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'''
Abstract syntax tree classes.
This is designed to replace the stdlib ast module.
Unlike the stdlib module, it is version independent.
The classes in this file are based on the corresponding types in the cpython interpreter, copyright PSF.
'''
class
AstBase
(
object
):
__slots__
=
"lineno"
,
"col_offset"
,
"_end"
,
def
__repr__
(
self
):
args
=
","
.
join
(
repr
(
getattr
(
self
,
field
,
None
))
for
field
in
self
.
__slots__
)
return
"%s(%s)"
%
(
self
.
__class__
.
__name__
,
args
)
class
Class
(
AstBase
):
'AST node representing a class definition'
__slots__
=
"name"
,
"body"
,
def
__init__
(
self
,
name
,
body
):
self
.
name
=
name
self
.
body
=
body
class
Function
(
AstBase
):
'AST node representing a function definition'
__slots__
=
"is_async"
,
"name"
,
"type_parameters"
,
"args"
,
"vararg"
,
"kwonlyargs"
,
"kwarg"
,
"body"
,
def
__init__
(
self
,
name
,
type_parameters
,
args
,
vararg
,
kwonlyargs
,
kwarg
,
body
,
is_async
=
False
):
self
.
name
=
name
self
.
type_parameters
=
type_parameters
self
.
args
=
args
self
.
vararg
=
vararg
self
.
kwonlyargs
=
kwonlyargs
self
.
kwarg
=
kwarg
self
.
body
=
body
self
.
is_async
=
is_async
class
Module
(
AstBase
):
def
__init__
(
self
,
body
):
self
.
body
=
body
class
StringPart
(
AstBase
):
'''Implicitly concatenated part of string literal'''
__slots__
=
"prefix"
,
"text"
,
"s"
,
def
__init__
(
self
,
prefix
,
text
,
s
):
self
.
prefix
=
prefix
self
.
text
=
text
self
.
s
=
s
class
TemplateStringPart
(
AstBase
):
'''A string constituent of a template string literal'''
__slots__
=
"text"
,
"s"
,
def
__init__
(
self
,
text
,
s
):
self
.
text
=
text
self
.
s
=
s
class
alias
(
AstBase
):
__slots__
=
"value"
,
"asname"
,
def
__init__
(
self
,
value
,
asname
):
self
.
value
=
value
self
.
asname
=
asname
class
arguments
(
AstBase
):
__slots__
=
"defaults"
,
"kw_defaults"
,
"annotations"
,
"varargannotation"
,
"kwargannotation"
,
"kw_annotations"
,
def
__init__
(
self
,
defaults
,
kw_defaults
,
annotations
,
varargannotation
,
kwargannotation
,
kw_annotations
):
if
len
(
defaults
)
!=
len
(
annotations
):
raise
AssertionError
(
'len(defaults) != len(annotations)'
)
if
len
(
kw_defaults
)
!=
len
(
kw_annotations
):
raise
AssertionError
(
'len(kw_defaults) != len(kw_annotations)'
)
self
.
kw_defaults
=
kw_defaults
self
.
defaults
=
defaults
self
.
annotations
=
annotations
self
.
varargannotation
=
varargannotation
self
.
kwargannotation
=
kwargannotation
self
.
kw_annotations
=
kw_annotations
class
boolop
(
AstBase
):
pass
class
cmpop
(
AstBase
):
pass
class
comprehension
(
AstBase
):
__slots__
=
"is_async"
,
"target"
,
"iter"
,
"ifs"
,
def
__init__
(
self
,
target
,
iter
,
ifs
,
is_async
=
False
):
self
.
target
=
target
self
.
iter
=
iter
self
.
ifs
=
ifs
self
.
is_async
=
is_async
class
dict_item
(
AstBase
):
pass
class
type_parameter
(
AstBase
):
pass
class
expr
(
AstBase
):
__slots__
=
"parenthesised"
,
class
expr_context
(
AstBase
):
pass
class
operator
(
AstBase
):
pass
class
stmt
(
AstBase
):
pass
class
unaryop
(
AstBase
):
pass
class
pattern
(
AstBase
):
__slots__
=
"parenthesised"
,
class
And
(
boolop
):
pass
class
Or
(
boolop
):
pass
class
Eq
(
cmpop
):
pass
class
Gt
(
cmpop
):
pass
class
GtE
(
cmpop
):
pass
class
In
(
cmpop
):
pass
class
Is
(
cmpop
):
pass
class
IsNot
(
cmpop
):
pass
class
Lt
(
cmpop
):
pass
class
LtE
(
cmpop
):
pass
class
NotEq
(
cmpop
):
pass
class
NotIn
(
cmpop
):
pass
class
DictUnpacking
(
dict_item
):
__slots__
=
"value"
,
def
__init__
(
self
,
value
):
self
.
value
=
value
class
KeyValuePair
(
dict_item
):
__slots__
=
"key"
,
"value"
,
def
__init__
(
self
,
key
,
value
):
self
.
key
=
key
self
.
value
=
value
class
keyword
(
dict_item
):
__slots__
=
"arg"
,
"value"
,
def
__init__
(
self
,
arg
,
value
):
self
.
arg
=
arg
self
.
value
=
value
class
AssignExpr
(
expr
):
__slots__
=
"target"
,
"value"
,
def
__init__
(
self
,
value
,
target
):
self
.
value
=
value
self
.
target
=
target
class
Attribute
(
expr
):
__slots__
=
"value"
,
"attr"
,
"ctx"
,
def
__init__
(
self
,
value
,
attr
,
ctx
):
self
.
value
=
value
self
.
attr
=
attr
self
.
ctx
=
ctx
class
Await
(
expr
):
__slots__
=
"value"
,
def
__init__
(
self
,
value
):
self
.
value
=
value
class
BinOp
(
expr
):
__slots__
=
"left"
,
"op"
,
"right"
,
def
__init__
(
self
,
left
,
op
,
right
):
self
.
left
=
left
self
.
op
=
op
self
.
right
=
right
class
BoolOp
(
expr
):
__slots__
=
"op"
,
"values"
,
def
__init__
(
self
,
op
,
values
):
self
.
op
=
op
self
.
values
=
values
class
Bytes
(
expr
):
__slots__
=
"s"
,
"prefix"
,
"implicitly_concatenated_parts"
,
def
__init__
(
self
,
s
,
prefix
,
implicitly_concatenated_parts
):
self
.
s
=
s
self
.
prefix
=
prefix
self
.
implicitly_concatenated_parts
=
implicitly_concatenated_parts
class
Call
(
expr
):
__slots__
=
"func"
,
"positional_args"
,
"named_args"
,
def
__init__
(
self
,
func
,
positional_args
,
named_args
):
self
.
func
=
func
self
.
positional_args
=
positional_args
self
.
named_args
=
named_args
class
ClassExpr
(
expr
):
'AST node representing class creation'
__slots__
=
"name"
,
"type_parameters"
,
"bases"
,
"keywords"
,
"inner_scope"
,
def
__init__
(
self
,
name
,
type_parameters
,
bases
,
keywords
,
inner_scope
):
self
.
name
=
name
self
.
type_parameters
=
type_parameters
self
.
bases
=
bases
self
.
keywords
=
keywords
self
.
inner_scope
=
inner_scope
class
Compare
(
expr
):
__slots__
=
"left"
,
"ops"
,
"comparators"
,
def
__init__
(
self
,
left
,
ops
,
comparators
):
self
.
left
=
left
self
.
ops
=
ops
self
.
comparators
=
comparators
class
Dict
(
expr
):
__slots__
=
"items"
,
def
__init__
(
self
,
items
):
self
.
items
=
items
class
DictComp
(
expr
):
__slots__
=
"key"
,
"value"
,
"generators"
,
"function"
,
"iterable"
,
def
__init__
(
self
,
key
,
value
,
generators
):
self
.
key
=
key
self
.
value
=
value
self
.
generators
=
generators
class
Ellipsis
(
expr
):
pass
class
Filter
(
expr
):
'''Filtered expression in a template'''
__slots__
=
"value"
,
"filter"
,
def
__init__
(
self
,
value
,
filter
):
self
.
value
=
value
self
.
filter
=
filter
class
FormattedValue
(
expr
):
__slots__
=
"value"
,
"conversion"
,
"format_spec"
,
def
__init__
(
self
,
value
,
conversion
,
format_spec
):
self
.
value
=
value
self
.
conversion
=
conversion
self
.
format_spec
=
format_spec
class
FunctionExpr
(
expr
):
'AST node representing function creation'
__slots__
=
"name"
,
"args"
,
"returns"
,
"inner_scope"
,
def
__init__
(
self
,
name
,
args
,
returns
,
inner_scope
):
self
.
name
=
name
self
.
args
=
args
self
.
returns
=
returns
self
.
inner_scope
=
inner_scope
class
GeneratorExp
(
expr
):
__slots__
=
"elt"
,
"generators"
,
"function"
,
"iterable"
,
def
__init__
(
self
,
elt
,
generators
):
self
.
elt
=
elt
self
.
generators
=
generators
class
IfExp
(
expr
):
__slots__
=
"test"
,
"body"
,
"orelse"
,
def
__init__
(
self
,
test
,
body
,
orelse
):
self
.
test
=
test
self
.
body
=
body
self
.
orelse
=
orelse
class
ImportExpr
(
expr
):
'''AST node representing module import
(roughly equivalent to the runtime call to __import__)'''
__slots__
=
"level"
,
"name"
,
"top"
,
def
__init__
(
self
,
level
,
name
,
top
):
self
.
level
=
level
self
.
name
=
name
self
.
top
=
top
class
ImportMember
(
expr
):
'''AST node representing 'from import'. Similar to Attribute access,
but during import'''
__slots__
=
"module"
,
"name"
,
def
__init__
(
self
,
module
,
name
):
self
.
module
=
module
self
.
name
=
name
class
JoinedStr
(
expr
):
__slots__
=
"values"
,
def
__init__
(
self
,
values
):
self
.
values
=
values
class
TemplateString
(
expr
):
__slots__
=
"prefix"
,
"values"
,
def
__init__
(
self
,
prefix
,
values
):
self
.
prefix
=
prefix
self
.
values
=
values
class
JoinedTemplateString
(
expr
):
__slots__
=
"strings"
,
def
__init__
(
self
,
strings
):
self
.
strings
=
strings
class
Lambda
(
expr
):
__slots__
=
"args"
,
"inner_scope"
,
def
__init__
(
self
,
args
,
inner_scope
):
self
.
args
=
args
self
.
inner_scope
=
inner_scope
class
List
(
expr
):
__slots__
=
"elts"
,
"ctx"
,
def
__init__
(
self
,
elts
,
ctx
):
self
.
elts
=
elts
self
.
ctx
=
ctx
class
ListComp
(
expr
):
__slots__
=
"elt"
,
"generators"
,
"function"
,
"iterable"
,
def
__init__
(
self
,
elt
,
generators
):
self
.
elt
=
elt
self
.
generators
=
generators
class
Match
(
stmt
):
__slots__
=
"subject"
,
"cases"
,
def
__init__
(
self
,
subject
,
cases
):
self
.
subject
=
subject
self
.
cases
=
cases
class
Case
(
stmt
):
__slots__
=
"pattern"
,
"guard"
,
"body"
,
def
__init__
(
self
,
pattern
,
guard
,
body
):
self
.
pattern
=
pattern
self
.
guard
=
guard
self
.
body
=
body
class
Guard
(
expr
):
__slots__
=
"test"
,
def
__init__
(
self
,
test
):
self
.
test
=
test
class
MatchAsPattern
(
pattern
):
__slots__
=
"pattern"
,
"alias"
,
def
__init__
(
self
,
pattern
,
alias
):
self
.
pattern
=
pattern
self
.
alias
=
alias
class
MatchOrPattern
(
pattern
):
__slots__
=
"patterns"
,
def
__init__
(
self
,
patterns
):
self
.
patterns
=
patterns
class
MatchLiteralPattern
(
pattern
):
__slots__
=
"literal"
,
def
__init__
(
self
,
literal
):
self
.
literal
=
literal
class
MatchCapturePattern
(
pattern
):
__slots__
=
"variable"
,
def
__init__
(
self
,
variable
):
self
.
variable
=
variable
class
MatchWildcardPattern
(
pattern
):
__slots__
=
[]
class
MatchValuePattern
(
pattern
):
__slots__
=
"value"
,
def
__init__
(
self
,
value
):
self
.
value
=
value
class
MatchSequencePattern
(
pattern
):
__slots__
=
"patterns"
,
def
__init__
(
self
,
patterns
):
self
.
patterns
=
patterns
class
MatchStarPattern
(
pattern
):
__slots__
=
"target"
,
def
__init__
(
self
,
target
):
self
.
target
=
target
class
MatchMappingPattern
(
pattern
):
__slots__
=
"mappings"
,
def
__init__
(
self
,
mappings
):
self
.
mappings
=
mappings
class
MatchDoubleStarPattern
(
pattern
):
__slots__
=
"target"
,
def
__init__
(
self
,
target
):
self
.
target
=
target
class
MatchKeyValuePattern
(
pattern
):
__slots__
=
"key"
,
"value"
,
def
__init__
(
self
,
key
,
value
):
self
.
key
=
key
self
.
value
=
value
class
MatchClassPattern
(
pattern
):
__slots__
=
"class_name"
,
"positional"
,
"keyword"
,
def
__init__
(
self
,
class_name
,
positional
,
keyword
):
self
.
class_name
=
class_name
self
.
positional
=
positional
self
.
keyword
=
keyword
class
MatchKeywordPattern
(
pattern
):
__slots__
=
"attribute"
,
"value"
,
def
__init__
(
self
,
attribute
,
value
):
self
.
attribute
=
attribute
self
.
value
=
value
class
Name
(
expr
):
__slots__
=
"variable"
,
"ctx"
,
def
__init__
(
self
,
variable
,
ctx
):
self
.
variable
=
variable
self
.
ctx
=
ctx
@
property
def
id
(
self
):
return
self
.
variable
.
id
class
Num
(
expr
):
__slots__
=
"n"
,
"text"
,
def
__init__
(
self
,
n
,
text
):
self
.
n
=
n
self
.
text
=
text
class
ParamSpec
(
type_parameter
):
__slots__
=
"name"
,
"default"
,
def
__init__
(
self
,
name
,
default
):
self
.
name
=
name
self
.
default
=
default
class
PlaceHolder
(
expr
):
'''PlaceHolder variable in template ($name)'''
__slots__
=
"variable"
,
"ctx"
,
def
__init__
(
self
,
variable
,
ctx
):
self
.
variable
=
variable
self
.
ctx
=
ctx
@
property
def
id
(
self
):
return
self
.
variable
.
id
class
Repr
(
expr
):
__slots__
=
"value"
,
def
__init__
(
self
,
value
):
self
.
value
=
value
class
Set
(
expr
):
__slots__
=
"elts"
,
def
__init__
(
self
,
elts
):
self
.
elts
=
elts
class
SetComp
(
expr
):
__slots__
=
"elt"
,
"generators"
,
"function"
,
"iterable"
,
def
__init__
(
self
,
elt
,
generators
):
self
.
elt
=
elt
self
.
generators
=
generators
class
Slice
(
expr
):
'''AST node for a slice as a subclass of expr to simplify Subscripts'''
__slots__
=
"start"
,
"stop"
,
"step"
,
def
__init__
(
self
,
start
,
stop
,
step
):
self
.
start
=
start
self
.
stop
=
stop
self
.
step
=
step
class
Starred
(
expr
):
__slots__
=
"value"
,
"ctx"
,
def
__init__
(
self
,
value
,
ctx
):
self
.
value
=
value
self
.
ctx
=
ctx
class
Str
(
expr
):
__slots__
=
"s"
,
"prefix"
,
"implicitly_concatenated_parts"
,
def
__init__
(
self
,
s
,
prefix
,
implicitly_concatenated_parts
):
self
.
s
=
s
self
.
prefix
=
prefix
self
.
implicitly_concatenated_parts
=
implicitly_concatenated_parts
class
Subscript
(
expr
):
__slots__
=
"value"
,
"index"
,
"ctx"
,
def
__init__
(
self
,
value
,
index
,
ctx
):
self
.
value
=
value
self
.
index
=
index
self
.
ctx
=
ctx
class
TemplateDottedNotation
(
expr
):
'''Unified dot notation expression in a template'''
__slots__
=
"value"
,
"attr"
,
"ctx"
,
def
__init__
(
self
,
value
,
attr
,
ctx
):
self
.
value
=
value
self
.
attr
=
attr
self
.
ctx
=
ctx
class
Tuple
(
expr
):
__slots__
=
"elts"
,
"ctx"
,
def
__init__
(
self
,
elts
,
ctx
):
self
.
elts
=
elts
self
.
ctx
=
ctx
class
TypeAlias
(
stmt
):
__slots__
=
"name"
,
"type_parameters"
,
"value"
,
def
__init__
(
self
,
name
,
type_parameters
,
value
):
self
.
name
=
name
self
.
type_parameters
=
type_parameters
self
.
value
=
value
class
TypeVar
(
type_parameter
):
__slots__
=
"name"
,
"bound"
,
"default"
def
__init__
(
self
,
name
,
bound
,
default
):
self
.
name
=
name
self
.
bound
=
bound
self
.
default
=
default
class
TypeVarTuple
(
type_parameter
):
__slots__
=
"name"
,
"default"
,
def
__init__
(
self
,
name
,
default
):
self
.
name
=
name
self
.
default
=
default
class
UnaryOp
(
expr
):
__slots__
=
"op"
,
"operand"
,
def
__init__
(
self
,
op
,
operand
):
self
.
op
=
op
self
.
operand
=
operand
class
Yield
(
expr
):
__slots__
=
"value"
,
def
__init__
(
self
,
value
):
self
.
value
=
value
class
YieldFrom
(
expr
):
__slots__
=
"value"
,
def
__init__
(
self
,
value
):
self
.
value
=
value
class
SpecialOperation
(
expr
):
__slots__
=
"name"
,
"arguments"
def
__init__
(
self
,
name
,
arguments
):
self
.
name
=
name
self
.
arguments
=
arguments
class
AugLoad
(
expr_context
):
pass
class
AugStore
(
expr_context
):
pass
class
Del
(
expr_context
):
pass
class
Load
(
expr_context
):
pass
class
Param
(
expr_context
):
pass
class
Store
(
expr_context
):
pass
class
Add
(
operator
):
pass
class
BitAnd
(
operator
):
pass
class
BitOr
(
operator
):
pass
class
BitXor
(
operator
):
pass
class
Div
(
operator
):
pass
class
FloorDiv
(
operator
):
pass
class
LShift
(
operator
):
pass
class
MatMult
(
operator
):
pass
class
Mod
(
operator
):
pass
class
Mult
(
operator
):
pass
class
Pow
(
operator
):
pass
class
RShift
(
operator
):
pass
class
Sub
(
operator
):
pass
class
AnnAssign
(
stmt
):
__slots__
=
"value"
,
"annotation"
,
"target"
,
def
__init__
(
self
,
value
,
annotation
,
target
):
self
.
value
=
value
self
.
annotation
=
annotation
self
.
target
=
target
class
Assert
(
stmt
):
__slots__
=
"test"
,
"msg"
,
def
__init__
(
self
,
test
,
msg
):
self
.
test
=
test
self
.
msg
=
msg
class
Assign
(
stmt
):
__slots__
=
"targets"
,
"value"
,
def
__init__
(
self
,
value
,
targets
):
self
.
value
=
value
assert
isinstance
(
targets
,
list
)
self
.
targets
=
targets
class
AugAssign
(
stmt
):
__slots__
=
"operation"
,
def
__init__
(
self
,
operation
):
self
.
operation
=
operation
class
Break
(
stmt
):
pass
class
Continue
(
stmt
):
pass
class
Delete
(
stmt
):
__slots__
=
"targets"
,
def
__init__
(
self
,
targets
):
self
.
targets
=
targets
class
ExceptStmt
(
stmt
):
'''AST node for except handler, as a subclass of stmt in order
to better support location and flow control'''
__slots__
=
"type"
,
"name"
,
"body"
,
def
__init__
(
self
,
type
,
name
,
body
):
self
.
type
=
type
self
.
name
=
name
self
.
body
=
body
class
ExceptGroupStmt
(
stmt
):
'''AST node for except* handler, as a subclass of stmt in order
to better support location and flow control'''
__slots__
=
"type"
,
"name"
,
"body"
,
def
__init__
(
self
,
type
,
name
,
body
):
self
.
type
=
type
self
.
name
=
name
self
.
body
=
body
class
Exec
(
stmt
):
__slots__
=
"body"
,
"globals"
,
"locals"
,
def
__init__
(
self
,
body
,
globals
,
locals
):
self
.
body
=
body
self
.
globals
=
globals
self
.
locals
=
locals
class
Expr
(
stmt
):
__slots__
=
"value"
,
def
__init__
(
self
,
value
):
self
.
value
=
value
class
For
(
stmt
):
__slots__
=
"is_async"
,
"target"
,
"iter"
,
"body"
,
"orelse"
,
def
__init__
(
self
,
target
,
iter
,
body
,
orelse
,
is_async
=
False
):
self
.
target
=
target
self
.
iter
=
iter
self
.
body
=
body
self
.
orelse
=
orelse
self
.
is_async
=
is_async
class
Global
(
stmt
):
__slots__
=
"names"
,
def
__init__
(
self
,
names
):
self
.
names
=
names
class
If
(
stmt
):
__slots__
=
"test"
,
"body"
,
"orelse"
,
def
__init__
(
self
,
test
,
body
,
orelse
):
self
.
test
=
test
self
.
body
=
body
self
.
orelse
=
orelse
class
Import
(
stmt
):
__slots__
=
"is_lazy"
,
"names"
,
def
__init__
(
self
,
names
,
is_lazy
=
False
):
self
.
names
=
names
self
.
is_lazy
=
is_lazy
class
ImportFrom
(
stmt
):
__slots__
=
"is_lazy"
,
"module"
,
def
__init__
(
self
,
module
,
is_lazy
=
False
):
self
.
module
=
module
self
.
is_lazy
=
is_lazy
class
Nonlocal
(
stmt
):
__slots__
=
"names"
,
def
__init__
(
self
,
names
):
self
.
names
=
names
class
Pass
(
stmt
):
pass
class
Print
(
stmt
):
__slots__
=
"dest"
,
"values"
,
"nl"
,
def
__init__
(
self
,
dest
,
values
,
nl
):
self
.
dest
=
dest
self
.
values
=
values
self
.
nl
=
nl
class
Raise
(
stmt
):
__slots__
=
"exc"
,
"cause"
,
"type"
,
"inst"
,
"tback"
,
class
Return
(
stmt
):
__slots__
=
"value"
,
def
__init__
(
self
,
value
):
self
.
value
=
value
class
TemplateWrite
(
stmt
):
'''Template text'''
__slots__
=
"value"
,
def
__init__
(
self
,
value
):
self
.
value
=
value
class
Try
(
stmt
):
__slots__
=
"body"
,
"orelse"
,
"handlers"
,
"finalbody"
,
def
__init__
(
self
,
body
,
orelse
,
handlers
,
finalbody
):
self
.
body
=
body
self
.
orelse
=
orelse
self
.
handlers
=
handlers
self
.
finalbody
=
finalbody
class
While
(
stmt
):
__slots__
=
"test"
,
"body"
,
"orelse"
,
def
__init__
(
self
,
test
,
body
,
orelse
):
self
.
test
=
test
self
.
body
=
body
self
.
orelse
=
orelse
class
With
(
stmt
):
__slots__
=
"is_async"
,
"context_expr"
,
"optional_vars"
,
"body"
,
def
__init__
(
self
,
context_expr
,
optional_vars
,
body
,
is_async
=
False
):
self
.
context_expr
=
context_expr
self
.
optional_vars
=
optional_vars
self
.
body
=
body
self
.
is_async
=
is_async
class
Invert
(
unaryop
):
pass
class
Not
(
unaryop
):
pass
class
UAdd
(
unaryop
):
pass
class
USub
(
unaryop
):
pass
class
Variable
(
object
):
'A variable'
def
__init__
(
self
,
var_id
,
scope
=
None
):
assert
isinstance
(
var_id
,
str
),
type
(
var_id
)
self
.
id
=
var_id
self
.
scope
=
scope
def
__repr__
(
self
):
return
'Variable(%r, %r)'
%
(
self
.
id
,
self
.
scope
)
def
__eq__
(
self
,
other
):
if
type
(
other
)
is
not
Variable
:
return
False
if
self
.
scope
is
None
or
other
.
scope
is
None
:
raise
TypeError
(
"Scope not set"
)
return
self
.
scope
==
other
.
scope
and
self
.
id
==
other
.
id
def
__ne__
(
self
,
other
):
return
not
self
==
other
def
__hash__
(
self
):
if
self
.
scope
is
None
:
raise
TypeError
(
"Scope not set"
)
return
391246
^
hash
(
self
.
id
)
^
hash
(
self
.
scope
)
def
is_global
(
self
):
return
isinstance
(
self
.
scope
,
Module
)
def
iter_fields
(
node
):
for
name
in
node
.
__slots__
:
if
hasattr
(
node
,
name
):
yield
name
,
getattr
(
node
,
name
)
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