qemu-img: use subprocess instead of os.popen

1 files changed, 2 insertions, 1 deletions

diff --git a/spice2 b/spice2
index e05ec07..b3af347 100755
--- a/spice2
+++ b/spice2
@@ -274,7 +274,8 @@ def get_temp_name(prefix, postfix):
 
 def create_qcow_with_backing_file(target_base, backing_file, erase_at_exit):
     filename = get_temp_name(target_base, '.qcow2')
-    os.system('qemu-img create -f qcow2 -o backing_file="%s" %s' % (backing_file, filename))
+    subprocess.call(['qemu-img', 'create', '-f', 'qcow2', '-o', 'backing_file=%s' % backing_file,
+                    filename])
     if erase_at_exit:
         temp_files.append(filename)
     return filename