def test_write_dont_preserve_timestamps(self):
stat = os.stat(self.pathname)
atime = round(stat.st_atime)
mtime = round(stat.st_mtime)
metadata = ImageMetadata(self.pathname)
metadata.read()
metadata.comment = 'Yellow Submarine'
time.sleep(1.1)
metadata.write()
stat2 = os.stat(self.pathname)
atime2 = round(stat2.st_atime)
mtime2 = round(stat2.st_mtime)
# It is not safe to assume that atime will have been modified when the
# file has been read, as it may depend on mount options (e.g. noatime,
# relatime).
# See discussion at http://bugs.launchpad.net/pyexiv2/+bug/624999.
#self.failIfEqual(atime2, atime)
self.failIfEqual(mtime2, mtime)
metadata.comment = 'Yesterday'
time.sleep(1.1)
metadata.write(preserve_timestamps=True)
stat3 = os.stat(self.pathname)
atime3 = round(stat3.st_atime)
mtime3 = round(stat3.st_mtime)
self.failUnlessEqual(atime3, atime2)
self.failUnlessEqual(mtime3, mtime2)
def test_write_dont_preserve_timestamps(self):
stat = os.stat(self.pathname)
atime = round(stat.st_atime)
mtime = round(stat.st_mtime)
metadata = ImageMetadata(self.pathname)
metadata.read()
metadata.comment = 'Yellow Submarine'
time.sleep(1.1)
metadata.write()
stat2 = os.stat(self.pathname)
atime2 = round(stat2.st_atime)
mtime2 = round(stat2.st_mtime)
# It is not safe to assume that atime will have been modified when the
# file has been read, as it may depend on mount options (e.g. noatime,
# relatime).
# See discussion at http://bugs.launchpad.net/pyexiv2/+bug/624999.
#self.failIfEqual(atime2, atime)
self.failIfEqual(mtime2, mtime)
metadata.comment = 'Yesterday'
time.sleep(1.1)
metadata.write(preserve_timestamps=True)
stat3 = os.stat(self.pathname)
atime3 = round(stat3.st_atime)
mtime3 = round(stat3.st_mtime)
self.failUnlessEqual(atime3, atime2)
self.failUnlessEqual(mtime3, mtime2)
def jpg_with_tags(scratch_directory):
"""A JPEG file with several tags, used by a bunch of tests.
This fixture creates the file itself and returns its pathname.
The file is made read-only for safety.
N.B. we use NamedTemporaryFile(delete=False) because we want to be
able to close the initial file descriptor, to avoid tripping
over Windows' exclusive file access rules. Cleanup is handled
by the teardown of the scratch_directory fixture.
"""
with tempfile.NamedTemporaryFile(dir=scratch_directory,
suffix='.jpg',
delete=False) as fp:
fp.write(EMPTY_JPG_DATA)
name = fp.name
# Write some metadata
m = ImageMetadata(name)
m.read()
m['Exif.Image.Make'] = 'EASTMAN KODAK COMPANY'
m['Exif.Image.DateTime'] = datetime.datetime(2009, 2, 9, 13, 33, 20)
m['Iptc.Application2.Caption'] = ['blabla']
m['Iptc.Application2.DateCreated'] = [datetime.date(2004, 7, 13)]
m['Xmp.dc.format'] = ('image', 'jpeg')
m['Xmp.dc.subject'] = ['image', 'test', 'pyexiv2']
m.comment = 'Hello World!'
m.write()
del m
os.chmod(name, 0o0400) # r--------
return name
def test_write_preserve_timestamps(self):
stat = os.stat(self.pathname)
atime = round(stat.st_atime)
mtime = round(stat.st_mtime)
metadata = ImageMetadata(self.pathname)
metadata.read()
metadata.comment = 'Yellow Submarine'
time.sleep(1.1)
metadata.write(preserve_timestamps=True)
stat2 = os.stat(self.pathname)
atime2 = round(stat2.st_atime)
mtime2 = round(stat2.st_mtime)
self.failUnlessEqual(atime2, atime)
self.failUnlessEqual(mtime2, mtime)
def test_write_preserve_timestamps(self):
stat = os.stat(self.pathname)
atime = round(stat.st_atime)
mtime = round(stat.st_mtime)
metadata = ImageMetadata(self.pathname)
metadata.read()
metadata.comment = 'Yellow Submarine'
time.sleep(1.1)
metadata.write(preserve_timestamps=True)
stat2 = os.stat(self.pathname)
atime2 = round(stat2.st_atime)
mtime2 = round(stat2.st_mtime)
self.failUnlessEqual(atime2, atime)
self.failUnlessEqual(mtime2, mtime)
def setUp(self):
# Create an empty image file
fd, self.pathname = tempfile.mkstemp(suffix='.jpg')
os.write(fd, EMPTY_JPG_DATA)
os.close(fd)
# Write some metadata
m = ImageMetadata(self.pathname)
m.read()
m['Exif.Image.Make'] = 'EASTMAN KODAK COMPANY'
m['Exif.Image.DateTime'] = datetime.datetime(2009, 2, 9, 13, 33, 20)
m['Iptc.Application2.Caption'] = ['blabla']
m['Iptc.Application2.DateCreated'] = [datetime.date(2004, 7, 13)]
m['Xmp.dc.format'] = ('image', 'jpeg')
m['Xmp.dc.subject'] = ['image', 'test', 'pyexiv2']
m.comment = 'Hello World!'
m.write()
self.metadata = ImageMetadata(self.pathname)
def setUp(self):
# Create an empty image file
fd, self.pathname = tempfile.mkstemp(suffix='.jpg')
os.write(fd, EMPTY_JPG_DATA)
os.close(fd)
# Write some metadata
m = ImageMetadata(self.pathname)
m.read()
m['Exif.Image.Make'] = 'EASTMAN KODAK COMPANY'
m['Exif.Image.DateTime'] = datetime.datetime(2009, 2, 9, 13, 33, 20)
m['Iptc.Application2.Caption'] = ['blabla']
m['Iptc.Application2.DateCreated'] = [datetime.date(2004, 7, 13)]
m['Xmp.dc.format'] = ('image', 'jpeg')
m['Xmp.dc.subject'] = ['image', 'test', 'pyexiv2']
m.comment = 'Hello World!'
m.write()
self.metadata = ImageMetadata(self.pathname)
