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NREL / h5plexos

Convert PLEXOS solutions to HDF5 and query results from Python
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OsError from h5py when loading in a solution database #12

Closed mattirish closed 2 years ago

mattirish commented 2 years ago

I am using h5py 2.9.0. With some PLEXOS solutions, but not others (even when they were created from the same set of HPC PLEXOS runs at the same time), when I try to open an h5, I get the following:

>PLEXOSSolution(<string or path object referring to h5plexos HDF5>)

OSError: Unable to read attribute (no appropriate function for conversion path)

This may be related to https://github.com/h5py/h5py/issues/719. Finding out more!

GordStephen commented 2 years ago

@MartySchwarz had this issue recently - IIRC the best solution was just to upgrade to h5py 2.10. We tried getting H5PLEXOS.jl to use an older HDF5 library when writing the file, but that didn't seem to help.

mattirish commented 2 years ago

Thank you both! I updated to >2.10 and that fixed it.