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authorGuido van Rossum <guido@python.org>2016-04-05 21:54:25 (GMT)
committerGuido van Rossum <guido@python.org>2016-04-05 21:54:25 (GMT)
commit0e0563ca2c6d67126f33ea077ddea19af71f14eb (patch)
tree29ee4d631e64e371d582b930ea3401b6ef2ec2d7
parentbd5b9a074241c6146bdcacef9a1e84f48c7c8d8a (diff)
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Add Text=str. Make ItemsView derive from AbstractSet, not Set (which is the concrete set).
-rw-r--r--Lib/typing.py7
1 files changed, 6 insertions, 1 deletions
diff --git a/Lib/typing.py b/Lib/typing.py
index de2a462..6ead3c4 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -65,6 +65,7 @@ __all__ = [
'no_type_check',
'no_type_check_decorator',
'overload',
+ 'Text',
]
# The pseudo-submodules 're' and 'io' are part of the public
@@ -1519,7 +1520,7 @@ class KeysView(MappingView[KT], AbstractSet[KT],
class ItemsView(MappingView[Tuple[KT, VT_co]],
- Set[Tuple[KT, VT_co]],
+ AbstractSet[Tuple[KT, VT_co]],
Generic[KT, VT_co],
extra=collections_abc.ItemsView):
pass
@@ -1592,6 +1593,10 @@ def NamedTuple(typename, fields):
return cls
+# Python-version-specific alias (Python 2: unicode; Python 3: str)
+Text = str
+
+
class IO(Generic[AnyStr]):
"""Generic base class for TextIO and BinaryIO.