https://github.com/python/cpython/commit/6dab90a403d755b1d91b4b2417511c02dcfaeff9
commit: 6dab90a403d755b1d91b4b2417511c02dcfaeff9
branch: 3.12
author: Bénédikt Tran <10796600+picn...@users.noreply.github.com>
committer: picnixz <10796600+picn...@users.noreply.github.com>
date: 2025-04-05T11:40:48+02:00
summary:
[3.12] gh-131015: Add test for bytes formatting errors (#131881) (#132114)
* gh-131015: Add test for bytes formatting errors (#131881)
Co-authored-by: Ageev Maxim <maksim170...@gmail.com>
(cherry picked from commit 05557788f3c284ede73e6f94810ec796bb9d3721)
files:
M Lib/test/test_bytes.py
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index a3804a945f2e3a..b27d43695eef77 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -10,6 +10,7 @@
import sys
import copy
import functools
+import operator
import pickle
import tempfile
import textwrap
@@ -737,6 +738,37 @@ def check(fmt, vals, result):
check(b'%i%b %*.*b', (10, b'3', 5, 3, b'abc',), b'103 abc')
check(b'%c', b'a', b'a')
+ class PseudoFloat:
+ def __init__(self, value):
+ self.value = float(value)
+ def __int__(self):
+ return int(self.value)
+
+ pi = PseudoFloat(3.1415)
+
+ exceptions_params = [
+ ('%x format: an integer is required, not float', b'%x', 3.14),
+ ('%X format: an integer is required, not float', b'%X', 2.11),
+ ('%o format: an integer is required, not float', b'%o', 1.79),
+ ('%x format: an integer is required, not PseudoFloat', b'%x', pi),
+ ('%x format: an integer is required, not complex', b'%x', 3j),
+ ('%X format: an integer is required, not complex', b'%X', 2j),
+ ('%o format: an integer is required, not complex', b'%o', 1j),
+ ('%u format: a real number is required, not complex', b'%u', 3j),
+ # See https://github.com/python/cpython/issues/130928 as for why
+ # the exception message contains '%d' instead of '%i'.
+ ('%d format: a real number is required, not complex', b'%i', 2j),
+ ('%d format: a real number is required, not complex', b'%d', 2j),
+ (
+ r'%c requires an integer in range\(256\) or a single byte',
+ b'%c', pi
+ ),
+ ]
+
+ for msg, format_bytes, value in exceptions_params:
+ with self.assertRaisesRegex(TypeError, msg):
+ operator.mod(format_bytes, value)
+
def test_imod(self):
b = self.type2test(b'hello, %b!')
orig = b
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