python 2.6 升级到 2.7
2017-03-02 12:13
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一开始有这个需求,是因为用 YaH3C 替代 iNode 进行校园网认证时,一直编译错误,提示找不到
Python 的某个模块,百度了一下,此模块是在 Python2.7 以上才有的,但是系统的自带的Python是2.6版本,难怪一直连不上网。于是,继续百度google,进行安装,后来又出现问题...在此开篇记录一下,权当备忘。
查看python的版本
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print?
#python -V
Python 2.6.6
1.下载Python-2.7.3
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#wget http://python.org/ftp/python/2.7.3/Python-2.7.3.tar.bz2
2.解压
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#tar -jxvf Python-2.7.3.tar.bz2
3.更改工作目录
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#cd Python-2.7.3
4.安装
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#./configure
#make all
#make install
#make clean
#make distclean
configure错误
碰到已下错误,很明显没GCC工具不在环境变量PATH里面,可以看出云服务器默认没有安装
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[root@Sven Python-3.3.2]# ./configure --prefix=/usr/local/python33
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking for --enable-universalsdk... no
checking for --with-universal-archs... 32-bit
checking MACHDEP... linux
checking for --without-gcc... no
checking for gcc... no
checking for cc... no
checking for cl.exe... no
configure: error: in `/usr/local/src/Python-3.3.2':
<span style="color:#FF0000;">configure: error: no acceptable C compiler found in $PATH</span>
See `config.log' for more details
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yum install gcc -y
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[root@Sven Python-3.3.2]# make
-bash: make: command not found
果断安装make搞定
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yum install make -y
然后就没有然后了,安装好了,把新安装的执行程序软链到环境变量就可以用了:
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ln -s /usr/local/python33/bin/python3 /usr/bin/python3
5.查看版本信息
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print?
#/usr/local/bin/python2.7 -V
6.建立软连接,使系统默认的 python指向 python2.7
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print?
#mv /usr/bin/python /usr/bin/python2.6.6
#ln -s /usr/local/bin/python2.7 /usr/bin/python
7.重新检验Python 版本
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print?
#python -V
8解决系统 Python 软链接指向 Python2.7 版本后,因为yum是不兼容 Python 2.7的,所以yum不能正常工作,我们需要指定 yum 的Python版本
[plain]
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copy
print?
#vi /usr/bin/yum
将文件头部的
#!/usr/bin/python
改成
#!/usr/bin/python2.6.6
http://www.zhangchun.org/the-centos6-3-upgrade-python-to-2-7-3-
这篇教程就到这里了,但是不久就突然发现输入法图标不见了,然后打字没有候选框!iBus 崩了!再次进行搜索,又是版本问题
iBus也是不支持Python2.7的啊!
于是。。。
9.配置iBus
分别用 vi 打开下面两个文件,找到 exec python 那一行,把exec python 改为 exec
python2.6 保存,退出。iBus在重启后就恢复正常了!是不是很开心?
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copy
print?
#vi /usr/bin/ibus-setup
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copy
print?
#vi/usr/libexec/ibus-ui-gtk
Python 的某个模块,百度了一下,此模块是在 Python2.7 以上才有的,但是系统的自带的Python是2.6版本,难怪一直连不上网。于是,继续百度google,进行安装,后来又出现问题...在此开篇记录一下,权当备忘。
查看python的版本
[plain]
view plain
copy
print?
#python -V
Python 2.6.6
1.下载Python-2.7.3
[plain]
view plain
copy
print?
#wget http://python.org/ftp/python/2.7.3/Python-2.7.3.tar.bz2
2.解压
[plain]
view plain
copy
print?
#tar -jxvf Python-2.7.3.tar.bz2
3.更改工作目录
[plain]
view plain
copy
print?
#cd Python-2.7.3
4.安装
[plain]
view plain
copy
print?
#./configure
#make all
#make install
#make clean
#make distclean
configure错误
碰到已下错误,很明显没GCC工具不在环境变量PATH里面,可以看出云服务器默认没有安装[plain]
view plain
copy
[root@Sven Python-3.3.2]# ./configure --prefix=/usr/local/python33
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking for --enable-universalsdk... no
checking for --with-universal-archs... 32-bit
checking MACHDEP... linux
checking for --without-gcc... no
checking for gcc... no
checking for cc... no
checking for cl.exe... no
configure: error: in `/usr/local/src/Python-3.3.2':
<span style="color:#FF0000;">configure: error: no acceptable C compiler found in $PATH</span>
See `config.log' for more details
解决方案
yum安装gcc,[plain]
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copy
yum install gcc -y
make错误
当我准备make 的时候发现这个也没有,囧[plain]
view plain
copy
[root@Sven Python-3.3.2]# make
-bash: make: command not found
果断安装make搞定
[plain]
view plain
copy
yum install make -y
然后就没有然后了,安装好了,把新安装的执行程序软链到环境变量就可以用了:
[plain]
view plain
copy
ln -s /usr/local/python33/bin/python3 /usr/bin/python3
5.查看版本信息
[plain]
view plain
copy
print?
#/usr/local/bin/python2.7 -V
6.建立软连接,使系统默认的 python指向 python2.7
[plain]
view plain
copy
print?
#mv /usr/bin/python /usr/bin/python2.6.6
#ln -s /usr/local/bin/python2.7 /usr/bin/python
7.重新检验Python 版本
[plain]
view plain
copy
print?
#python -V
8解决系统 Python 软链接指向 Python2.7 版本后,因为yum是不兼容 Python 2.7的,所以yum不能正常工作,我们需要指定 yum 的Python版本
[plain]
view plain
copy
print?
#vi /usr/bin/yum
将文件头部的
#!/usr/bin/python
改成
#!/usr/bin/python2.6.6
http://www.zhangchun.org/the-centos6-3-upgrade-python-to-2-7-3-
这篇教程就到这里了,但是不久就突然发现输入法图标不见了,然后打字没有候选框!iBus 崩了!再次进行搜索,又是版本问题
iBus也是不支持Python2.7的啊!
于是。。。
9.配置iBus
分别用 vi 打开下面两个文件,找到 exec python 那一行,把exec python 改为 exec
python2.6 保存,退出。iBus在重启后就恢复正常了!是不是很开心?
[plain]
view plain
copy
print?
#vi /usr/bin/ibus-setup
[plain]
view plain
copy
print?
#vi/usr/libexec/ibus-ui-gtk
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