Is it possible to use ABSL flags in a child process? about abseil-py HOT 3 CLOSED

Within Google the use of multiprocessing is rare as it doesn't work in our environment for a variety of reasons not worth getting into here. But what this does mean is that we haven't designed absl with that in mind.

What it'd take for it to work with multiprocessing using the safe spawn method of child process creation would be a way for such spawned children to get their own copy of the global FLAGS containing the same values.

At a quick glance, you can probably do this without too much effort via FLAGS.append_flags_into_file() on the parent process side and FLAGS.read_flags_from_files('--flagfile=path/to/said/file') + .mark_as_parsed() in the child process before using FLAGS.

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It work like a charm! thank you :)

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How you figure out this problem, Can you post detailed code？ Thanks！

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