def test_add_to_scanner_image():
"""Test adding metadata to a scanner-produced JPEG without any pre-existing APP1 or EXIF."""
image = Image(
os.path.join(os.path.dirname(__file__), "scanner_without_app1.jpg"))
assert not image.has_exif
image.gps_latitude = (41.0, 29.0, 57.48)
image.gps_latitude_ref = "N"
image.gps_longitude = (81.0, 41.0, 39.84)
image.gps_longitude_ref = "W"
image.gps_altitude = 199.034
image.gps_altitude_ref = GpsAltitudeRef.ABOVE_SEA_LEVEL
image.make = "Acme Scanner Company"
image.model = "Scan-o-Matic 5000"
image.datetime_original = "1999:12:31 23:49:12"
image.datetime_digitized = "2020:07:11 10:11:37"
image.brightness_value = 10.9876 # provides coverage for SRATIONAL
image.user_comment = "This image was scanned in from an old photo album." # provides coverage for user comment
assert image.has_exif
assert image.gps_latitude == (41.0, 29.0, 57.48)
assert image.gps_latitude_ref == "N"
assert image.gps_longitude == (81.0, 41.0, 39.84)
assert image.gps_longitude_ref == "W"
assert image.gps_altitude == 199.034
assert image.gps_altitude_ref == GpsAltitudeRef.ABOVE_SEA_LEVEL
assert image.make == "Acme Scanner Company"
assert image.model == "Scan-o-Matic 5000"
assert image.datetime_original == "1999:12:31 23:49:12"
assert image.datetime_digitized == "2020:07:11 10:11:37"
assert image.brightness_value == 10.9876 # provides coverage for SRATIONAL
assert (image.user_comment ==
"This image was scanned in from an old photo album."
) # provides coverage for user comment
segment_hex = (binascii.hexlify(
image._segments["APP1"].get_segment_bytes()).decode("utf-8").upper())
assert "\n".join(textwrap.wrap(segment_hex,
90)) == ADD_TO_SCANNED_IMAGE_BASELINE
from exif import Image
image = Image("test.jpg")
image.gps_latitude = (41.0, 29.0, 57.48)
image.gps_latitude_ref = "N"
image.gps_longitude = (81.0, 41.0, 39.84)
image.gps_longitude_ref = "W"
image.gps_altitude = 199.034 # in meters
image.gps_altitude_ref = GpsAltitudeRef.ABOVE_SEA_LEVEL
with open('modified_image.jpg', 'wb') as new_image_file:
new_image_file.write(my_image.get_file())
