First stab at a simple rebaseline script.

Review URL: https://codereview.appspot.com/6775045

git-svn-id: http://skia.googlecode.com/svn/trunk@6170 2bbb7eff-a529-9590-31e7-b0007b416f81

tools/rebaseline.py

@@ -0,0 +1,64 @@
+#!/usr/bin/python
+
+'''
+Copyright 2012 Google Inc.
+
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file.
+'''
+
+'''
+Rebaselines a single GM test, on all bots and all configurations.
+Must be run from an SVN checkout of the gm-expected directory.
+'''
+
+import os, subprocess, sys, tempfile
+
+pairs = [ 
+   ['base-shuttle-win7-intel-float',
+    'Skia_Shuttle_Win7_Intel_Float_Release_32'],
+#    ['base-shuttle-win7-intel-angle',
+#     'Skia_Shuttle_Win7_Intel_Float_ANGLE_Release_32'],
+#    ['base-shuttle-win7-intel-directwrite',
+#     'Skia_Shuttle_Win7_Intel_Float_DirectWrite_Release_32'],
+   ['base-shuttle_ubuntu12_ati5770',
+    'Skia_Shuttle_Ubuntu12_ATI5770_Float_Release_64'],
+   ['base-macmini',
+    'Skia_Mac_Float_Release_32'],
+   ['base-macmini-lion-float',
+    'Skia_MacMiniLion_Float_Release_32'],
+   ['base-android-galaxy-nexus',
+    'Skia_GalaxyNexus_4-1_Float_Release_32'],
+   ['base-android-nexus-7',
+    'Skia_Nexus7_4-1_Float_Release_32'],
+   ['base-android-nexus-s',
+    'Skia_NexusS_4-1_Float_Release_32'],
+   ['base-android-xoom',
+    'Skia_Xoom_4-1_Float_Release_32'],
+]
+
+if len(sys.argv) != 2:
+    print 'Usage:  ' + os.path.basename(sys.argv[0]) + ' <testname>'
+    exit(1)
+
+testname = sys.argv[1]
+testtypes = [ '4444', '565', '8888', 'gpu', 'pdf' ]
+
+for pair in pairs:
+    print pair[0] + ':'
+    for testtype in testtypes:
+        infilename = testname + '_' + testtype + '.png'
+        print infilename
+
+        url = 'http://skia-autogen.googlecode.com/svn/gm-actual/' + pair[0] + '/' + pair[1] + '/' + pair[0] + '/' + infilename
+        cmd = [ 'curl', '--fail', '--silent', url ]
+        temp = tempfile.NamedTemporaryFile()
+        ret = subprocess.call(cmd, stdout=temp)
+        if ret != 0:
+            print 'Couldn\'t fetch ' + url
+            continue
+        outfilename = os.path.join(pair[0], infilename);
+        cmd = [ 'cp', temp.name, outfilename ]
+        subprocess.call(cmd);
+        cmd = [ 'svn', 'add', '--quiet', outfilename ]
+        subprocess.call(cmd)