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Take SyntaxError messages and ranges from the parser #8983

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Merged
youknowone merged 21 commits into from
Oct 7, 2026
Merged

Take SyntaxError messages and ranges from the parser #8983

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776ab5d
Match CPython's SyntaxError range for unparenthesized `except` types
zzarbttoo Sep 6, 2026
e491d0d
Clarify that the `except` error range stops before the closing colon
zzarbttoo Sep 20, 2026
abacad2
Fix the `except ... as` error column for non-ASCII names and line joins
zzarbttoo Sep 20, 2026
5931324
Update the Ruff fork to 0.16.10
youknowone Oct 4, 2026
264650b
Drop the source scan for the `except ... as` error range
youknowone Oct 4, 2026
c1ed646
Take parse error messages from the parser as they are
youknowone Oct 4, 2026
fe81dff
Take starred and bytes literal error ranges from the parser
youknowone Oct 4, 2026
718e61a
Take indentation error kinds and positions from the parser
youknowone Oct 4, 2026
645631b
Take unterminated string messages from the parser
youknowone Oct 4, 2026
8f74913
Take bracket errors and tokenizer error priority from the parser
youknowone Oct 4, 2026
61b4032
Take number literal, string prefix and non-printable errors from the …
youknowone Oct 4, 2026
efe3856
Take the missing indented block error from the parser
youknowone Oct 4, 2026
b4660b4
Take binding target errors from the parser
youknowone Oct 4, 2026
2523208
Take parameter, argument, star, comma and dictionary errors from the …
youknowone Oct 4, 2026
13f1a00
Take expression errors from the parser
youknowone Oct 4, 2026
a47ad11
Take statement errors from the parser
youknowone Oct 5, 2026
450242a
Take string and f-string errors from the parser
youknowone Oct 5, 2026
f5af0dd
Restore the bracket depth check and fix incomplete unclosed strings
youknowone Oct 6, 2026
8cfafa1
Report multiple statements before later errors in single mode
youknowone Oct 6, 2026
a099d0b
Update the Ruff fork for parser speed and starred annotations
youknowone Oct 6, 2026
820917a
Use the published Ruff fork 0.16.10 crates
youknowone Oct 7, 2026
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Take expression errors from the parser 
Bump the ruff fork to 4f922d2124. Remove the source scanners for
comprehensions, collection and condition assignments, expressions
between strings, named expression targets, missing `in` after for-loop
variables and statements in `if` expressions. Remove the now passing
expected failure markers in test_syntax and test_named_expressions.

Assisted-by: Claude Code:claude-opus-5-5
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@youknowone
youknowone committed Oct 4, 2026
commit 13f1a000efa72cb2853f89056679b6be4691bc7b
10 changes: 5 additions & 5 deletions Cargo.lock
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8 changes: 4 additions & 4 deletions Cargo.toml
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Expand Up @@ -188,10 +188,10 @@ rustpython-wtf8 = { path = "crates/wtf8", version = "0.6.1" }
rustpython-doc = { path = "crates/doc", version = "0.6.1" }

# Use the RustPython Ruff fork for RustPython public `_ast` metadata.
ruff_python_parser = { package = "rustpython-ruff_python_parser", git = "https://github.com/RustPython/ruff.git", rev = "36919b62fa1b32c57b429de93c7aa0f4b2572164" }
ruff_python_ast = { package = "rustpython-ruff_python_ast", git = "https://github.com/RustPython/ruff.git", rev = "36919b62fa1b32c57b429de93c7aa0f4b2572164" }
ruff_text_size = { package = "rustpython-ruff_text_size", git = "https://github.com/RustPython/ruff.git", rev = "36919b62fa1b32c57b429de93c7aa0f4b2572164" }
ruff_source_file = { package = "rustpython-ruff_source_file", git = "https://github.com/RustPython/ruff.git", rev = "36919b62fa1b32c57b429de93c7aa0f4b2572164" }
ruff_python_parser = { package = "rustpython-ruff_python_parser", git = "https://github.com/RustPython/ruff.git", rev = "4f922d2124f25a7bc27e5ee106ba6cd1677056e5" }
ruff_python_ast = { package = "rustpython-ruff_python_ast", git = "https://github.com/RustPython/ruff.git", rev = "4f922d2124f25a7bc27e5ee106ba6cd1677056e5" }
ruff_text_size = { package = "rustpython-ruff_text_size", git = "https://github.com/RustPython/ruff.git", rev = "4f922d2124f25a7bc27e5ee106ba6cd1677056e5" }
ruff_source_file = { package = "rustpython-ruff_source_file", git = "https://github.com/RustPython/ruff.git", rev = "4f922d2124f25a7bc27e5ee106ba6cd1677056e5" }

der = { version = "0.8", features = ["alloc", "oid", "pem", "zeroize"] }
phf = { version = "0.14.0", default-features = false, features = ["macros"]}
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1 change: 0 additions & 1 deletion Lib/test/test_named_expressions.py
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Expand Up @@ -98,7 +98,6 @@ def test_named_expression_invalid_16(self):
with self.assertRaisesRegex(SyntaxError, "invalid syntax"):
exec(code, {}, {})

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_named_expression_invalid_17(self):
code = "[i := 0, j := 1 for i, j in [(1, 2), (3, 4)]]"

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2 changes: 1 addition & 1 deletion Lib/test/test_syntax.py
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Expand Up @@ -326,7 +326,7 @@

# Incorrectly closed strings

>>> "The interesting object "The important object" is very important" # TODO: RUSTPYTHON; Wrong error message # doctest: +EXPECTED_FAILURE
>>> "The interesting object "The important object" is very important"
Traceback (most recent call last):
SyntaxError: invalid syntax. Is this intended to be part of the string?

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