Need to infer the location of openjp2 when not found by ctypes. #90

glymur/lib/config.py

@@ -104,6 +104,12 @@ def load_openjp2(libopenjp2_path):
         # No help from the config file, try to find it ourselves.
         libopenjp2_path = find_library('openjp2')
 
+    if libopenjp2_path is None:
+        if platform.system() == 'Darwin':
+            path = '/opt/local/lib/libopenjp2.dylib'
+            if os.path.exists(path):
+                libopenjp2_path = path
+
     if libopenjp2_path is None:
         return None