comparison mercurial/localrepo.py @ 37669:1cb54e6193a6

py3: paper over differences in future exception handling

It looks like Python 3's futures library lacks set_exception_info
entirely. We'll just give up and use set_exception in that case.

# no-check-commit because the underbar naming is just saner here

Differential Revision: https://phab.mercurial-scm.org/D3336

37668:2a42ca2679e2

        f = pycompat.futures.Future()

        try:
            result = fn(**args)
        except Exception:
            f.set_exception_info(*sys.exc_info()[1:])
        else:
            f.set_result(result)

        return f

37669:1cb54e6193a6

        f = pycompat.futures.Future()

        try:
            result = fn(**args)
        except Exception:
            pycompat.future_set_exception_info(f, sys.exc_info()[1:])
        else:
            f.set_result(result)

        return f