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[3.13] gh-139742: Add support for Python 3.14 t-string prefixes in IDLE colorizer and tests (GH-139756) by miss-islington · Pull Request #139830 · python/cpython · GitHub

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[3.13] gh-139742: Add support for Python 3.14 t-string prefixes in IDLE colorizer and tests (GH-139756) #139830

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[3.13] gh-139742: Add support for Python 3.14 t-string prefixes in IDLE colorizer and tests (GH-139756) #139830

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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.
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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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