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Merge pull request #7181 from radarhere/gif

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Hugo van Kemenade 2023-06-06 09:22:57 +03:00 committed by GitHub
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2 changed files with 14 additions and 1 deletions
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13
Tests/test_file_gif.py
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@ -252,6 +252,19 @@ def test_roundtrip_save_all(tmp_path):
assert reread.n_frames == 5
def test_roundtrip_save_all_1(tmp_path):
out = str(tmp_path / "temp.gif")
im = Image.new("1", (1, 1))
im2 = Image.new("1", (1, 1), 1)
im.save(out, save_all=True, append_images=[im2])
with Image.open(out) as reloaded:
assert reloaded.getpixel((0, 0)) == 0
reloaded.seek(1)
assert reloaded.getpixel((0, 0)) == 255
@pytest.mark.parametrize(
"path, mode",
(

2
src/PIL/GifImagePlugin.py
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@ -879,7 +879,7 @@ def _get_palette_bytes(im):
:param im: Image object
:returns: Bytes, len<=768 suitable for inclusion in gif header
"""
return im.palette.palette
return im.palette.palette if im.palette else b""
def _get_background(im, info_background):