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155 lines
4.5 KiB
Python
155 lines
4.5 KiB
Python
from io import BytesIO
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import pytest
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from PIL import Image
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from .helper import mark_if_feature_version, skip_unless_feature
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pytestmark = [
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skip_unless_feature("webp"),
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skip_unless_feature("webp_mux"),
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]
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try:
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from defusedxml import ElementTree
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except ImportError:
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ElementTree = None
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def test_read_exif_metadata():
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file_path = "Tests/images/flower.webp"
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with Image.open(file_path) as image:
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assert image.format == "WEBP"
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exif_data = image.info.get("exif", None)
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assert exif_data
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exif = image._getexif()
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# Camera make
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assert exif[271] == "Canon"
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with Image.open("Tests/images/flower.jpg") as jpeg_image:
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expected_exif = jpeg_image.info["exif"]
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assert exif_data == expected_exif
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def test_read_exif_metadata_without_prefix():
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with Image.open("Tests/images/flower2.webp") as im:
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# Assert prefix is not present
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assert im.info["exif"][:6] != b"Exif\x00\x00"
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exif = im.getexif()
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assert exif[305] == "Adobe Photoshop CS6 (Macintosh)"
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@mark_if_feature_version(
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pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing"
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)
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def test_write_exif_metadata():
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file_path = "Tests/images/flower.jpg"
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test_buffer = BytesIO()
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with Image.open(file_path) as image:
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expected_exif = image.info["exif"]
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image.save(test_buffer, "webp", exif=expected_exif)
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test_buffer.seek(0)
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with Image.open(test_buffer) as webp_image:
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webp_exif = webp_image.info.get("exif", None)
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assert webp_exif == expected_exif[6:], "WebP EXIF didn't match"
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def test_read_icc_profile():
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file_path = "Tests/images/flower2.webp"
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with Image.open(file_path) as image:
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assert image.format == "WEBP"
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assert image.info.get("icc_profile", None)
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icc = image.info["icc_profile"]
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with Image.open("Tests/images/flower2.jpg") as jpeg_image:
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expected_icc = jpeg_image.info["icc_profile"]
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assert icc == expected_icc
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@mark_if_feature_version(
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pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing"
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)
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def test_write_icc_metadata():
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file_path = "Tests/images/flower2.jpg"
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test_buffer = BytesIO()
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with Image.open(file_path) as image:
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expected_icc_profile = image.info["icc_profile"]
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image.save(test_buffer, "webp", icc_profile=expected_icc_profile)
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test_buffer.seek(0)
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with Image.open(test_buffer) as webp_image:
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webp_icc_profile = webp_image.info.get("icc_profile", None)
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assert webp_icc_profile
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if webp_icc_profile:
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assert webp_icc_profile == expected_icc_profile, "Webp ICC didn't match"
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@mark_if_feature_version(
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pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing"
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)
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def test_read_no_exif():
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file_path = "Tests/images/flower.jpg"
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test_buffer = BytesIO()
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with Image.open(file_path) as image:
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assert "exif" in image.info
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image.save(test_buffer, "webp")
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test_buffer.seek(0)
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with Image.open(test_buffer) as webp_image:
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assert not webp_image._getexif()
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def test_getxmp():
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with Image.open("Tests/images/flower.webp") as im:
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assert "xmp" not in im.info
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assert im.getxmp() == {}
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with Image.open("Tests/images/flower2.webp") as im:
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if ElementTree is None:
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with pytest.warns(UserWarning):
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assert im.getxmp() == {}
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else:
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assert (
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im.getxmp()["xmpmeta"]["xmptk"]
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== "Adobe XMP Core 5.3-c011 66.145661, 2012/02/06-14:56:27 "
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)
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@skip_unless_feature("webp_anim")
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def test_write_animated_metadata(tmp_path):
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iccp_data = b"<iccp_data>"
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exif_data = b"<exif_data>"
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xmp_data = b"<xmp_data>"
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temp_file = str(tmp_path / "temp.webp")
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with Image.open("Tests/images/anim_frame1.webp") as frame1:
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with Image.open("Tests/images/anim_frame2.webp") as frame2:
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frame1.save(
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temp_file,
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save_all=True,
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append_images=[frame2, frame1, frame2],
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icc_profile=iccp_data,
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exif=exif_data,
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xmp=xmp_data,
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)
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with Image.open(temp_file) as image:
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assert "icc_profile" in image.info
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assert "exif" in image.info
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assert "xmp" in image.info
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assert iccp_data == image.info.get("icc_profile", None)
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assert exif_data == image.info.get("exif", None)
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assert xmp_data == image.info.get("xmp", None)
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