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gh-118350: Add escapable-raw-text mode to html parser #121770

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gh-118350: Add escapable-raw-text mode to html parser #121770

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420af54
fix: add escapable raw text mode to html parsel
timonviola Jul 14, 2024
1241a65
test: add character reference and ambiguous ampersand test cases
timonviola May 13, 2025
e7f11a0
test: remove irrelevant test
timonviola May 13, 2025
bd63490
test: add charachter reference tests for raw escapable elements
timonviola May 13, 2025
da868db
test: include raw text and escapable raw text elements in cdata conte…
timonviola May 13, 2025
d17b409
Merge branch 'main' into fix-issue-118350
timonviola May 13, 2025
d8cc255
Merge branch 'python:main' into fix-issue-118350
timonviola May 14, 2025
a36070a
update to latest main
timonviola May 14, 2025
43804bb
test: add failing test
timonviola May 14, 2025
70b8e5d
test: add charref test
timonviola May 14, 2025
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2 changes: 1 addition & 1 deletion Lib/html/parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -471,4 +471,4 @@ def handle_pi(self, data):
pass

def unknown_decl(self, data):
pass
pass
53 changes: 52 additions & 1 deletion Lib/test/test_htmlparser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -295,6 +295,57 @@ def test_cdata_content(self):
("data", content),
("endtag", element_lower)])

def test_raw_text_content(self):
# Tags should be treated as text in raw text and escapable raw text content.
content = """<h1>tagshould be handled as text"""
elements = [
"script",
"style",
"title",
"textarea",
"SCRIPT",
"STYLE",
"TITLE",
"TEXTAREA",
"Script",
"Style",
"Title",
"Textarea",
]
for element in elements:
source = f"<{element}>{content}"
self._run_check(source, [
("starttag", element.lower(), []),
("data", content)
])

def test_escapable_raw_text_content(self):
# Charrefs should be escaped in esacapable raw text content.
class Collector(EventCollector):
pass

content = "Timon &amp; Pumba"
expected = "Timon & Pumba"
elements = [
"title",
"textarea",
"TITLE",
"TEXTAREA",
"Title",
"Textarea",
]
for element in elements:
source = f"<{element}>{content}"
self._run_check(
source, [
("starttag", element.lower(), []),
('data', 'Timon '),
('entityref', 'amp'),
('data', ' Pumba')
],
collector=Collector(convert_charrefs=False),
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Did you mean this test? @serhiy-storchaka

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Yes. Thanks.

)

def test_cdata_with_closing_tags(self):
# see issue #13358
# make sure that HTMLParser calls handle_data only once for each CDATA.
Expand Down Expand Up @@ -473,7 +524,7 @@ def test_slashes_in_starttag(self):
('starttag', 'a', [('foo', None), ('=', None), ('bar', None)])
]
self._run_check(html, expected)
#see issue #14538
# see issue #14538
html = ('<meta><meta / ><meta // ><meta / / >'
'<meta/><meta /><meta //><meta//>')
expected = [
Expand Down
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