Skip to content

gh-133196: Guard PEP 750 grammar with CHECK_VERSION #133225

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 1, 2025
Merged

gh-133196: Guard PEP 750 grammar with CHECK_VERSION #133225

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 6 additions & 1 deletion Grammar/python.gram
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -971,7 +971,12 @@ tstring_middle[expr_ty]:
| tstring_replacement_field
| t=TSTRING_MIDDLE { _PyPegen_constant_from_token(p, t) }
tstring[expr_ty] (memo):
| a=TSTRING_START b=tstring_middle* c=TSTRING_END { _PyPegen_template_str(p, a, (asdl_expr_seq*)b, c) }
| a=TSTRING_START b=tstring_middle* c=TSTRING_END {
CHECK_VERSION(
expr_ty,
14,
"t-strings are",
_PyPegen_template_str(p, a, (asdl_expr_seq*)b, c)) }

string[expr_ty]: s[Token*]=STRING { _PyPegen_constant_from_string(p, s) }
strings[expr_ty] (memo): a[asdl_expr_seq*]=(fstring|string|tstring)+ { _PyPegen_concatenate_strings(p, a, EXTRA) }
Expand Down
6 changes: 6 additions & 0 deletions Lib/test/test_ast/test_ast.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -675,6 +675,12 @@ def test_assignment_expression_feature_version(self):
with self.assertRaises(SyntaxError):
ast.parse('(x := 0)', feature_version=(3, 7))

def test_pep750_tstring(self):
code = 't""'
ast.parse(code, feature_version=(3, 14))
with self.assertRaises(SyntaxError):
ast.parse(code, feature_version=(3, 13))

def test_pep758_except_without_parens(self):
code = textwrap.dedent("""
try:
Expand Down
2 changes: 1 addition & 1 deletion Parser/parser.c
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

Loading