Removed qoi_ prefix from save argument

Tests/test_file_qoi.py

@@ -41,13 +41,13 @@ def test_op_index() -> None:
 def test_save(tmp_path: Path) -> None:
     f = tmp_path / "temp.qoi"
 
-    im = hopper("RGB")
-    im.save(f, qoi_colorspace="sRGB")
+    im = hopper()
+    im.save(f, colorspace="sRGB")
 
     assert_image_equal_tofile(im, f)
 
-    for image in ["Tests/images/default_font.png", "Tests/images/pil123rgba.png"]:
-        with Image.open(image) as im:
+    for path in ("Tests/images/default_font.png", "Tests/images/pil123rgba.png"):
+        with Image.open(path) as im:
             im.save(f)
 
             assert_image_equal_tofile(im, f)

docs/handbook/image-file-formats.rst

@@ -1098,7 +1098,7 @@ Saving
 
 The :py:meth:`~PIL.Image.Image.save` method can take the following keyword arguments:
 
-**qoi_colorspace**
+**colorspace**
     If set to "sRGB", the colorspace will be written as sRGB with linear alpha, instead
     of all channels being linear.
 

src/PIL/QoiImagePlugin.py

@@ -122,10 +122,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
         msg = "Unsupported QOI image mode"
         raise ValueError(msg)
 
-    if im.encoderinfo.get("qoi_colorspace") == "sRGB":
-        colorspace = 0
-    else:
-        colorspace = 1
+    colorspace = 0 if im.encoderinfo.get("colorspace") == "sRGB" else 1
 
     fp.write(b"qoif")
     fp.write(o32(im.size[0]))