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bpo-44676: Add ability to serialize types.Union (GH-27244)

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Yurii Karabas 2021-07-23 12:47:00 +03:00 • committed by GitHub
parent 7d25254cf0
commit fe13f0b0f6
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4 changed files with 90 additions and 2 deletions
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Lib/typing.py
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@ -329,7 +329,7 @@ def _eval_type(t, globalns, localns, recursive_guard=frozenset()):
if isinstance(t, GenericAlias):
return GenericAlias(t.__origin__, ev_args)
if isinstance(t, types.Union):
return functools.reduce(operator.or_, ev_args)
return types.Union._from_args(ev_args)
else:
return t.copy_with(ev_args)
return t
@ -1808,7 +1808,7 @@ def _strip_annotations(t):
stripped_args = tuple(_strip_annotations(a) for a in t.__args__)
if stripped_args == t.__args__:
return t
return functools.reduce(operator.or_, stripped_args)
return types.Union._from_args(stripped_args)
return t