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OpenStudio .deb releases not working with openstudio/extension/core/os_lib_helper_methods

asked 2025-06-03 08:11:44 -0500

antonszilasi's avatar

updated 2025-06-03 10:06:15 -0500

I have a clean ubuntu machine (22.04), I downloaded the OpenStudio 3.8.0 for Ubuntu from the releases page - OpenStudio-3.8.0+f953b6fcaf-Ubuntu-22.04-x86_64.deb

and extracted it onto the linuix machine using the command

"sudo dpkg -i OpenStudio-3.8.0+c77fbb9569-Ubuntu-24.04-x86_64.deb"

The installation works just fine, however when I attempt to run the code

require 'openstudio/extension/core/os_lib_helper_method'

I get the error LoadError: cannot load such file -- openstudio/extension/core/os_lib_helper_methods,

My understanding is that this should be bundled with OpenStudio should it not?

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answered 2025-06-03 13:33:27 -0500

It was removed in OpenStudio-extension-gem v0.8.0 because some methods were moved to openstudio-standards-gem and some were moved to the native C++ SDK. Here's a related OpenStudio SDK issue.

If you can't find a specific method that was moved, feel free to ask.

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Turns out this error is because the measure I was using was out of date and so this is the correct answer.

antonszilasi's avatar antonszilasi  ( 2025-06-04 10:02:45 -0500 )edit

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Asked: 2025-06-03 08:11:44 -0500

Seen: 131 times

Last updated: Jun 09