Tests passing on bare 2.6.6 python. #104

glymur/test/fixtures.py

@@ -11,6 +11,18 @@ import numpy as np
 import glymur
 
 
+# The Python XMP Toolkit may be used for XMP UUIDs, but only if available and
+# if the version is at least 2.0.0.
+try:
+    import libxmp
+    if hasattr(libxmp, 'version') and re.match('[2-9].\d*.\d*', libxmp.version.VERSION):
+        from libxmp import XMPMeta
+        HAS_PYTHON_XMP_TOOLKIT = True
+    else:
+        HAS_PYTHON_XMP_TOOLKIT = False
+except ImportError:
+    HAS_PYTHON_XMP_TOOLKIT = False
+
 # Need to know of the libopenjp2 version is the official 2.0.0 release and NOT
 # the 2.0+ development version.
 OPENJP2_IS_V2_OFFICIAL = False

glymur/test/test_jp2box_uuid.py

@@ -35,7 +35,9 @@ if sys.hexversion <= 0x03030000:
 else:
     from unittest.mock import patch
 
-from libxmp import XMPMeta
+from .fixtures import HAS_PYTHON_XMP_TOOLKIT, OPJ_DATA_ROOT
+if HAS_PYTHON_XMP_TOOLKIT:
+    from libxmp import XMPMeta
 
 import glymur
 from glymur import Jp2k
@@ -66,9 +68,13 @@ class TestUUIDXMP(unittest.TestCase):
             actual_ids = [b.box_id for b in jp2.box]
             self.assertEqual(actual_ids, expected_ids)
 
-            # The data should be an XMP packet, which gets interpreted as
-            # an ElementTree.
-            self.assertTrue(isinstance(jp2.box[-1].data, XMPMeta))
+            # The data should be an XMP packet
+            if HAS_PYTHON_XMP_TOOLKIT:
+                # when python xmp toolkit is available.
+                self.assertTrue(isinstance(jp2.box[-1].data, XMPMeta))
+            else:
+                # when python xmp toolkit is not available.
+                self.assertTrue(isinstance(jp2.box[-1].data, str))
 
 class TestUUIDExif(unittest.TestCase):
     """Tests for UUIDs of Exif type."""

glymur/test/test_jp2k.py

@@ -30,12 +30,13 @@ import warnings
 import numpy as np
 import pkg_resources
 
-import libxmp
-
 import glymur
 from glymur import Jp2k
 
-from .fixtures import OPENJP2_IS_V2_OFFICIAL
+from .fixtures import HAS_PYTHON_XMP_TOOLKIT, OPENJP2_IS_V2_OFFICIAL
+if HAS_PYTHON_XMP_TOOLKIT:
+    import libxmp
+
 from .fixtures import OPJ_DATA_ROOT, opj_data_file
 
 
@@ -361,6 +362,8 @@ class TestJp2k(unittest.TestCase):
             self.assertEqual(ET.tostring(jp2k.box[3].xml.getroot()),
                              b'<test>this is a test</test>')
 
+    @unittest.skipIf(not HAS_PYTHON_XMP_TOOLKIT, 
+                     "Requires Python XMP Toolkit >= 2.0")
     def test_xmp_attribute(self):
         """Verify the XMP packet in the shipping example file can be read."""
         j = Jp2k(self.jp2file)