From: Michael Atambo <mikeat4999@gmail.com>
Date: Fri, 24 Jan 2014 11:04:00 +0000 (+0300)
Subject: This is a fix to check  the argument to RequestHandler.write()
X-Git-Tag: v4.0.0b1~136^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e442a6dcdc52002481fa421a9c7768eada75dc03;p=thirdparty%2Ftornado.git

This is a fix to check  the argument to RequestHandler.write()
is one of the accepted types: dict, bytes or unicode and raise a TypeError otherwise
---

diff --git a/tornado/web.py b/tornado/web.py
index b22b11fe6..d3f260bdb 100644
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -604,6 +604,8 @@ class RequestHandler(object):
             raise RuntimeError("Cannot write() after finish().  May be caused "
                                "by using async operations without the "
                                "@asynchronous decorator.")
+        if not isinstance(chunk, (bytes_type, unicode_type, dict)):
+            raise TypeError("write() only accepts bytes, unicode, and dict objects")
         if isinstance(chunk, dict):
             chunk = escape.json_encode(chunk)
             self.set_header("Content-Type", "application/json; charset=UTF-8")