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gh-75223: Reject undotted extensions in mimetypes.add_type #2895

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gh-75223: Reject undotted extensions in mimetypes.add_type #2895

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2e6a0e5
Add a test for mimetypes.add_type
OddBloke Jul 26, 2017
1485be9
bpo-31040: Reject undotted extensions in mimetypes.add_type
OddBloke Jul 26, 2017
f0c1bf7
Address the review
arhadthedev Apr 15, 2023
0d9bec2
Merge branch 'main' into fix-for-31040
arhadthedev Apr 15, 2023
2f23267
Merge branch 'main' into fix-for-31040
hugovk Nov 6, 2024
ef5cf14
Assert output first, expected result second; link to method in news
hugovk Nov 16, 2024
bac8d5d
Assert adding MIME type with empty extension emits no warning
hugovk Nov 16, 2024
e177398
Assert exception message when adding MIME type with undotted extension
hugovk Nov 16, 2024
094f69b
Remove unused import
hugovk Nov 16, 2024
cbc5421
Fix Sphinx reference; replace bpo with gh-issue
hugovk Nov 16, 2024
41d4e89
Replace with more useful test case
hugovk Nov 16, 2024
50179cf
Improve wording: avoid triple negative
hugovk Nov 16, 2024
352811b
Fix news filename
hugovk Nov 16, 2024
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Add a test for mimetypes.add_type
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@OddBloke
OddBloke committed Sep 10, 2019
commit 2e6a0e5714cc6893ef427f6e9001b4174d607a8c
7 changes: 7 additions & 0 deletions Lib/test/test_mimetypes.py
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Expand Up @@ -161,6 +161,13 @@ def test_keywords_args_api(self):
self.assertEqual(self.db.guess_extension(
type='image/jpg', strict=False), '.jpg')

def test_added_types_are_used(self):
mime_type, _ = mimetypes.guess_type('test.myext')
self.assertEqual(None, mime_type)
mimetypes.add_type('testing/type', '.myext')
mime_type, _ = mimetypes.guess_type('test.myext')
self.assertEqual('testing/type', mime_type)
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@unittest.skipUnless(sys.platform.startswith("win"), "Windows only")
class Win32MimeTypesTestCase(unittest.TestCase):
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