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Upgrade Python syntax with pyupgrade --py36-plus and format with Black

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This commit is contained in:
Hugo van Kemenade 2021-10-15 13:10:22 +03:00
parent 716a0baf74
commit 31a96b9c9b
10 changed files with 30 additions and 38 deletions
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4
Tests/test_file_gif.py
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@ -818,7 +818,7 @@ def test_palette_save_P(tmp_path):
# Forcing a non-straight grayscale palette.
im = hopper("P")
palette = bytes([255 - i // 3 for i in range(768)])
palette = bytes(255 - i // 3 for i in range(768))
out = str(tmp_path / "temp.gif")
im.save(out, palette=palette)
@ -885,7 +885,7 @@ def test_getdata():
im.putpalette(ImagePalette.ImagePalette("RGB"))
im.info = {"background": 0}
passed_palette = bytes([255 - i // 3 for i in range(768)])
passed_palette = bytes(255 - i // 3 for i in range(768))
GifImagePlugin._FORCE_OPTIMIZE = True
try:

12
Tests/test_file_jpeg.py
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@ -85,26 +85,26 @@ class TestFileJpeg:
f = "Tests/images/pil_sample_cmyk.jpg"
with Image.open(f) as im:
# the source image has red pixels in the upper left corner.
c, m, y, k = [x / 255.0 for x in im.getpixel((0, 0))]
c, m, y, k = (x / 255.0 for x in im.getpixel((0, 0)))
assert c == 0.0
assert m > 0.8
assert y > 0.8
assert k == 0.0
# the opposite corner is black
c, m, y, k = [
c, m, y, k = (
x / 255.0 for x in im.getpixel((im.size[0] - 1, im.size[1] - 1))
]
)
assert k > 0.9
# roundtrip, and check again
im = self.roundtrip(im)
c, m, y, k = [x / 255.0 for x in im.getpixel((0, 0))]
c, m, y, k = (x / 255.0 for x in im.getpixel((0, 0)))
assert c == 0.0
assert m > 0.8
assert y > 0.8
assert k == 0.0
c, m, y, k = [
c, m, y, k = (
x / 255.0 for x in im.getpixel((im.size[0] - 1, im.size[1] - 1))
]
)
assert k > 0.9
@pytest.mark.parametrize(

4
Tests/test_file_webp.py
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@ -188,9 +188,7 @@ class TestFileWebp:
with Image.open(out_gif) as reread:
reread_value = reread.convert("RGB").getpixel((1, 1))
difference = sum(
[abs(original_value[i] - reread_value[i]) for i in range(0, 3)]
)
difference = sum(abs(original_value[i] - reread_value[i]) for i in range(0, 3))
assert difference < 5
@skip_unless_feature("webp")

8
Tests/test_imagefont.py
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@ -900,7 +900,7 @@ class TestImageFont:
d.text((10, 10), "\U0001f469", font=font, embedded_color=True)
assert_image_similar_tofile(im, "Tests/images/cbdt_notocoloremoji.png", 6.2)
except IOError as e: # pragma: no cover
except OSError as e: # pragma: no cover
assert str(e) in ("unimplemented feature", "unknown file format")
pytest.skip("freetype compiled without libpng or CBDT support")
@ -920,7 +920,7 @@ class TestImageFont:
assert_image_similar_tofile(
im, "Tests/images/cbdt_notocoloremoji_mask.png", 6.2
)
except IOError as e: # pragma: no cover
except OSError as e: # pragma: no cover
assert str(e) in ("unimplemented feature", "unknown file format")
pytest.skip("freetype compiled without libpng or CBDT support")
@ -938,7 +938,7 @@ class TestImageFont:
d.text((50, 50), "\uE901", font=font, embedded_color=True)
assert_image_similar_tofile(im, "Tests/images/chromacheck-sbix.png", 1)
except IOError as e: # pragma: no cover
except OSError as e: # pragma: no cover
assert str(e) in ("unimplemented feature", "unknown file format")
pytest.skip("freetype compiled without libpng or SBIX support")
@ -956,7 +956,7 @@ class TestImageFont:
d.text((50, 50), "\uE901", (100, 0, 0), font=font)
assert_image_similar_tofile(im, "Tests/images/chromacheck-sbix_mask.png", 1)
except IOError as e: # pragma: no cover
except OSError as e: # pragma: no cover
assert str(e) in ("unimplemented feature", "unknown file format")
pytest.skip("freetype compiled without libpng or SBIX support")

2
Tests/test_imagemath.py
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@ -3,7 +3,7 @@ from PIL import Image, ImageMath
def pixel(im):
if hasattr(im, "im"):
return "{} {}".format(im.mode, repr(im.getpixel((0, 0))))
return f"{im.mode} {repr(im.getpixel((0, 0)))}"
else:
if isinstance(im, int):
return int(im) # hack to deal with booleans

2
src/PIL/GifImagePlugin.py
View File

@ -324,7 +324,7 @@ class GifImageFile(ImageFile.ImageFile):
if not self.im and "transparency" in self.info:
self.im = Image.core.fill(self.mode, self.size, self.info["transparency"])
super(GifImageFile, self).load_prepare()
super().load_prepare()
def tell(self):
return self.__frame

12
src/PIL/Image.py
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@ -918,12 +918,8 @@ class Image:
transparency = convert_transparency(matrix, transparency)
elif len(mode) == 3:
transparency = tuple(
[
convert_transparency(
matrix[i * 4 : i * 4 + 4], transparency
)
for i in range(0, len(transparency))
]
convert_transparency(matrix[i * 4 : i * 4 + 4], transparency)
for i in range(0, len(transparency))
)
new.info["transparency"] = transparency
return new
@ -1926,7 +1922,7 @@ class Image:
message = f"Unknown resampling filter ({resample})."
filters = [
"{} ({})".format(filter[1], filter[0])
f"{filter[1]} ({filter[0]})"
for filter in (
(NEAREST, "Image.NEAREST"),
(LANCZOS, "Image.LANCZOS"),
@ -2521,7 +2517,7 @@ class Image:
message = f"Unknown resampling filter ({resample})."
filters = [
"{} ({})".format(filter[1], filter[0])
f"{filter[1]} ({filter[0]})"
for filter in (
(NEAREST, "Image.NEAREST"),
(BILINEAR, "Image.BILINEAR"),

14
src/PIL/ImageDraw.py
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@ -174,13 +174,11 @@ class ImageDraw:
angle -= 90
distance = width / 2 - 1
return tuple(
[
p + (math.floor(p_d) if p_d > 0 else math.ceil(p_d))
for p, p_d in (
(x, distance * math.cos(math.radians(angle))),
(y, distance * math.sin(math.radians(angle))),
)
]
p + (math.floor(p_d) if p_d > 0 else math.ceil(p_d))
for p, p_d in (
(x, distance * math.cos(math.radians(angle))),
(y, distance * math.sin(math.radians(angle))),
)
)
flipped = (
@ -979,6 +977,6 @@ def _color_diff(color1, color2):
Uses 1-norm distance to calculate difference between two values.
"""
if isinstance(color2, tuple):
return sum([abs(color1[i] - color2[i]) for i in range(0, len(color2))])
return sum(abs(color1[i] - color2[i]) for i in range(0, len(color2)))
else:
return abs(color1 - color2)

4
src/PIL/PdfParser.py
View File

@ -425,7 +425,7 @@ class PdfParser:
self.f.write(b"%PDF-1.4\n")
def write_comment(self, s):
self.f.write(f"% {s}\n".encode("utf-8"))
self.f.write(f"% {s}\n".encode())
def write_catalog(self):
self.del_root()
@ -862,7 +862,7 @@ class PdfParser:
if m:
# filter out whitespace
hex_string = bytearray(
[b for b in m.group(1) if b in b"0123456789abcdefABCDEF"]
b for b in m.group(1) if b in b"0123456789abcdefABCDEF"
)
if len(hex_string) % 2 == 1:
# append a 0 if the length is not even - yes, at the end

6
src/PIL/TiffImagePlugin.py
View File

@ -674,7 +674,7 @@ class ImageFileDirectory_v2(MutableMapping):
_load_dispatch[idx] = ( # noqa: F821
size,
lambda self, data, legacy_api=True: (
self._unpack("{}{}".format(len(data) // size, fmt), data)
self._unpack(f"{len(data) // size}{fmt}", data)
),
)
_write_dispatch[idx] = lambda self, *values: ( # noqa: F821
@ -718,7 +718,7 @@ class ImageFileDirectory_v2(MutableMapping):
@_register_loader(5, 8)
def load_rational(self, data, legacy_api=True):
vals = self._unpack("{}L".format(len(data) // 4), data)
vals = self._unpack(f"{len(data) // 4}L", data)
def combine(a, b):
return (a, b) if legacy_api else IFDRational(a, b)
@ -741,7 +741,7 @@ class ImageFileDirectory_v2(MutableMapping):
@_register_loader(10, 8)
def load_signed_rational(self, data, legacy_api=True):
vals = self._unpack("{}l".format(len(data) // 4), data)
vals = self._unpack(f"{len(data) // 4}l", data)
def combine(a, b):
return (a, b) if legacy_api else IFDRational(a, b)