How to install PyQt5 in Python 3 (Ubuntu 14.04)

Question

I need to port some code that's Python2+PyQt4 to Python3+PyQt5.

I started installing pip3

sudo apt-get install python3-pip 

Works great. Tried

sudo pip3 install PyQt5 Downloading/unpacking PyQt5   Could not find any downloads that satisfy the requirement PyQt5 Cleaning up... No distributions at all found for PyQt5 

Online I find the following steps:

http://pyqt.sourceforge.net/Docs/PyQt5/installation.html

But they are too many. What's the easiest way to Install PyQt5 along with Python3 in Ubuntu 14.04 ?

Answer 1

Why not simply install it via apt-get?

sudo apt-get install python3-pyqt5

Otherwise you'd have to compile PyQt (and potentially Qt) by hand, which is cumbersome.

Answer 2

Well I documented the steps for Installing pyqt5 with qt designer and code generation here: https://gist.github.com/ujjwal96/1dcd57542bdaf3c9d1b0dd526ccd44ff

Installation

pip3 install --user pyqt5   sudo apt-get install python3-pyqt5   sudo apt-get install pyqt5-dev-tools sudo apt-get install qttools5-dev-tools 

Configuring to run from terminal

$ qtchooser -run-tool=designer -qt=5 

OR

Write the following in /usr/lib/x86_64-linux-gnu/qt-default/qtchooser/default.conf

/usr/lib/x86_64-linux-gnu/qt5/bin /usr/lib/x86_64-linux-gnu 

Code Generation

Create uic.py file.

#!/usr/bin/python3  import subprocess import sys  child = subprocess.Popen(['pyuic5' ,'-x',sys.argv[1]],stdout=subprocess.PIPE)  print(str(child.communicate()[0],encoding='utf-8')) 

---

$ chmod +x uic.py 

Create a symlink:

$ sudo ln uic.py "/usr/lib/x86_64-linux-gnu/qt5/bin/uic" 

Desktop Entry

[Desktop Entry] Name=Qt5 Designer Icon=designer Exec=/usr/lib/x86_64-linux-gnu/qt5/bin/designer Type=Application Categories=Application Terminal=false StartupNotify=true Actions=NewWindow  Name[en_US]=Qt5 Designer  [Desktop Action NewWindow] Name=Open a New Window Exec=/usr/lib/x86_64-linux-gnu/qt5/bin/designer 

save in ~/.local/share/application with .desktop extension