How to Resolve ModuleNotFoundError for 'hid' When Upgrading Python 2 Scripts to Python 3

Summary: Discover effective methods to resolve the `ModuleNotFoundError` for the 'hid' module when transitioning your scripts from Python 2 to Python 3.
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How to Resolve ModuleNotFoundError for 'hid' When Upgrading Python 2 Scripts to Python 3

When you're upgrading scripts from Python 2 to Python 3, one of the most frequent issues you may encounter is the ModuleNotFoundError. A common case involves the hid module, where the error reads, "No module named 'hid'". If you’re facing this issue, don't worry—this post will guide you through resolving it.

Understanding the Issue

ModuleNotFoundError typically indicates that Python can't find a module you're trying to import. This can happen when modules available in Python 2 are not found or are renamed for Python 3. The hid module is one such example where this discrepancy occurs.

Step-by-Step Solution

Step 1: Confirm Installation of hidapi

In Python 3, the hid functionalities are often handled by the hidapi library. First, make sure you have hidapi installed. You can check this by running:

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If hidapi is not installed, you can install it using:

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Step 2: Modify Imports in Your Script

Python 3 might have different import paths. You may need to modify your script to use the correct package. Replace:

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With:

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or

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depending on what functions or objects you need.

Step 3: Verify Python Version

Make sure that you are running your script with Python 3, which you can ensure by using:

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If you use a virtual environment, ensure it's configured to use Python 3. You can create a virtual environment using:

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Step 4: Testing

After ensuring all the correct imports and dependencies, run your script again:

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If everything is set up correctly, the ModuleNotFoundError for 'hid' should no longer appear.

Conclusion

Transitioning scripts from Python 2 to Python 3 can introduce several hurdles, but errors like ModuleNotFoundError for the 'hid' module can be swiftly resolved by installing the correct package (hidapi) and modifying your imports. By following the steps outlined above, you should be able to overcome this common issue and continue with your upgrade process without hindrance.

Remember, version control and proper testing are key to ensuring a smooth transition!