# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2018-10-12 15:25:02
# Node ID 4b7eb862692eb29b7997780ff1e78877e0cd839c
# Parent  31dfa7dac4c94f7a5de7580958c70b1391afe446

py3: encode json output to bytes and use write()

Differential Revision: https://phab.mercurial-scm.org/D5007

diff --git a/mercurial/statprof.py b/mercurial/statprof.py
--- a/mercurial/statprof.py
+++ b/mercurial/statprof.py
@@ -763,7 +763,11 @@ def write_to_json(data, fp):
 
         samples.append((sample.time, stack))
 
-    print(json.dumps(samples), file=fp)
+    data = json.dumps(samples)
+    if not isinstance(data, bytes):
+        data = data.encode('utf-8')
+
+    fp.write(data)
 
 def write_to_chrome(data, fp, minthreshold=0.005, maxthreshold=0.999):
     samples = []