Do not use a protocol for PixelAccess object

docs/reference/PixelAccess.rst

@@ -44,7 +44,23 @@ Access using negative indexes is also possible. ::
 -----------------------------
 
 .. class:: PixelAccess
-  :canonical: PIL.Image.PixelAccess
+  :canonical: PIL.Image.core.PixelAccess
 
-  .. automethod:: PIL.Image.PixelAccess.__getitem__
-  .. automethod:: PIL.Image.PixelAccess.__setitem__
+  .. method:: __getitem__(self, xy: tuple[int, int]) -> float | tuple[int, ...]
+
+        Returns the pixel at x,y. The pixel is returned as a single
+        value for single band images or a tuple for multi-band images.
+
+        :param xy: The pixel coordinate, given as (x, y).
+        :returns: a pixel value for single band images, a tuple of
+                  pixel values for multiband images.
+
+  .. method:: __setitem__(self, xy: tuple[int, int], color: float | tuple[int, ...]) -> None
+
+        Modifies the pixel at x,y. The color is given as a single
+        numerical value for single band images, and a tuple for
+        multi-band images.
+
+        :param xy: The pixel coordinate, given as (x, y).
+        :param color: The pixel value according to its mode,
+                      e.g. tuple (r, g, b) for RGB mode.

src/PIL/Image.py

@@ -227,7 +227,7 @@ if hasattr(core, "DEFAULT_STRATEGY"):
 # Registries
 
 if TYPE_CHECKING:
-    from . import ImageFile
+    from . import ImageFile, PyAccess
 ID: list[str] = []
 OPEN: dict[
     str,
@@ -512,31 +512,6 @@ def _getscaleoffset(expr):
 # Implementation wrapper
 
 
-class PixelAccess(Protocol):
-    def __getitem__(self, xy: tuple[int, int]) -> float | tuple[int, ...]:
-        """
-        Returns the pixel at x,y. The pixel is returned as a single
-        value for single band images or a tuple for multi-band images.
-
-        :param xy: The pixel coordinate, given as (x, y).
-        :returns: a pixel value for single band images, a tuple of
-                  pixel values for multiband images.
-        """
-        raise NotImplementedError()
-
-    def __setitem__(self, xy: tuple[int, int], color: float | tuple[int, ...]) -> None:
-        """
-        Modifies the pixel at x,y. The color is given as a single
-        numerical value for single band images, and a tuple for
-        multi-band images.
-
-        :param xy: The pixel coordinate, given as (x, y).
-        :param color: The pixel value according to its mode,
-                      e.g. tuple (r, g, b) for RGB mode.
-        """
-        raise NotImplementedError()
-
-
 class SupportsGetData(Protocol):
     def getdata(
         self,
@@ -897,7 +872,7 @@ class Image:
             msg = "cannot decode image data"
             raise ValueError(msg)
 
-    def load(self) -> PixelAccess | None:
+    def load(self) -> core.PixelAccess | PyAccess.PyAccess | None:
         """
         Allocates storage for the image and loads the pixel data.  In
         normal cases, you don't need to call this method, since the

src/PIL/_imaging.pyi

@@ -10,7 +10,10 @@ class ImagingDraw:
     def __getattr__(self, name: str) -> Any: ...
 
 class PixelAccess:
-    def __getattr__(self, name: str) -> Any: ...
+    def __getitem__(self, xy: tuple[int, int]) -> float | tuple[int, ...]: ...
+    def __setitem__(
+        self, xy: tuple[int, int], color: float | tuple[int, ...]
+    ) -> None: ...
 
 def font(image, glyphdata: bytes) -> ImagingFont: ...
 def __getattr__(name: str) -> Any: ...