__init__.py

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def getMetaData(path):
    """
    Extract job metadata recorded by Gaudi::MetaDataSvc from a file.
    """
    import re
 
    import ROOT
    from ROOT import TFile
 
    version = tuple(int(i, 10) for i in re.split(r"\D", ROOT.__version__))
 
    f = TFile.Open(path)
    if not f:
        raise RuntimeError("cannot open {0}".format(path))
    try:
        if version < (6, 32):
            return dict(f.info)
        else:
            return {k.decode("utf-8"): v.decode("utf-8") for k, v in f["info"]}
    except AttributeError:
        return {}