[fea] use ujson as default

setup.py

@@ -7,7 +7,7 @@
     from distutils.core import setup
 
 
-__version__ = '0.2.0pre'
+__version__ = '0.2.0'
 __author__ = 'Dmitry Orlov <[email protected]>'
 
 
@@ -27,5 +27,5 @@
     long_description=open('README.rst').read(),
     packages=['wsrpc', 'wsrpc.websocket',],
     package_data={ 'wsrpc': ['static/*'], },
-    install_requires = ['tornado'],
+    install_requires = ['tornado', 'ujson'],
 )

wsrpc/websocket/handler.py

@@ -32,10 +32,7 @@ def itervalues(d):
     def iteritems(d):
         return d.iteritems()
 
-try:
-    import ujson as json
-except ImportError:
-    import json
+import ujson as json
 
 class Lazy(object):
     def __init__(self,func):
@@ -198,7 +195,7 @@ def _send_ping(self):
             ioloop.call_later(self._KEEPALIVE_PING_TIMEOUT, self._send_ping)
 
     def _to_json(self, **kwargs):
-        return json.dumps(kwargs, default=repr, sort_keys=False, indent=None, ensure_ascii=False, encoding='utf-8')
+        return json.dumps(kwargs, ensure_ascii=False)
 
     def _data_load(self, data_string):
         try: