Run Python applications

You can execute Qt for Python applications directly from Qt Creator. If you use the new project wizard to create the application project, the main.py file is automatically executed when you select the Run button.

Specify Python run settings

To specify settings for running applications on the Run device that you select for a kit, go to Projects > Run Settings.

Python run settings

The following table summarizes the settings for running Qt for Python applications.

SettingValue
PythonPath to the Python executable.
Buffered outputStores the output in a buffer. This improves output performance, but causes delays in output.
ScriptShows the path to the main file of the project that will be run.
Command line argumentsCommand-line arguments to pass to the executable.

Specify custom executable run configuration

To run some other Python file than main.py, create a custom executable run configuration:

Python custom executable run settings

  1. Select Add > Custom Executable.
  2. In the Executable field, specify the path to the Python executable.
  3. In the Command line arguments field, select the Python file to run.

See also Activate kits for a project, Configure projects for running, Create Qt for Python applications, and Develop Qt for Python applications.