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gh-125682: Python implementation of json.loads() accepts non-ascii digits #125687

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Merged
merged 6 commits into from
Oct 18, 2024
Merged

gh-125682: Python implementation of json.loads() accepts non-ascii digits #125687

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940c020
Reject unicode digits for Python implementation of json.loads()
nineteendo Oct 18, 2024
d9da606
Add tests
nineteendo Oct 18, 2024
e14ea84
📜🤖 Added by blurb_it.
blurb-it[bot] Oct 18, 2024
10923b2
Apply suggestions from code review
nineteendo Oct 18, 2024
905ab94
Link to github issue
nineteendo Oct 18, 2024
9b50c09
Update Misc/NEWS.d/next/Library/2024-10-18-09-51-29.gh-issue-125682.v…
nineteendo Oct 18, 2024
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2 changes: 1 addition & 1 deletion Lib/json/scanner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
__all__ = ['make_scanner']

NUMBER_RE = re.compile(
r'(-?(?:0|[1-9]\d*))(\.\d+)?([eE][-+]?\d+)?',
r'(-?(?:0|[1-9][0-9]*))(\.[0-9]+)?([eE][-+]?[0-9]+)?',
(re.VERBOSE | re.MULTILINE | re.DOTALL))

def py_make_scanner(context):
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5 changes: 5 additions & 0 deletions Lib/test/test_json/test_decode.py
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Expand Up @@ -16,6 +16,11 @@ def test_float(self):
self.assertIsInstance(rval, float)
self.assertEqual(rval, 1.0)

def test_unicode_digits(self):
for num in ["1\uff10", "0.\uff10", "0e\uff10"]:
with self.assertRaises(self.JSONDecodeError):
self.loads(num)

def test_bytes(self):
self.assertEqual(self.loads(b"1"), 1)

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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2024-10-18-09-51-29.gh-issue-125682.vsj4cU.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Reject unicode digits for Python implementation of :func:`json.loads`.
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