[PATCH KVM-AUTOTEST 2/2] Convert images to JPEG using PIL instead of an external program

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This is faster since we don't need to fork/exec/wait for an external
program each time.

Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
 client/tests/kvm/kvm_guest_wizard.py |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/client/tests/kvm/kvm_guest_wizard.py b/client/tests/kvm/kvm_guest_wizard.py
index 73b830e..f9e5476 100644
--- a/client/tests/kvm/kvm_guest_wizard.py
+++ b/client/tests/kvm/kvm_guest_wizard.py
@@ -1,6 +1,7 @@
 import os, time, md5, re, shutil, logging
 from autotest_lib.client.common_lib import utils, error
 import kvm_utils, ppm_utils, kvm_subprocess
+import PIL.Image
 
 """
 Utilities to perform automatic guest installation using step files.
@@ -110,9 +111,8 @@ def barrier_2(vm, words, params, debug_dir, data_scrdump_filename,
             history_scrdump_filename = os.path.join(history_dir,
                     "scrdump-step_%s-%s.jpg" % (current_step_num,
                                                 time.strftime("%Y%m%d-%H%M%S")))
-            kvm_subprocess.run_fg("convert -quality 30 %s %s" %
-                                  (scrdump_filename, history_scrdump_filename),
-                                  logging.debug, "(convert) ", timeout=30)
+            image = PIL.Image.open(scrdump_filename)
+            image.save(history_scrdump_filename, format = 'JPEG', quality = 30)
 
         # Compare md5sum of barrier region with the expected md5sum
         calced_md5sum = ppm_utils.get_region_md5sum(w, h, data, x1, y1, dx, dy,
-- 
1.6.3.3

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