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Deprecate fromarray mode argument (#9018)
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commit
c704f43288
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@ -101,7 +101,8 @@ def test_fromarray_strides_without_tobytes() -> None:
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with pytest.raises(ValueError):
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wrapped = Wrapper({"shape": (1, 1), "strides": (1, 1)})
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Image.fromarray(wrapped, "L")
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with pytest.warns(DeprecationWarning):
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Image.fromarray(wrapped, "L")
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def test_fromarray_palette() -> None:
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@ -110,7 +111,8 @@ def test_fromarray_palette() -> None:
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a = numpy.array(i)
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# Act
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out = Image.fromarray(a, "P")
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with pytest.warns(DeprecationWarning):
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out = Image.fromarray(a, "P")
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# Assert that the Python and C palettes match
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assert out.palette is not None
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@ -193,6 +193,14 @@ Image.Image.get_child_images()
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method uses an image's file pointer, and so child images could only be retrieved from
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an :py:class:`PIL.ImageFile.ImageFile` instance.
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Image.fromarray mode parameter
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. deprecated:: 11.3.0
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The ``mode`` parameter in :py:meth:`~PIL.Image.fromarray()` has been deprecated. The
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mode can be automatically determined from the object's shape and type instead.
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Saving I mode images as PNG
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -23,6 +23,12 @@ TODO
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Deprecations
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============
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Image.fromarray mode parameter
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The ``mode`` parameter in :py:meth:`~PIL.Image.fromarray()` has been deprecated. The
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mode can be automatically determined from the object's shape and type instead.
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Saving I mode images as PNG
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -3272,7 +3272,7 @@ def fromarray(obj: SupportsArrayInterface, mode: str | None = None) -> Image:
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:param obj: Object with array interface
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:param mode: Optional mode to use when reading ``obj``. Will be determined from
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type if ``None``.
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type if ``None``. Deprecated.
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This will not be used to convert the data after reading, but will be used to
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change how the data is read::
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@ -3307,6 +3307,7 @@ def fromarray(obj: SupportsArrayInterface, mode: str | None = None) -> Image:
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msg = f"Cannot handle this data type: {typekey_shape}, {typestr}"
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raise TypeError(msg) from e
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else:
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deprecate("'mode' parameter", 13)
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rawmode = mode
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if mode in ["1", "L", "I", "P", "F"]:
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ndmax = 2
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