cputest: Avoid calling json_reformat in cpu-parse.sh

Various version of json_reformat use different number of spaces for
indenting. Let's use a simple python reformatter to gain full control
over the formatting for consistent results.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>

tests/cputestdata/cpu-parse.sh

@@ -42,7 +42,7 @@ json()
     while read; do
         $first || echo
         first=false
-        json_reformat <<<"$REPLY" | tr -s '\n'
+        $(dirname $0)/cpu-reformat.py <<<"$REPLY"
     done
 }
 

tests/cputestdata/cpu-reformat.py

+#!/usr/bin/env python2
+
+import sys
+import json
+
+dec = json.JSONDecoder()
+data, pos = dec.raw_decode(sys.stdin.read())
+json.dump(data, sys.stdout, indent = 2, separators = (',', ': '))
+print