[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Serhiy Storchaka]

Change by Serhiy Storchaka :


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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset cc6d8f88289917d67237a10f7a0e2439fde7a573 by Jacob Walls in branch 
'3.9':
[3.9] bpo-45948: Remove constructor discrepancy in C version of 
ElementTree.XMLParser (GH-31152) (GH-31299)
https://github.com/python/cpython/commit/cc6d8f88289917d67237a10f7a0e2439fde7a573


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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Jacob Walls]

Change by Jacob Walls :


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pull_requests: +29458
pull_request: https://github.com/python/cpython/pull/31299

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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[miss-islington]

miss-islington  added the comment:


New changeset b7a65c939c93e7910abc8c9d4a129ff385714824 by Miss Islington (bot) 
in branch '3.10':
bpo-45948: Remove constructor discrepancy in C version of ElementTree.XMLParser 
(GH-31152)
https://github.com/python/cpython/commit/b7a65c939c93e7910abc8c9d4a129ff385714824


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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset 168fd6453b5de15236116f9261d64601d92571ac by Jacob Walls in branch 
'main':
bpo-45948: Remove constructor discrepancy in C version of ElementTree.XMLParser 
(GH-31152)
https://github.com/python/cpython/commit/168fd6453b5de15236116f9261d64601d92571ac


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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 5.0 -> 6.0
pull_requests: +29451
pull_request: https://github.com/python/cpython/pull/31292

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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

I do not think it is a backwards incompatible change, but concur with the rest 
said by Stefan.

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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Stefan Behnel]

Stefan Behnel  added the comment:

This is a backwards incompatible change, but unlikely to have a wide impact.

I was thinking for a second if it's making the change in the right direction 
because it's not unreasonable to pass "None" for saying "I want no target". But 
it's documented this way and lxml does it the same, so I agree that this should 
be changed to make "None" behave the same as no argument.

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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Serhiy Storchaka]

Change by Serhiy Storchaka :


--
components: +Extension Modules
nosy: +serhiy.storchaka
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.8

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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Ned Deily]

Change by Ned Deily :


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nosy: +eli.bendersky, scoder

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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Jacob Walls]

Change by Jacob Walls :


--
keywords: +patch
nosy: +jacobtylerwalls
nosy_count: 1.0 -> 2.0
pull_requests: +29329
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/31152

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[issue45948] Unexpected instantiation behavior for xml.etree.ElementTree.XMLParser(target=None)

[Robert Steed]

New submission from Robert Steed :

Expected instantiation of xml.etree.ElementTree.XMLParser(target=None) to 
create a parser using default TreeBuilder

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components: XML
files: XMLParserFail.py
messages: 407458
nosy: rdsteed
priority: normal
severity: normal
status: open
title: Unexpected instantiation behavior for 
xml.etree.ElementTree.XMLParser(target=None)
type: behavior
versions: Python 3.8
Added file: https://bugs.python.org/file50465/XMLParserFail.py

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