Add detailed stubs for networkx.drawing.nx_pydot (#14594)

Author: charmoniumQ

stubs/networkx/networkx/drawing/nx_pydot.pyi

@@ -1,16 +1,18 @@
-from _typeshed import Incomplete
+from _typeshed import SupportsRead, SupportsWrite
+from os import PathLike
+from typing import Any
 
+from networkx.classes.graph import Graph, _Node
 from networkx.utils.backends import _dispatchable
-
-from ..classes.graph import Graph
+from pydot import Dot  # type: ignore[import-not-found]  # pyright: ignore[reportMissingImports]
 
 __all__ = ["write_dot", "read_dot", "graphviz_layout", "pydot_layout", "to_pydot", "from_pydot"]
 
-def write_dot(G, path) -> None: ...
+def write_dot(G: Graph[_Node], path: str | PathLike[Any] | SupportsWrite[str]) -> None: ...
 @_dispatchable
-def read_dot(path) -> Graph[Incomplete]: ...
+def read_dot(path: str | PathLike[Any] | SupportsRead[str]) -> Graph[str]: ...
 @_dispatchable
-def from_pydot(P): ...
-def to_pydot(N): ...
-def graphviz_layout(G, prog: str = "neato", root=None): ...
-def pydot_layout(G, prog: str = "neato", root=None): ...
+def from_pydot(P: Dot): ...
+def to_pydot(N: Graph[_Node]) -> Dot: ...
+def graphviz_layout(G: Graph[_Node], prog: str = "neato", root: _Node | None = None): ...
+def pydot_layout(G: Graph[_Node], prog: str = "neato", root: _Node | None = None): ...