[PATCH 3 of 7] formatter: convert float value to json

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1410960061 -32400
#      Wed Sep 17 22:21:01 2014 +0900
# Node ID 0bddd08bf12d7e2c4ad8f7fa2bd8c87dcfaab0a4
# Parent  97d8605b1d91dad17643b7e34a740781c947a8af
formatter: convert float value to json

It will be used to encode ctx.data().

diff --git a/mercurial/formatter.py b/mercurial/formatter.py
--- a/mercurial/formatter.py
+++ b/mercurial/formatter.py
@@ -91,8 +91,8 @@ class pickleformatter(baseformatter):
 def _jsonifyobj(v):
     if isinstance(v, tuple):
         return '[' + ', '.join(_jsonifyobj(e) for e in v) + ']'
-    elif isinstance(v, int):
-        return '%d' % v
+    elif isinstance(v, (int, float)):
+        return str(v)
     else:
         return '"%s"' % encoding.jsonescape(v)