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gh-123881: make compiler add the .generic_base base class without constructing AST nodes #123883

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Merged
merged 15 commits into from
Sep 10, 2024
Merged

gh-123881: make compiler add the .generic_base base class without constructing AST nodes #123883

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031c697
add action helper for ClassDef
iritkatriel Sep 9, 2024
6547576
add .generic_base to bases in AST so compiler doesn't need to do it
iritkatriel Sep 9, 2024
412fe99
update tests
iritkatriel Sep 9, 2024
781fc79
add news
iritkatriel Sep 9, 2024
8200b77
add whatsnew entry
iritkatriel Sep 9, 2024
d75532a
Revert "add whatsnew entry"
iritkatriel Sep 9, 2024
22228eb
Revert "add news"
iritkatriel Sep 9, 2024
4831765
Revert "update tests"
iritkatriel Sep 9, 2024
5218173
Revert "add .generic_base to bases in AST so compiler doesn't need to…
iritkatriel Sep 9, 2024
0e52c0f
Revert "add action helper for ClassDef"
iritkatriel Sep 9, 2024
341f8a5
keep it in the compiler
iritkatriel Sep 9, 2024
e92c432
handle stararg case
iritkatriel Sep 10, 2024
40046c1
Merge remote-tracking branch 'upstream/main' into generic
iritkatriel Sep 10, 2024
4611b92
the compiler struct no longer needs the arena
iritkatriel Sep 10, 2024
c6c3cff
Merge branch 'main' into generic
iritkatriel Sep 10, 2024
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Revert "update tests" 
This reverts commit 412fe99.
  • Loading branch information
@iritkatriel
iritkatriel committed Sep 9, 2024
commit 4831765d77ab1e36763f14f4a99b625439da2d63
2 changes: 0 additions & 2 deletions 2 Lib/ast.py
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Original file line number Diff line number Diff line change
Expand Up @@ -997,8 +997,6 @@ def visit_ClassDef(self, node):
with self.delimit_if("(", ")", condition = node.bases or node.keywords):
comma = False
for e in node.bases:
if isinstance(e, Name) and e.id == ".generic_base":
continue
if comma:
self.write(", ")
else:
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10 changes: 5 additions & 5 deletions 10 Lib/test/test_ast/snippets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -503,11 +503,11 @@ def main():
('Module', [('TypeAlias', (1, 0, 1, 37), ('Name', (1, 5, 1, 6), 'X', ('Store',)), [('TypeVar', (1, 7, 1, 13), 'T', ('Name', (1, 10, 1, 13), 'int', ('Load',)), None), ('TypeVarTuple', (1, 15, 1, 18), 'Ts', None), ('ParamSpec', (1, 20, 1, 23), 'P', None)], ('Tuple', (1, 27, 1, 37), [('Name', (1, 28, 1, 29), 'T', ('Load',)), ('Name', (1, 31, 1, 33), 'Ts', ('Load',)), ('Name', (1, 35, 1, 36), 'P', ('Load',))], ('Load',)))], []),
('Module', [('TypeAlias', (1, 0, 1, 44), ('Name', (1, 5, 1, 6), 'X', ('Store',)), [('TypeVar', (1, 7, 1, 20), 'T', ('Tuple', (1, 10, 1, 20), [('Name', (1, 11, 1, 14), 'int', ('Load',)), ('Name', (1, 16, 1, 19), 'str', ('Load',))], ('Load',)), None), ('TypeVarTuple', (1, 22, 1, 25), 'Ts', None), ('ParamSpec', (1, 27, 1, 30), 'P', None)], ('Tuple', (1, 34, 1, 44), [('Name', (1, 35, 1, 36), 'T', ('Load',)), ('Name', (1, 38, 1, 40), 'Ts', ('Load',)), ('Name', (1, 42, 1, 43), 'P', ('Load',))], ('Load',)))], []),
('Module', [('TypeAlias', (1, 0, 1, 48), ('Name', (1, 5, 1, 6), 'X', ('Store',)), [('TypeVar', (1, 7, 1, 17), 'T', ('Name', (1, 10, 1, 13), 'int', ('Load',)), ('Constant', (1, 16, 1, 17), 1, None)), ('TypeVarTuple', (1, 19, 1, 26), 'Ts', ('Constant', (1, 25, 1, 26), 2, None)), ('ParamSpec', (1, 28, 1, 34), 'P', ('Constant', (1, 33, 1, 34), 3, None))], ('Tuple', (1, 38, 1, 48), [('Name', (1, 39, 1, 40), 'T', ('Load',)), ('Name', (1, 42, 1, 44), 'Ts', ('Load',)), ('Name', (1, 46, 1, 47), 'P', ('Load',))], ('Load',)))], []),
('Module', [('ClassDef', (1, 0, 1, 16), 'X', [('Name', (1, 0, 1, 16), '.generic_base', ('Load',))], [], [('Pass', (1, 12, 1, 16))], [], [('TypeVar', (1, 8, 1, 9), 'T', None, None)])], []),
('Module', [('ClassDef', (1, 0, 1, 26), 'X', [('Name', (1, 0, 1, 26), '.generic_base', ('Load',))], [], [('Pass', (1, 22, 1, 26))], [], [('TypeVar', (1, 8, 1, 9), 'T', None, None), ('TypeVarTuple', (1, 11, 1, 14), 'Ts', None), ('ParamSpec', (1, 16, 1, 19), 'P', None)])], []),
('Module', [('ClassDef', (1, 0, 1, 31), 'X', [('Name', (1, 0, 1, 31), '.generic_base', ('Load',))], [], [('Pass', (1, 27, 1, 31))], [], [('TypeVar', (1, 8, 1, 14), 'T', ('Name', (1, 11, 1, 14), 'int', ('Load',)), None), ('TypeVarTuple', (1, 16, 1, 19), 'Ts', None), ('ParamSpec', (1, 21, 1, 24), 'P', None)])], []),
('Module', [('ClassDef', (1, 0, 1, 38), 'X', [('Name', (1, 0, 1, 38), '.generic_base', ('Load',))], [], [('Pass', (1, 34, 1, 38))], [], [('TypeVar', (1, 8, 1, 21), 'T', ('Tuple', (1, 11, 1, 21), [('Name', (1, 12, 1, 15), 'int', ('Load',)), ('Name', (1, 17, 1, 20), 'str', ('Load',))], ('Load',)), None), ('TypeVarTuple', (1, 23, 1, 26), 'Ts', None), ('ParamSpec', (1, 28, 1, 31), 'P', None)])], []),
('Module', [('ClassDef', (1, 0, 1, 43), 'X', [('Name', (1, 0, 1, 43), '.generic_base', ('Load',))], [], [('Pass', (1, 39, 1, 43))], [], [('TypeVar', (1, 8, 1, 18), 'T', ('Name', (1, 11, 1, 14), 'int', ('Load',)), ('Constant', (1, 17, 1, 18), 1, None)), ('TypeVarTuple', (1, 20, 1, 27), 'Ts', ('Constant', (1, 26, 1, 27), 2, None)), ('ParamSpec', (1, 29, 1, 36), 'P', ('Constant', (1, 35, 1, 36), 3, None))])], []),
('Module', [('ClassDef', (1, 0, 1, 16), 'X', [], [], [('Pass', (1, 12, 1, 16))], [], [('TypeVar', (1, 8, 1, 9), 'T', None, None)])], []),
('Module', [('ClassDef', (1, 0, 1, 26), 'X', [], [], [('Pass', (1, 22, 1, 26))], [], [('TypeVar', (1, 8, 1, 9), 'T', None, None), ('TypeVarTuple', (1, 11, 1, 14), 'Ts', None), ('ParamSpec', (1, 16, 1, 19), 'P', None)])], []),
('Module', [('ClassDef', (1, 0, 1, 31), 'X', [], [], [('Pass', (1, 27, 1, 31))], [], [('TypeVar', (1, 8, 1, 14), 'T', ('Name', (1, 11, 1, 14), 'int', ('Load',)), None), ('TypeVarTuple', (1, 16, 1, 19), 'Ts', None), ('ParamSpec', (1, 21, 1, 24), 'P', None)])], []),
('Module', [('ClassDef', (1, 0, 1, 38), 'X', [], [], [('Pass', (1, 34, 1, 38))], [], [('TypeVar', (1, 8, 1, 21), 'T', ('Tuple', (1, 11, 1, 21), [('Name', (1, 12, 1, 15), 'int', ('Load',)), ('Name', (1, 17, 1, 20), 'str', ('Load',))], ('Load',)), None), ('TypeVarTuple', (1, 23, 1, 26), 'Ts', None), ('ParamSpec', (1, 28, 1, 31), 'P', None)])], []),
('Module', [('ClassDef', (1, 0, 1, 43), 'X', [], [], [('Pass', (1, 39, 1, 43))], [], [('TypeVar', (1, 8, 1, 18), 'T', ('Name', (1, 11, 1, 14), 'int', ('Load',)), ('Constant', (1, 17, 1, 18), 1, None)), ('TypeVarTuple', (1, 20, 1, 27), 'Ts', ('Constant', (1, 26, 1, 27), 2, None)), ('ParamSpec', (1, 29, 1, 36), 'P', ('Constant', (1, 35, 1, 36), 3, None))])], []),
('Module', [('FunctionDef', (1, 0, 1, 16), 'f', ('arguments', [], [], None, [], [], None, []), [('Pass', (1, 12, 1, 16))], [], None, None, [('TypeVar', (1, 6, 1, 7), 'T', None, None)])], []),
('Module', [('FunctionDef', (1, 0, 1, 26), 'f', ('arguments', [], [], None, [], [], None, []), [('Pass', (1, 22, 1, 26))], [], None, None, [('TypeVar', (1, 6, 1, 7), 'T', None, None), ('TypeVarTuple', (1, 9, 1, 12), 'Ts', None), ('ParamSpec', (1, 14, 1, 17), 'P', None)])], []),
('Module', [('FunctionDef', (1, 0, 1, 31), 'f', ('arguments', [], [], None, [], [], None, []), [('Pass', (1, 27, 1, 31))], [], None, None, [('TypeVar', (1, 6, 1, 12), 'T', ('Name', (1, 9, 1, 12), 'int', ('Load',)), None), ('TypeVarTuple', (1, 14, 1, 17), 'Ts', None), ('ParamSpec', (1, 19, 1, 22), 'P', None)])], []),
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2 changes: 0 additions & 2 deletions 2 Lib/test/test_ast/test_ast.py
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Expand Up @@ -3290,15 +3290,13 @@ def test_folding_type_param_in_class_def(self):
optimized_target = self.wrap_statement(
ast.ClassDef(
name='foo',
bases=[ast.Name(id='.generic_base', ctx=ast.Load())],
body=[ast.Pass()],
type_params=[type_param(name=name, default_value=ast.Constant(2))]
)
)
non_optimized_target = self.wrap_statement(
ast.ClassDef(
name='foo',
bases=[ast.Name(id='.generic_base', ctx=ast.Load())],
body=[ast.Pass()],
type_params=[type_param(name=name, default_value=unoptimized_binop)]
)
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