upgrade python 2.4.3 to 2.5.5 in Centos 5.5 or 5.6

http://www.python.org/ftp/python/2.5.5/Python-2.5.5.tar.bz2

tar jxf Python-2.5.5.tar.bz2
cd Python-2.5.5
./configure
make
make test
make install

"SyntaxError: invalid syntax" with python 2.4

在python 2.4 使用try-except-finally 時出現(如下), 是因為要到python 2.5 時才完全支援try-except-finally

File "try-except.py", line 13
    finally:
          ^
SyntaxError: invalid syntax

in python 2.4 可以改用

try:
    try:
    except:
finally:

Upgrade CentOS 5.5 to 5.6

yum clean all
yum update glibc\*
yum update yum\* rpm\* pyth\*
yum clean all
yum update mkinitrd nash
yum update selinux\*
yum update
shutdown -r now

Reference:
[] http://wiki.centos.org/zh-tw/Manuals/ReleaseNotes/CentOS5.6