Add support for Python 3.2:

- Move ``_pickle.c`` -> ``_pickle_33.c``.

- Clone Python 3.2.3's ``_pickle.c`` -> ``_pickle_32.c`` and apply the
  same patch.

- Choose between them at build time based on ``sys.version_info``.

- Disable some tests of 3.3-only features.

CHANGES.txt

@@ -4,6 +4,17 @@ CHANGES
 0.1.0 (unreleased)
 ------------------
 
+- Add support for Python 3.2:
+
+  - Move ``_pickle.c`` -> ``_pickle_33.c``.
+
+  - Clone Python 3.2.3's ``_pickle.c`` -> ``_pickle_32.c`` and apply the
+    same patch.
+
+  - Choose between them at build time based on ``sys.version_info``.
+
+  - Disable some tests of 3.3-only features.
+
 - Initial release of Python 3.3's pickle with the patches of Python Issue
   6784[1] applied.
 

setup.py

@@ -23,6 +23,11 @@
           + '\n\n' +
           open(os.path.join(here, 'CHANGES.txt')).read())
 
+if sys.version_info[:2] == (3, 2):
+    EXT = 'src/zodbpickle/_pickle_32.c'
+else:
+    EXT = 'src/zodbpickle/_pickle_33.c'
+
 setup(
     name='zodbpickle',
     version='0.1.0',
@@ -38,6 +43,7 @@
         'License :: OSI Approved :: Python Software Foundation License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.2',
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: Implementation :: CPython',
         'Framework :: ZODB',
@@ -51,7 +57,7 @@
     package_dir = {'':'src'},
     ext_modules = [
         Extension(name='zodbpickle._pickle',
-                  sources=['src/zodbpickle/_pickle.c'])
+                  sources=[EXT])
         ],
     extras_require = {
         'test': (),