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| author | Raymond Hettinger <rhettinger@users.noreply.github.com> | 2020-04-19 07:36:42 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-04-19 07:36:42 (GMT) |
| commit | 4fe002045fcf40823154b709fef0948b2bc5e934 (patch) | |
| tree | ea9d2c899b682f91fd21f50c13bfae8903f58f11 /Lib/random.py | |
| parent | 482259d0dcf27714a84cf56b93977320bea7e093 (diff) | |
| download | cpython-4fe002045fcf40823154b709fef0948b2bc5e934.zip cpython-4fe002045fcf40823154b709fef0948b2bc5e934.tar.gz cpython-4fe002045fcf40823154b709fef0948b2bc5e934.tar.bz2 | |
bpo-40325: Deprecate set object support in random.sample() (GH-19591)
Diffstat (limited to 'Lib/random.py')
| -rw-r--r-- | Lib/random.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Lib/random.py b/Lib/random.py index 3243938..f1df18d 100644 --- a/Lib/random.py +++ b/Lib/random.py @@ -367,9 +367,12 @@ class Random(_random.Random): # causing them to eat more entropy than necessary. if isinstance(population, _Set): + _warn('Sampling from a set deprecated\n' + 'since Python 3.9 and will be removed in a subsequent version.', + DeprecationWarning, 2) population = tuple(population) if not isinstance(population, _Sequence): - raise TypeError("Population must be a sequence or set. For dicts, use list(d).") + raise TypeError("Population must be a sequence. For dicts or sets, use sorted(d).") randbelow = self._randbelow n = len(population) if not 0 <= k <= n: |