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tempfile.SpooledTemporaryFile: inherit from IOBase on 3.11 #7802

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Merged
merged 13 commits into from
May 18, 2022

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JelleZijlstra
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@AlexWaygood AlexWaygood left a comment

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I'd prefer us to use a wordier-but-more-readable alias name, like _SpooledTemporaryFileBase, rather than _STFBase which feels a bit opaque.

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It looks like in typeshed, we've always pretended that SpooledTemporaryFile has readable() and seekable() methods on Python <3.11 (see the comment on line 330), even though they don't at runtime. This is because SpooledTemporaryFile inherits from IO in typeshed, and IO has readable() and seekable() as abstract methods.

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Comment on lines 221 to 222
# It does not actually derive from IO[AnyStr], but it does mostly behave
# like one.
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The comment should probably be moved down above the class itself.

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Done

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According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉

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hm, I expected unused stubtest allowlist entries. I'll look into that in a followup PR.

@JelleZijlstra JelleZijlstra merged commit 8f5a835 into master May 18, 2022
@JelleZijlstra JelleZijlstra deleted the JelleZijlstra-patch-7 branch May 18, 2022 01:41
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5 participants