[Python-checkins] bpo-43399: Fix ElementTree.extend not working on iterators (GH-24751)
miss-islington
webhook-mailer at python.org
Tue Mar 30 17:33:03 EDT 2021
https://github.com/python/cpython/commit/c1079cde2a7676892a9b98703903206b7d26ed1f
commit: c1079cde2a7676892a9b98703903206b7d26ed1f
branch: 3.8
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: miss-islington <31488909+miss-islington at users.noreply.github.com>
date: 2021-03-30T14:32:55-07:00
summary:
bpo-43399: Fix ElementTree.extend not working on iterators (GH-24751)
(cherry picked from commit 51a85ddce8b336addcb61b96f04c9c5edef07296)
Co-authored-by: Alex Prengère <2138730+alexprengere at users.noreply.github.com>
files:
A Misc/NEWS.d/next/Library/2021-03-04-17-53-46.bpo-43399.Wn95u-.rst
M Lib/test/test_xml_etree.py
M Lib/xml/etree/ElementTree.py
M Misc/ACKS
diff --git a/Lib/test/test_xml_etree.py b/Lib/test/test_xml_etree.py
index 341a3c7cd7660..d41ff4fd077e6 100644
--- a/Lib/test/test_xml_etree.py
+++ b/Lib/test/test_xml_etree.py
@@ -314,6 +314,9 @@ def test_simpleops(self):
elem.extend([e])
self.serialize_check(elem, '<body><tag /><tag2 /></body>')
elem.remove(e)
+ elem.extend(iter([e]))
+ self.serialize_check(elem, '<body><tag /><tag2 /></body>')
+ elem.remove(e)
element = ET.Element("tag", key="value")
self.serialize_check(element, '<tag key="value" />') # 1
diff --git a/Lib/xml/etree/ElementTree.py b/Lib/xml/etree/ElementTree.py
index 598b569ea958b..f8538dfb2b62d 100644
--- a/Lib/xml/etree/ElementTree.py
+++ b/Lib/xml/etree/ElementTree.py
@@ -245,7 +245,7 @@ def extend(self, elements):
"""
for element in elements:
self._assert_is_element(element)
- self._children.extend(elements)
+ self._children.append(element)
def insert(self, index, subelement):
"""Insert *subelement* at position *index*."""
diff --git a/Misc/ACKS b/Misc/ACKS
index e181c6171169e..39aa954a7b449 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1334,6 +1334,7 @@ Matheus Vieira Portela
Davin Potts
Guillaume Pratte
Florian Preinstorfer
+Alex Prengère
Amrit Prem
Paul Prescod
Donovan Preston
diff --git a/Misc/NEWS.d/next/Library/2021-03-04-17-53-46.bpo-43399.Wn95u-.rst b/Misc/NEWS.d/next/Library/2021-03-04-17-53-46.bpo-43399.Wn95u-.rst
new file mode 100644
index 0000000000000..0b8dffb2312e4
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2021-03-04-17-53-46.bpo-43399.Wn95u-.rst
@@ -0,0 +1,2 @@
+Fix ``ElementTree.extend`` not working on iterators when using the
+Python implementation
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