PyQt5- | PyQt5 learning case

 by   wukainf Python Version: Current License: No License

kandi X-RAY | PyQt5- Summary

kandi X-RAY | PyQt5- Summary

PyQt5- is a Python library. PyQt5- has no bugs, it has no vulnerabilities and it has low support. However PyQt5- build file is not available. You can download it from GitHub.

PyQt5 learning case

            kandi-support Support

              PyQt5- has a low active ecosystem.
              It has 7 star(s) with 2 fork(s). There are no watchers for this library.
              It had no major release in the last 6 months.
              PyQt5- has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of PyQt5- is current.

            kandi-Quality Quality

              PyQt5- has 0 bugs and 0 code smells.

            kandi-Security Security

              PyQt5- has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              PyQt5- code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              PyQt5- does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              PyQt5- releases are not available. You will need to build from source code and install.
              PyQt5- has no build file. You will be need to create the build yourself to build the component from source.
              It has 813 lines of code, 79 functions and 32 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed PyQt5- and discovered the below as its top functions. This is intended to give you an instant insight into PyQt5- implemented functionality, and help decide if they suit your requirements.
            • Initializes the UI .
            • Start timer .
            • set color
            • change changed value
            • do action
            • Draw the pixmap .
            • Open file dialog
            • Close the dialog box .
            • Changes the title .
            • Initialize the widget .
            Get all kandi verified functions for this library.

            PyQt5- Key Features

            No Key Features are available at this moment for PyQt5-.

            PyQt5- Examples and Code Snippets

            No Code Snippets are available at this moment for PyQt5-.

            Community Discussions


            How do I make a PyQt QLineEdit widget narrower than the default size of 17 x's when using QT Designer?
            Asked 2022-Mar-11 at 12:17

            When I put Qt widgets in a QHBoxLayout layout using QT Designer, there seems to be a minimum width for QLineEdit widgets of 17 x's, at least if this is the current source code:


            I cannot find a way to make PyQt5 lay those widgets out so they will be narrower than this default, but still change size if the font is changed.

            As an example, a QComboBox will be automatically laid out so that it is just wide enough to display the longest text that is entered as a possible value. If the longest text entered for a combobox in Designer is 5 characters, the combobox will be laid out as quite narrow compared to the minimum QLineEdit width. How can I configure a QLineEdit with a number of characters so that it is always wide enough for that many characters, whatever the font is set to, and no wider, using just QT Designer? I know in Designer I can enter maxLength, which will limit the maximum number of characters that can be entered/displayed, but that setting of course has no effect on the layout.

            I have some text boxes that will never have more than 5 characters in them, for example, and the layout with Designer makes them at least 3 times wider than I will ever need. This is using the default "Expanding" horizontal policy, but I have tried many combinations of horizontal policy and values for minimum size or base size. I want to allow for people to have different font sizes, so I cannot safely set a maximum pixel size and I cannot safely set a fixed horizontal size. The handling for QComboBoxes is precisely what I want for QLineEdits.

            This is all in python using the latest versions of PyQt5 available on Pip, pyqt5 5.15.6 and pyqt5-qt5 5.15.2.



            Answered 2022-Mar-11 at 12:17

            The size hint of QLineEdit is computed considering various aspects, most of them using private functions that are not exposed to the API, and the "x" count is hardcoded, meaning that this cannot be achieved directly from Designer, and can only be done through subclassing.

            While we could try to mimic its behavior to implement a custom character size, I believe it is unnecessary for simple cases, so I simplified the concept by taking the default size hint and adapting the width based on the difference between the custom character hint and the default 17 "x" count.



            PyQT5 ui file, does not load properly from the executable file
            Asked 2022-Mar-08 at 19:16

            I am building a PyQt5 application by constructing the interfaces with the designer and the exporting to .ui files. The latter are then loaded by my main class. Here is an example of my source code under the name




            Answered 2022-Mar-08 at 19:16

            Add this somewhere at the top of your program:



            error install PyQt5 on Yocto Linux - board Variscite
            Asked 2022-Mar-01 at 15:02

            I have a problem installing a PyQt5 python package. I am in Yocto Linux environment (Hardknott kernel 5.10.35) on the Variscite board (DART-MX8M-PLUS). This is the log when I try to install with pip:



            Answered 2022-Mar-01 at 15:02

            Do not bother installing packages natively on the board,

            PyQt5 is already supported by Yocto in meta-qt5, link to recipe.

            Just add meta-qt5 to your bblayers.conf and :



            how to create video player in pyqt5 for windows to play mp4 using python code?
            Asked 2022-Jan-29 at 08:19

            I tried to create video player for mp4 in windows 10 os. it is always showing error. i tried multiple method. but always failing

            1. I tried code from this location
              QMediaPlayer error:

            1. I tried python-vlc. it is working only when I already installed vlc player. if i uninstalled vlc player it is not working

            vlc error :



            Answered 2022-Jan-29 at 08:19

            As couldn't able to find direct player. I used cv module and ffpyplayer to integrate with pyqt5. it is temporarily resolved my issue. the code is given below.



            Do I need to downgrade my conda version in order to install a module?
            Asked 2022-Jan-18 at 22:43

            I install new modules via the following command in my miniconda



            Answered 2022-Jan-06 at 20:11

            Consider creating a separate environment, e.g.,



            Understanding the behaviour of QDoubleValidator range
            Asked 2022-Jan-01 at 23:00

            The specification of the options 'top' and 'bottom' seems to have a strange behavior. The following answered question gave some useful insights, but does not cure everything.

            With the code :



            Answered 2022-Jan-01 at 22:59

            In your example, the line-edit does not literally accept the value 99.55656. This can be confirmed by calling its hasAcceptableInput method, which returns False.

            The validator is allowing the value to be entered, because doing so produces a valid Intermediate state. According to the docs, this can happen "if it is likely that a little more editing will make the input acceptable". So in the specific case of 99.55656, deleting a 9 would produce a valid Acceptable state. This would seem to imply that "a little more editing" should be taken to mean adding or removing a single character (where the notation is StandardNotation).



            PyQt5 : close window on right click sends the event to application underneath as well
            Asked 2021-Dec-22 at 05:03

            I have this app where I was trying to close window on right click event, although the event works and my window is closed but the right click is also sent to the app that is present below my python app and therefore a context menu(if present) is opened for that app.

            For eg, if I have windows desktop screen below my python app, the context menu of windows will be opened.

            This is what I have tried



            Answered 2021-Dec-22 at 05:02

            On right click of the mouse 2 of the events that gets fired are OnMousePress and OnMouseRelease. Most of the desktop apps and the dektop screen as well responds to the OnMouseRelease event. And since I am closing the window on mousePressEvent. The window is closed but the release event is sent to the application underneath the window. And hence we are seeing the context menu on the application below our app.

            Closing on mouseReleaseEvent worked for me.



            `QProgressDialog` Not Responding
            Asked 2021-Dec-17 at 00:12

            I am using pyvistaqt and want display a progress bar window when I load data. I have success without using pyvista with PyQt (see this SO post), however it isn't working when I add vtk.

            I think something is still blocking the main thread, but I don't know what. Either the progress bar won't show at all, or if it does, half way through the bar stops loading and stops responding. Any help would be much appreciated:




            Answered 2021-Dec-17 at 00:12

            "(Not Responding)" in Windows is usually the consequence of a deadlock. Historically, a lot of confusion has surfaced over whether to override run() or to use moveToThread() when dealing with QThread:

            1. You're doing it wrong...
            2. You were not doing so wrong
            3. QThread documentation: do not discourage the reimplementation of QThread

            Though both methods are accepted, I chose to use moveToThread() because I learned it was best used when you have threads that need to interact with one another through signals and slots (see QThreads: Are You Using Them Wrong?)

            After careful consideration, I removed the lambda from self.thread.started.connect and replaced it with



            UnsatisfiableError on importing environment pywin32==300 (Requested package -> Available versions)
            Asked 2021-Dec-03 at 14:58

            Good day

            I am getting an error while importing my environment:



            Answered 2021-Dec-03 at 09:22

            Build tags in you environment.yml are quite strict requirements to satisfy and most often not needed. In your case, changing the yml file to



            I have problem installing pyqt5 tools with pip. any solution?
            Asked 2021-Nov-28 at 10:46

            I tried to install pyqt5-tools with pip but this error occurred:



            Answered 2021-Nov-28 at 10:46

            Install Python 3.8 from official python website it's on the bottom of the page:

            Then install the package with Python 3.8 instead of the version you are currently using like this:

            py -3.8 -m pip install pyqt5-tools

            This worked for me, and will hopefully work for you too :)

            Note that you will need to use python 3.8 for running a code :C


            Community Discussions, Code Snippets contain sources that include Stack Exchange Network


            No vulnerabilities reported

            Install PyQt5-

            You can download it from GitHub.
            You can use PyQt5- like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.


            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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