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gh-101410: support custom messages for domain errors in the math module #124299

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Merged
vstinner merged 13 commits into from
Jan 23, 2025
Merged

gh-101410: support custom messages for domain errors in the math module #124299

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fb01518
gh-101410: support custom messages for domain errors in the math module
CharlieZhao95 Feb 1, 2023
05b55eb
+1
skirpichev Sep 21, 2024
a917cef
address review:
skirpichev Sep 22, 2024
e8f49b0
address review: tests (few more, reformatting, etc)
skirpichev Sep 22, 2024
0bdbc72
address review: fix typo + cleanup
skirpichev Sep 23, 2024
e9bf987
address review: assertRaises -> assertRaisesRegex
skirpichev Sep 30, 2024
5b2040c
Merge branch 'master' into custom-dom-err-101410
skirpichev Oct 5, 2024
55396f9
Added support for error messages in math_1a(); gamma() as an example
skirpichev Oct 5, 2024
4905f1b
Apply suggestions from code review
skirpichev Oct 5, 2024
96e70f4
Update Modules/mathmodule.c
skirpichev Oct 5, 2024
34b3cad
Merge branch 'master' into custom-dom-err-101410
skirpichev Jan 23, 2025
169815d
address review: tabs in math_1
skirpichev Jan 23, 2025
8d28fd8
address review: improve message in loghelper()
skirpichev Jan 23, 2025
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address review: tests (few more, reformatting, etc)
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@skirpichev
skirpichev committed Sep 22, 2024
commit e8f49b0f6a1cb2831d6d89c8dc7ee78e6857b095
17 changes: 5 additions & 12 deletions Lib/test/test_math.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2505,44 +2505,37 @@ def test_input_exceptions(self):

def test_exception_messages(self):
x = -1.1

with self.assertRaises(ValueError,
msg=f"expected a nonnegative input, got {x}"):
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math.sqrt(x)

with self.assertRaises(ValueError,
msg=f"expected a positive input, got {x}"):
math.log(x)
with self.assertRaises(ValueError,
msg=f"expected a positive input, got {x}"):
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math.log(123, x)
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with self.assertRaises(ValueError,
msg=f"expected a positive input, got {x}"):
math.log(x, 123)
with self.assertRaises(ValueError,
msg=f"expected a positive input, got {x}"):
math.log2(x)
with self.assertRaises(ValueError,
msg=f"expected a positive input, got {x}"):
math.log2(x)
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x = decimal.Decimal(x)

x = decimal.Decimal('-1.1')
with self.assertRaises(ValueError,
msg=f"expected a positive input, got {x!r}"):
math.log(x)

x = fractions.Fraction(1, 10**400)

with self.assertRaises(ValueError,
msg=f"expected a positive input, got {float(x)!r}"):
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math.log(x)

x = -2**1000

x = -123
with self.assertRaises(ValueError,
msg=f"expected a positive input"):
math.log(x)

x = 1.0

with self.assertRaises(ValueError,
msg=f"expected a number between -1 and 1, got {x}"):
math.atanh(x)
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