From: =?utf-8?q?Timo_R=C3=B6hling?= Date: Sat, 18 Oct 2025 10:52:50 +0200 Subject: Make random numbers in documentation reproducible Forwarded: https://github.com/numpy/numpy/pull/30023 --- doc/source/conf.py | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/doc/source/conf.py b/doc/source/conf.py index 6d9ecd5..5634e60 100644 --- a/doc/source/conf.py +++ b/doc/source/conf.py @@ -628,3 +628,18 @@ try_examples_global_warning_text = ( " report them on the" " [NumPy issue tracker](https://github.com/numpy/numpy/issues)." ) + + +# ----------------------------------------------------------------------------- +# Reproducible builds +# ----------------------------------------------------------------------------- + +# Seed the random number generators with a fixed value to make build results +# reproducible. The actual seed does not matter as long as it is deterministic. + +# Seed legacy RNG +numpy.random.seed(42) +# Monkeypatch default_rng to return a deterministically seeded instance +numpy.random.default_rng = \ + lambda seed=None, actual_default_rng=numpy.random.default_rng: \ + actual_default_rng(seed if seed is not None else 42)