Note (and test) Python 3.2 and PyPy as supported platforms.

CHANGES.txt

@@ -5,6 +5,9 @@
 4.0.2 (unreleased)
 ------------------
 
+- Added explicit support for Python 3.2 and PyPy.  Note that the
+  C extensions are not (yet) available on these platforms.
+
 - Python reference implementations now tested separately from the C
   verions on all platforms.
 

setup.py

@@ -123,8 +123,8 @@ setup(name='BTrees',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
-        #'Programming Language :: Python :: 3',
-        #'Programming Language :: Python :: 3.2',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.2',
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Database",

tox.ini

@@ -3,7 +3,7 @@ envlist =
 # Jython support pending 2.7 support, due 2012-07-15 or so.  See:
 # http://fwierzbicki.blogspot.com/2012/03/adconion-to-fund-jython-27.html
 #   py26,py27,py32,jython,pypy,coverage,docs
-    py26,py27,pypy,w_zodb,coverage,docs
+    py26,py27,pypy,py32,w_zodb,coverage,docs
 
 [testenv]
 deps =