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gh-93678: Address stack exhaustion on WASI (GH-95296)
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@ -108,6 +108,7 @@ def __getitem__(self, key):
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exec('z = a', g, d)
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self.assertEqual(d['z'], 12)
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@unittest.skipIf(support.is_wasi, "exhausts limited stack on WASI")
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def test_extended_arg(self):
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# default: 1000 * 2.5 = 2500 repetitions
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repeat = int(sys.getrecursionlimit() * 2.5)
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@ -542,6 +543,7 @@ def test_yet_more_evil_still_undecodable(self):
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self.assertIn(b"Non-UTF-8", res.err)
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@support.cpython_only
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@unittest.skipIf(support.is_wasi, "exhausts limited stack on WASI")
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def test_compiler_recursion_limit(self):
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# Expected limit is sys.getrecursionlimit() * the scaling factor
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# in symtable.c (currently 3)
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@ -1,6 +1,7 @@
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# Test the most dynamic corner cases of Python's runtime semantics.
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import builtins
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import sys
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import unittest
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from test.support import swap_item, swap_attr
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@ -139,12 +140,14 @@ class MyGlobals(dict):
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def __missing__(self, key):
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return int(key.removeprefix("_number_"))
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code = "lambda: " + "+".join(f"_number_{i}" for i in range(1000))
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sum_1000 = eval(code, MyGlobals())
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expected = sum(range(1000))
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# 1,000 on most systems
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limit = sys.getrecursionlimit()
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code = "lambda: " + "+".join(f"_number_{i}" for i in range(limit))
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sum_func = eval(code, MyGlobals())
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expected = sum(range(limit))
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# Warm up the the function for quickening (PEP 659)
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for _ in range(30):
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self.assertEqual(sum_1000(), expected)
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self.assertEqual(sum_func(), expected)
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if __name__ == "__main__":
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unittest.main()
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