[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Cheryl Sabella]

Cheryl Sabella  added the comment:

I've closed PR1745 as it appeared to be abandoned.

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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[miss-islington]

miss-islington  added the comment:


New changeset a9a065addd175ed37a959118c90377ba60f90036 by Miss Islington (bot) 
in branch '3.7':
bpo-9883: Update list of unimplemented interfaces in minidom. (GH-12677)
https://github.com/python/cpython/commit/a9a065addd175ed37a959118c90377ba60f90036


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[miss-islington]

Change by miss-islington :


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset 2ea8099523581cf2ecc060831a53debb57ff98ee by Serhiy Storchaka 
(Stefan Behnel) in branch 'master':
bpo-9883: Update list of unimplemented interfaces in minidom. (GH-12677)
https://github.com/python/cpython/commit/2ea8099523581cf2ecc060831a53debb57ff98ee


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[miss-islington]

Change by miss-islington :


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Stefan Behnel]

Change by Stefan Behnel :


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stage:  -> patch review

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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Stefan Behnel]

Stefan Behnel  added the comment:

Seems like a reasonable request to me, even if it hasn't been touched or 
re-requested for years.

Funny enough, DocumentFragment is currently documented as "not implemented" (as 
for Entity, Notation, CDATASection, CharacterData, DOMImplementation, 
DocumentType). I'll add a PR to clean those up.

https://docs.python.org/3/library/xml.dom.minidom.html#minidom-and-the-dom-standard

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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[James Socol]

Change by James Socol :


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Karthikeyan Singaravelan]

Change by Karthikeyan Singaravelan :


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Fred L. Drake, Jr.]

Fred L. Drake, Jr.  added the comment:

Updated target to Python 3.8, since this has aged a bit.

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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Fred L. Drake, Jr.]

Fred L. Drake, Jr. added the comment:

I agree that writexml should be available for document fragments.

I doubt the additional level of indentation should be added, as you've included 
in point 2.

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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Alex Perry]

Changes by Alex Perry :


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Mark Lawrence]

Changes by Mark Lawrence :


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Alex Perry]

Changes by Alex Perry :


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Mark Lawrence]

Mark Lawrence added the comment:

Can someone please confirm that my assessment of this as an enhancement is 
correct, thanks.

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type: behavior - enhancement
versions: +Python 3.5 -Python 2.6

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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[James Socol]

Changes by James Socol me+pyb...@jamessocol.com:


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[issue9883] minidom: AttributeError: DocumentFragment instance has no attribute 'writexml'

[Aubrey Barnard]

New submission from Aubrey Barnard aubrey.f.barn...@gmail.com:

Summary:
Writing a document fragment doesn't work because the 'writexml' method is not 
implemented.

Problem:
I would like to be able to write out document fragments as XML text, but this 
functionality is not implemented. Here are the reasons why I think this 
functionality should be implemented.

1. DOM Level 1 describes a document fragment as a lightweight document. I can 
write a document as XML text so why not a document fragment?

2. This would be very easy to implement, basically just the child processing 
loop from Element.writexml:
for node in self.childNodes:
node.writexml(writer,indent+addindent,addindent,newl)

3. Document fragments are often returned as intermediate results in XML 
building. The best way I can think of to unit test these results is by writing 
the document fragment as XML text and comparing to an existing string. 
(Comparing two document fragments is not guaranteed to work.)

4. Implementing an XML editor on top of minidom would require this 
functionality, e.g. display a piece of cut XML.

I realize that writing document fragments as XML text is not a common or core 
operation, but it makes sense in the above four cases and perhaps other cases 
as well. Therefore, to me, implementing this functionality is less a question 
of Why? and more a question of Why not?

I will be glad to add any other information as requested.

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components: XML
messages: 116644
nosy: Aubrey.Barnard
priority: normal
severity: normal
status: open
title: minidom: AttributeError: DocumentFragment instance has no attribute 
'writexml'
type: behavior
versions: Python 2.6

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