Merge pull request #276 from guan404ming/stub-numpy.random._pickle

🏷️ stub numpy.random._pickle

Author: jorenham

src/numpy-stubs/random/_pickle.pyi

@@ -0,0 +1,43 @@
+from collections.abc import Callable
+from typing import Final, Literal, TypeVar, TypedDict, overload, type_check_only
+
+from numpy.random._generator import Generator
+from numpy.random._mt19937 import MT19937
+from numpy.random._pcg64 import PCG64, PCG64DXSM
+from numpy.random._philox import Philox
+from numpy.random._sfc64 import SFC64
+from numpy.random.bit_generator import BitGenerator
+from numpy.random.mtrand import RandomState
+
+_T = TypeVar("_T", bound=BitGenerator)
+
+@type_check_only
+class _BitGenerators(TypedDict):
+    MT19937: type[MT19937]
+    PCG64: type[PCG64]
+    PCG64DXSM: type[PCG64DXSM]
+    Philox: type[Philox]
+    SFC64: type[SFC64]
+
+BitGenerators: Final[_BitGenerators] = ...
+
+@overload
+def __bit_generator_ctor(bit_generator: Literal["MT19937"] = "MT19937") -> MT19937: ...
+@overload
+def __bit_generator_ctor(bit_generator: Literal["PCG64"]) -> PCG64: ...
+@overload
+def __bit_generator_ctor(bit_generator: Literal["PCG64DXSM"]) -> PCG64DXSM: ...
+@overload
+def __bit_generator_ctor(bit_generator: Literal["Philox"]) -> Philox: ...
+@overload
+def __bit_generator_ctor(bit_generator: Literal["SFC64"]) -> SFC64: ...
+@overload
+def __bit_generator_ctor(bit_generator: type[_T]) -> _T: ...
+def __generator_ctor(
+    bit_generator_name: str | type[BitGenerator] | BitGenerator = "MT19937",
+    bit_generator_ctor: Callable[[str | type[BitGenerator]], BitGenerator] = ...,
+) -> Generator: ...
+def __randomstate_ctor(
+    bit_generator_name: str | type[BitGenerator] | BitGenerator = "MT19937",
+    bit_generator_ctor: Callable[[str | type[BitGenerator]], BitGenerator] = ...,
+) -> RandomState: ...