Working python FFI example/test

FFI-tests/ffi_test.py

@@ -17,7 +17,6 @@ small_image3_path = "test_images/sample_03_small.jpg".encode(encoding="utf-8")
 test_images=[large_image1_path, medium_image1_path, small_image1_path,large_image2_path, medium_image2_path, small_image2_path,large_image3_path, medium_image3_path, small_image3_path]
 
 def unsigned64(number):
-	#return c_ulonglong(number).value
 	return c_ulonglong(number).value
 
 print("starting ffi test")
@@ -25,6 +24,11 @@ print("starting ffi test")
 # Load the shared library
 lib = cdll.LoadLibrary("libpihash.so")
 
+# Setting the ctypes return type references for the foreign functions
+lib.ext_get_ahash.restype = c_ulonglong
+lib.ext_get_dhash.restype = c_ulonglong
+lib.ext_get_phash.restype = c_ulonglong
+
 #initialize the library
 lib.init()
 
@@ -34,9 +38,9 @@ lib.init()
 
 for image in test_images:
     print("Requesting hashes for: %s"% image)
-    print("ahash: %i"% lib.ext_get_ahash(image))
-    print("dhash: %i"% lib.ext_get_dhash(image))
-    print("phash: %i"% lib.ext_get_phash(image))
+    print("ahash: %i"% unsigned64(lib.ext_get_ahash(image)))
+    print("dhash: %i"% unsigned64(lib.ext_get_dhash(image)))
+    print("phash: %i"% unsigned64(lib.ext_get_phash(image)))
 
 # Do cleanup
 #lib.teardown()