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-rw-r--r--src/exiv2wrapper.cpp17
-rw-r--r--src/exiv2wrapper.hpp4
-rw-r--r--src/exiv2wrapper_python.cpp1
-rw-r--r--src/pyexiv2.py10
-rw-r--r--unittest/metadata.py33
-rw-r--r--unittest/xmp.py32
6 files changed, 81 insertions, 16 deletions
diff --git a/src/exiv2wrapper.cpp b/src/exiv2wrapper.cpp
index b91a2ac..9b0a5da 100644
--- a/src/exiv2wrapper.cpp
+++ b/src/exiv2wrapper.cpp
@@ -375,6 +375,23 @@ void Image::setXmpTagValue(std::string key, std::string value)
_xmpData[key] = value;
}
+void Image::deleteXmpTag(std::string key)
+{
+ if(!_dataRead)
+ {
+ throw Exiv2::Error(METADATA_NOT_READ);
+ }
+
+ Exiv2::XmpKey xmpKey = Exiv2::XmpKey(key);
+ Exiv2::XmpMetadata::iterator i = _xmpData.findKey(xmpKey);
+ if(i != _xmpData.end())
+ {
+ _xmpData.erase(i);
+ }
+ else
+ throw Exiv2::Error(KEY_NOT_FOUND, key);
+}
+
/*
boost::python::tuple Image::getThumbnailData()
{
diff --git a/src/exiv2wrapper.hpp b/src/exiv2wrapper.hpp
index 02c1d1a..56b636e 100644
--- a/src/exiv2wrapper.hpp
+++ b/src/exiv2wrapper.hpp
@@ -115,6 +115,10 @@ public:
void setXmpTagValue(std::string key, std::string value);
+ // Delete the required XMP tag.
+ // Throw an exception if the tag was not set.
+ void deleteXmpTag(std::string key);
+
// Read and write access to the thumbnail embedded in the image.
// Return a tuple containing the format of the thumbnail ("TIFF" or
diff --git a/src/exiv2wrapper_python.cpp b/src/exiv2wrapper_python.cpp
index c7bda03..c4eb9d8 100644
--- a/src/exiv2wrapper_python.cpp
+++ b/src/exiv2wrapper_python.cpp
@@ -63,6 +63,7 @@ BOOST_PYTHON_MODULE(libexiv2python)
.def("xmpKeys", &Image::xmpKeys)
.def("getXmpTag", &Image::getXmpTag)
.def("setXmpTagValue", &Image::setXmpTagValue)
+ .def("deleteXmpTag", &Image::deleteXmpTag)
// .def("getThumbnailData", &Image::getThumbnailData)
// .def("setThumbnailData", &Image::setThumbnailData)
diff --git a/src/pyexiv2.py b/src/pyexiv2.py
index 677ef7e..309c112 100644
--- a/src/pyexiv2.py
+++ b/src/pyexiv2.py
@@ -1210,8 +1210,14 @@ class ImageMetadata(object):
pass
def _delete_xmp_tag(self, key):
- # TODO
- raise NotImplementedError()
+ if key not in self.xmp_keys:
+ raise KeyError('Cannot delete an inexistent tag')
+ self._image.deleteXmpTag(key)
+ try:
+ del self._tags['xmp'][key]
+ except KeyError:
+ # The tag was not cached.
+ pass
def __delitem__(self, key):
"""
diff --git a/unittest/metadata.py b/unittest/metadata.py
index 62918c5..6d106ec 100644
--- a/unittest/metadata.py
+++ b/unittest/metadata.py
@@ -82,6 +82,12 @@ class ImageMock(object):
def setXmpTagValue(self, key, value):
self.tags['xmp'][key] = value
+ def deleteXmpTag(self, key):
+ try:
+ del self.tags['xmp'][key]
+ except KeyError:
+ pass
+
class TestImageMetadata(unittest.TestCase):
@@ -555,16 +561,31 @@ class TestImageMetadata(unittest.TestCase):
self.assertEqual(self.metadata._image.tags['xmp'][key], value)
def test_delete_xmp_tag_inexistent(self):
- # TODO
- raise(NotImplementedError())
+ self.metadata.read()
+ self._set_xmp_tags()
+ key = 'Xmp.xmp.CreatorTool'
+ self.failUnlessRaises(KeyError, self.metadata._delete_xmp_tag, key)
def test_delete_xmp_tag_not_cached(self):
- # TODO
- raise(NotImplementedError())
+ self.metadata.read()
+ self._set_xmp_tags()
+ key = 'Xmp.dc.subject'
+ self.assertEqual(self.metadata._tags['xmp'], {})
+ self.assert_(self.metadata._image.tags['xmp'].has_key(key))
+ self.metadata._delete_xmp_tag(key)
+ self.assertEqual(self.metadata._tags['xmp'], {})
+ self.failIf(self.metadata._image.tags['xmp'].has_key(key))
def test_delete_xmp_tag_cached(self):
- # TODO
- raise(NotImplementedError())
+ self.metadata.read()
+ self._set_xmp_tags()
+ key = 'Xmp.dc.subject'
+ self.assert_(self.metadata._image.tags['xmp'].has_key(key))
+ tag = self.metadata._get_xmp_tag(key)
+ self.assertEqual(self.metadata._tags['xmp'][key], tag)
+ self.metadata._delete_xmp_tag(key)
+ self.assertEqual(self.metadata._tags['xmp'], {})
+ self.failIf(self.metadata._image.tags['xmp'].has_key(key))
###########################
# Test dictionary interface
diff --git a/unittest/xmp.py b/unittest/xmp.py
index 4b977ca..be08e80 100644
--- a/unittest/xmp.py
+++ b/unittest/xmp.py
@@ -318,7 +318,7 @@ class TestXmpTag(unittest.TestCase):
# TODO: other types
- def test_set_values_no_metadata(self):
+ def test_set_value_no_metadata(self):
tag = XmpTag('Xmp.xmp.ModifyDate', 'ModifyDate', 'Modify Date',
'The date and time the resource was last modified. Note:' \
' The value of this property is not necessarily the same' \
@@ -329,7 +329,7 @@ class TestXmpTag(unittest.TestCase):
tag.value = datetime.datetime(2009, 4, 22, 8, 30, 27, tzinfo=FixedOffset())
self.failIfEqual(tag.value, old_value)
- def test_set_values_with_metadata(self):
+ def test_set_value_with_metadata(self):
tag = XmpTag('Xmp.xmp.ModifyDate', 'ModifyDate', 'Modify Date',
'The date and time the resource was last modified. Note:' \
' The value of this property is not necessarily the same' \
@@ -342,10 +342,26 @@ class TestXmpTag(unittest.TestCase):
self.failIfEqual(tag.value, old_value)
self.assertEqual(tag.metadata.tags[tag.key], '2009-04-22T08:30:27Z')
- def test_del_values_no_metadata(self):
- # TODO
- raise NotImplementedError()
+ def test_del_value_no_metadata(self):
+ tag = XmpTag('Xmp.xmp.ModifyDate', 'ModifyDate', 'Modify Date',
+ 'The date and time the resource was last modified. Note:' \
+ ' The value of this property is not necessarily the same' \
+ "as the file's system modification date because it is " \
+ 'set before the file is saved.', 'Date',
+ '2005-09-07T15:09:51-07:00')
+ del tag.value
+ self.failIf(hasattr(tag, 'value'))
- def test_del_values_with_metadata(self):
- # TODO
- raise NotImplementedError()
+ def test_del_value_with_metadata(self):
+ tag = XmpTag('Xmp.xmp.ModifyDate', 'ModifyDate', 'Modify Date',
+ 'The date and time the resource was last modified. Note:' \
+ ' The value of this property is not necessarily the same' \
+ "as the file's system modification date because it is " \
+ 'set before the file is saved.', 'Date',
+ '2005-09-07T15:09:51-07:00')
+ tag.metadata = ImageMetadataMock()
+ tag.metadata._set_xmp_tag_value(tag.key, tag.to_string())
+ self.assertEqual(tag.metadata.tags, {tag.key: '2005-09-07T15:09:51-07:00'})
+ del tag.value
+ self.failIf(hasattr(tag, 'value'))
+ self.failIf(tag.metadata.tags.has_key(tag.key))