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Editorial Team
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Asked: 2026-06-01T17:06:04+00:00

I’m trying to install PyTables 2.3.1 on Windows XP with Python 2.5. I’m getting

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I’m trying to install PyTables 2.3.1 on Windows XP with Python 2.5. I’m getting the following error:

Could not find a local HDF5 installation.
You may need to explicitly state where your local HDF5 
headers and library can be found by setting the HDF5_DIR 
environment variable or by using the --hdf5 command-line option.

I’m a bit confused by the installation of the HDF5 library. I downloaded the Windows binary called HDF5188-win32-shared.zip from the HDF5 site and ran the .exe file in the zip archive. I now have what looks like an installation of the HDF5 library in this folder:

C:\Program Files\HDF Group\HDF5\1.8.8

I’ve tried creating an environment variable called HDF5_DIR pointing to this folder, but still no joy. I’m obviously not installing the right bit of the HDF5 library, but I don’t know what I should be doing instead.

Does anyone have any suggestions, please?

Thanks!

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1 Answer

  1. Editorial Team

    from the docs you can try:
    Put the DLL libraries (hdf5dll.dll and, optionally, lzo1.dll and bzip2.dll)

    in a directory listed in your PATH environment variable

    . The setup.py installation program will print out a warning to that effect if the libraries can not be found.

    locate

    hdf5dll.dll

    and make sure dir containig it is in the PATH var or you can try –hdf5=path/to/ command

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