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Do not clear GIF tile when checking number of frames #6455

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merged 1 commit into from
Jul 25, 2022
Merged

Do not clear GIF tile when checking number of frames #6455

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Binary file added Tests/images/comment_after_only_frame.gif
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5 changes: 5 additions & 0 deletions Tests/test_file_gif.py
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Original file line number Diff line number Diff line change
Expand Up @@ -399,6 +399,11 @@ def test_no_change():
assert im.is_animated
assert_image_equal(im, expected)

with Image.open("Tests/images/comment_after_only_frame.gif") as im:
expected = Image.new("P", (1, 1))
assert not im.is_animated
assert_image_equal(im, expected)


def test_eoferror():
with Image.open(TEST_GIF) as im:
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4 changes: 2 additions & 2 deletions src/PIL/GifImagePlugin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -185,8 +185,6 @@ def _seek(self, frame, update_image=True):
if not s or s == b";":
raise EOFError

self.tile = []

palette = None

info = {}
Expand Down Expand Up @@ -295,6 +293,8 @@ def _seek(self, frame, update_image=True):
if not update_image:
return

self.tile = []

if self.dispose:
self.im.paste(self.dispose, self.dispose_extent)

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