compat module

1 files changed, 19 insertions, 4 deletions

diff --git a/tablib/compat.py b/tablib/compat.py
index 85ae9b4..09a56b6 100644
--- a/tablib/compat.py
+++ b/tablib/compat.py
@@ -10,9 +10,24 @@ Tablib compatiblity module.
 
 import sys
 
+is_py3 = (sys.version_info[0] > 2)
+
+
+
+try:
+    from collections import OrderedDict
+except ImportError:
+    from tablib.packages.ordereddict import OrderedDict
+
+
+if is_py3:
+    from io import BytesIO
+    import tablib.packages.xlwt3 as xlwt
+    from tablib.packages import markup3 as markup
+
+else:
+    from cStringIO import StringIO as BytesIO
+    import tablib.packages.xlwt as xlwt
+    from tablib.packages import markup
 
-from tablib.core import (
-    Databook, Dataset, detect, import_set,
-    InvalidDatasetType, InvalidDimensions, UnsupportedFormat
-)