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-rw-r--r--msgpack/__init__.py12
1 files changed, 10 insertions, 2 deletions
diff --git a/msgpack/__init__.py b/msgpack/__init__.py
index 0bfe6fe..77f6b81 100644
--- a/msgpack/__init__.py
+++ b/msgpack/__init__.py
@@ -1,8 +1,16 @@
# coding: utf-8
from msgpack._version import version
from msgpack.exceptions import *
-from msgpack._packer import pack, packb, Packer
-from msgpack._unpacker import unpack, unpackb, Unpacker
+
+import os
+if os.environ.get('MSGPACK_PUREPYTHON'):
+ from msgpack.fallback import pack, packb, Packer, unpack, unpackb, Unpacker
+else:
+ try:
+ from msgpack._packer import pack, packb, Packer
+ from msgpack._unpacker import unpack, unpackb, Unpacker
+ except ImportError:
+ from msgpack.fallback import pack, packb, Packer, unpack, unpackb, Unpacker
# alias for compatibility to simplejson/marshal/pickle.
load = unpack