系統:SUSE Linux 11

Python自帶版本：2.6.8

最近更新Python版本到2.7.15，遇到一些問題，記錄下來。

安裝Python前先安裝zlib

如果你的電腦能連網下載可用如下命令

wget http://zlib.net/zlib-1.2.11.tar.gz

解壓並安裝

tar -xvf zlib-1.2.11.tar.gz
cd zlib-1.2.11
./configure
make
make install

下載解壓安裝Python

#!/bin/bash
# Install Python 2.7.12 alternatively
zypper install -t pattern sdk_c_c++ -y
zypper install readline-devel openssl-devel gmp-devel ncurses-devel gdbm-devel zlib-devel expat-devel libGL-devel tk tix gcc-c++ libX11-devel glibc-devel bzip2 tar tcl-devel tk-devel pkgconfig tix-devel bzip2-devel sqlite-devel autoconf db4-devel libffi-devel valgrind-devel -y

mkdir Download
cd Download
wget https://www.python.org/ftp/python/2.7.15/Python-2.7.15.tgz
tar xvfz Python-2.7.15.tgz
cd Python-2.7.15
./configure --prefix=/opt/python2.7 --enable-shared
make
make altinstall
echo "/opt/python2.7/lib" >> /etc/ld.so.conf.d/opt-python2.7.conf
ldconfig
 

備份原有的老版本python

mv /usr/bin/python /usr/bin/python2.6.8

建立軟連結指向

ln -s /opt/python2.7/bin/python2.7  /usr/bin/python

FAQ

提示readline找不到，報錯資訊

Python 2.7.15 (default, May 29 2018, 13:09:02)
[GCC 4.3.4 [gcc-4_3-branch revision 152973]] on linux2
Type "help", "copyright", "credits" or "license" for more information.
Traceback (most recent call last):
  File "/etc/pythonstart", line 7, in <module>
    import readline
ImportError: No module named readline
 

安裝setuptools、pip、readline

unzip setuptools-40.2.0.zip -d /root/Download
cd setuptools-40.2.0
python setup.py install

tar -xzvf pip-18.0.tar.gz
cd pip-18.0
python setup.py install

tar -xzvf readline-6.2.4.1.tgz
cd readline-6.2.4.1
python setup.py install