Add pybind11 tests for insert typing.List

mypy/stubgenc.py

@@ -239,6 +239,26 @@ def __init__(
         self.resort_members = self.is_c_module
         super().__init__(_all_, include_private, export_less, include_docstrings)
         self.module_name = module_name
+        if self.is_c_module:
+            # Add additional implicit imports.
+            # C-extensions are given more lattitude since they do not import the typing module.
+            self.known_imports.update(
+                {
+                    "typing": [
+                        "Any",
+                        "Callable",
+                        "ClassVar",
+                        "Dict",
+                        "Iterable",
+                        "Iterator",
+                        "List",
+                        "NamedTuple",
+                        "Optional",
+                        "Tuple",
+                        "Union",
+                    ]
+                }
+            )
 
     def get_default_function_sig(self, func: object, ctx: FunctionContext) -> FunctionSig:
         argspec = None

mypy/stubutil.py

@@ -576,6 +576,14 @@ def __init__(
         self.sig_generators = self.get_sig_generators()
         # populated by visit_mypy_file
         self.module_name: str = ""
+        # These are "soft" imports for objects which might appear in annotations but not have
+        # a corresponding import statement.
+        self.known_imports = {
+            "_typeshed": ["Incomplete"],
+            "typing": ["Any", "TypeVar", "NamedTuple"],
+            "collections.abc": ["Generator"],
+            "typing_extensions": ["TypedDict", "ParamSpec", "TypeVarTuple"],
+        }
 
     def get_sig_generators(self) -> list[SignatureGenerator]:
         return []
@@ -667,15 +675,7 @@ def set_defined_names(self, defined_names: set[str]) -> None:
         for name in self._all_ or ():
             self.import_tracker.reexport(name)
 
-        # These are "soft" imports for objects which might appear in annotations but not have
-        # a corresponding import statement.
-        known_imports = {
-            "_typeshed": ["Incomplete"],
-            "typing": ["Any", "TypeVar", "NamedTuple"],
-            "collections.abc": ["Generator"],
-            "typing_extensions": ["TypedDict", "ParamSpec", "TypeVarTuple"],
-        }
-        for pkg, imports in known_imports.items():
+        for pkg, imports in self.known_imports.items():
             for t in imports:
                 # require=False means that the import won't be added unless require_name() is called
                 # for the object during generation.

test-data/pybind11_mypy_demo/src/main.cpp

@@ -44,6 +44,7 @@
 
 #include <cmath>
 #include <pybind11/pybind11.h>
+#include <pybind11/stl.h>
 
 namespace py = pybind11;
 
@@ -102,6 +103,11 @@ struct Point {
     return distance_to(other.x, other.y);
   }
 
+    std::vector<double> as_vector()
+    {
+      return std::vector<double>{x, y};
+    }
+
   double x, y;
 };
 
@@ -134,6 +140,7 @@ void bind_basics(py::module& basics) {
     .def(py::init<double, double>(), py::arg("x"), py::arg("y"))
     .def("distance_to", py::overload_cast<double, double>(&Point::distance_to, py::const_), py::arg("x"), py::arg("y"))
     .def("distance_to", py::overload_cast<const Point&>(&Point::distance_to, py::const_), py::arg("other"))
+    .def("as_vector", &Point::as_vector)
     // Note that the trailing newline is required because the generated docstring
     // is concatenated to the signature, e.g.:
     // 'some docstring\n(self: pybind11_mypy_demo.basics.Point) -> float\n'

test-data/pybind11_mypy_demo/stubgen-include-docs/pybind11_mypy_demo/basics.pyi

@@ -1,4 +1,4 @@
-from typing import ClassVar, overload
+from typing import ClassVar, List, overload
 
 PI: float
 __version__: str
@@ -73,6 +73,8 @@ class Point:
 
         2. __init__(self: pybind11_mypy_demo.basics.Point, x: float, y: float) -> None
         """
+    def as_vector(self) -> List[float]:
+        """as_vector(self: pybind11_mypy_demo.basics.Point) -> List[float]"""
     @overload
     def distance_to(self, x: float, y: float) -> float:
         """distance_to(*args, **kwargs)

test-data/pybind11_mypy_demo/stubgen/pybind11_mypy_demo/basics.pyi

@@ -1,4 +1,4 @@
-from typing import ClassVar, overload
+from typing import ClassVar, List, overload
 
 PI: float
 __version__: str
@@ -47,6 +47,7 @@ class Point:
     def __init__(self) -> None: ...
     @overload
     def __init__(self, x: float, y: float) -> None: ...
+    def as_vector(self) -> List[float]: ...
     @overload
     def distance_to(self, x: float, y: float) -> float: ...
     @overload