def file_to_meta(fn):
xmp_files = XMPFiles()
with open(fn, 'r') as fp:
header = fp.readline()
if "xpacket" in header:
# the file is already in a compatible format for the XMP parser.
xmp_files.open_file(fn, open_read=True)
xmp_obj = xmp_files.get_xmp()
else:
# need to wrap the file with a header and footer that allows
# the XMP parser to parse the file into a dict.
# we will only transform the data in a temporary file, leaving
# the original file untouched.
with NamedTemporaryFile(mode='w', delete=False) as fp,\
open(fn, 'r') as raw_fp:
temp_fn = fp.name
fp.write(XMP_XPACKET_HEADER + "\n")
for line in raw_fp:
fp.write("{line}\n".format(line=line))
fp.write(XMP_XPACKET_FOOTER + "\n")
xmp_files.open_file(temp_fn, open_read=True, open_onlyxmp=True)
xmp_obj = xmp_files.get_xmp()
os.remove(temp_fn)
return xmp_obj
def test_tiff(self):
"""Write to a TIFF that does not already have the XMP tag."""
srcfile = pkg_resources.resource_filename(__name__,
"fixtures/zeros.tif")
with tempfile.NamedTemporaryFile(suffix='.tif') as tfile:
shutil.copyfile(srcfile, tfile.name)
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name, open_forupdate=True)
# Since it's a TIFF, it already has everything possible from the
# TIFF IFD filled in into the TIFF namespace.
xmp = xmpf.get_xmp()
xmp.set_property(NS_DC, "rights", "no one in particular")
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf.open_file(file_path=tfile.name)
xmp = xmpf.get_xmp()
xmpf.close_file()
# TODO: explain why this happened.
prop = xmp.get_property(NS_DC, "rights")
prop2 = xmp.get_localized_text(NS_DC, "rights", None, "x-default")
self.assertEqual(prop2, "no one in particular")
def test_tiff(self):
"""Write to a TIFF that does not already have the XMP tag."""
srcfile = pkg_resources.resource_filename(__name__,
"fixtures/zeros.tif")
with tempfile.NamedTemporaryFile(suffix='.tif') as tfile:
shutil.copyfile(srcfile, tfile.name)
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name, open_forupdate=True)
# Since it's a TIFF, it already has everything possible from the
# TIFF IFD filled in into the TIFF namespace.
xmp = xmpf.get_xmp()
xmp.set_property(NS_DC, "rights", "no one in particular")
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf.open_file(file_path=tfile.name)
xmp = xmpf.get_xmp()
xmpf.close_file()
# TODO: explain why this happened.
prop = xmp.get_property(NS_DC, "rights")
prop2 = xmp.get_localized_text(NS_DC, "rights", None, "x-default")
self.assertEqual(prop2, "no one in particular")
def test_open_open_limitscanning(self):
"""Verify this library failure."""
# Issue 5
filenames = [pkg.resource_filename(__name__, "samples/BlueSquare.pdf"),
pkg.resource_filename(__name__, "samples/BlueSquare.xmp")]
xmpfile = XMPFiles()
for filename in filenames:
with self.assertRaises(XMPError):
xmpfile.open_file(filename, open_limitscanning=True)
def test_jpeg(self):
"""Create XMP from scratch to store in a jpeg."""
srcfile = pkg_resources.resource_filename(__name__,
"samples/BlueSquare.jpg")
with tempfile.NamedTemporaryFile(suffix='.tif', mode='wb') as tfile:
# Do some surgery on the file, remove existing xmp.
# The APP1 marker segment in question starts at byte 2156, has
# length of 4813
with open(srcfile, 'rb') as infptr:
# Write the SOI marker
tfile.write(infptr.read(2))
# Skip over ALL the APP0, APP1 segments.
infptr.seek(21619)
tfile.write(infptr.read())
tfile.flush()
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name, open_forupdate=True)
xmp = xmpf.get_xmp()
xmp.set_property(NS_DC, "Title", u'Stürm und Drang')
# Construct the properties that would have been filled in had the
# APP0 segment been left in place.
xmp.set_property(NS_TIFF, "Orientation", "1")
xmp.set_property(NS_TIFF, "XResolution", "720000/10000")
xmp.set_property(NS_TIFF, "YResolution", "720000/10000")
xmp.set_property(NS_TIFF, "ResolutionUnit", "2")
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name)
xmp = xmpf.get_xmp()
prop = xmp.get_property(NS_DC, "Title")
self.assertEqual(prop, u'Stürm und Drang')
prop = xmp.get_property(NS_TIFF, "Orientation")
self.assertEqual(prop, "1")
prop = xmp.get_property(NS_TIFF, "XResolution")
self.assertEqual(prop, "720000/10000")
prop = xmp.get_property(NS_TIFF, "YResolution")
self.assertEqual(prop, "720000/10000")
prop = xmp.get_property(NS_TIFF, "ResolutionUnit")
self.assertEqual(prop, "2")
xmpf.close_file()
def test_jpeg(self):
"""Create XMP from scratch to store in a jpeg."""
srcfile = pkg_resources.resource_filename(__name__,
"samples/BlueSquare.jpg")
with tempfile.NamedTemporaryFile(suffix='.tif', mode='wb') as tfile:
# Do some surgery on the file, remove existing xmp.
# The APP1 marker segment in question starts at byte 2156, has
# length of 4813
with open(srcfile, 'rb') as infptr:
# Write the SOI marker
tfile.write(infptr.read(2))
# Skip over ALL the APP0, APP1 segments.
infptr.seek(21619)
tfile.write(infptr.read())
tfile.flush()
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name, open_forupdate=True)
xmp = xmpf.get_xmp()
xmp.set_property(NS_DC, "Title", u'Stürm und Drang')
# Construct the properties that would have been filled in had the
# APP0 segment been left in place.
xmp.set_property(NS_TIFF, "Orientation", "1")
xmp.set_property(NS_TIFF, "XResolution", "720000/10000")
xmp.set_property(NS_TIFF, "YResolution", "720000/10000")
xmp.set_property(NS_TIFF, "ResolutionUnit", "2")
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name)
xmp = xmpf.get_xmp()
prop = xmp.get_property(NS_DC, "Title")
self.assertEqual(prop, u'Stürm und Drang')
prop = xmp.get_property(NS_TIFF, "Orientation")
self.assertEqual(prop, "1")
prop = xmp.get_property(NS_TIFF, "XResolution")
self.assertEqual(prop, "720000/10000")
prop = xmp.get_property(NS_TIFF, "YResolution")
self.assertEqual(prop, "720000/10000")
prop = xmp.get_property(NS_TIFF, "ResolutionUnit")
self.assertEqual(prop, "2")
xmpf.close_file()
def test_write_in_readonly(self):
"""If not "open_forupdate = True", should raise exception"""
# Note, the file should have been opened with "open_forupdate = True"
# so let's check if XMPMeta is raising an Exception.
xmpfile = XMPFiles()
filename = os.path.join(self.tempdir, 'sig05-002a.tif')
xmpfile.open_file(filename)
xmp_data = xmpfile.get_xmp()
xmp_data.set_property( NS_PHOTOSHOP, 'Headline', "Some text")
self.assertRaises( XMPError, xmpfile.put_xmp, xmp_data )
self.assertEqual( xmpfile.can_put_xmp( xmp_data ), False )
def test_write_in_readonly(self):
"""If not "open_forupdate = True", should raise exception"""
# Note, the file should have been opened with "open_forupdate = True"
# so let's check if XMPMeta is raising an Exception.
xmpfile = XMPFiles()
filename = os.path.join(self.tempdir, 'sig05-002a.tif')
xmpfile.open_file(filename)
xmp_data = xmpfile.get_xmp()
xmp_data.set_property(NS_PHOTOSHOP, 'Headline', "Some text")
self.assertRaises(XMPError, xmpfile.put_xmp, xmp_data)
self.assertEqual(xmpfile.can_put_xmp(xmp_data), False)
def test_open_open_limitscanning(self):
"""Verify this library failure."""
# Issue 5
filenames = [
pkg.resource_filename(__name__, "samples/BlueSquare.pdf"),
pkg.resource_filename(__name__, "samples/BlueSquare.xmp")
]
xmpfile = XMPFiles()
for filename in filenames:
with self.assertRaises(XMPError):
xmpfile.open_file(filename, open_limitscanning=True)
def test_open_use_smarthandler(self):
"""Verify this library failure."""
# Issue 5
filenames = [
pkg_resources.resource_filename(__name__,
"samples/BlueSquare.pdf"),
pkg_resources.resource_filename(__name__, "samples/BlueSquare.ai"),
pkg_resources.resource_filename(__name__, "samples/BlueSquare.xmp")
]
xmpfile = XMPFiles()
for filename in filenames:
with self.assertRaises(XMPError):
xmpfile.open_file(filename, open_usesmarthandler=True)
def test_print_bom(self):
"""Should be able to print XMP packets despite BOM."""
# The BOM cannot be decoded from utf-8 into ascii, so a 2.7 XMPMeta
# object's __repr__ function would error out on it.
filename = pkg.resource_filename(__name__, "samples/BlueSquare.jpg")
xmpf = XMPFiles()
xmpf.open_file(file_path=filename)
xmp = xmpf.get_xmp()
with patch('sys.stdout', new=StringIO()) as fake_out:
print(xmp)
repr(xmp)
self.assertTrue(True)
def test_print_bom(self):
"""Should be able to print XMP packets despite BOM."""
# The BOM cannot be decoded from utf-8 into ascii, so a 2.7 XMPMeta
# object's __repr__ function would error out on it.
filename = pkg.resource_filename(__name__, "samples/BlueSquare.jpg")
xmpf = XMPFiles()
xmpf.open_file(file_path=filename)
xmp = xmpf.get_xmp()
with patch('sys.stdout', new=StringIO()) as fake_out:
print(xmp)
repr(xmp)
self.assertTrue(True)
def test_open_use_smarthandler(self):
"""Verify this library failure."""
# Issue 5
filenames = [pkg_resources.resource_filename(__name__,
"samples/BlueSquare.pdf"),
pkg_resources.resource_filename(__name__,
"samples/BlueSquare.ai"),
pkg_resources.resource_filename(__name__,
"samples/BlueSquare.xmp")]
xmpfile = XMPFiles()
for filename in filenames:
with self.assertRaises(XMPError):
xmpfile.open_file(filename, open_usesmarthandler=True)
def test_can_put_xmp(self):
for flg in open_flags:
kwargs = {flg: True}
for filename, fmt in zip(self.samplefiles, self.formats):
# See test_exempi_error()
if (((not self.flg_fmt_combi(flg, fmt))
and (not self.exempi_problem(flg, fmt)))):
xmpfile = XMPFiles()
xmpfile.open_file(filename, **kwargs)
xmp = xmpfile.get_xmp()
if flg == 'open_forupdate':
self.assertTrue(xmpfile.can_put_xmp(xmp))
else:
self.assertFalse(xmpfile.can_put_xmp(xmp))
def exempi_error(self):
"""
Test case that exposes an Exempi bug.
Seems like xmp_files_can_put_xmp in exempi is missing a try/catch block.
So loading a sidecar file and call can_put_xmp will kill python
interpreter since a C++ exception is thrown.
"""
filename = pkg.resource_filename(__name__, "samples/sig05-002a.xmp")
xmpfile = XMPFiles()
xmpfile.open_file(filename, open_forupdate=True)
xmp = xmpfile.get_xmp()
xmpfile.can_put_xmp(xmp)
def test_can_put_xmp(self):
for flg in open_flags:
kwargs = { flg: True }
for filename, fmt in zip(self.samplefiles, self.formats):
# See test_exempi_error()
if (((not self.flg_fmt_combi(flg, fmt)) and
(not self.exempi_problem(flg, fmt)))):
xmpfile = XMPFiles()
xmpfile.open_file( filename, **kwargs )
xmp = xmpfile.get_xmp()
if flg == 'open_forupdate':
self.assertTrue( xmpfile.can_put_xmp( xmp ) )
else:
self.assertFalse( xmpfile.can_put_xmp( xmp ) )
def exempi_error(self):
"""
Test case that exposes an Exempi bug.
Seems like xmp_files_can_put_xmp in exempi is missing a try/catch block.
So loading a sidecar file and call can_put_xmp will kill python
interpreter since a C++ exception is thrown.
"""
filename = pkg.resource_filename(__name__, "samples/sig05-002a.xmp")
xmpfile = XMPFiles()
xmpfile.open_file(filename, open_forupdate = True )
xmp = xmpfile.get_xmp()
xmpfile.can_put_xmp( xmp )
def test_repr(self):
"""Test __repr__ and __str__ on XMPFiles objects."""
xmpf = XMPFiles()
self.assertEqual(str(xmpf), 'XMPFiles()')
self.assertEqual(repr(xmpf), 'XMPFiles()')
# If the XMPFiles object has a file associated with it, then use a
# regular expression to match the output.
filename = pkg.resource_filename(__name__, "samples/BlueSquare.jpg")
xmpf.open_file(file_path=filename)
actual_value = str(xmpf)
regex = re.compile(r"""XMPFiles\(file_path=""", re.VERBOSE)
self.assertIsNotNone(regex.match(actual_value))
self.assertTrue(actual_value.endswith("BlueSquare.jpg')"))
def test_repr(self):
"""Test __repr__ and __str__ on XMPFiles objects."""
xmpf = XMPFiles()
self.assertEqual(str(xmpf), 'XMPFiles()')
self.assertEqual(repr(xmpf), 'XMPFiles()')
# If the XMPFiles object has a file associated with it, then use a
# regular expression to match the output.
filename = pkg.resource_filename(__name__, "samples/BlueSquare.jpg")
xmpf.open_file(file_path=filename)
actual_value = str(xmpf)
regex = re.compile(r"""XMPFiles\(file_path=""", re.VERBOSE)
self.assertIsNotNone(regex.match(actual_value))
self.assertTrue(actual_value.endswith("BlueSquare.jpg')"))
def test_cannot_inject_xmp_info_pdf(self):
"""Verify behavior of not being able to inject XMP into barren PDF"""
# See issue 40
srcfile = pkg.resource_filename(__name__,
os.path.join("fixtures", "zeros.pdf"))
with tempfile.NamedTemporaryFile() as tfile:
shutil.copyfile(srcfile, tfile.name)
xmpf = XMPFiles()
xmpf.open_file(tfile.name, open_forupdate=True)
xmp = XMPMeta()
xmp.set_property(NS_PHOTOSHOP, "ICCProfile", "foo")
with self.assertRaises(XMPError):
xmpf.put_xmp(xmp)
xmpf.close_file()
def test_cannot_inject_xmp_info_pdf(self):
"""Verify behavior of not being able to inject XMP into barren PDF"""
# See issue 40
srcfile = pkg.resource_filename(__name__, os.path.join("fixtures",
"zeros.pdf"))
with tempfile.NamedTemporaryFile() as tfile:
shutil.copyfile(srcfile, tfile.name)
xmpf = XMPFiles()
xmpf.open_file(tfile.name, open_forupdate=True)
xmp = XMPMeta()
xmp.set_property(NS_PHOTOSHOP, "ICCProfile", "foo")
with self.assertRaises(XMPError):
xmpf.put_xmp(xmp)
xmpf.close_file()
def test_exempi_bad_combinations(self):
"""
Verify bad combinations of formats and open flags.
"""
# Certain combinations of formats and open flags will raise an XMPError
# when you try to open the XMP
for flg in open_flags:
kwargs = {flg: True}
for filename, fmt in zip(self.samplefiles, self.formats):
if not self.flg_fmt_combi(flg, fmt):
xmpfile = XMPFiles()
xmpfile.open_file(filename, **kwargs)
xmpfile.get_xmp()
else:
xmpfile = XMPFiles()
with self.assertRaises(XMPError):
xmpfile.open_file(filename, **kwargs)
def test_exempi_bad_combinations(self):
"""
Verify bad combinations of formats and open flags.
"""
# Certain combinations of formats and open flags will raise an XMPError
# when you try to open the XMP
for flg in open_flags:
kwargs = { flg: True }
for filename, fmt in zip(self.samplefiles, self.formats):
if not self.flg_fmt_combi(flg, fmt):
xmpfile = XMPFiles()
xmpfile.open_file( filename, **kwargs )
xmpfile.get_xmp()
else:
xmpfile = XMPFiles()
with self.assertRaises(XMPError):
xmpfile.open_file( filename, **kwargs )
def test_open_file_with_options(self):
"""Try all open options"""
for flg in open_flags:
kwargs = {flg: True}
for filename in self.samplefiles:
if flg == 'open_usesmarthandler':
# We know these are problematic.
suffices = ('.ai', '.pdf', '.xmp')
if filename.lower().endswith(suffices):
continue
if flg == 'open_limitscanning':
# We know these are problematic.
suffices = ('.pdf', '.xmp')
if filename.lower().endswith(suffices):
continue
xmpfile = XMPFiles()
xmpfile.open_file(filename, **kwargs)
def test_open_file_with_options(self):
"""Try all open options"""
for flg in open_flags:
kwargs = { flg: True }
for filename in self.samplefiles:
if flg == 'open_usesmarthandler':
# We know these are problematic.
suffices = ('.ai', '.pdf', '.xmp')
if filename.lower().endswith(suffices):
continue
if flg == 'open_limitscanning':
# We know these are problematic.
suffices = ('.pdf', '.xmp')
if filename.lower().endswith(suffices):
continue
xmpfile = XMPFiles()
xmpfile.open_file(filename, **kwargs)
def get(self, request, pk, format=None):
try:
# retrieve the item from the file system
item = Item.objects.get(pk=pk)
item_path = os.path.join(settings.MEDIA_ROOT, str(item.file))
# extract the XMP metadata
xmpfile = XMPFiles()
xmpfile.open_file(item_path)
metadata = xmpfile.get_xmp()
xmpfile.close_file()
# save a new XMPMetadata object with the association
obj = XMPMetadata()
obj.item = item
obj.metadata = metadata
obj.save()
# return the extracted metadata
serializer = XMPMetadataSerializer(obj)
return Response(serializer.data)
except Exception as e:
print e
return Response(status=status.HTTP_404_NOT_FOUND)
def test_tiff_smarthandler(self):
"""Verify action of TIFF smarthandler when tag length > 255"""
# See issue 12
srcfile = pkg.resource_filename(__name__, "fixtures/zeros.tif")
with tempfile.NamedTemporaryFile(suffix='.tif') as tfile:
shutil.copyfile(srcfile, tfile.name)
# Create a tag with 280 chars.
xmpf = XMPFiles()
xmpf.open_file(tfile.name, open_forupdate=True)
xmp = xmpf.get_xmp()
blurb = "Some really long text blurb "
xmp.set_property(NS_PHOTOSHOP, 'Headline', blurb * 10)
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf.open_file(tfile.name, usesmarthandler=True)
xmp = xmpf.get_xmp()
prop = xmp.get_property(NS_PHOTOSHOP, "Headline")
xmpf.close_file()
self.assertEqual(prop, blurb * 10)
def test_can_inject_xmp_info_png(self):
"""Verify behavior of being able to inject XMP into barren PNG"""
# See issue 40
srcfile = pkg.resource_filename(__name__, os.path.join("fixtures",
"zeros.png"))
with tempfile.NamedTemporaryFile() as tfile:
shutil.copyfile(srcfile, tfile.name)
xmpf = XMPFiles()
xmpf.open_file(tfile.name, open_forupdate=True)
xmp = XMPMeta()
xmp.set_property(NS_PHOTOSHOP, "ICCProfile", "foo")
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf.open_file(tfile.name, usesmarthandler=True)
xmp = xmpf.get_xmp()
prop = xmp.get_property(NS_PHOTOSHOP, "ICCProfile")
xmpf.close_file()
self.assertEqual(prop, "foo")
def test_can_inject_xmp_info_png(self):
"""Verify behavior of being able to inject XMP into barren PNG"""
# See issue 40
srcfile = pkg.resource_filename(__name__,
os.path.join("fixtures", "zeros.png"))
with tempfile.NamedTemporaryFile() as tfile:
shutil.copyfile(srcfile, tfile.name)
xmpf = XMPFiles()
xmpf.open_file(tfile.name, open_forupdate=True)
xmp = XMPMeta()
xmp.set_property(NS_PHOTOSHOP, "ICCProfile", "foo")
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf.open_file(tfile.name, usesmarthandler=True)
xmp = xmpf.get_xmp()
prop = xmp.get_property(NS_PHOTOSHOP, "ICCProfile")
xmpf.close_file()
self.assertEqual(prop, "foo")
def test_tiff_smarthandler(self):
"""Verify action of TIFF smarthandler when tag length > 255"""
# See issue 12
srcfile = pkg.resource_filename(__name__, "fixtures/zeros.tif")
with tempfile.NamedTemporaryFile(suffix='.tif') as tfile:
shutil.copyfile(srcfile, tfile.name)
# Create a tag with 280 chars.
xmpf = XMPFiles()
xmpf.open_file(tfile.name, open_forupdate=True)
xmp = xmpf.get_xmp()
blurb = "Some really long text blurb "
xmp.set_property(NS_PHOTOSHOP, 'Headline', blurb * 10)
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf.open_file(tfile.name, usesmarthandler=True)
xmp = xmpf.get_xmp()
prop = xmp.get_property(NS_PHOTOSHOP, "Headline")
xmpf.close_file()
self.assertEqual(prop, blurb * 10)
def test_sturm_und_drang(self):
"""Should be able to write a property which includes umlauts."""
srcfile = pkg_resources.resource_filename(__name__,
"fixtures/zeros.tif")
with tempfile.NamedTemporaryFile(suffix='.tif') as tfile:
shutil.copyfile(srcfile, tfile.name)
expected_value = u'Stürm und Drang'
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name, open_forupdate=True)
xmp = xmpf.get_xmp()
xmp.set_property(NS_DC, "Title", expected_value)
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name)
xmp = xmpf.get_xmp()
actual_value = xmp.get_property(NS_DC, "Title")
xmpf.close_file()
self.assertEqual(actual_value, expected_value)
def test_sturm_und_drang(self):
"""Should be able to write a property which includes umlauts."""
srcfile = pkg_resources.resource_filename(__name__,
"fixtures/zeros.tif")
with tempfile.NamedTemporaryFile(suffix='.tif') as tfile:
shutil.copyfile(srcfile, tfile.name)
expected_value = u'Stürm und Drang'
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name, open_forupdate=True)
xmp = xmpf.get_xmp()
xmp.set_property(NS_DC, "Title", expected_value)
xmpf.put_xmp(xmp)
xmpf.close_file()
xmpf = XMPFiles()
xmpf.open_file(file_path=tfile.name)
xmp = xmpf.get_xmp()
actual_value = xmp.get_property(NS_DC, "Title")
xmpf.close_file()
self.assertEqual(actual_value, expected_value)
def test_non_ascii_filename(self):
"""
repr must not fail on files with non-ascii characters
See issue 36
"""
# Rename one of the test files to use non-ascii characters.
relpath = os.path.join('samples', 'BlueSquare.tif')
srcfile = pkg.resource_filename(__name__, relpath)
tdir = tempfile.mkdtemp()
destdir = os.path.join(tdir, u"éà*çc! teeest!!")
os.makedirs(destdir)
with tempfile.NamedTemporaryFile(dir=destdir,
prefix="image",
suffix=".tif") as tfile:
with open(srcfile, 'rb') as srcfile:
tfile.write(srcfile.read())
tfile.seek(0)
xf = XMPFiles()
xf.open_file(file_path=tfile.name)
# This was the point of failure in python2
actual = repr(xf)
self.assertTrue(actual.startswith("XMPFiles(file_path="))
if sys.hexversion < 0x03000000:
# The directory path (up to the non-ascii portion) should be
# in the output.
self.assertIn(tdir, actual)
else:
# The complete directory path should be present in the repr-ed
# string under python3.
self.assertIn(destdir, actual)
shutil.rmtree(tdir)
def test_non_ascii_filename(self):
"""
repr must not fail on files with non-ascii characters
See issue 36
"""
# Rename one of the test files to use non-ascii characters.
relpath = os.path.join('samples', 'BlueSquare.tif')
srcfile = pkg.resource_filename(__name__, relpath)
tdir = tempfile.mkdtemp()
destdir = os.path.join(tdir, u"éà*çc! teeest!!")
os.makedirs(destdir)
with tempfile.NamedTemporaryFile(dir=destdir,
prefix="image",
suffix=".tif") as tfile:
with open(srcfile, 'rb') as srcfile:
tfile.write(srcfile.read())
tfile.seek(0)
xf = XMPFiles()
xf.open_file(file_path=tfile.name)
# This was the point of failure in python2
actual = repr(xf)
self.assertTrue(actual.startswith("XMPFiles(file_path="))
if sys.hexversion < 0x03000000:
# The directory path (up to the non-ascii portion) should be
# in the output.
self.assertIn(tdir, actual)
else:
# The complete directory path should be present in the repr-ed
# string under python3.
self.assertIn(destdir, actual)
shutil.rmtree(tdir)
def test_open_file(self):
# Non-existing file.
xmpfile = XMPFiles()
with self.assertRaises(IOError):
xmpfile.open_file('')
xmpfile = XMPFiles()
xmpfile.open_file( self.samplefiles[0] )
self.assertRaises( XMPError, xmpfile.open_file, self.samplefiles[0] )
self.assertRaises( XMPError, xmpfile.open_file, self.samplefiles[1] )
xmpfile.close_file()
xmpfile.open_file( self.samplefiles[1] )
self.assertRaises( XMPError, xmpfile.open_file, self.samplefiles[0] )
# Open all sample files.
for filename in self.samplefiles:
xmpfile = XMPFiles()
xmpfile.open_file(filename)
# Try using init
for filename in self.samplefiles:
xmpfile = XMPFiles(file_path=filename)
def test_open_file(self):
# Non-existing file.
xmpfile = XMPFiles()
with self.assertRaises(IOError):
xmpfile.open_file('')
xmpfile = XMPFiles()
xmpfile.open_file(self.samplefiles[0])
self.assertRaises(XMPError, xmpfile.open_file, self.samplefiles[0])
self.assertRaises(XMPError, xmpfile.open_file, self.samplefiles[1])
xmpfile.close_file()
xmpfile.open_file(self.samplefiles[1])
self.assertRaises(XMPError, xmpfile.open_file, self.samplefiles[0])
# Open all sample files.
for filename in self.samplefiles:
xmpfile = XMPFiles()
xmpfile.open_file(filename)
# Try using init
for filename in self.samplefiles:
xmpfile = XMPFiles(file_path=filename)
from libxmp.utils import object_to_dict
EQUALS = '=' * 78
DASHES = '-' * 78
# def touch(fname, mode=0o666, dir_fd=None, **kwargs):
# """https://stackoverflow.com/a/1160227/3249688"""
# flags = os.O_CREAT | os.O_APPEND
# with os.fdopen(os.open(fname, flags=flags, mode=mode, dir_fd=dir_fd)) as f:
# os.utime(f.fileno() if os.utime in os.supports_fd else fname,
# dir_fd=None if os.supports_fd else dir_fd, **kwargs)
if __name__ == '__main__':
xmpf = XMPFiles()
xmpf.open_file("eric_john_berquist_etd.pdf")
xmp = xmpf.get_xmp()
xmpf.close_file()
# Inspect the formatted XMP.
xmpfilename = "eric_john_berquist_etd.xmp"
with open(xmpfilename, 'w') as xmpfile:
xmpfile.write(str(xmp))
d = object_to_dict(xmp)
d_json = dict()
for k in d:
print(EQUALS)
print(k)
print(DASHES)
def readmetadata(fname):
#read metadata from tiff
xf = XMPFiles()
xf.open_file(file)
xmp = xf.get_xmp()
from glob import glob
import time
from libxmp import XMPFiles
import uuid
start = time.time()
files = glob('*IMAGE*/*.tif*')
nfiles = len(files)
for file in files:
#name for jp2 image
fjp2 = "{}.jp2".format(file.split('.tif')[0])
#read metadata from tiff
xf = XMPFiles()
xf.open_file(file)
xmp = xf.get_xmp()
#read bitmap from tiff
image = io.imread(file, plugin='tifffile')
#write bitmap to jp2 image
jp2 = glymur.Jp2k(fjp2, 'wb')
jp2[:] = image
#append metadata in uuid box
xmp_uuid = uuid.UUID('be7acfcb-97a9-42e8-9c71-999491e3afac')
box = glymur.jp2box.UUIDBox(xmp_uuid, str(xmp))
jp2.append(box)
#write second resolution as thumbnail
jt = glymur.Jp2k("thumb" + fjp2, 'wb')
jt[:] = jp2.read(rlevel=2)
end = time.time()
import time
from libxmp import XMPFiles
import uuid
start = time.time()
files = glob("*IMAGE*/*.tif*")
nfiles = len(files)
for file in files:
# name for jp2 image
fjp2 = "{}.jp2".format(file.split(".tif")[0])
# read metadata from tiff
xf = XMPFiles()
xf.open_file(file)
xmp = xf.get_xmp()
# read bitmap from tiff
image = io.imread(file, plugin="tifffile")
# write bitmap to jp2 image
jp2 = glymur.Jp2k(fjp2, "wb")
jp2[:] = image
# append metadata in uuid box
xmp_uuid = uuid.UUID("be7acfcb-97a9-42e8-9c71-999491e3afac")
box = glymur.jp2box.UUIDBox(xmp_uuid, str(xmp))
jp2.append(box)
# write second resolution as thumbnail
jt = glymur.Jp2k("thumb" + fjp2, "wb")
jt[:] = jp2.read(rlevel=2)
end = time.time()
def readmetadata(fname):
#read metadata from tiff
xf = XMPFiles()
xf.open_file(file)
xmp = xf.get_xmp()
