It contains main event loop inside which events generated by window elements and other sources are processed and dispatched. QApplication class manages the main settings and control flow of a GUI application. Additionally, QPaintDevice class is the base class for all objects that can be painted. The QObject class is at the top of class hierarchy. Following are some of the frequently used modules − Sr.No.Ĭore non-GUI classes used by other modulesĬlasses for low-level multimedia programmingĬlasses for database integration using SQLĬlasses for displaying the contents of SVG files These classes are defined in more than 20 modules. PyQt API is a large collection of classes and methods.
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The above code produces the following output − PyQt - Major Classes Set the caption of label as “hello world”.ĭefine the size and position of window by setGeometry() method.Įnter the mainloop of application by app.exec_() method. Use Homebrew installer as per the following command −Ĭreating a simple GUI application using PyQt involves the following steps −Ī QWidget object creates top level window. PyQtX project ( ) hosts binaries of PyQt for Mac.
You can also build from the source code available on the ‘download’ page.
#Riverbank pyqt4 download install
PyQt5 Windows Binaries PyQt5-5.5-gpl-P圓.4-Qt5.5.0-圆4.exeįor Ubuntu or any other debian Linux distribution, use the following command to install PyQt −
While PyQt4 is available for Python 2 as well as Python 3, PyQt5 can be used along with Python 3.* only. Note that there are two versions of PyQt that are available namely, PyQt 4.8 and PyQt 5.5. You can download and install an appropriate installer from the above download link corresponding to Python version (2.7 or 3.4) and hardware architecture (32 bit or 64 bit). It is dual licensed, available under GPL as well as commercial license. PyQt is compatible with all the popular operating systems including Windows, Linux, and Mac OS. In addition, there are modules for working with XML (QtXml), SVG (QtSvg), and SQL (QtSql), etc. While QtCore module contains non-GUI functionality for working with file and directory etc., QtGui module contains all the graphical controls. PyQt API is a set of modules containing a large number of classes and functions. The latest version of PyQt can be downloaded from its official website − PyQt was developed by RiverBank Computing Ltd. It is a Python interface for Qt, one of the most powerful, and popular cross-platform GUI library.