New submission from mefistotelis <mefistote...@gmail.com>:
TLDR:
If I place "\r" in an Element attribute, it is handled and idiomized to " "
in the XML file. But wait - \r is not really code 10, right?
Real description:
If I create ElementTree and read it just after creation, I'm getting what I put
there - "\r". But if I save and re-load, it transforms into "\n". The character
is incorrectly converted before being idiomized, and saved XML file has invalid
value stored.
Quick repro:
# python3 -i
Python 3.8.0 (default, Oct 25 2019, 06:23:40) [GCC 9.2.0 64 bit (AMD64)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import xml.etree.ElementTree as ET
>>> elem = ET.Element('TEST')
>>> elem.set("Attt", "a\x0db")
>>> tree = ET.ElementTree(elem)
>>> with open("_test1.xml", "wb") as xml_fh:
... tree.write(xml_fh, encoding='utf-8', xml_declaration=True)
...
>>> tree.getroot().get("Attt")
'a\rb'
>>> tree = ET.parse("_test1.xml")
>>> tree.getroot().get("Attt")
'a\nb'
>>>
Related issue: https://bugs.python.org/issue5752
(keeping this one separate as it seem to be a simple bug, easy to fix outside
of the discussion there)
If there's a good workaround - please let me know.
Tested on Windows, v3.8 and v3.6
----------
components: XML
messages: 358154
nosy: mefistotelis
priority: normal
severity: normal
status: open
title: ElementTree attributes replace "\r" with "\n"
type: behavior
versions: Python 3.6, Python 3.8
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue39011>
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