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[3.14] gh-139742: Add support for Python 3.14 t-string prefixes in IDLE colorizer and tests (GH-139756) (#139831)

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

Add 't' prefix to colorizer.py stringprefix regex to support Python 3.14 template strings.
Add t prefixes to test_colorizer.py source test text and adjust line numbers on test methods.
---------
(cherry picked from commit 6fd1418341)

Co-authored-by: Anuradha Agrawal <paysur2111@gmail.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
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Miss Islington (bot) 2025-10-09 11:51:58 +02:00 • committed by GitHub
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commit 342b644bd2
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3 changed files with 17 additions and 15 deletions
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2
Lib/idlelib/colorizer.py
View file

@ -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"'''[^'\\]*((\\.|'(?!''))[^'\\]*)*(''')?"

29
Lib/idlelib/idle_test/test_colorizer.py
View file

@ -36,6 +36,7 @@ source = textwrap.dedent("""\
# 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'
@ -390,19 +391,19 @@ class ColorDelegatorTest(unittest.TestCase):
('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',)),
)
@ -433,7 +434,7 @@ class ColorDelegatorTest(unittest.TestCase):
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.

1
Misc/NEWS.d/next/IDLE/2025-10-08-08-35-50.gh-issue-139742.B3fZLg.rst Normal file
View file

@ -0,0 +1 @@
Colorize t-string prefixes for template strings in IDLE, as done for f-string prefixes.