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Info

NI Modular Instrument driver APIs for Python.

Author

NI

About

The niswitch module provides a Python API for NI-SWITCH. The code is maintained in the Open Source repository for nimi-python.

Support Policy

niswitch supports all the Operating Systems supported by NI-SWITCH.

It follows Python Software Foundation support policy for different versions of CPython.

NI created and supports niswitch.

NI-SWITCH Python API Status

NI-SWITCH (niswitch)

Driver Version Tested Against

2026 Q3

PyPI Version

Latest NI-SWITCH Version

Supported Python Version

NI-SWITCH supported Python versions

Documentation

NI-SWITCH Python API Documentation Status

Open Issues

Open Issues + Pull Requests for NI-SWITCH

Open Pull Requests

Pull Requests for NI-SWITCH

Installation

As a prerequisite to using the niswitch module, you must install the NI-SWITCH runtime on your system. Visit ni.com/downloads to download the driver runtime for your devices.

The nimi-python modules (i.e. for NI-SWITCH) can be installed with pip:

$ python -m pip install niswitch~=1.5.0

Contributing

We welcome contributions! You can clone the project repository, build it, and install it by following these instructions.

Usage

The following is a basic example of using the niswitch module to open a session to a Switch and connect channels.

import niswitch
with niswitch.Session("Dev1") as session:
    session.connect(channel1='r0', channel2='c0')

Other usage examples can be found on GitHub.

Support / Feedback

For support specific to the Python API, follow the processs in Bugs / Feature Requests. For support with hardware, the driver runtime or any other questions not specific to the Python API, please visit NI Community Forums.

Bugs / Feature Requests

To report a bug or submit a feature request specific to Python API, please use the GitHub issues page.

Fill in the issue template as completely as possible and we will respond as soon as we can.

Documentation

Documentation is available here.

License

nimi-python is licensed under an MIT-style license (see LICENSE). Other incorporated projects may be licensed under different licenses. All licenses allow for non-commercial and commercial use.

gRPC Features

For driver APIs that support it, passing a GrpcSessionOptions instance as a parameter to Session.__init__() is subject to the NI General Purpose EULA (see NILICENSE).

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