add ensure_ascii parameter to propagate it to json.dumps

Author: Savier

src/pythonjsonlogger/jsonlogger.py

@@ -60,11 +60,14 @@ def __init__(self, *args, **kwargs):
             that will be used to serialize the log record.
         :param prefix: an optional string prefix added at the beginning of
             the formatted string
+        :param json_indent: indent parameter for json.dumps
+        :param json_ensure_ascii: ensure_ascii parameter for json.dumps
         """
         self.json_default = kwargs.pop("json_default", None)
         self.json_encoder = kwargs.pop("json_encoder", None)
         self.json_serializer = kwargs.pop("json_serializer", json.dumps)
         self.json_indent = kwargs.pop("json_indent", None)
+        self.json_ensure_ascii = kwargs.pop("json_ensure_ascii", True)
         self.prefix = kwargs.pop("prefix", "")
         #super(JsonFormatter, self).__init__(*args, **kwargs)
         logging.Formatter.__init__(self, *args, **kwargs)
@@ -116,7 +119,8 @@ def jsonify_log_record(self, log_record):
         return self.json_serializer(log_record,
                                     default=self.json_default,
                                     cls=self.json_encoder,
-                                    indent=self.json_indent)
+                                    indent=self.json_indent,
+                                    ensure_ascii=self.json_ensure_ascii)
 
     def format(self, record):
         """Formats a log record and serializes to json"""

tests/tests.py

@@ -173,6 +173,22 @@ def testExcInfo(self):
         logJson = json.loads(self.buffer.getvalue())
         self.assertEqual(logJson.get("exc_info"), expected_value)
 
+    def testEnsureAsciiTrue(self):
+        fr = jsonlogger.JsonFormatter()
+        self.logHandler.setFormatter(fr)
+        self.logger.info('Привет')
+        msg = self.buffer.getvalue().split('"message": "', 1)[1].split('"', 1)[0]
+        self.assertEqual(msg, r"\u041f\u0440\u0438\u0432\u0435\u0442")
+
+    def testEnsureAsciiFalse(self):
+        fr = jsonlogger.JsonFormatter(json_ensure_ascii=False)
+        self.logHandler.setFormatter(fr)
+        self.logger.info('Привет')
+        msg = self.buffer.getvalue().split('"message": "', 1)[1].split('"', 1)[0]
+        self.assertEqual(msg, "Привет")
+
+
+
 if __name__ == '__main__':
     if len(sys.argv[1:]) > 0:
         if sys.argv[1] == 'xml':