sudo python setup.py install
running install
running bdist_egg
running egg_info
writing cx_Oracle.egg-info/PKG-INFO
writing top-level names to cx_Oracle.egg-info/top_level.txt
writing dependency_links to cx_Oracle.egg-info/dependency_links.txt
reading manifest file 'cx_Oracle.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
writing manifest file 'cx_Oracle.egg-info/SOURCES.txt'
installing library code to build/bdist.macosx-10.9-intel/egg
running install_lib
running build_ext
creating build/bdist.macosx-10.9-intel/egg
copying build/lib.macosx-10.9-intel-2.7-11g/cx_Oracle.so -> build/bdist.macosx-10.9-intel/egg
creating stub loader for cx_Oracle.so
byte-compiling build/bdist.macosx-10.9-intel/egg/cx_Oracle.py to cx_Oracle.pyc
creating build/bdist.macosx-10.9-intel/egg/EGG-INFO
copying cx_Oracle.egg-info/PKG-INFO -> build/bdist.macosx-10.9-intel/egg/EGG-INFO
copying cx_Oracle.egg-info/SOURCES.txt -> build/bdist.macosx-10.9-intel/egg/EGG-INFO
copying cx_Oracle.egg-info/dependency_links.txt -> build/bdist.macosx-10.9-intel/egg/EGG-INFO
copying cx_Oracle.egg-info/top_level.txt -> build/bdist.macosx-10.9-intel/egg/EGG-INFO
writing build/bdist.macosx-10.9-intel/egg/EGG-INFO/native_libs.txt
zip_safe flag not set; analyzing archive contents...
creating 'dist/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg' and adding 'build/bdist.macosx-10.9-intel/egg' to it
removing 'build/bdist.macosx-10.9-intel/egg' (and everything under it)
Processing cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg
removing '/Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg' (and everything under it)
creating /Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg
Extracting cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg to /Library/Python/2.7/site-packages
cx-Oracle 5.1.2 is already the active version in easy-install.pth

Installed /Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg
Processing dependencies for cx-Oracle==5.1.2
Finished processing dependencies for cx-Oracle==5.1.2
[dgiles@dhcp-uk-twvpn-1-vpnpool-10-175-12-153 cx_Oracle-5.1.2]$ cd ..
[dgiles@dhcp-uk-twvpn-1-vpnpool-10-175-12-153 Downloads]$ python oracle.py
Traceback (most recent call last):
  File "oracle.py", line 1, in
    import cx_Oracle
ImportError: dlopen(/Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg/cx_Oracle.so, 2): Symbol not found: _OCIAttrGet
  Referenced from: /Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg/cx_Oracle.so
  Expected in: flat namespace
 in /Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg/cx_Oracle.so
[dgiles@dhcp-uk-twvpn-1-vpnpool-10-175-12-153 Downloads]$ ls -l  /Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg/cx_Oracle.so
-rwxr-xr-x  1 root  wheel  287656 29 Mar 21:40 /Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg/cx_Oracle.so
[dgiles@dhcp-uk-twvpn-1-vpnpool-10-175-12-153 Downloads]$ file /Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg/cx_Oracle.so
/Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg/cx_Oracle.so: Mach-O universal binary with 2 architectures
/Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg/cx_Oracle.so (for architecture x86_64):	Mach-O 64-bit bundle x86_64
/Library/Python/2.7/site-packages/cx_Oracle-5.1.2-py2.7-macosx-10.9-intel.egg/cx_Oracle.so (for architecture i386):	Mach-O bundle i386