ImportError: libblosc2.so.2: cannot open shared object file: No such file or directory

[anmyachev]

import pytables works when c-blosc2==2.14.1, but not when c-blosc2==2.14.4 (both installed from conda-forge)

Traceback:

        try:
>           module = importlib.import_module(name)

/usr/share/miniconda3/envs/modin/lib/python3.9/site-packages/pandas/compat/_optional.py:135: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
/usr/share/miniconda3/envs/modin/lib/python3.9/importlib/__init__.py:127: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """PyTables, hierarchical datasets in Python.
    
    :URL: http://www.pytables.org/
    
    PyTables is a package for managing hierarchical datasets and designed
    to efficiently cope with extremely large amounts of data.
    
    """
    import os
    from ctypes import cdll
    from ctypes.util import find_library
    import platform
    
    
    # Load the blosc2 library, and if not found in standard locations,
    # try this directory (it should be automatically copied in setup.py).
    current_dir = os.path.dirname(__file__)
    platform_system = platform.system()
    blosc2_lib_hardcoded = "libblosc2"
    if platform_system == "Linux":
        blosc2_lib_hardcoded += ".so"
    elif platform_system == "Darwin":
        blosc2_lib_hardcoded += ".dylib"
    else:
        blosc2_lib_hardcoded += ".dll"
    blosc2_found = False
    blosc2_search_paths = [blosc2_lib_hardcoded,
                           os.path.join(current_dir, blosc2_lib_hardcoded),
                           find_library("blosc2")]
    for blosc2_lib in blosc2_search_paths:
        if blosc2_lib:
            try:
                cdll.LoadLibrary(blosc2_lib)
            except OSError:
                pass
            else:
                blosc2_found = True
                break
    if not blosc2_found:
        raise RuntimeError("Blosc2 library not found. "
                           f"I looked for \"{', '.join(blosc2_search_paths)}\"")
    
    # Necessary imports to get versions stored on the cython extension
>   from .utilsextension import get_hdf5_version as _get_hdf5_version
E   ImportError: libblosc2.so.2: cannot open shared object file: No such file or directory

[FrancescAlted]

This is an issue with the conda-forge packaging, and is being addressed here: conda-forge/c-blosc2-feedstock#62 . Closing.