1 files changed, 25 insertions, 3 deletions
diff --git a/msgpack/__init__.py b/msgpack/__init__.py
index 77f6b81..79107b6 100644
--- a/msgpack/__init__.py
+++ b/msgpack/__init__.py
@@ -2,15 +2,37 @@
 from msgpack._version import version
 from msgpack.exceptions import *
 
+from collections import namedtuple
+
+ExtType = namedtuple('ExtType', 'code data')
+
 import os
 if os.environ.get('MSGPACK_PUREPYTHON'):
-    from msgpack.fallback import pack, packb, Packer, unpack, unpackb, Unpacker
+    from msgpack.fallback import Packer, unpack, unpackb, Unpacker
 else:
     try:
-        from msgpack._packer import pack, packb, Packer
+        from msgpack._packer import Packer
         from msgpack._unpacker import unpack, unpackb, Unpacker
     except ImportError:
-        from msgpack.fallback import pack, packb, Packer, unpack, unpackb, Unpacker
+        from msgpack.fallback import Packer, unpack, unpackb, Unpacker
+
+
+def pack(o, stream, **kwargs):
+    """
+    Pack object `o` and write it to `stream`
+
+    See :class:`Packer` for options.
+    """
+    packer = Packer(**kwargs)
+    stream.write(packer.pack(o))
+
+def packb(o, **kwargs):
+    """
+    Pack object `o` and return packed bytes
+
+    See :class:`Packer` for options.
+    """
+    return Packer(**kwargs).pack(o)
 
 # alias for compatibility to simplejson/marshal/pickle.
 load = unpack