在树莓派上为 Python3.6 安装 PyQt5

Question

Since I found no answer for my question, neither in older posts nor in other forums, I want to ask the stackoverflow community for advice.

I am using a raspberry pi 3B+, version 9.4 (lite) with kernel version 4.14.71-v7.

I use python3.6. I installed it as follows:

sudo apt-get install build-essential checkinstall
sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev

cd /usr/src
sudo wget https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz
sudo tar xzf Python-3.6.0.tgz

sudo -s
cd Python-3.6.0
bash configure
make altinstall
exit

Installation was without any trouble and everything works perfectly.

Now I wanted to install the PyQt5 modul for python3.6. I usually use

sudo python3.6 -m pip install ...

for installing a modul for python3.6. Trying

sudo python3.6 -m pip install pyqt5

gave me the error message

 Could not find a version that satisfies the requirement PyQt5 (from versions: )
 No matching distribution found for PyQt5

So I tried

sudo apt-get update
sudo apt-get install qt5-default pyqt5-dev pyqt5-dev-tools

But it installed PyQt5 for python3.5 (which is preinstalled) on the raspberry.

So does anybody know how to use or install PyQt5 for the subsequently installed python3.6?

Edit 08.03.2019:
Thanks FlyingTeller. I started to build from source. I followed the steps from your link.

sudo apt-get update
cd /usr/src
sudo wget https://www.riverbankcomputing.com/static/Downloads/sip/sip-4.19.14.tar.gz
sudo tar xzf sip-4.19.14.tar.gz
cd sip-4.19.14
sudo -s
python3.6 configure.py --sip-module=PyQt5.sip 
make
make install

cd /usr/src
sudo wget https://www.riverbankcomputing.com/static/Downloads/PyQt5/PyQt5_gpl-5.12.tar.gz
sudo tar xzf PyQt5_gpl-5.12.tar.gz
cd PyQt5_gpl-5.12
python3.6 configure.py

Then I received the following error

Error: Use the --qmake argument to explicitly specify a working Qt qmake.

I think I am on the right way, but I do not understand what qmake is or what it means.

Edit 10.03.2019:
I could solve the last error message. I installed

sudo apt-get install qt5-default

Then I did the same procedure as already mentioned. Now I get the error

fatal error: sip.h: File or directory not found 
#include <sip.h>

PyQt5 config.py is in: /usr/src/PyQt5_gpl-5.12
SIP sip.h is in: /usr/src/sip-4.19.14

Anybody an idea? Thanks guys.

Answer 1

Today I found the solution. The steps below worked for me, without any error. The whole process took almost two hours.

sudo apt-get update
sudo apt-get install qt5-default
sudo apt-get install sip-dev

cd /usr/src
sudo wget https://www.riverbankcomputing.com/static/Downloads/sip/sip-4.19.14.tar.gz
sudo tar xzf sip-4.19.14.tar.gz
cd sip-4.19.14
sudo python3.6 configure.py --sip-module PyQt5.sip
sudo make
sudo make install

cd /usr/src
sudo wget https://www.riverbankcomputing.com/static/Downloads/PyQt5/PyQt5_gpl-5.12.tar.gz
sudo tar xzf PyQt5_gpl-5.12.tar.gz
cd PyQt5_gpl-5.12
sudo python3.6 configure.py
sudo make
sudo make install

Answer 2

Seems like they moved some things around. This seems to work, as far as getting things, and compiling them. It takes a long time to build.

For the associated designer, look at:

QtDesigner for Raspberry Pi

sudo apt-get update
sudo apt-get install qt5-default
sudo apt-get install sip-dev

cd /usr/src
sudo wget https://www.riverbankcomputing.com/static/Downloads/sip/4.19.23/sip-4.19.23.tar.gz
sudo tar xzf sip-4.19.23.tar.gz
cd sip-4.19.23
sudo python3 configure.py --sip-module PyQt5.sip
sudo make
sudo make install

cd /usr/src
sudo wget https://www.riverbankcomputing.com/static/Downloads/PyQt5/5.13.2/PyQt5-5.13.2.tar.gz
sudo tar xzf PyQt5-5.13.2.tar.gz
cd PyQt5-5.13.2
sudo python3  configure.py
sudo make
sudo make install

Answer 3

我尝试按照您的步骤操作，但收到错误消息：我安装了python 3.7.0，因此我进行了相应的更改，现在我在sip上安装了版本5，因此当我尝试“ sudo python3.6 configure.py --sip-模块PyQt5.sip”我得到“没有这样的文件或目录” ...任何帮助或想法？

Answer 4

在我的情况下，它有助于将 pip 从 verion 18 更新到最新版本，在我的情况下是 20.2 ( python -m pip install --upgrade pip )，然后执行pip install PyQt5 。

Answer 5

The instructions used in the accepted answer did not work for me. I think it's simply because they are outdated. I wanted to post the list of commands that did work for me. I'm running a Pi 400 with the latest version of Raspbian as of 12/20/2020. I used the default python3 rather than python3.6 .

Here is the modified list of commands that worked for me:

sudo apt-get install qt5-default
sudo apt-get install sip-dev

cd /usr/src
sudo wget https://www.riverbankcomputing.com/static/Downloads/sip/sip-5.5.1.dev2011271026.tar.gz
sudo tar xzf sip-5.5.1.dev2011271026.tar.gz
cd sip-5.5.1.dev2011271026
sudo python3 setup.py build
sudo python3 setup.py install

sudo wget https://files.pythonhosted.org/packages/28/6c/640e3f5c734c296a7193079a86842a789edb7988dca39eab44579088a1d1/PyQt5-5.15.2.tar.gz
sudo tar xzf PyQt5-5.15.2.tar.gz
cd PyQt5-5.15.2
sudo python3 configure.py
sudo make
sudo make install

Answer 6

Can't comment due to reputation but I would add to Christ Troutner's useful updated answer, that in case users get a No module named 'PyQt5.sip' error, try --sip-module PyQt5.sip during configure, per the docs:

Note

When building PyQt5 v5.11 or later you must configure SIP to create a private copy of the sip module using a command line similar to the following:

python configure.py --sip-module PyQt5.sip

If you already have SIP installed and you just want to build and install the private copy of the module then add the --no-tools option.

Answer 7

The accepted answers did not work for me, below is the code that worked for me.

   sudo apt-get update
   sudo apt-get install qt5-default
   sudo apt-get install qtcreator

This code not only installs Qtcreator but also installs Qt5 Assistant, Qt5 Designer, and Qt5 Linguist

Answer 8

thank you for this thread. I am following your instructions. But at the end after instullation when I run my code/program, I got the following error:

==================================

qt5ct: using qt5ct plugin QEGLPlatformContext: Failed to create context: 3009

QOpenGLWindow::beginPaint: Failed to create context

QOpenGLWindow::beginPaint: Failed to make context current

Traceback (most recent call last):

File "my_prog.py", line 68, in initializeGL

self.gl = self.context().versionFunctions()

AttributeError: module 'PyQt5._QOpenGLFunctions_ES2' has no attribute 'QOpenGLFunctions_ES2'

Aborted

==================================

Do you have an idea how to solve it? Many thanks in advance.

I am using Raspberry Pi4 which has python3.7 by default. I installed python3.6 and followed your exact instructions (I got the same message on python3.7 as well)