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gh-139742: Add support for Python 3.14 t-string prefixes in IDLE colorizer and tests by Anuradha-Agrawal-07 · Pull Request #139756 · python/cpython · GitHub

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gh-139742: Add support for Python 3.14 t-string prefixes in IDLE colorizer and tests #139756

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Merged
terryjreedy merged 8 commits into from
Oct 9, 2025
Conversation 20 Commits 8 Checks 51 Files changed
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gh-139742: Add support for Python 3.14 t-string prefixes in IDLE colorizer and tests #139756

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bf94458
Fix: Add 't' prefix to stringprefix regex to support Python 3.14 temp…
Anuradha-Agrawal-07 Oct 8, 2025
9167860
Add support for Python 3.14 t-string prefixes in IDLE colorizer and t…
Anuradha-Agrawal-07 Oct 8, 2025
7cca44f
📜🤖 Added by blurb_it.
blurb-it[bot] Oct 8, 2025
f64a65b
Update Lib/idlelib/colorizer.py
ambv Oct 8, 2025
516206f
Update Lib/idlelib/colorizer.py
ambv Oct 8, 2025
9cf2f5e
Merge branch 'main' into fix-idle-stringprefix
Anuradha-Agrawal-07 Oct 8, 2025
8bd6f67
Merge branch 'main' into fix-idle-stringprefix
Anuradha-Agrawal-07 Oct 8, 2025
251b506
Update line numbers in test
StanFromIreland Oct 9, 2025
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2 changes: 1 addition & 1 deletion Lib/idlelib/colorizer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ def make_pat():
name not in keyword.kwlist]
builtin = r"([^.'\"\\#]\b|^)" + any("BUILTIN", builtinlist) + r"\b"
comment = any("COMMENT", [r"#[^\n]*"])
stringprefix = r"(?i:r|u|f|fr|rf|b|br|rb)?"
stringprefix = r"(?i:r|u|f|fr|rf|b|br|rb|t|rt|tr)?"
sqstring = stringprefix + r"'[^'\\\n]*(\\.[^'\\\n]*)*'?"
dqstring = stringprefix + r'"[^"\\\n]*(\\.[^"\\\n]*)*"?'
sq3string = stringprefix + r"'''[^'\\]*((\\.|'(?!''))[^'\\]*)*(''')?"
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29 changes: 15 additions & 14 deletions Lib/idlelib/idle_test/test_colorizer.py
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Expand Up @@ -36,6 +36,7 @@ async def f(): await g()
# All valid prefixes for unicode and byte strings should be colored.
r'x', u'x', R'x', U'x', f'x', F'x'
fr'x', Fr'x', fR'x', FR'x', rf'x', rF'x', Rf'x', RF'x'
tr'x', Tr'x', tR'x', TR'x', rt'x', rT'x', Rt'x', RT'x'
b'x',B'x', br'x',Br'x',bR'x',BR'x', rb'x', rB'x',Rb'x',RB'x'
# Invalid combinations of legal characters should be half colored.
ur'x', ru'x', uf'x', fu'x', UR'x', ufr'x', rfu'x', xf'x', fx'x'
Expand Down Expand Up @@ -390,19 +391,19 @@ def test_recolorize_main(self, mock_notify):
('6.0', ('KEYWORD',)), ('6.10', ('DEFINITION',)), ('6.11', ()),
('8.0', ('STRING',)), ('8.4', ()), ('8.5', ('STRING',)),
('8.12', ()), ('8.14', ('STRING',)),
('19.0', ('KEYWORD',)),
('20.4', ('KEYWORD',)), ('20.16', ('KEYWORD',)),# ('20.19', ('KEYWORD',)),
#('22.4', ('KEYWORD',)), ('22.10', ('KEYWORD',)), ('22.14', ('KEYWORD',)), ('22.19', ('STRING',)),
#('23.12', ('KEYWORD',)),
('24.8', ('KEYWORD',)),
('25.4', ('KEYWORD',)), ('25.9', ('KEYWORD',)),
('25.11', ('KEYWORD',)), ('25.15', ('STRING',)),
('25.19', ('KEYWORD',)), ('25.22', ()),
('25.24', ('KEYWORD',)), ('25.29', ('BUILTIN',)), ('25.37', ('KEYWORD',)),
('26.4', ('KEYWORD',)), ('26.9', ('KEYWORD',)),# ('26.11', ('KEYWORD',)), ('26.14', (),),
('27.25', ('STRING',)), ('27.38', ('STRING',)),
('29.0', ('STRING',)),
('30.1', ('STRING',)),
('20.0', ('KEYWORD',)),
('21.4', ('KEYWORD',)), ('21.16', ('KEYWORD',)),# ('21.19', ('KEYWORD',)),
#('23.4', ('KEYWORD',)), ('23.10', ('KEYWORD',)), ('23.14', ('KEYWORD',)), ('23.19', ('STRING',)),
#('24.12', ('KEYWORD',)),
('25.8', ('KEYWORD',)),
('26.4', ('KEYWORD',)), ('26.9', ('KEYWORD',)),
('26.11', ('KEYWORD',)), ('26.15', ('STRING',)),
('26.19', ('KEYWORD',)), ('26.22', ()),
('26.24', ('KEYWORD',)), ('26.29', ('BUILTIN',)), ('26.37', ('KEYWORD',)),
('27.4', ('KEYWORD',)), ('27.9', ('KEYWORD',)),# ('27.11', ('KEYWORD',)), ('27.14', (),),
('28.25', ('STRING',)), ('28.38', ('STRING',)),
('30.0', ('STRING',)),
('31.1', ('STRING',)),
# SYNC at the end of every line.
('1.55', ('SYNC',)), ('2.50', ('SYNC',)), ('3.34', ('SYNC',)),
)
Expand Down Expand Up @@ -433,7 +434,7 @@ def test_recolorize_main(self, mock_notify):
eq(text.tag_nextrange('STRING', '8.12'), ('8.14', '8.17'))
eq(text.tag_nextrange('STRING', '8.17'), ('8.19', '8.26'))
eq(text.tag_nextrange('SYNC', '8.0'), ('8.26', '9.0'))
eq(text.tag_nextrange('SYNC', '30.0'), ('30.10', '32.0'))
eq(text.tag_nextrange('SYNC', '31.0'), ('31.10', '33.0'))

def _assert_highlighting(self, source, tag_ranges):
"""Check highlighting of a given piece of code.
Expand Down
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/IDLE/2025-10-08-08-35-50.gh-issue-139742.B3fZLg.rst
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@@ -0,0 +1 @@
Colorize t-string prefixes for template strings in IDLE, as done for f-string prefixes.
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