Fix chromium ranges output in v8 releases script.

Add space after commas for auto line break in spreadsheets.
Add default empty strings to avoid undefined values in spreadsheets.

BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/233343002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20671 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/push-to-trunk/releases.py

@@ -106,7 +106,7 @@ def BuildRevisionRanges(cr_releases):
     range_lists.setdefault(cr_releases[-1][1], []).append(cr_releases[-1][0])
 
   # Stringify and comma-separate the range lists.
-  return dict((rev, ",".join(ran)) for rev, ran in range_lists.iteritems())
+  return dict((rev, ", ".join(ran)) for rev, ran in range_lists.iteritems())
 
 
 def MatchSafe(match):
@@ -166,6 +166,8 @@ class RetrieveV8Releases(Step):
       "version": version,
       # Merged patches if available in the form 'r1234, r2345'.
       "patches_merged": patches,
+      # Default for easier output formatting.
+      "chromium_revision": "",
     }, self["patch"]
 
   def GetReleasesFromBranch(self, branch):

tools/push-to-trunk/test_scripts.py

@@ -105,7 +105,7 @@ class ToplevelTest(unittest.TestCase):
     self.assertEquals({"10": "100", "9": "99:99", "3": "91:98"},
                       B([["100", "10"], ["99", "9"], ["91", "3"]]))
     self.assertEquals({"13": "101", "12": "100:100", "9": "94:97",
-                       "3": "91:93,98:99"},
+                       "3": "91:93, 98:99"},
                       B([["101", "13"], ["100", "12"], ["98", "3"],
                          ["94", "9"], ["91", "3"]]))
 
@@ -1245,9 +1245,9 @@ LOG=N
       {"bleeding_edge": "", "patches_merged": "", "version": "3.22.3",
        "chromium_revision": "4567", "branch": "trunk", "revision": "345"},
       {"patches_merged": "", "bleeding_edge": "", "version": "3.21.2",
-       "branch": "3.21", "revision": "123"},
+       "chromium_revision": "", "branch": "3.21", "revision": "123"},
       {"patches_merged": "12", "bleeding_edge": "", "version": "3.3.1.1",
-       "branch": "3.3", "revision": "234"}
+       "chromium_revision": "", "branch": "3.3", "revision": "234"}
     ]
     self.assertEquals(expected_json, json.loads(FileToText(json_output)))