Fix compatibility for earlier versions of Python (than 2.3), which
doesn't have UserDict.DictMixin.
diff --git a/Lib/bsddb/dbobj.py b/Lib/bsddb/dbobj.py
index f274d56..889e554 100644
--- a/Lib/bsddb/dbobj.py
+++ b/Lib/bsddb/dbobj.py
@@ -16,7 +16,12 @@
#
import db
-from UserDict import DictMixin
+
+try:
+ from UserDict import DictMixin
+except ImportError:
+ # DictMixin is new in Python 2.3
+ class DictMixin: pass
class DBEnv:
def __init__(self, *args, **kwargs):
diff --git a/Lib/bsddb/dbshelve.py b/Lib/bsddb/dbshelve.py
index 34dc607..efaa003 100644
--- a/Lib/bsddb/dbshelve.py
+++ b/Lib/bsddb/dbshelve.py
@@ -30,7 +30,11 @@
#------------------------------------------------------------------------
import cPickle
-from UserDict import DictMixin
+try:
+ from UserDict import DictMixin
+except ImportError:
+ # DictMixin is new in Python 2.3
+ class DictMixin: pass
try:
# For Python 2.3
from bsddb import db
@@ -77,8 +81,7 @@
#---------------------------------------------------------------------------
class DBShelf(DictMixin):
- """
- A shelf to hold pickled objects, built upon a bsddb DB object. It
+ """A shelf to hold pickled objects, built upon a bsddb DB object. It
automatically pickles/unpickles data objects going to/from the DB.
"""
def __init__(self, dbenv=None):
@@ -91,7 +94,9 @@
def __getattr__(self, name):
- """Many methods we can just pass through to the DB object. (See below)"""
+ """Many methods we can just pass through to the DB object.
+ (See below)
+ """
return getattr(self.db, name)