Add from_number for float, complex, and Fraction (3.14) (#14091)

stdlib/@tests/stubtest_allowlists/py314.txt

@@ -27,8 +27,6 @@ asyncio.tasks.eager_task_factory
 builtins.bytearray.resize
 builtins.classmethod.__annotate__
 builtins.classmethod.__class_getitem__
-builtins.complex.from_number
-builtins.float.from_number
 builtins.int.__round__
 builtins.memoryview.__class_getitem__
 builtins.staticmethod.__annotate__
@@ -56,7 +54,6 @@ enum.EnumType.__signature__
 faulthandler.dump_c_stack
 fractions.Fraction.__pow__
 fractions.Fraction.__rpow__
-fractions.Fraction.from_number
 gzip.GzipFile.readinto
 gzip.GzipFile.readinto1
 gzip.compress

stdlib/builtins.pyi

@@ -400,6 +400,9 @@ class float:
     def __abs__(self) -> float: ...
     def __hash__(self) -> int: ...
     def __bool__(self) -> bool: ...
+    if sys.version_info >= (3, 14):
+        @classmethod
+        def from_number(cls, number: float | SupportsIndex | SupportsFloat, /) -> Self: ...
 
 class complex:
     # Python doesn't currently accept SupportsComplex for the second argument
@@ -435,6 +438,9 @@ class complex:
     def __bool__(self) -> bool: ...
     if sys.version_info >= (3, 11):
         def __complex__(self) -> complex: ...
+    if sys.version_info >= (3, 14):
+        @classmethod
+        def from_number(cls, number: complex | SupportsComplex | SupportsFloat | SupportsIndex, /) -> Self: ...
 
 class _FormatMapMapping(Protocol):
     def __getitem__(self, key: str, /) -> Any: ...

stdlib/fractions.pyi

@@ -145,3 +145,6 @@ class Fraction(Rational):
     @property
     def imag(self) -> Literal[0]: ...
     def conjugate(self) -> Fraction: ...
+    if sys.version_info >= (3, 14):
+        @classmethod
+        def from_number(cls, number: float | Rational | _ConvertibleToIntegerRatio) -> Self: ...