Python: add ability to getattribute of int64 and uint64 data

src/cmake/testing.cmake

@@ -215,6 +215,7 @@ macro (oiio_add_all_tests)
             python-colorconfig
             python-deep 
             python-imagebuf
+            python-imagecache
             python-imageoutput
             python-imagespec
             python-paramlist

src/python/py_oiio.h

@@ -136,6 +136,7 @@ template<> struct PyTypeForCType<unsigned short> { typedef py::int_ type; };
 template<> struct PyTypeForCType<char> { typedef py::int_ type; };
 template<> struct PyTypeForCType<unsigned char> { typedef py::int_ type; };
 template<> struct PyTypeForCType<int64_t> { typedef py::int_ type; };
+template<> struct PyTypeForCType<uint64_t> { typedef py::int_ type; };
 template<> struct PyTypeForCType<float> { typedef py::float_ type; };
 template<> struct PyTypeForCType<half> { typedef py::float_ type; };
 template<> struct PyTypeForCType<double> { typedef py::float_ type; };
@@ -536,6 +537,10 @@ getattribute_typed(const T& obj, const std::string& name,
         return C_to_val_or_tuple((const half*)data, type);
     if (type.basetype == TypeDesc::STRING)
         return C_to_val_or_tuple((const char**)data, type);
+    if (type.basetype == TypeDesc::INT64)
+        return C_to_val_or_tuple((const int64_t*)data, type);
+    if (type.basetype == TypeDesc::UINT64)
+        return C_to_val_or_tuple((const uint64_t*)data, type);
     return py::none();
 }
 

testsuite/python-imagecache/ref/out.txt

@@ -0,0 +1,6 @@
+stat:cache_memory_used 0
+stat:image_size 4036864
+total_files 2
+all_filenames ('../common/grid.tif', '../common/tahoe-tiny.tif')
+
+Done.

testsuite/python-imagecache/run.py

@@ -0,0 +1,8 @@
+#!/usr/bin/env python 
+
+# Run the script 
+command += pythonbin + " src/test_imagecache.py > out.txt ;"
+
+# compare the outputs
+outputs = [ "out.txt" ]
+

testsuite/python-imagecache/src/test_imagecache.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+from __future__ import absolute_import
+import array
+import numpy
+import OpenImageIO as oiio
+
+
+
+######################################################################
+# main test starts here
+
+try:
+    ic = oiio.ImageCache()
+
+    # Force a file to be touched by the IC
+    ib = oiio.ImageBuf("../common/tahoe-tiny.tif")
+    ib = oiio.ImageBuf("../common/grid.tif")
+
+    print ("stat:cache_memory_used", ic.getattribute("stat:cache_memory_used", 'int64'))
+    print ("stat:image_size", ic.getattribute("stat:image_size", 'int64'))
+    total_files = ic.getattribute("total_files", 'int')
+    print ("total_files", ic.getattribute("total_files", 'int'))
+    print ("all_filenames", ic.getattribute("all_filenames", 'string[{}]'.format(total_files)))
+
+    print ("\nDone.")
+except Exception as detail:
+    print ("Unknown exception:", detail)
+