8000 gh-75223: Reject undotted extensions in mimetypes.add_type by OddBloke · Pull Request #2895 · python/cpython · GitHub
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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
8000 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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Improve wording: avoid triple negative
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@hugovk
hugovk committed Nov 16, 2024
commit 50179cf3c0a3c523cb8fe958494e22f98fbb37da
5 changes: 2 additions & 3 deletions Lib/mimetypes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,9 +95,8 @@ def add_type(self, type, ext, strict=True):
list of standard types, else to the list of non-standard
types.

Non-empty extensions that don't start with a '.' are not
valid, so a ValueError will be raised if they are
specified.
Valid extensions are empty or start with a '.'.
Raise a ValueError for invalid extensions.
"""
if ext and not ext.startswith('.'):
raise ValueError("Extensions should start with a '.' or be empty")
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