Could not start Qt-designer - python-3.x

On windows7 64bits, I just installed Eric6 in this way :
python -m pip install pyqt5
python -m pip install QScintilla
install.py
I tried to follow their first tutorial LogParser on https://eric-ide.python-projects.org/tutorials/LogParser/chap2.html
When coming to create LogParser.ui I get the following error :
Could not start Qt-designer
Ensure that it is available as ...Python36\lib\site-packages\PyQt5\Qt\bin\designer.exe
When checking there is a folder: C:\Users\Gustav\AppData\Local\Programs\Python\Python36\Lib\site-packages\PyQt5\Qt\bin
But its not containg any exe file
Any help would be nice !

I managed to install QT Designer as follows (as a stand-alone application, not using Eric IDE):
Install latest QT (I'm using 5.8) from QT main site
Make sure you include "Qt 5.8 MinGW" component
QT Designer will be installed in C:\Qt\5.8\mingw53_32\bin\designer.exe
Note that the executable is named "designer.exe"

Related

Installing Python silently

I have my code written in python 3.6.5. I am trying make this an installable package (something like install shield) and wanted to bundle python software also along with this installshield. OS is Windows
Will python work by unzipping the installation directory and then setting path variable?
When I use /quiet for silent installation of python, I could not change the path of installation directory to my choice, say in my case C:\test(even after setting TargetDir=C:\test). Where am I going wrong?
If there any other approach to bundle installation of python along with installation package can someone let me know?
Why not use Pyinstaller? If python is set to path you can run from CMD pip install pyinstaller. Then you can create a standalone exe that will include the python packages to run. Hold shift and open a CMD where your script is and then run a command similar to this
pyinstaller --noconsole --icon=data.ico --version-file=Version.txt -F LineQuery.py
The -F is the standalone package. Be aware though that you need to copy the DLLs from microsoft runtime visual c++ 2015 into the python DLL folder usually located at C:\Users\"user"\AppData\Local\Programs\Python\Python36\DLLs. That is if you package it on windows 10. Otherwise you'll have issues with your program running on earlier versions of windows.
The standalone package will be slow at startup. You can package it into a folder that will be faster. Just remove the -F

Downloading and installing PyBluez for a 64-bit Windows 10 PC?

I'm trying to use bluetooth with python, and I came across a module - pybluez. Right then, I tried installing it by running pip install pybluez. The package was located and downloaded, but it raised an error when running python setup.py egg_info.
I then tried to download pyBluez from this link https://pypi.python.org/pypi/PyBluez
But, it said that the Python version installed on my PC is not 2.7 ( I have 2.7.10; do I need 2.7.0 for this?) Also, this download link is for a 32-bit system, and that might be the reason it does not run on mine.
So I ask:
1. How do I fix this error?
Error in the output when I try to install pybluez using pip:
2.Does download using https://pypi.python.org/pypi/PyBluez need python 2.7.0, and a 32-bit system? If so, can someone suggest a better way for a 64-bit system?
3.Any other bluetooth module that could work as a substitute?
I have successfully built pybluez for win10x64 with python3.6
Download and install windows 10 build tools: https://www.visualstudio.com/pl/thank-you-downloading-visual-studio/?sku=BuildTools&rel=15
Run 'Developer Command Prompt for VS' as administrator
Clone pybluez repo https://github.com/karulis/pybluez
cd to directory with repo
run python setup.py install
Happy bluetoothing
This is an "expanded solution" which supplements the other answers posted.
Bluetooth is readily supported on Linux in basically any context. Python 3 built-in socket objects work over bluetooth even. But for Windows, there are hoops to jump through. The standard solution for this is to use PyBluez. If you're really lucky, you might be able to install with just pip install PyBluez-win10. If that fails, however, the way to go is an installation via a pre-compiled "wheel".
A given wheel only works for your specific context, however, i.e. exact Python version. So, for the sake of future proofing, if you are going to need PyBluez, you should know how create a wheel from the source for yourself. It's a long, annoying process if you don't have the all the software required already and are not familiar with some parts of the process e.g. using Anaconda. So, if you are working in a team, I suggest having one person burn their time on this and then share the wheel with everyone (who are hopefully on the same version of Python!).
The following is a paraphrased version of what is posted here: https://github.com/pybluez/pybluez/issues/180 which includes the actual developer's comments and methodology.
Download and run the "Visual Studio Build Tools" installer:
For an official list of exact compilers and links to match against target Python versions, refer to: https://wiki.python.org/moin/WindowsCompilers
Here's the 2019 Build Tools link, which works with Py3.7:
https://visualstudio.microsoft.com/downloads/#build-tools-for-visual-studio-2019
During the install you MUST select BOTH "Visual C++ build tools" AND "Universal Windows Platform build tools". Leave the default options alone within those (e.g. including the Windows 10 SDK).
Note: this requires 15GB of disk space, and some patience!
Install "Miniconda":
https://docs.conda.io/en/latest/miniconda.html
Select the one which matches the bit set (32 vs 64) of the destination Python version
you wish to install PyBluez into.
Clone the PyBluez source repo to a temp location (e.g. your desktop). Then, launch the terminal and change into that directory:
git clone https://github.com/pybluez/pybluez
cd pybluez
If you did NOT put conda on the system path (as the installer recommends NOT doing so), you can add it for this local CMD session per this example command:
set CONDA_DIR=%USERPROFILE%\Miniconda3
set PATH=%CONDA_DIR%\condabin;%PATH%
Create a dedicated environment to build pybluez with the desired Python version. Then, launch that. The example below uses Python 3.7 but the same steps will also work for other versions (including Py 2.x etc)
conda create -y -n pybluez python==3.7
activate pybluez
Build a wheel file. Then, leave the dedicated environment.
python setup.py install
python setup.py bdist_wheel
deactivate
Copy the wheel to your desktop. From there, you can do with it as you wish. Then, delete the pybluez conda environment and the source repo, (as you no longer need either of them).
copy .\dist\*.whl "%USERPROFILE%\Desktop"
cd..
rd /s /q "%CONDA_DIR%\envs\pybluez"
rd /s /q pybluez
Finally, you can install the wheel to a target Python instance and/or store/share it:
The name of these files and the path will vary, so define those first for your use case
set PYBLUEZ_WHEEL=%USERPROFILE%\Desktop\PyBluez-0.22-cp37-cp37m-win_amd64.whl
set PYTHON_PATH=python
Install the wheel:
%PYTHON_PATH% -m pip install "%PYBLUEZ_WHEEL%"
Confirm installation:
%PYTHON_PATH% -c "import bluetooth; print(bluetooth.__version__)"
I downloaded a Python 3.6 wheel from here (wheels for python 2.7, 3.5, 3.6, 3.7 available too).
I installed it in my virtual environment via
pip install PyBluez-0.22-cp36-cp36m-win_amd64.whl
One command solution.
pip install git+https://github.com/pybluez/pybluez.git#egg=pybluez

Failed building wheel for atari-py

I'm trying:
pip install atari-py
on Python 3.5 and I am getting:
failed building wheel for atari-py
I'm using conda on Mac OS to build a python3.6 environment and I meet the same
failed building wheel for atari-py
Then I tried to find atari-py on here:
https://github.com/openai/atari-py
On this page it says:
Make sure you have cmake installed. On OSX, you probably want
brew install cmake.
Then after I install cmake and rebuild environment on my mac, there is no such fail anymore and the environment built success. Hope this will give you some hints!
Regarding " Populate wheelhouse with wheels you need " section in the
link: How to get into and adjust pip.conf ? How to activate virtualenv
?
Per-user:
On Unix the default configuration file is: $HOME/.config/pip/pip.conf
which respects the XDG_CONFIG_HOME environment variable.
On macOS the configuration file is $HOME/Library/Application Support/pip/pip.conf.
On Windows the configuration file is %APPDATA%\pip\pip.ini.
Inside a virtualenv:
On Unix and macOS the file is `$VIRTUAL_ENV/pip.conf`
On Windows the file is: `%VIRTUAL_ENV%\pip.ini`
To edit it you could use your favorite text editor. You could find more info in: https://pip.pypa.io/en/stable/user_guide/?highlight=pip.conf
Here another answer that could help you guiding (there is a complete faq to install some packages): Build wheel for a package (like scipy) lacking dependency declaration
And to understand & work with virtualenv, you should read: https://virtualenv.pypa.io/en/stable/
Hope this helps! Good luck!

Plone Unified Installer missing Python

I'm trying to install plone 4.3.4 on a SLES 11 SP3 64bit server via the Unified Installer. I've fullfilled all the dependencies listed in the readme.txt, but when I try to get the installer running with the command sudo ./install.sh --password=******* standalone I get the error message: which: no python2.7 in (/usr/bin:/bin:/usr/sbin:/sbin) Unable to find python2.7 on system exec path.
I find that rather strange as in the description of the unified installer it is said "The new Zope/Plone install will use its own copy of Python, and the Python installed by the Unified Installer will not replace your system's copy of Python. You may optionally use your system (or some other) Python, and the Unified Installer will use it without modifying it or your site libraries." on the Plone-Website.
So - what am I doing wrong???
I've just tried adding the parameter --build-python but had to find out that the libxml2-devel and libxslt-devel libraries that are available for SLES-11-SP-3 are sadly not up-to-date enough 2.7.6 instead of 2.7.8 and 1.1.24 instead of 1.1.26 respectively. So no joy there either. :-(
Is there any way to install the current version of plone on SLES 11 SP3 64bit?
Kate
The installer command:
./install.sh standalone --build-python --static-lxml=yes
worked perfectly for me. The installer downloaded and built the Python and libxml2/libxslt components necessary to remedy the terribly out-of-date (and vulnerable) versions included with sles11sp3.
System packages needed for the build were:
gcc-c++
make
readline-devel
libjpeg-devel
zlib-devel
patch
libopenssl-devel
libexpat-devel
man
All installed via zypper.
I'd advise not using sudo for the install. If you want to, you'll need to create the plone_daemon and plone_buildout users and the plone_group group in advance due to oddities in SUSE's adduser implementation.

How to create a standalone exe using python 3.4

I have created an exe file using cx_freeze (python 3.4).
Along with the exe there is a library.zip,python34.dll and some .pyd file with it.How can i create a standalone exe so that it can be run on other systems where python is not installed.
A single exe file is all i want.Can this be achieved...??
This question was asked previously as well but i didnt find any suitable solutions in it.Help please.
Thanks
At first .pyd files are python native extensions written in either C or C++ for windows target platform. Next in order to get exe built you will going to need to have pyinstaller package installed (http://www.pyinstaller.org/). You can install it using either "pip install pyinstaller", "easy_install pyinstaller" or just specify it as a dependency within REQUIREMENTS.TXT or SETUP.PY of yours. But this package depends on pywin32 package which can only be installed either manually or with easy_install. It doen't support pip because the only bundle that is available is - exe file format. easy_install handles it though.

Resources