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About james_grieve

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  • Name
    James Grieve
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    Palo Alto
  1. Just following up here with the solution to this issue. The problem is that the current version of Houdini (16.5) is built on Windows using Visual Studio 2015. The Houdini python build is also built using VS 2015. The problem arose as the default python 2.7.5 on Windows is built using VS 2008, so any precompiled binary modules, or modules built locally with the system Python 2.7.5, will be built using VS 2008. This then leads to incompatibilities which manifest in a generic DLL not found error. The solution is to build the module locally using Houdini's python install. You will need to have VS 2015 installed, and then it simply a matter of executing setup.py on the module to be built while running in Houdini's python environment. After that everything should work correctly. If it is doing the right thing, you will see references to "Microsoft Visual Studio 14.0" in the build messages that indicate the correct compiler version is being used. Hopefully this is helpful to others as it was very non-obvious to me at the time.
  2. Sorry for digging up an old post, but did you ever find a resolution to your issue here? I am seeing a similar problem with Houdini 16.5 being unable to load a compiled python package on Windows. I have verified that the package works with the system python installation, however when importing into Houdini it does not work. Using WinDBG I have tracked this issue to a problem loading the MSVCR90.dll runtime library - this resolves correctly on the system python install but not within Houdini. Any thoughts?