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PEP 828: Implement visit_AsyncYieldFrom in Python unparse #11

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Merged
ZeroIntensity merged 1 commit into from
May 3, 2026
+9 −1
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PEP 828: Implement visit_AsyncYieldFrom in Python unparse #11

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10 changes: 9 additions & 1 deletion Lib/_ast_unparse.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ class _Precedence:

NAMED_EXPR = auto() # <target> := <expr1>
TUPLE = auto() # <expr1>, <expr2>
YIELD = auto() # 'yield', 'yield from'
YIELD = auto() # 'yield', 'yield from', 'async yield from'
TEST = auto() # 'if'-'else', 'lambda'
OR = auto() # 'or'
AND = auto() # 'and'
Expand Down Expand Up @@ -334,6 +334,14 @@ def visit_YieldFrom(self, node):
self.set_precedence(_Precedence.ATOM, node.value)
self.traverse(node.value)

def visit_AsyncYieldFrom(self, node):
with self.require_parens(_Precedence.YIELD, node):
self.write("async yield from ")
if not node.value:
raise ValueError("Node can't be used without a value attribute.")
self.set_precedence(_Precedence.ATOM, node.value)
self.traverse(node.value)

def visit_Raise(self, node):
self.fill("raise")
if not node.exc:
Expand Down