[issue35190] collections.abc.Sequence cannot be used to test whether a class provides a particular interface (doc issue)

[Josh Rosenberg]

Josh Rosenberg  added the comment:

Wait, why should #25737 be closed? This bug is a docs issue; collections.abc 
shouldn't claim that all the ABCs do duck-typing checks since Sequence doesn't. 
But #25737 is specific: array.array *should* be registered as a Sequence, but 
isn't; that requires a code fix (to make array perform the registration), not a 
doc fix.

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nosy: +josh.r

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[issue35190] collections.abc.Sequence cannot be used to test whether a class provides a particular interface (doc issue)

[Cheryl Sabella]

Cheryl Sabella  added the comment:

The previous comment is a self-reference.  I believe the intention was to mark 
this as a duplicate of #17561.

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nosy: +cheryl.sabella

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[issue35190] collections.abc.Sequence cannot be used to test whether a class provides a particular interface (doc issue)

[Cheryl Sabella]

Change by Cheryl Sabella :


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Removed message: https://bugs.python.org/msg335533

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[issue35190] collections.abc.Sequence cannot be used to test whether a class provides a particular interface (doc issue)

[Ivan Levkivskyi]

Ivan Levkivskyi  added the comment:

I would propose to keep this one open as a superseding 
https://bugs.python.org/issue23864 and close the latter (assuming we are not 
going to make all classes protocols, we I think we really shouldn't, and 
instead we should improve the docs).

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[issue35190] collections.abc.Sequence cannot be used to test whether a class provides a particular interface (doc issue)

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

This looks like a duplicate of issue23864 and issue25737.

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[issue35190] collections.abc.Sequence cannot be used to test whether a class provides a particular interface (doc issue)

[STINNER Victor]

Change by STINNER Victor :


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title: collections.abc.Sequence cannot be used to test whether a class provides 
a particular interface -> collections.abc.Sequence cannot be used to test 
whether a class provides a particular interface (doc issue)

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