From f4bfd65ff2bfce77a6953281c037ca8e516b7648 Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Thu, 20 Dec 2012 13:13:24 +0100
Subject: Correct JSON writing (Closes #596)

---
 youtube_dl/utils.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'youtube_dl/utils.py')

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 25b67db06..4e64f327a 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -3,6 +3,7 @@
 
 import gzip
 import io
+import json
 import locale
 import os
 import re
@@ -175,6 +176,18 @@ else:
         assert type(s) == type(u'')
         print(s)
 
+# In Python 2.x, json.dump expects a bytestream.
+# In Python 3.x, it writes to a character stream
+if sys.version_info < (3,0):
+    def write_json_file(obj, fn):
+        with open(fn, 'wb') as f:
+            json.dump(obj, f)
+else:
+    def write_json_file(obj, fn):
+        with open(fn, 'w', encoding='utf-8') as f:
+            json.dump(obj, f)
+
+
 def htmlentity_transform(matchobj):
     """Transforms an HTML entity to a character.
 
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