Use tornado wsgi server as werkzeug crashes on Internet Explorer

libs/tornado/util.py

@@ -0,0 +1,47 @@
+"""Miscellaneous utility functions."""
+
+class ObjectDict(dict):
+    """Makes a dictionary behave like an object."""
+    def __getattr__(self, name):
+        try:
+            return self[name]
+        except KeyError:
+            raise AttributeError(name)
+
+    def __setattr__(self, name, value):
+        self[name] = value
+
+
+def import_object(name):
+    """Imports an object by name.
+
+    import_object('x.y.z') is equivalent to 'from x.y import z'.
+
+    >>> import tornado.escape
+    >>> import_object('tornado.escape') is tornado.escape
+    True
+    >>> import_object('tornado.escape.utf8') is tornado.escape.utf8
+    True
+    """
+    parts = name.split('.')
+    obj = __import__('.'.join(parts[:-1]), None, None, [parts[-1]], 0)
+    return getattr(obj, parts[-1])
+
+# Fake byte literal support:  In python 2.6+, you can say b"foo" to get
+# a byte literal (str in 2.x, bytes in 3.x).  There's no way to do this
+# in a way that supports 2.5, though, so we need a function wrapper
+# to convert our string literals.  b() should only be applied to literal
+# latin1 strings.  Once we drop support for 2.5, we can remove this function
+# and just use byte literals.
+if str is unicode:
+    def b(s):
+        return s.encode('latin1')
+    bytes_type = bytes
+else:
+    def b(s):
+        return s
+    bytes_type = str
+
+def doctests():
+    import doctest
+    return doctest.DocTestSuite()