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gh-116023: Add show_empty=False to ast.dump (#116037)
Co-authored-by: Carl Meyer <carl@oddbird.net>
This commit is contained in:
Nikita Sobolev
GitHub
parent
7e87d30f1f
commit
692e902c74
4 changed files with 249 additions and 167 deletions
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@ -173,8 +173,7 @@ Root nodes
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Assign(
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targets=[
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Name(id='x', ctx=Store())],
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value=Constant(value=1))],
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type_ignores=[])
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value=Constant(value=1))])
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.. class:: Expression(body)
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@ -302,8 +301,7 @@ Literals
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value=Call(
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func=Name(id='sin', ctx=Load()),
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args=[
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Name(id='a', ctx=Load())],
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keywords=[]),
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Name(id='a', ctx=Load())]),
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conversion=-1,
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format_spec=JoinedStr(
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values=[
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@ -398,8 +396,7 @@ Variables
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Module(
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body=[
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Expr(
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value=Name(id='a', ctx=Load()))],
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type_ignores=[])
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value=Name(id='a', ctx=Load()))])
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>>> print(ast.dump(ast.parse('a = 1'), indent=4))
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Module(
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@ -407,16 +404,14 @@ Variables
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Assign(
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targets=[
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Name(id='a', ctx=Store())],
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value=Constant(value=1))],
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type_ignores=[])
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value=Constant(value=1))])
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>>> print(ast.dump(ast.parse('del a'), indent=4))
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Module(
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body=[
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Delete(
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targets=[
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Name(id='a', ctx=Del())])],
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type_ignores=[])
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Name(id='a', ctx=Del())])])
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.. class:: Starred(value, ctx)
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@ -439,8 +434,7 @@ Variables
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value=Name(id='b', ctx=Store()),
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ctx=Store())],
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ctx=Store())],
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value=Name(id='it', ctx=Load()))],
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type_ignores=[])
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value=Name(id='it', ctx=Load()))])
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.. _ast-expressions:
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@ -463,8 +457,7 @@ Expressions
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Expr(
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value=UnaryOp(
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op=USub(),
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operand=Name(id='a', ctx=Load())))],
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type_ignores=[])
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operand=Name(id='a', ctx=Load())))])
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.. class:: UnaryOp(op, operand)
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@ -729,7 +722,10 @@ Comprehensions
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.. doctest::
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>>> print(ast.dump(ast.parse('[x for x in numbers]', mode='eval'), indent=4))
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>>> print(ast.dump(
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... ast.parse('[x for x in numbers]', mode='eval'),
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... indent=4,
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... ))
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Expression(
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body=ListComp(
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elt=Name(id='x', ctx=Load()),
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@ -737,9 +733,11 @@ Comprehensions
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comprehension(
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target=Name(id='x', ctx=Store()),
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iter=Name(id='numbers', ctx=Load()),
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ifs=[],
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is_async=0)]))
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>>> print(ast.dump(ast.parse('{x: x**2 for x in numbers}', mode='eval'), indent=4))
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>>> print(ast.dump(
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... ast.parse('{x: x**2 for x in numbers}', mode='eval'),
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... indent=4,
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... ))
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Expression(
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body=DictComp(
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key=Name(id='x', ctx=Load()),
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@ -751,9 +749,11 @@ Comprehensions
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comprehension(
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target=Name(id='x', ctx=Store()),
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iter=Name(id='numbers', ctx=Load()),
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ifs=[],
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is_async=0)]))
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>>> print(ast.dump(ast.parse('{x for x in numbers}', mode='eval'), indent=4))
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>>> print(ast.dump(
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... ast.parse('{x for x in numbers}', mode='eval'),
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... indent=4,
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... ))
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Expression(
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body=SetComp(
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elt=Name(id='x', ctx=Load()),
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@ -761,7 +761,6 @@ Comprehensions
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comprehension(
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target=Name(id='x', ctx=Store()),
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iter=Name(id='numbers', ctx=Load()),
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ifs=[],
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is_async=0)]))
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@ -784,18 +783,15 @@ Comprehensions
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elt=Call(
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func=Name(id='ord', ctx=Load()),
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args=[
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Name(id='c', ctx=Load())],
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keywords=[]),
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Name(id='c', ctx=Load())]),
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generators=[
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comprehension(
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target=Name(id='line', ctx=Store()),
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iter=Name(id='file', ctx=Load()),
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ifs=[],
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is_async=0),
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comprehension(
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target=Name(id='c', ctx=Store()),
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iter=Name(id='line', ctx=Load()),
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ifs=[],
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is_async=0)]))
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>>> print(ast.dump(ast.parse('(n**2 for n in it if n>5 if n<10)', mode='eval'),
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@ -834,7 +830,6 @@ Comprehensions
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comprehension(
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target=Name(id='i', ctx=Store()),
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iter=Name(id='soc', ctx=Load()),
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ifs=[],
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is_async=1)]))
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@ -864,8 +859,7 @@ Statements
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targets=[
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Name(id='a', ctx=Store()),
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Name(id='b', ctx=Store())],
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value=Constant(value=1))],
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type_ignores=[])
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value=Constant(value=1))])
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>>> print(ast.dump(ast.parse('a,b = c'), indent=4)) # Unpacking
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Module(
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@ -877,8 +871,7 @@ Statements
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Name(id='a', ctx=Store()),
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Name(id='b', ctx=Store())],
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ctx=Store())],
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value=Name(id='c', ctx=Load()))],
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type_ignores=[])
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value=Name(id='c', ctx=Load()))])
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.. class:: AnnAssign(target, annotation, value, simple)
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@ -898,8 +891,7 @@ Statements
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AnnAssign(
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target=Name(id='c', ctx=Store()),
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annotation=Name(id='int', ctx=Load()),
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simple=1)],
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type_ignores=[])
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simple=1)])
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>>> print(ast.dump(ast.parse('(a): int = 1'), indent=4)) # Annotation with parenthesis
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Module(
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@ -908,8 +900,7 @@ Statements
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target=Name(id='a', ctx=Store()),
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annotation=Name(id='int', ctx=Load()),
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value=Constant(value=1),
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simple=0)],
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type_ignores=[])
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simple=0)])
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>>> print(ast.dump(ast.parse('a.b: int'), indent=4)) # Attribute annotation
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Module(
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@ -920,8 +911,7 @@ Statements
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attr='b',
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ctx=Store()),
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annotation=Name(id='int', ctx=Load()),
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simple=0)],
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type_ignores=[])
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simple=0)])
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>>> print(ast.dump(ast.parse('a[1]: int'), indent=4)) # Subscript annotation
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Module(
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@ -932,8 +922,7 @@ Statements
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slice=Constant(value=1),
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ctx=Store()),
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annotation=Name(id='int', ctx=Load()),
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simple=0)],
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type_ignores=[])
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simple=0)])
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.. class:: AugAssign(target, op, value)
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@ -954,8 +943,7 @@ Statements
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AugAssign(
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target=Name(id='x', ctx=Store()),
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op=Add(),
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value=Constant(value=2))],
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type_ignores=[])
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value=Constant(value=2))])
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.. class:: Raise(exc, cause)
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@ -971,8 +959,7 @@ Statements
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body=[
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Raise(
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exc=Name(id='x', ctx=Load()),
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cause=Name(id='y', ctx=Load()))],
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type_ignores=[])
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cause=Name(id='y', ctx=Load()))])
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.. class:: Assert(test, msg)
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@ -987,8 +974,7 @@ Statements
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body=[
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Assert(
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test=Name(id='x', ctx=Load()),
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msg=Name(id='y', ctx=Load()))],
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type_ignores=[])
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msg=Name(id='y', ctx=Load()))])
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.. class:: Delete(targets)
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@ -1005,8 +991,7 @@ Statements
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targets=[
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Name(id='x', ctx=Del()),
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Name(id='y', ctx=Del()),
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Name(id='z', ctx=Del())])],
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type_ignores=[])
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Name(id='z', ctx=Del())])])
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.. class:: Pass()
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@ -1018,8 +1003,7 @@ Statements
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>>> print(ast.dump(ast.parse('pass'), indent=4))
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Module(
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body=[
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Pass()],
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type_ignores=[])
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Pass()])
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.. class:: TypeAlias(name, type_params, value)
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@ -1036,9 +1020,7 @@ Statements
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body=[
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TypeAlias(
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name=Name(id='Alias', ctx=Store()),
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type_params=[],
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value=Name(id='int', ctx=Load()))],
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type_ignores=[])
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value=Name(id='int', ctx=Load()))])
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.. versionadded:: 3.12
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@ -1061,8 +1043,7 @@ Imports
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names=[
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alias(name='x'),
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alias(name='y'),
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alias(name='z')])],
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type_ignores=[])
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alias(name='z')])])
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.. class:: ImportFrom(module, names, level)
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@ -1083,8 +1064,7 @@ Imports
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alias(name='x'),
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alias(name='y'),
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alias(name='z')],
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level=0)],
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type_ignores=[])
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level=0)])
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.. class:: alias(name, asname)
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@ -1102,8 +1082,7 @@ Imports
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names=[
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alias(name='a', asname='b'),
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alias(name='c')],
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level=2)],
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type_ignores=[])
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level=2)])
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Control flow
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^^^^^^^^^^^^
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@ -1146,8 +1125,7 @@ Control flow
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value=Constant(value=Ellipsis))],
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orelse=[
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Expr(
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value=Constant(value=Ellipsis))])])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. class:: For(target, iter, body, orelse, type_comment)
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@ -1181,8 +1159,7 @@ Control flow
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value=Constant(value=Ellipsis))],
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orelse=[
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Expr(
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value=Constant(value=Ellipsis))])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])
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.. class:: While(test, body, orelse)
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@ -1207,8 +1184,7 @@ Control flow
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value=Constant(value=Ellipsis))],
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orelse=[
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Expr(
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value=Constant(value=Ellipsis))])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])
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.. class:: Break
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@ -1242,9 +1218,7 @@ Control flow
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body=[
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Break()],
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orelse=[
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Continue()])],
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orelse=[])],
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type_ignores=[])
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Continue()])])])
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.. class:: Try(body, handlers, orelse, finalbody)
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@ -1289,8 +1263,7 @@ Control flow
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value=Constant(value=Ellipsis))],
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finalbody=[
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Expr(
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value=Constant(value=Ellipsis))])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])
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.. class:: TryStar(body, handlers, orelse, finalbody)
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@ -1318,10 +1291,7 @@ Control flow
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type=Name(id='Exception', ctx=Load()),
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body=[
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Expr(
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value=Constant(value=Ellipsis))])],
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orelse=[],
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finalbody=[])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. versionadded:: 3.11
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@ -1353,10 +1323,7 @@ Control flow
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ExceptHandler(
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type=Name(id='TypeError', ctx=Load()),
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body=[
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Pass()])],
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orelse=[],
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finalbody=[])],
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type_ignores=[])
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Pass()])])])
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.. class:: With(items, body, type_comment)
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@ -1398,9 +1365,7 @@ Control flow
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func=Name(id='something', ctx=Load()),
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args=[
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Name(id='b', ctx=Load()),
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Name(id='d', ctx=Load())],
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keywords=[]))])],
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type_ignores=[])
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Name(id='d', ctx=Load())]))])])
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Pattern matching
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@ -1457,14 +1422,10 @@ Pattern matching
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value=Constant(value=Ellipsis))]),
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match_case(
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pattern=MatchClass(
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cls=Name(id='tuple', ctx=Load()),
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patterns=[],
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kwd_attrs=[],
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kwd_patterns=[]),
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cls=Name(id='tuple', ctx=Load())),
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body=[
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Expr(
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value=Constant(value=Ellipsis))])])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. versionadded:: 3.10
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@ -1492,8 +1453,7 @@ Pattern matching
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value=Constant(value='Relevant')),
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body=[
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Expr(
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value=Constant(value=Ellipsis))])])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. versionadded:: 3.10
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@ -1519,8 +1479,7 @@ Pattern matching
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pattern=MatchSingleton(value=None),
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body=[
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Expr(
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value=Constant(value=Ellipsis))])])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. versionadded:: 3.10
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@ -1552,8 +1511,7 @@ Pattern matching
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value=Constant(value=2))]),
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body=[
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Expr(
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value=Constant(value=Ellipsis))])])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. versionadded:: 3.10
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@ -1594,8 +1552,7 @@ Pattern matching
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MatchStar()]),
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body=[
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Expr(
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value=Constant(value=Ellipsis))])])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. versionadded:: 3.10
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@ -1639,11 +1596,10 @@ Pattern matching
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Expr(
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value=Constant(value=Ellipsis))]),
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match_case(
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pattern=MatchMapping(keys=[], patterns=[], rest='rest'),
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pattern=MatchMapping(rest='rest'),
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body=[
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Expr(
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value=Constant(value=Ellipsis))])])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. versionadded:: 3.10
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@ -1685,16 +1641,13 @@ Pattern matching
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MatchValue(
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value=Constant(value=0)),
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MatchValue(
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value=Constant(value=0))],
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kwd_attrs=[],
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kwd_patterns=[]),
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value=Constant(value=0))]),
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body=[
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Expr(
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value=Constant(value=Ellipsis))]),
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match_case(
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pattern=MatchClass(
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cls=Name(id='Point3D', ctx=Load()),
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patterns=[],
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kwd_attrs=[
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'x',
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'y',
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@ -1708,8 +1661,7 @@ Pattern matching
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value=Constant(value=0))]),
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body=[
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Expr(
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value=Constant(value=Ellipsis))])])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. versionadded:: 3.10
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@ -1751,8 +1703,7 @@ Pattern matching
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pattern=MatchAs(),
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body=[
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Expr(
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value=Constant(value=Ellipsis))])])],
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type_ignores=[])
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value=Constant(value=Ellipsis))])])])
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.. versionadded:: 3.10
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@ -1785,8 +1736,7 @@ Pattern matching
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MatchAs(name='y')]),
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body=[
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Expr(
|
||||
value=Constant(value=Ellipsis))])])],
|
||||
type_ignores=[])
|
||||
value=Constant(value=Ellipsis))])])])
|
||||
|
||||
.. versionadded:: 3.10
|
||||
|
||||
|
|
@ -1818,8 +1768,7 @@ aliases.
|
|||
value=Subscript(
|
||||
value=Name(id='list', ctx=Load()),
|
||||
slice=Name(id='T', ctx=Load()),
|
||||
ctx=Load()))],
|
||||
type_ignores=[])
|
||||
ctx=Load()))])
|
||||
|
||||
.. versionadded:: 3.12
|
||||
|
||||
|
|
@ -1843,8 +1792,7 @@ aliases.
|
|||
Name(id='P', ctx=Load()),
|
||||
Name(id='int', ctx=Load())],
|
||||
ctx=Load()),
|
||||
ctx=Load()))],
|
||||
type_ignores=[])
|
||||
ctx=Load()))])
|
||||
|
||||
.. versionadded:: 3.12
|
||||
|
||||
|
|
@ -1869,8 +1817,7 @@ aliases.
|
|||
value=Name(id='Ts', ctx=Load()),
|
||||
ctx=Load())],
|
||||
ctx=Load()),
|
||||
ctx=Load()))],
|
||||
type_ignores=[])
|
||||
ctx=Load()))])
|
||||
|
||||
.. versionadded:: 3.12
|
||||
|
||||
|
|
@ -1910,15 +1857,10 @@ Function and class definitions
|
|||
Expr(
|
||||
value=Lambda(
|
||||
args=arguments(
|
||||
posonlyargs=[],
|
||||
args=[
|
||||
arg(arg='x'),
|
||||
arg(arg='y')],
|
||||
kwonlyargs=[],
|
||||
kw_defaults=[],
|
||||
defaults=[]),
|
||||
body=Constant(value=Ellipsis)))],
|
||||
type_ignores=[])
|
||||
arg(arg='y')]),
|
||||
body=Constant(value=Ellipsis)))])
|
||||
|
||||
|
||||
.. class:: arguments(posonlyargs, args, vararg, kwonlyargs, kw_defaults, kwarg, defaults)
|
||||
|
|
@ -1957,7 +1899,6 @@ Function and class definitions
|
|||
FunctionDef(
|
||||
name='f',
|
||||
args=arguments(
|
||||
posonlyargs=[],
|
||||
args=[
|
||||
arg(
|
||||
arg='a',
|
||||
|
|
@ -1980,9 +1921,7 @@ Function and class definitions
|
|||
decorator_list=[
|
||||
Name(id='decorator1', ctx=Load()),
|
||||
Name(id='decorator2', ctx=Load())],
|
||||
returns=Constant(value='return annotation'),
|
||||
type_params=[])],
|
||||
type_ignores=[])
|
||||
returns=Constant(value='return annotation'))])
|
||||
|
||||
|
||||
.. class:: Return(value)
|
||||
|
|
@ -1995,8 +1934,7 @@ Function and class definitions
|
|||
Module(
|
||||
body=[
|
||||
Return(
|
||||
value=Constant(value=4))],
|
||||
type_ignores=[])
|
||||
value=Constant(value=4))])
|
||||
|
||||
|
||||
.. class:: Yield(value)
|
||||
|
|
@ -2012,16 +1950,14 @@ Function and class definitions
|
|||
body=[
|
||||
Expr(
|
||||
value=Yield(
|
||||
value=Name(id='x', ctx=Load())))],
|
||||
type_ignores=[])
|
||||
value=Name(id='x', ctx=Load())))])
|
||||
|
||||
>>> print(ast.dump(ast.parse('yield from x'), indent=4))
|
||||
Module(
|
||||
body=[
|
||||
Expr(
|
||||
value=YieldFrom(
|
||||
value=Name(id='x', ctx=Load())))],
|
||||
type_ignores=[])
|
||||
value=Name(id='x', ctx=Load())))])
|
||||
|
||||
|
||||
.. class:: Global(names)
|
||||
|
|
@ -2038,8 +1974,7 @@ Function and class definitions
|
|||
names=[
|
||||
'x',
|
||||
'y',
|
||||
'z'])],
|
||||
type_ignores=[])
|
||||
'z'])])
|
||||
|
||||
>>> print(ast.dump(ast.parse('nonlocal x,y,z'), indent=4))
|
||||
Module(
|
||||
|
|
@ -2048,8 +1983,7 @@ Function and class definitions
|
|||
names=[
|
||||
'x',
|
||||
'y',
|
||||
'z'])],
|
||||
type_ignores=[])
|
||||
'z'])])
|
||||
|
||||
|
||||
.. class:: ClassDef(name, bases, keywords, body, decorator_list, type_params)
|
||||
|
|
@ -2089,9 +2023,7 @@ Function and class definitions
|
|||
Pass()],
|
||||
decorator_list=[
|
||||
Name(id='decorator1', ctx=Load()),
|
||||
Name(id='decorator2', ctx=Load())],
|
||||
type_params=[])],
|
||||
type_ignores=[])
|
||||
Name(id='decorator2', ctx=Load())])])
|
||||
|
||||
.. versionchanged:: 3.12
|
||||
Added ``type_params``.
|
||||
|
|
@ -2123,22 +2055,12 @@ Async and await
|
|||
body=[
|
||||
AsyncFunctionDef(
|
||||
name='f',
|
||||
args=arguments(
|
||||
posonlyargs=[],
|
||||
args=[],
|
||||
kwonlyargs=[],
|
||||
kw_defaults=[],
|
||||
defaults=[]),
|
||||
args=arguments(),
|
||||
body=[
|
||||
Expr(
|
||||
value=Await(
|
||||
value=Call(
|
||||
func=Name(id='other_func', ctx=Load()),
|
||||
args=[],
|
||||
keywords=[])))],
|
||||
decorator_list=[],
|
||||
type_params=[])],
|
||||
type_ignores=[])
|
||||
func=Name(id='other_func', ctx=Load()))))])])
|
||||
|
||||
|
||||
.. class:: AsyncFor(target, iter, body, orelse, type_comment)
|
||||
|
|
@ -2425,7 +2347,7 @@ and classes for traversing abstract syntax trees:
|
|||
node = YourTransformer().visit(node)
|
||||
|
||||
|
||||
.. function:: dump(node, annotate_fields=True, include_attributes=False, *, indent=None)
|
||||
.. function:: dump(node, annotate_fields=True, include_attributes=False, *, indent=None, show_empty=False)
|
||||
|
||||
Return a formatted dump of the tree in *node*. This is mainly useful for
|
||||
debugging purposes. If *annotate_fields* is true (by default),
|
||||
|
|
@ -2442,9 +2364,42 @@ and classes for traversing abstract syntax trees:
|
|||
indents that many spaces per level. If *indent* is a string (such as ``"\t"``),
|
||||
that string is used to indent each level.
|
||||
|
||||
If *show_empty* is ``False`` (the default), empty lists and fields that are ``None``
|
||||
will be omitted from the output.
|
||||
|
||||
.. versionchanged:: 3.9
|
||||
Added the *indent* option.
|
||||
|
||||
.. versionchanged:: 3.13
|
||||
Added the *show_empty* option.
|
||||
|
||||
.. doctest::
|
||||
|
||||
>>> print(ast.dump(ast.parse("""\
|
||||
... async def f():
|
||||
... await other_func()
|
||||
... """), indent=4, show_empty=True))
|
||||
Module(
|
||||
body=[
|
||||
AsyncFunctionDef(
|
||||
name='f',
|
||||
args=arguments(
|
||||
posonlyargs=[],
|
||||
args=[],
|
||||
kwonlyargs=[],
|
||||
kw_defaults=[],
|
||||
defaults=[]),
|
||||
body=[
|
||||
Expr(
|
||||
value=Await(
|
||||
value=Call(
|
||||
func=Name(id='other_func', ctx=Load()),
|
||||
args=[],
|
||||
keywords=[])))],
|
||||
decorator_list=[],
|
||||
type_params=[])],
|
||||
type_ignores=[])
|
||||
|
||||
|
||||
.. _ast-compiler-flags:
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue