Pillow/Tests/test_file_webp_metadata.py
2013-10-02 12:04:16 -07:00

85 lines
2.0 KiB
Python

from tester import *
from PIL import Image
try:
from PIL import _webp
if not _webp.HAVE_WEBPMUX:
skip('webpmux support not installed')
except:
skip('webp support not installed')
def test_read_exif_metadata():
file_path = "Images/flower.webp"
image = Image.open(file_path)
assert_equal(image.format, "WEBP")
exif_data = image.info.get("exif", None)
assert_true(exif_data)
exif = image._getexif()
#camera make
assert_equal(exif[271], "Canon")
jpeg_image = Image.open('Tests/images/flower.jpg')
expected_exif = jpeg_image.info['exif']
assert_equal(exif_data, expected_exif)
def test_write_exif_metadata():
file_path = "Tests/images/flower.jpg"
image = Image.open(file_path)
expected_exif = image.info['exif']
buffer = BytesIO()
image.save(buffer, "webp", exif=expected_exif)
buffer.seek(0)
webp_image = Image.open(buffer)
webp_exif = webp_image.info.get('exif', None)
assert_true(webp_exif)
if webp_exif:
assert_equal(webp_exif, expected_exif, "Webp Exif didn't match")
def test_read_icc_profile():
file_path = "Images/flower2.webp"
image = Image.open(file_path)
assert_equal(image.format, "WEBP")
assert_true(image.info.get("icc_profile", None))
icc = image.info['icc_profile']
jpeg_image = Image.open('Tests/images/flower2.jpg')
expected_icc = jpeg_image.info['icc_profile']
assert_equal(icc, expected_icc)
def test_write_icc_metadata():
file_path = "Tests/images/flower2.jpg"
image = Image.open(file_path)
expected_icc_profile = image.info['icc_profile']
buffer = BytesIO()
image.save(buffer, "webp", icc_profile=expected_icc_profile)
buffer.seek(0)
webp_image = Image.open(buffer)
webp_icc_profile = webp_image.info.get('icc_profile', None)
assert_true(webp_icc_profile)
if webp_icc_profile:
assert_equal(webp_icc_profile, expected_icc_profile, "Webp ICC didn't match")