Add __slots__ to third-party packages using stubdefaulter (#14619)

stubs/shapely/shapely/geometry/base.pyi

@@ -31,6 +31,7 @@ class JOIN_STYLE:
     bevel: Literal[BufferJoinStyle.bevel]
 
 class BaseGeometry(Geometry):
+    __slots__: list[str] = []
     @deprecated(
         "Directly calling 'BaseGeometry()' is deprecated. To create an empty geometry, "
         "use one of the subclasses instead, for example 'GeometryCollection()'."
@@ -264,6 +265,7 @@ class BaseGeometry(Geometry):
 _GeoT_co = TypeVar("_GeoT_co", bound=Geometry, default=BaseGeometry, covariant=True)
 
 class BaseMultipartGeometry(BaseGeometry, Generic[_GeoT_co]):
+    __slots__: list[str] = []
     @property
     def coords(self) -> NoReturn: ...
     @property

stubs/shapely/shapely/geometry/collection.pyi

@@ -7,6 +7,7 @@ from .base import BaseMultipartGeometry, GeometrySequence, _GeoT_co
 
 class GeometryCollection(BaseMultipartGeometry[_GeoT_co]):
     # Overloads of __new__ are used because mypy is unable to narrow the typevar otherwise
+    __slots__: list[str] = []
     @overload
     def __new__(
         self, geoms: BaseMultipartGeometry[_GeoT_co] | GeometrySequence[BaseMultipartGeometry[_GeoT_co]] | Collection[_GeoT_co]

stubs/shapely/shapely/geometry/linestring.pyi

@@ -15,6 +15,7 @@ __all__ = ["LineString"]
 _ConvertibleToLineString: TypeAlias = LineString | ArrayLikeSeq[float] | Iterable[Point | Iterable[SupportsFloat]]
 
 class LineString(BaseGeometry):
+    __slots__: list[str] = []
     def __new__(self, coordinates: _ConvertibleToLineString | None = None) -> Self: ...
     def svg(self, scale_factor: float = 1.0, stroke_color: str | None = None, opacity: float | None = None) -> str: ...  # type: ignore[override]
     def offset_curve(

stubs/shapely/shapely/geometry/multilinestring.pyi

@@ -8,6 +8,7 @@ from .multipoint import MultiPoint
 __all__ = ["MultiLineString"]
 
 class MultiLineString(BaseMultipartGeometry[LineString]):
+    __slots__: list[str] = []
     def __new__(self, lines: BaseMultipartGeometry | Collection[_ConvertibleToLineString] | None = None) -> Self: ...
     def svg(self, scale_factor: float = 1.0, stroke_color: str | None = None, opacity: float | None = None) -> str: ...  # type: ignore[override]
     # more precise base overrides

stubs/shapely/shapely/geometry/multipoint.pyi

@@ -13,6 +13,7 @@ class MultiPoint(BaseMultipartGeometry[Point]):
     # * `Sequence` is more correct but it will lead to False positives with common types
     #   like np.ndarray, pd.Index, pd.Series, ...
     # I went with Collection as false negatives seem better to me than false positives in this case
+    __slots__: list[str] = []
     def __new__(self, points: MultiPoint | Collection[_PointLike] | None = None) -> Self: ...
     def svg(self, scale_factor: float = 1.0, fill_color: str | None = None, opacity: float | None = None) -> str: ...  # type: ignore[override]
     # more precise base overrides

stubs/shapely/shapely/geometry/multipolygon.pyi

@@ -8,6 +8,7 @@ from .polygon import Polygon, _PolygonHolesLike, _PolygonShellLike
 __all__ = ["MultiPolygon"]
 
 class MultiPolygon(BaseMultipartGeometry[Polygon]):
+    __slots__: list[str] = []
     def __new__(
         self,
         polygons: (

stubs/shapely/shapely/geometry/point.pyi

@@ -11,6 +11,7 @@ __all__ = ["Point"]
 _PointLike: TypeAlias = Point | Iterable[float] | ArrayLikeSeq[float]
 
 class Point(BaseGeometry):
+    __slots__: list[str] = []
     @overload  # no args: empty point
     def __new__(self) -> Self: ...
     @overload  # one arg: (x, y[, z]) tuple or a Point instance

stubs/shapely/shapely/geometry/polygon.pyi

@@ -13,6 +13,7 @@ _PolygonShellLike: TypeAlias = Polygon | _ConvertibleToLinearRing | None
 _PolygonHolesLike: TypeAlias = Collection[_ConvertibleToLinearRing | None] | None
 
 class LinearRing(LineString):
+    __slots__: list[str] = []
     def __new__(self, coordinates: _ConvertibleToLinearRing | None = None) -> Self: ...
     @property
     def is_ccw(self) -> bool: ...
@@ -28,6 +29,7 @@ class InteriorRingSequence:
     def __getitem__(self, key: slice) -> list[LinearRing]: ...
 
 class Polygon(BaseGeometry):
+    __slots__: list[str] = []
     def __new__(self, shell: _PolygonShellLike = None, holes: _PolygonHolesLike = None) -> Self: ...
     @property
     def exterior(self) -> LinearRing: ...