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gh-92123: Convert _elementtree types to heap types #99221

Merged
merged 22 commits into from
Jan 20, 2023
Merged

gh-92123: Convert _elementtree types to heap types #99221

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76641a3
Prepare init function
Nov 20, 2020
5cbbe16
Convert element type to heap type
Nov 20, 2020
116fa39
Convert element iter type to heap type
Nov 20, 2020
a792fcf
Convert tree builder type to heap type
Nov 20, 2020
341a92d
Convert xml parser type to heap type
Nov 20, 2020
f35c604
Update clinic
Nov 20, 2020
b6573b1
Add NEWS
Nov 20, 2020
404b398
Use PyModule_AddObjectRef
Nov 20, 2020
6e53e92
Create module before creating types
Nov 20, 2020
525cfaf
Fetch type before GC
Nov 21, 2020
2448e93
Add initialisation guard
Nov 21, 2020
959a225
Address Heime's review: Don't define globals twice
Nov 23, 2020
9210a36
Visit type in type traverse functions
Jan 11, 2021
a6c6fea
Fix NEWS formatting
Jan 11, 2021
e039922
Sync with main
erlend-aasland Nov 7, 2022
b02b18e
Sync with main
erlend-aasland Jan 12, 2023
744be65
Merge branch 'main' into isolate-elementtree
erlend-aasland Jan 18, 2023
c8a3c67
Address review: make types immutable
erlend-aasland Jan 18, 2023
2175f66
Disallow instantiation for the iter type
erlend-aasland Jan 19, 2023
04aaa3d
Merge branch 'main' into isolate-elementtree
erlend-aasland Jan 19, 2023
730e5d2
Address review: fix error handling in module init
erlend-aasland Jan 19, 2023
2ccabd0
Merge branch 'main' into isolate-elementtree
erlend-aasland Jan 20, 2023
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20 changes: 20 additions & 0 deletions Lib/test/test_xml_etree_c.py
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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,26 @@ def __hash__(self):
r = e.get(X())
self.assertIsNone(r)

@support.cpython_only
def test_immutable_types(self):
root = cET.fromstring('<a></a>')
dataset = (
cET.Element,
cET.TreeBuilder,
cET.XMLParser,
type(root.iter()),
)
for tp in dataset:
with self.subTest(tp=tp):
with self.assertRaisesRegex(TypeError, "immutable"):
tp.foo = 1

@support.cpython_only
def test_disallow_instantiation(self):
root = cET.fromstring('<a></a>')
iter_type = type(root.iter())
support.check_disallow_instantiation(self, iter_type)


@unittest.skipUnless(cET, 'requires _elementtree')
class TestAliasWorking(unittest.TestCase):
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2020-11-20-21-06-08.bpo-40077.M-iZq3.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Convert :mod:`elementtree` types to heap types. Patch by Erlend E. Aasland.
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