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upload: Replace deprecated PIL.Image.ANTIALIAS with LANCZOS.

Browse Source 
https://pillow.readthedocs.io/en/stable/deprecations.html#constants

Signed-off-by: Anders Kaseorg <anders@zulip.com>
This commit is contained in:
Anders Kaseorg
2023-02-08 17:12:48 -08:00
committed by Tim Abbott
parent 9efbfa22f2
commit 201debc1ea
1 changed files with 5 additions and 5 deletions
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10
zerver/lib/upload/base.py
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@@ -62,7 +62,7 @@ def resize_avatar(image_data: bytes, size: int = DEFAULT_AVATAR_SIZE) -> bytes:
try:
im = Image.open(io.BytesIO(image_data))
im = ImageOps.exif_transpose(im)
im = ImageOps.fit(im, (size, size), Image.ANTIALIAS)
im = ImageOps.fit(im, (size, size), Image.Resampling.LANCZOS)
except OSError:
raise BadImageError(_("Could not decode image; did you upload an image file?"))
except DecompressionBombError:
@@ -78,7 +78,7 @@ def resize_logo(image_data: bytes) -> bytes:
try:
im = Image.open(io.BytesIO(image_data))
im = ImageOps.exif_transpose(im)
im.thumbnail((8 * DEFAULT_AVATAR_SIZE, DEFAULT_AVATAR_SIZE), Image.ANTIALIAS)
im.thumbnail((8 * DEFAULT_AVATAR_SIZE, DEFAULT_AVATAR_SIZE), Image.Resampling.LANCZOS)
except OSError:
raise BadImageError(_("Could not decode image; did you upload an image file?"))
except DecompressionBombError:
@@ -101,7 +101,7 @@ def resize_animated(im: Image.Image, size: int = DEFAULT_EMOJI_SIZE) -> bytes:
im.seek(frame_num)
new_frame = im.copy()
new_frame.paste(im, (0, 0), im.convert("RGBA"))
new_frame = ImageOps.pad(new_frame, (size, size), Image.ANTIALIAS)
new_frame = ImageOps.pad(new_frame, (size, size), Image.Resampling.LANCZOS)
frames.append(new_frame)
if im.info.get("duration") is None: # nocoverage
raise BadImageError(_("Corrupt animated image."))
@@ -156,7 +156,7 @@ def resize_emoji(
still_image = im.copy()
still_image.seek(0)
still_image = ImageOps.exif_transpose(still_image)
still_image = ImageOps.fit(still_image, (size, size), Image.ANTIALIAS)
still_image = ImageOps.fit(still_image, (size, size), Image.Resampling.LANCZOS)
out = io.BytesIO()
still_image.save(out, format="PNG")
still_image_data = out.getvalue()
@@ -169,7 +169,7 @@ def resize_emoji(
# Note that this is essentially duplicated in the
# still_image code path, above.
im = ImageOps.exif_transpose(im)
im = ImageOps.fit(im, (size, size), Image.ANTIALIAS)
im = ImageOps.fit(im, (size, size), Image.Resampling.LANCZOS)
out = io.BytesIO()
im.save(out, format=image_format)
return out.getvalue(), False, None