downgrade typing_extensions for 3.7

Author: madhur-ob

metaflow/_vendor/v3_7/typing_extensions.py

@@ -953,21 +953,6 @@ def __round__(self, ndigits: int = 0) -> T_co:
             pass
 
 
-def _ensure_subclassable(mro_entries):
-    def inner(func):
-        if sys.implementation.name == "pypy" and sys.version_info < (3, 9):
-            cls_dict = {
-                "__call__": staticmethod(func),
-                "__mro_entries__": staticmethod(mro_entries)
-            }
-            t = type(func.__name__, (), cls_dict)
-            return functools.update_wrapper(t(), func)
-        else:
-            func.__mro_entries__ = mro_entries
-            return func
-    return inner
-
-
 if sys.version_info >= (3, 13):
     # The standard library TypedDict in Python 3.8 does not store runtime information
     # about which (if any) keys are optional.  See https://bugs.python.org/issue38834
@@ -1074,9 +1059,6 @@ def __subclasscheck__(cls, other):
 
         __instancecheck__ = __subclasscheck__
 
-    _TypedDict = type.__new__(_TypedDictMeta, 'TypedDict', (), {})
-
-    @_ensure_subclassable(lambda bases: (_TypedDict,))
     def TypedDict(__typename, __fields=_marker, *, total=True, **kwargs):
         """A simple typed namespace. At runtime it is equivalent to a plain dict.
 
@@ -1160,6 +1142,9 @@ class Point2D(TypedDict):
         td.__orig_bases__ = (TypedDict,)
         return td
 
+    _TypedDict = type.__new__(_TypedDictMeta, 'TypedDict', (), {})
+    TypedDict.__mro_entries__ = lambda bases: (_TypedDict,)
+
     if hasattr(typing, "_TypedDictMeta"):
         _TYPEDDICT_TYPES = (typing._TypedDictMeta, _TypedDictMeta)
     else:
@@ -2648,13 +2633,6 @@ def __new__(cls, typename, bases, ns):
                 nm_tpl.__init_subclass__()
             return nm_tpl
 
-    _NamedTuple = type.__new__(_NamedTupleMeta, 'NamedTuple', (), {})
-
-    def _namedtuple_mro_entries(bases):
-        assert NamedTuple in bases
-        return (_NamedTuple,)
-
-    @_ensure_subclassable(_namedtuple_mro_entries)
     def NamedTuple(__typename, __fields=_marker, **kwargs):
         """Typed version of namedtuple.
 
@@ -2720,15 +2698,19 @@ class Employee(NamedTuple):
         nt.__orig_bases__ = (NamedTuple,)
         return nt
 
+    _NamedTuple = type.__new__(_NamedTupleMeta, 'NamedTuple', (), {})
+
     # On 3.8+, alter the signature so that it matches typing.NamedTuple.
     # The signature of typing.NamedTuple on >=3.8 is invalid syntax in Python 3.7,
     # so just leave the signature as it is on 3.7.
     if sys.version_info >= (3, 8):
-        _new_signature = '(typename, fields=None, /, **kwargs)'
-        if isinstance(NamedTuple, _types.FunctionType):
-            NamedTuple.__text_signature__ = _new_signature
-        else:
-            NamedTuple.__call__.__text_signature__ = _new_signature
+        NamedTuple.__text_signature__ = '(typename, fields=None, /, **kwargs)'
+
+    def _namedtuple_mro_entries(bases):
+        assert NamedTuple in bases
+        return (_NamedTuple,)
+
+    NamedTuple.__mro_entries__ = _namedtuple_mro_entries
 
 
 if hasattr(collections.abc, "Buffer"):
@@ -3004,8 +2986,7 @@ def is_protocol(__tp: type) -> bool:
         return (
             isinstance(__tp, type)
             and getattr(__tp, '_is_protocol', False)
-            and __tp is not Protocol
-            and __tp is not getattr(typing, "Protocol", object())
+            and __tp != Protocol
         )
 
     def get_protocol_members(__tp: type) -> typing.FrozenSet[str]:

metaflow/_vendor/vendor_v3_7.txt

@@ -1,2 +1,2 @@
 typeguard==4.1.2
-typing_extensions==4.7.1
+typing_extensions==4.7.0