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Issue #17582: xml.etree.ElementTree nows preserves whitespaces in attributes

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(Patch by Duane Griffin.  Reviewed and approved by Stefan Behnel.)
This commit is contained in:
Raymond Hettinger 2016-09-11 23:18:03 -07:00
parent 4b73676c3d
commit 076366c2a5
3 changed files with 22 additions and 0 deletions
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11
Lib/xml/etree/ElementTree.py
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@ -1083,8 +1083,19 @@ def _escape_attrib(text):
text = text.replace(">", ">")
if "\"" in text:
text = text.replace("\"", """)
# The following business with carriage returns is to satisfy
# Section 2.11 of the XML specification, stating that
# CR or CR LN should be replaced with just LN
# http://www.w3.org/TR/REC-xml/#sec-line-ends
if "\r\n" in text:
text = text.replace("\r\n", "\n")
if "\r" in text:
text = text.replace("\r", "\n")
#The following four lines are issue 17582
if "\n" in text:
text = text.replace("\n", "
")
if "\t" in text:
text = text.replace("\t", "	")
return text
except (TypeError, AttributeError):
_raise_serialization_error(text)