diff --git a/test_conformance/generate_spirv_offline.py b/test_conformance/generate_spirv_offline.py
old mode 100644
new mode 100755
index ccc11f81..dd37af5a
--- a/test_conformance/generate_spirv_offline.py
+++ b/test_conformance/generate_spirv_offline.py
@@ -1,25 +1,26 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
 import sys
 import os
-import platform
 import re
-import string
-import shutil
 import traceback
 
-if len(sys.argv)<2:
-    print 'Usage: "generate_spirv_offline.py <input> <32|64>"'
+if len(sys.argv) != 3:
+    print('Usage: "generate_spirv_offline.py <compilation_cache_dir> <32|64>"')
     exit(1)
 
-input_dir = sys.argv[1]
+compilation_cache_dir = sys.argv[1]
 arch = sys.argv[2]
 
 def generate_spirv():
-    print "generating spirv"
+    print("Generating SPIR-V files")
     ocl_version = '12';
     build_options = ''
     
-    if os.path.exists(input_dir):
-        for root, dirs, files in os.walk(input_dir):
+    if os.path.exists(compilation_cache_dir):
+        for root, dirs, files in os.walk(compilation_cache_dir):
             for file in files:
                 if file.endswith('.cl'):
                     options_file_name = file[:-2] + "options"
@@ -30,12 +31,18 @@ def generate_spirv():
                             if re.search("-cl-std=CL2.0", line):
                                 ocl_version = '20'
                         build_options = re.sub("-cl-std=CL2.0", "", line)
-                        print build_options
-                    input_string = os.path.join(root, file)
-                    output_string = os.path.join(root, file[:-2])
+                        print(build_options)
+                    source_filename = os.path.join(root, file)
+                    output_filename = os.path.join(root, file[:-2]) + "spv" + arch
 
-                    command_line = ".\\build_script_spirv.py " + input_string + " " + output_string + "spv" + arch + " " + arch + " spir_v " + ocl_version + " \"" + build_options + " \""
-                    print command_line
+                    command_line = (".\\build_script_spirv.py" +
+                                    " " + source_filename +
+                                    " " + output_filename +
+                                    " " + arch +
+                                    " spir_v" +
+                                    " " + ocl_version +
+                                    '"' + build_options + '"')
+                    print(command_line)
                     os.system(command_line)
     return 0