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Corrected check for libtiff feature

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This commit is contained in:
Andrew Murray 2024-04-14 21:57:29 +10:00
parent db21e7de1c
commit 71029803e7
1 changed files with 16 additions and 15 deletions
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31
Tests/test_tiff_ifdrational.py
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@ -3,10 +3,12 @@ from __future__ import annotations
from fractions import Fraction from fractions import Fraction
from pathlib import Path from pathlib import Path
from PIL import Image, TiffImagePlugin, features import pytest
from PIL import Image, TiffImagePlugin
from PIL.TiffImagePlugin import IFDRational from PIL.TiffImagePlugin import IFDRational
from .helper import hopper from .helper import hopper, skip_unless_feature
def _test_equal(num, denom, target) -> None: def _test_equal(num, denom, target) -> None:
@ -52,18 +54,17 @@ def test_nonetype() -> None:
assert xres and yres assert xres and yres
def test_ifd_rational_save(tmp_path: Path) -> None: @pytest.mark.parametrize(
methods = [True] "libtiff", (pytest.param(True, marks=skip_unless_feature("libtiff")), False)
if features.check("libtiff"): )
methods.append(False) def test_ifd_rational_save(tmp_path: Path, libtiff: bool) -> None:
im = hopper()
out = str(tmp_path / "temp.tiff")
res = IFDRational(301, 1)
for libtiff in methods: TiffImagePlugin.WRITE_LIBTIFF = libtiff
TiffImagePlugin.WRITE_LIBTIFF = libtiff im.save(out, dpi=(res, res), compression="raw")
TiffImagePlugin.WRITE_LIBTIFF = False
im = hopper() with Image.open(out) as reloaded:
out = str(tmp_path / "temp.tiff") assert float(IFDRational(301, 1)) == float(reloaded.tag_v2[282])
res = IFDRational(301, 1)
im.save(out, dpi=(res, res), compression="raw")
with Image.open(out) as reloaded:
assert float(IFDRational(301, 1)) == float(reloaded.tag_v2[282])