def test_convert_to_python_string(self):
# Valid values
tag = IptcTag('Iptc.Application2.Subject')
self.assertEqual(tag.type, 'String')
self.assertEqual(tag._convert_to_python('Some text.'), 'Some text.')
self.assertEqual(tag._convert_to_python('Some text with exotic chàräctérʐ.'),
'Some text with exotic chàräctérʐ.')
def test_setitem(metadata_ro):
m = metadata_ro.metadata
m.read()
# Set new tags
key = 'Exif.Photo.ExposureBiasValue'
tag = ExifTag(key, make_fraction(0, 3))
m[key] = tag
assert key in m._tags['exif']
assert m._tags['exif'][key] == tag
key = 'Iptc.Application2.City'
tag = IptcTag(key, ['Barcelona'])
m[key] = tag
assert key in m._tags['iptc']
assert m._tags['iptc'][key] == tag
key = 'Xmp.dc.description'
tag = XmpTag(key, {'x-default': 'Sunset picture.'})
m[key] = tag
assert key in m._tags['xmp']
assert m._tags['xmp'][key] == tag
# Replace existing tags
key = 'Exif.Photo.ExifVersion'
tag = ExifTag(key, '0220')
m[key] = tag
assert key in m._tags['exif']
assert m._tags['exif'][key] == tag
key = 'Iptc.Application2.Caption'
tag = IptcTag(key, ['Sunset on Barcelona.'])
m[key] = tag
assert key in m._tags['iptc']
assert m._tags['iptc'][key] == tag
key = 'Xmp.dc.subject'
tag = XmpTag(key, ['sunset', 'Barcelona', 'beautiful', 'beach'])
m[key] = tag
assert key in m._tags['xmp']
assert m._tags['xmp'][key] == tag
def test_deprecated_properties(self):
# The .raw_values and .values properties are deprecated in favour of
# .raw_value and .value. Check that they still work for backward
# compatibility and that they issue a deprecation warning.
# See https://launchpad.net/bugs/617557.
tag = IptcTag('Iptc.Application2.City', ['Barcelona'])
raw_value = tag.raw_value
value = tag.value
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilter('always')
self.assertEqual(tag.raw_values, raw_value)
self.assertEqual(len(w), 1)
self.assert_(issubclass(w[-1].category, DeprecationWarning))
self.assertEqual(tag.values, value)
self.assertEqual(len(w), 2)
self.assert_(issubclass(w[-1].category, DeprecationWarning))
tag.raw_values = ['Madrid']
self.assertEqual(len(w), 3)
self.assert_(issubclass(w[-1].category, DeprecationWarning))
tag.values = ['Madrid']
self.assertEqual(len(w), 4)
self.assert_(issubclass(w[-1].category, DeprecationWarning))
def test_convert_to_python_string(self):
# Valid values
tag = IptcTag('Iptc.Application2.Subject')
self.assertEqual(tag.type, 'String')
self.assertEqual(tag._convert_to_python('Some text.'), 'Some text.')
self.assertEqual(tag._convert_to_python('Some text with exotic chàräctérʐ.'),
'Some text with exotic chàräctérʐ.')
def test_setitem(self):
self.metadata.read()
# Set new tags
key = 'Exif.Photo.ExposureBiasValue'
tag = ExifTag(key, make_fraction(0, 3))
self.metadata[key] = tag
self.failUnless(key in self.metadata._tags['exif'])
self.failUnlessEqual(self.metadata._tags['exif'][key], tag)
key = 'Iptc.Application2.City'
tag = IptcTag(key, ['Barcelona'])
self.metadata[key] = tag
self.failUnless(key in self.metadata._tags['iptc'])
self.failUnlessEqual(self.metadata._tags['iptc'][key], tag)
key = 'Xmp.dc.description'
tag = XmpTag(key, {'x-default': 'Sunset picture.'})
self.metadata[key] = tag
self.failUnless(key in self.metadata._tags['xmp'])
self.failUnlessEqual(self.metadata._tags['xmp'][key], tag)
# Replace existing tags
key = 'Exif.Photo.ExifVersion'
tag = ExifTag(key, '0220')
self.metadata[key] = tag
self.failUnless(key in self.metadata._tags['exif'])
self.failUnlessEqual(self.metadata._tags['exif'][key], tag)
key = 'Iptc.Application2.Caption'
tag = IptcTag(key, ['Sunset on Barcelona.'])
self.metadata[key] = tag
self.failUnless(key in self.metadata._tags['iptc'])
self.failUnlessEqual(self.metadata._tags['iptc'][key], tag)
key = 'Xmp.dc.subject'
tag = XmpTag(key, ['sunset', 'Barcelona', 'beautiful', 'beach'])
self.metadata[key] = tag
self.failUnless(key in self.metadata._tags['xmp'])
self.failUnlessEqual(self.metadata._tags['xmp'][key], tag)
def test_convert_to_python_undefined(self):
# Valid values
tag = IptcTag('Iptc.Application2.Preview')
self.assertEqual(tag.type, 'Undefined')
self.assertEqual(tag._convert_to_python('Some binary data.'),
'Some binary data.')
self.assertEqual(tag._convert_to_python('�lj1�eEϟ�u����ᒻ;C(�SpI]� ��QI�}'),
'�lj1�eEϟ�u����ᒻ;C(�SpI]� ��QI�}')
def test_convert_to_python_undefined(self):
# Valid values
tag = IptcTag('Iptc.Application2.Preview')
self.assertEqual(tag.type, 'Undefined')
self.assertEqual(tag._convert_to_python('Some binary data.'),
'Some binary data.')
self.assertEqual(tag._convert_to_python('�lj1�eEϟ�u����ᒻ;C(�SpI]� ��QI�}'),
'�lj1�eEϟ�u����ᒻ;C(�SpI]� ��QI�}')
def test_convert_to_string_short(self):
# Valid values
tag = IptcTag('Iptc.Envelope.FileFormat')
self.assertEqual(tag.type, 'Short')
self.assertEqual(tag._convert_to_string(123), '123')
self.assertEqual(tag._convert_to_string(-57), '-57')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, 'invalid')
self.failUnlessRaises(IptcValueError, tag._convert_to_string, 3.14)
def test_convert_to_string_string(self):
# Valid values
tag = IptcTag('Iptc.Application2.Subject')
self.assertEqual(tag.type, 'String')
self.assertEqual(tag._convert_to_string('Some text'), b'Some text')
self.assertEqual(tag._convert_to_string('Some text with exotic chàräctérʐ.'),
b'Some text with exotic ch\xc3\xa0r\xc3\xa4ct\xc3\xa9r\xca\x90.')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, None)
def test_convert_to_string_short(self):
# Valid values
tag = IptcTag('Iptc.Envelope.FileFormat')
self.assertEqual(tag.type, 'Short')
self.assertEqual(tag._convert_to_string(123), '123')
self.assertEqual(tag._convert_to_string(-57), '-57')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, 'invalid')
self.failUnlessRaises(IptcValueError, tag._convert_to_string, 3.14)
def test_convert_to_string_undefined(self):
# Valid values
tag = IptcTag('Iptc.Application2.Preview')
self.assertEqual(tag.type, 'Undefined')
self.assertEqual(tag._convert_to_string('Some binary data.'),
'Some binary data.')
self.assertEqual(tag._convert_to_string('�lj1�eEϟ�u����ᒻ;C(�SpI]� ��QI�}'),
'�lj1�eEϟ�u����ᒻ;C(�SpI]� ��QI�}')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, None)
def test_convert_to_string_undefined(self):
# Valid values
tag = IptcTag('Iptc.Application2.Preview')
self.assertEqual(tag.type, 'Undefined')
self.assertEqual(tag._convert_to_string('Some binary data.'),
'Some binary data.')
self.assertEqual(tag._convert_to_string('�lj1�eEϟ�u����ᒻ;C(�SpI]� ��QI�}'),
'�lj1�eEϟ�u����ᒻ;C(�SpI]� ��QI�}')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, None)
def test_convert_to_string_string(self):
# Valid values
tag = IptcTag('Iptc.Application2.Subject')
self.assertEqual(tag.type, 'String')
self.assertEqual(tag._convert_to_string(u'Some text'), 'Some text')
self.assertEqual(tag._convert_to_string(u'Some text with exotic chàräctérʐ.'),
'Some text with exotic chàräctérʐ.')
self.assertEqual(tag._convert_to_string('Some text with exotic chàräctérʐ.'),
'Some text with exotic chàräctérʐ.')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, None)
def _set_iptc_tag(self, key, tag_or_values):
# Set an IPTC tag. If the tag already exists, its values are
# overwritten.
if isinstance(tag_or_values, IptcTag):
tag = tag_or_values
else:
# As a handy shortcut, accept direct value assignment.
tag = IptcTag(key, tag_or_values)
tag._set_owner(self)
self._tags['iptc'][tag.key] = tag
if tag.key not in self.iptc_keys:
self._keys['iptc'].append(tag.key)
def _set_iptc_tag(self, key, tag_or_values):
# Set an IPTC tag. If the tag already exists, its values are
# overwritten.
if isinstance(tag_or_values, IptcTag):
tag = tag_or_values
else:
# As a handy shortcut, accept direct value assignment.
tag = IptcTag(key, tag_or_values)
tag._set_owner(self)
self._tags['iptc'][tag.key] = tag
if tag.key not in self.iptc_keys:
self._keys['iptc'].append(tag.key)
def test_convert_to_python_short(self):
# Valid values
tag = IptcTag('Iptc.Envelope.FileFormat')
self.assertEqual(tag.type, 'Short')
self.assertEqual(tag._convert_to_python('23'), 23)
self.assertEqual(tag._convert_to_python('+5628'), 5628)
self.assertEqual(tag._convert_to_python('-4'), -4)
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_python, 'abc')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '5,64')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '47.0001')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '1E3')
def test_convert_to_string_time_with_real_timezones(self):
if pytz is None:
# Poor man’s test skipping. Starting with Python 2.7, decorators are
# available to implement this in a cleaner fashion
# (http://docs.python.org/library/unittest.html#unittest-skipping).
print 'Install python-tz to run this test. Skipping.'
return
tag = IptcTag('Iptc.Envelope.TimeSent')
self.assertEqual(tag.type, 'Time')
t = pytz.timezone('UTC').localize(datetime.datetime(2011, 2, 2, 10, 52, 4))
self.assertEqual(tag._convert_to_string(t), '10:52:04+00:00')
t = pytz.timezone('CET').localize(datetime.datetime(2011, 2, 2, 10, 52, 4))
self.assertEqual(tag._convert_to_string(t), '10:52:04+01:00')
def test_convert_to_python_short(self):
# Valid values
tag = IptcTag('Iptc.Envelope.FileFormat')
self.assertEqual(tag.type, 'Short')
self.assertEqual(tag._convert_to_python('23'), 23)
self.assertEqual(tag._convert_to_python('+5628'), 5628)
self.assertEqual(tag._convert_to_python('-4'), -4)
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_python, 'abc')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '5,64')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '47.0001')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '1E3')
def test_convert_to_python_date(self):
# Valid values
tag = IptcTag('Iptc.Envelope.DateSent')
self.assertEqual(tag.type, 'Date')
self.assertEqual(tag._convert_to_python('1999-10-13'),
datetime.date(1999, 10, 13))
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_python, 'invalid')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '11/10/1983')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '-1000')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '2009-02')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '2009-10-32')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '2009-02-24T22:12:54')
def test_convert_to_python_date(self):
# Valid values
tag = IptcTag('Iptc.Envelope.DateSent')
self.assertEqual(tag.type, 'Date')
self.assertEqual(tag._convert_to_python('1999-10-13'),
datetime.date(1999, 10, 13))
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_python, 'invalid')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '11/10/1983')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '-1000')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '2009-02')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '2009-10-32')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '2009-02-24T22:12:54')
def test_convert_to_string_date(self):
# Valid values
tag = IptcTag('Iptc.Envelope.DateSent')
self.assertEqual(tag.type, 'Date')
self.assertEqual(tag._convert_to_string(datetime.date(2009, 2, 4)),
'2009-02-04')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13)),
'1999-10-13')
self.assertEqual(tag._convert_to_string(datetime.datetime(2009, 2, 4)),
'2009-02-04')
self.assertEqual(tag._convert_to_string(datetime.datetime(2009, 2, 4, 10, 52, 37)),
'2009-02-04')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, 'invalid')
self.failUnlessRaises(IptcValueError, tag._convert_to_string, None)
def _set_iptc_tag(self, key, tag_or_values):
"""Set an IPTC tag. If the tag already exists, its value is overwritten.
Args:
key -- the IPTC key
tag_or_value -- an IptcTag instance or the value of the data
"""
if isinstance(tag_or_values, IptcTag):
tag = tag_or_values
else:
# As a handy shortcut, accept direct value assignment.
tag = IptcTag(key, tag_or_values)
tag._set_owner(self)
self._tags['iptc'][tag.key] = tag
if tag.key not in self.iptc_keys:
self._keys['iptc'].append(tag.key)
def test_convert_to_python_time(self):
# Valid values
tag = IptcTag('Iptc.Envelope.TimeSent')
self.assertEqual(tag.type, 'Time')
self.assertEqual(tag._convert_to_python('05:03:54+00:00'),
datetime.time(5, 3, 54, tzinfo=FixedOffset()))
self.assertEqual(tag._convert_to_python('05:03:54+06:00'),
datetime.time(5, 3, 54, tzinfo=FixedOffset('+', 6, 0)))
self.assertEqual(tag._convert_to_python('05:03:54-10:30'),
datetime.time(5, 3, 54, tzinfo=FixedOffset('-', 10, 30)))
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_python, 'invalid')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '23:12:42')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '25:12:42+00:00')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '21:77:42+00:00')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '21:12:98+00:00')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '081242+0000')
def test_convert_to_python_time(self):
# Valid values
tag = IptcTag('Iptc.Envelope.TimeSent')
self.assertEqual(tag.type, 'Time')
self.assertEqual(tag._convert_to_python('05:03:54+00:00'),
datetime.time(5, 3, 54, tzinfo=FixedOffset()))
self.assertEqual(tag._convert_to_python('05:03:54+06:00'),
datetime.time(5, 3, 54, tzinfo=FixedOffset('+', 6, 0)))
self.assertEqual(tag._convert_to_python('05:03:54-10:30'),
datetime.time(5, 3, 54, tzinfo=FixedOffset('-', 10, 30)))
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_python, 'invalid')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '23:12:42')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '25:12:42+00:00')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '21:77:42+00:00')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '21:12:98+00:00')
self.failUnlessRaises(IptcValueError, tag._convert_to_python, '081242+0000')
def test_set_iptc_tag_overwrite(metadata_ro):
m = metadata_ro.metadata
m.read()
assert m._tags['iptc'] == {}
# Overwrite an existing tag
tag = IptcTag('Iptc.Application2.Caption', ['A picture.'])
m._set_iptc_tag(tag.key, tag)
assert m._tags['iptc'] == {tag.key: tag}
assert tag.key in m._image._iptcKeys()
assert m._image._getIptcTag(tag.key)._getRawValues() == [b'A picture.']
def _get_iptc_tag(self, key):
# Return the IPTC tag for the given key.
# Throw a KeyError if the tag doesn't exist.
try:
return self._tags['iptc'][key]
except KeyError:
_tag = self._image._getIptcTag(key)
tag = IptcTag._from_existing_tag(_tag)
self._tags['iptc'][key] = tag
return tag
def _get_iptc_tag(self, key):
# Return the IPTC tag for the given key.
# Throw a KeyError if the tag doesn't exist.
try:
return self._tags['iptc'][key]
except KeyError:
_tag = self._image._getIptcTag(key)
tag = IptcTag._from_existing_tag(_tag)
self._tags['iptc'][key] = tag
return tag
def test_set_iptc_tag_overwrite(self):
self.metadata.read()
self.assertEqual(self.metadata._tags['iptc'], {})
# Overwrite an existing tag
tag = IptcTag('Iptc.Application2.Caption', ['A picture.'])
self.metadata._set_iptc_tag(tag.key, tag)
self.assertEqual(self.metadata._tags['iptc'], {tag.key: tag})
self.assert_(tag.key in self.metadata._image._iptcKeys())
self.assertEqual(
self.metadata._image._getIptcTag(tag.key)._getRawValues(),
['A picture.'])
def test_set_iptc_tag_create(metadata_ro):
m = metadata_ro.metadata
m.read()
assert m._tags['iptc'] == {}
# Create a new tag
tag = IptcTag('Iptc.Application2.Writer', ['Nobody'])
assert tag.key not in m.iptc_keys
m._set_iptc_tag(tag.key, tag)
assert tag.key in m.iptc_keys
assert m._tags['iptc'] == {tag.key: tag}
assert tag.key in m._image._iptcKeys()
assert m._image._getIptcTag(tag.key)._getRawValues() == [b'Nobody']
def test_set_iptc_tag_overwrite_already_cached(metadata_ro):
m = metadata_ro.metadata
m.read()
assert m._tags['iptc'] == {}
# Overwrite an existing tag already cached
key = 'Iptc.Application2.Caption'
tag = m._get_iptc_tag(key)
assert m._tags['iptc'][key] == tag
new_tag = IptcTag(key, ['A picture.'])
m._set_iptc_tag(key, new_tag)
assert m._tags['iptc'] == {key: new_tag}
assert key in m._image._iptcKeys()
assert m._image._getIptcTag(key)._getRawValues() == [b'A picture.']
def test_set_iptc_tag_create(self):
self.metadata.read()
self.assertEqual(self.metadata._tags['iptc'], {})
# Create a new tag
tag = IptcTag('Iptc.Application2.Writer', ['Nobody'])
self.assert_(tag.key not in self.metadata.iptc_keys)
self.metadata._set_iptc_tag(tag.key, tag)
self.assert_(tag.key in self.metadata.iptc_keys)
self.assertEqual(self.metadata._tags['iptc'], {tag.key: tag})
self.assert_(tag.key in self.metadata._image._iptcKeys())
self.assertEqual(
self.metadata._image._getIptcTag(tag.key)._getRawValues(),
['Nobody'])
def test_set_iptc_tag_overwrite_already_cached(self):
self.metadata.read()
self.assertEqual(self.metadata._tags['iptc'], {})
# Overwrite an existing tag already cached
key = 'Iptc.Application2.Caption'
tag = self.metadata._get_iptc_tag(key)
self.assertEqual(self.metadata._tags['iptc'][key], tag)
new_tag = IptcTag(key, ['A picture.'])
self.metadata._set_iptc_tag(key, new_tag)
self.assertEqual(self.metadata._tags['iptc'], {key: new_tag})
self.assert_(key in self.metadata._image._iptcKeys())
self.assertEqual(
self.metadata._image._getIptcTag(key)._getRawValues(),
['A picture.'])
def test_pickle_iptc_tag(self):
tags = []
tags.append(IptcTag('Iptc.Envelope.FileFormat', [23]))
tags.append(IptcTag('Iptc.Application2.Subject', ['foo', 'bar', 'baz']))
tags.append(IptcTag('Iptc.Envelope.DateSent', [datetime.date.today()]))
tags.append(IptcTag('Iptc.Envelope.TimeSent',
[datetime.time(23, 37, 4, tzinfo=FixedOffset('+', 6, 0))]))
tags.append(IptcTag('Iptc.Application2.Preview', ['01001101']))
for tag in tags:
s = pickle.dumps(tag)
t = pickle.loads(s)
self.assert_(isinstance(t, IptcTag))
self.assertEqual(t.key, tag.key)
self.assertEqual(t.type, tag.type)
self.assertEqual(t.name, tag.name)
self.assertEqual(t.title, tag.title)
self.assertEqual(t.description, tag.description)
self.assertEqual(t.photoshop_name, tag.photoshop_name)
self.assertEqual(t.repeatable, tag.repeatable)
self.assertEqual(t.record_name, tag.record_name)
self.assertEqual(t.record_description, tag.record_description)
self.assertEqual(t.raw_value, tag.raw_value)
self.assertEqual(t.value, tag.value)
def test_convert_to_string_date(self):
# Valid values
tag = IptcTag('Iptc.Envelope.DateSent')
self.assertEqual(tag.type, 'Date')
self.assertEqual(tag._convert_to_string(datetime.date(2009, 2, 4)),
'2009-02-04')
self.assertEqual(tag._convert_to_string(datetime.date(1899, 12, 31)),
'1899-12-31')
self.assertEqual(tag._convert_to_string(datetime.datetime(1999, 10, 13)),
'1999-10-13')
self.assertEqual(tag._convert_to_string(datetime.datetime(2009, 2, 4)),
'2009-02-04')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31)),
'1899-12-31')
self.assertEqual(tag._convert_to_string(datetime.datetime(2009, 2, 4, 10, 52, 37)),
'2009-02-04')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59)),
'1899-12-31')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, 'invalid')
self.failUnlessRaises(IptcValueError, tag._convert_to_string, None)
def test_mutablemapping(self):
self._set_up_clean()
self.clean.read()
self.assertEqual(len(self.clean), 0)
self.assertTrue('Exif.Image.DateTimeOriginal' not in self.clean)
key = 'Exif.Image.DateTimeOriginal'
correctDate = datetime.datetime(2007, 3, 11)
incorrectDate = datetime.datetime(2009, 3, 25)
tag_date = ExifTag(key, correctDate)
false_tag_date = ExifTag(key, incorrectDate)
self.clean[key] = tag_date
self.assertEqual(len(self.clean), 1)
self.assertTrue('Exif.Image.DateTimeOriginal' in self.clean)
self.assertEqual(
self.clean.get('Exif.Image.DateTimeOriginal', false_tag_date),
tag_date)
self.assertEqual(self.clean.get('Exif.Image.DateTime', tag_date),
tag_date)
key = 'Exif.Photo.UserComment'
tag = ExifTag(key, 'UserComment')
self.clean[key] = tag
key = 'Iptc.Application2.Caption'
tag = IptcTag(key, ['Caption'])
self.clean[key] = tag
key = 'Xmp.dc.subject'
tag = XmpTag(key, ['subject', 'values'])
self.clean[key] = tag
self.assertTrue('Exif.Photo.UserComment' in self.clean)
self.assertTrue('Iptc.Application2.Caption' in self.clean)
self.assertTrue('Xmp.dc.subject' in self.clean)
self.clean.clear()
self.assertEqual(len(self.clean), 0)
self.assertTrue('Exif.Photo.UserComment' not in self.clean)
self.assertTrue('Iptc.Application2.Caption' not in self.clean)
self.assertTrue('Xmp.dc.subject' not in self.clean)
def test_mutablemapping():
clean = ImageMetadata.from_buffer(EMPTY_JPG_DATA)
clean.read()
assert len(clean) == 0
assert 'Exif.Image.DateTimeOriginal' not in clean
key = 'Exif.Image.DateTimeOriginal'
correctDate = datetime.datetime(2007, 3, 11)
incorrectDate = datetime.datetime(2009, 3, 25)
tag_date = ExifTag(key, correctDate)
false_tag_date = ExifTag(key, incorrectDate)
clean[key] = tag_date
assert len(clean) == 1
assert 'Exif.Image.DateTimeOriginal' in clean
assert clean.get('Exif.Image.DateTimeOriginal', false_tag_date) == tag_date
assert clean.get('Exif.Image.DateTime', tag_date) == tag_date
key = 'Exif.Photo.UserComment'
tag = ExifTag(key, 'UserComment')
clean[key] = tag
key = 'Iptc.Application2.Caption'
tag = IptcTag(key, ['Caption'])
clean[key] = tag
key = 'Xmp.dc.subject'
tag = XmpTag(key, ['subject', 'values'])
clean[key] = tag
assert 'Exif.Photo.UserComment' in clean
assert 'Iptc.Application2.Caption' in clean
assert 'Xmp.dc.subject' in clean
clean.clear()
assert len(clean) == 0
assert 'Exif.Photo.UserComment' not in clean
assert 'Iptc.Application2.Caption' not in clean
assert 'Xmp.dc.subject' not in clean
def test_convert_to_string_time(self):
# Valid values
tag = IptcTag('Iptc.Envelope.TimeSent')
self.assertEqual(tag.type, 'Time')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4)),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, 574)),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, tzinfo=FixedOffset())),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, tzinfo=FixedOffset('+', 5, 30))),
'10:52:04+05:30')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, tzinfo=FixedOffset('-', 4, 0))),
'10:52:04-04:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59)),
'23:59:59+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4)),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, 999)),
'23:59:59+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, 478)),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset())),
'23:59:59+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, tzinfo=FixedOffset())),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset('+', 5, 30))),
'23:59:59+05:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, tzinfo=FixedOffset('+', 5, 30))),
'10:52:04+05:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset('-', 4, 0))),
'23:59:59-04:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, tzinfo=FixedOffset('-', 4, 0))),
'10:52:04-04:00')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, 'invalid')
def test_set_value(self):
tag = IptcTag('Iptc.Application2.City', ['Seattle'])
old_value = tag.value
tag.value = ['Barcelona']
self.failIfEqual(tag.value, old_value)
def test_convert_to_string_time(self):
# Valid values
tag = IptcTag('Iptc.Envelope.TimeSent')
self.assertEqual(tag.type, 'Time')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4)),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, 574)),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, tzinfo=FixedOffset())),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, tzinfo=FixedOffset('+', 5, 30))),
'10:52:04+05:30')
self.assertEqual(tag._convert_to_string(datetime.time(10, 52, 4, tzinfo=FixedOffset('-', 4, 0))),
'10:52:04-04:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59)),
'23:59:59+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4)),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, 999)),
'23:59:59+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, 478)),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset())),
'23:59:59+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, tzinfo=FixedOffset())),
'10:52:04+00:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset('+', 5, 30))),
'23:59:59+05:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, tzinfo=FixedOffset('+', 5, 30))),
'10:52:04+05:30')
self.assertEqual(tag._convert_to_string(datetime.datetime(1899, 12, 31, 23, 59, 59, tzinfo=FixedOffset('-', 4, 0))),
'23:59:59-04:00')
self.assertEqual(tag._convert_to_string(datetime.datetime(2007, 2, 7, 10, 52, 4, tzinfo=FixedOffset('-', 4, 0))),
'10:52:04-04:00')
# Invalid values
self.failUnlessRaises(IptcValueError, tag._convert_to_string, 'invalid')
def test_set_single_value_raises(self):
tag = IptcTag('Iptc.Application2.City', ['Seattle'])
self.failUnlessRaises(TypeError, setattr, tag, 'value', 'Barcelona')
def test_set_value(self):
tag = IptcTag('Iptc.Application2.City', ['Seattle'])
old_value = tag.value
tag.value = ['Barcelona']
self.failIfEqual(tag.value, old_value)
def test_set_raw_value_invalid(self):
tag = IptcTag('Iptc.Envelope.DateSent')
value = ['foo']
self.failUnlessRaises(ValueError, setattr, tag, 'raw_value', value)
def test_set_value_non_repeatable(self):
tag = IptcTag('Iptc.Application2.ReleaseDate')
value = [datetime.date.today(), datetime.date.today()]
self.failUnlessRaises(KeyError, setattr, tag, 'value', value)
