Navigating the PyQGIS API
The QGIS Python API, also known as PyQGIS, allows you to control virtually every aspect of QGIS. The ability to find the PyQGIS object you need in order to access a particular feature of QGIS is critical to automation.
Getting ready
The PyQGIS API is based on the QGIS C++ API. The C++ API is kept up to date online and is well documented.
Note
The QGIS API's web page is located at https://qgis.org/api/modules.html.
The PyQGIS API documentation is not updated frequently because it is nearly identical to the structure of the C++ API. A tool named SWIG, which creates wrappers for multiple languages for C++ libraries, is used to create the PyQGIS API, making the documentation for the C++ API highly applicable for argument types ...
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