Lock RDF cache files during writing process - #26
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moritzmolch
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January 22, 2026 10:20
a-monsch
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Feb 3, 2026
| def decorator(function: Callable) -> Callable: | ||
| @functools.wraps(function) | ||
| def wrapper(*args: Any, **kwargs: Any) -> ROOT.RDataFrame: | ||
| lock = kwargs;get("lock") |
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Parallel write and read accesses to RDF cache files let the program fail. To harden the excecution of the script, a lock is added when writing and when loading such an RDataFrame, so that a RDF cache file is only accessed when the writing process has finished.