[Python-checkins] [3.7] bpo-38535: Fix positions for AST nodes for calls without arguments in decorators. (GH-16861). (GH-16930)
Serhiy Storchaka
webhook-mailer at python.org
Sat Oct 26 10:30:18 EDT 2019
https://github.com/python/cpython/commit/91fc9cf43cc2e3a2f236ef9944cf1f4bed701545
commit: 91fc9cf43cc2e3a2f236ef9944cf1f4bed701545
branch: 3.7
author: Serhiy Storchaka <storchaka at gmail.com>
committer: GitHub <noreply at github.com>
date: 2019-10-26T17:30:14+03:00
summary:
[3.7] bpo-38535: Fix positions for AST nodes for calls without arguments in decorators. (GH-16861). (GH-16930)
(cherry picked from commit 26ae9f6d3d755734c9f371b9356325afe5764813)
files:
A Misc/NEWS.d/next/Core and Builtins/2019-10-20-12-43-48.bpo-38535.ESMkVN.rst
M Lib/test/test_ast.py
M Python/ast.c
diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py
index 2d0b5b24ee7dc..2d2fb26baa9c0 100644
--- a/Lib/test/test_ast.py
+++ b/Lib/test/test_ast.py
@@ -125,6 +125,14 @@ def to_tuple(t):
"{*{1, 2}, 3}",
# Asynchronous comprehensions
"async def f():\n [i async for b in c]",
+ # Decorated FunctionDef
+ "@deco1\n at deco2()\n at deco3(1)\ndef f(): pass",
+ # Decorated AsyncFunctionDef
+ "@deco1\n at deco2()\n at deco3(1)\nasync def f(): pass",
+ # Decorated ClassDef
+ "@deco1\n at deco2()\n at deco3(1)\nclass C: pass",
+ # Decorator with generator argument
+ "@deco(a for a in b)\ndef f(): pass",
]
# These are compiled through "single"
@@ -1255,6 +1263,10 @@ def main():
('Module', [('Expr', (1, 0), ('Dict', (1, 0), [None, ('Num', (1, 10), 2)], [('Dict', (1, 3), [('Num', (1, 4), 1)], [('Num', (1, 6), 2)]), ('Num', (1, 12), 3)]))]),
('Module', [('Expr', (1, 0), ('Set', (1, 0), [('Starred', (1, 1), ('Set', (1, 2), [('Num', (1, 3), 1), ('Num', (1, 6), 2)]), ('Load',)), ('Num', (1, 10), 3)]))]),
('Module', [('AsyncFunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Expr', (2, 1), ('ListComp', (2, 2), ('Name', (2, 2), 'i', ('Load',)), [('comprehension', ('Name', (2, 14), 'b', ('Store',)), ('Name', (2, 19), 'c', ('Load',)), [], 1)]))], [], None)]),
+('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (4, 9))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 1), ('Name', (2, 1), 'deco2', ('Load',)), [], []), ('Call', (3, 1), ('Name', (3, 1), 'deco3', ('Load',)), [('Num', (3, 7), 1)], [])], None)]),
+('Module', [('AsyncFunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (4, 15))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 1), ('Name', (2, 1), 'deco2', ('Load',)), [], []), ('Call', (3, 1), ('Name', (3, 1), 'deco3', ('Load',)), [('Num', (3, 7), 1)], [])], None)]),
+('Module', [('ClassDef', (1, 0), 'C', [], [], [('Pass', (4, 9))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 1), ('Name', (2, 1), 'deco2', ('Load',)), [], []), ('Call', (3, 1), ('Name', (3, 1), 'deco3', ('Load',)), [('Num', (3, 7), 1)], [])])]),
+('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (2, 9))], [('Call', (1, 1), ('Name', (1, 1), 'deco', ('Load',)), [('GeneratorExp', (1, 6), ('Name', (1, 6), 'a', ('Load',)), [('comprehension', ('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 17), 'b', ('Load',)), [], 0)])], [])], None)]),
]
single_results = [
('Interactive', [('Expr', (1, 0), ('BinOp', (1, 0), ('Num', (1, 0), 1), ('Add',), ('Num', (1, 2), 2)))]),
diff --git a/Misc/NEWS.d/next/Core and Builtins/2019-10-20-12-43-48.bpo-38535.ESMkVN.rst b/Misc/NEWS.d/next/Core and Builtins/2019-10-20-12-43-48.bpo-38535.ESMkVN.rst
new file mode 100644
index 0000000000000..7671fd06474ba
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2019-10-20-12-43-48.bpo-38535.ESMkVN.rst
@@ -0,0 +1,2 @@
+Fixed line numbers and column offsets for AST nodes for calls without
+arguments in decorators.
diff --git a/Python/ast.c b/Python/ast.c
index ce61375ea951d..5a60d6994d6a6 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -1531,8 +1531,9 @@ ast_for_decorator(struct compiling *c, const node *n)
name_expr = NULL;
}
else if (NCH(n) == 5) { /* Call with no arguments */
- d = Call(name_expr, NULL, NULL, LINENO(n),
- n->n_col_offset, c->c_arena);
+ d = Call(name_expr, NULL, NULL,
+ name_expr->lineno, name_expr->col_offset,
+ c->c_arena);
if (!d)
return NULL;
name_expr = NULL;
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