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psychopy.iohub - ioHub event monitoring framework¶ioHub monitors for device events in parallel with the PsychoPy experiment execution by running in a separate process than the main PsychoPy script. This means, for instance, that keyboard and mouse event timing is not quantized by the rate at which the window.swap() method is called.
ioHub reports device events to the PsychoPy experiment runtime as they occur. Optionally, events can be saved to a HDF5 file.
All iohub events are timestamped using the PsychoPy global time base (psychopy.core.getTime()). Events can be accessed as a device independent event stream, or from a specific device of interest.
A comprehensive set of examples that each use at least one of the iohub devices is available in the psychopy/demos/coder/iohub folder.
Note
This documentation is in very early stages of being written. Many sections regarding device usage details are simply placeholders. For information on devices or functionality that has not yet been migrated to the psychopy documentation, please visit the somewhat outdated original ioHub doc’s.