE_PATH] [PRE-DEFINED CLASS FILE]. Sudo apt-get install python3-pyqt5 # PyQt5 on Python 3 sudo apt-get install python3-pyqt4 # PyQt4 on Python 3 sudo apt-get install python-qt4 # PyQt4 on Python 2 See also Installing Jupyter The Qt console is part of the Jupyter ecosystem. $ conda install specviz If you do not have AstroConda setup, then you can install SpecViz by specifying the channel in your install command. $ conda install pyqt SpecViz works with with PyQt4 and PySide, but it is recommended that users use PyQt5 if available. SIP’s and PyQt4’s configure.py scripts provide the necessary command line options to allow the correct configurations to be specified - the trick is to work out which options to use depending on the versions of Python and Qt you have installed. This may sound stupid, but how do I install PyQT? A few month back there was an installer.exe on the website. But now there is only a source forge and I am not exactly sure what to do. This is what I did, but it doesnt seem to work. I got a Dell Latitude E6330 with windows 7 64bit.

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Comments

commented Nov 6, 2015

I did:

conda install pyqt

from my Anaconda-64, and pyqt got installed with no issues. However, when importing from pyqt:

from PyQt4 import QtCore

I get that the DLL could not be loaded:

ImportError: DLL load failed: %1 is not a valid Win32 application.

I installed Anaconda-32 and PyQt on that and there were no issues (since both Python and the library are 32-bit)

commented Jan 6, 2016

I also am getting this error. Is there a fix yet?

commented Jan 6, 2016

Install Pyqt5 Anaconda

I have verified that our packages contain the correct DLLs. You may be encountering PATH issues. If you have other software that contains Qt, and that software is 32-bit, and that software comes before Anaconda in PATH, then Anaconda's programs will use the wrong Qt.

One quick way to check this is to create an environment that uses Qt:

conda create -n pyqt_test python pyqt

Activate that environment, and try your import statement again. Does it work? If it does, then PATH is the issue. Activating the environment prepends to PATH, so the environment files get found first.

Anaconda Install Qt5

commented Jan 6, 2016

The first line in PATH is C:Anaconda. I don't have any other Qt versions installed.

I was able to fix the problem by doing the following:

  1. conda uninstall pyqt
  2. downloaded the correct package version (qt-4.8.7-vc9_5.tar.bz2) from https://repo.continuum.io/pkgs/free/win-64/
  3. conda install --use-local pyqt

Could the conda package manager be installing the wrong package?

Pyqt5

Conda Install Pyqt4

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